www.undio.cz
64.29.17.1 Public Scan Open in urlscan Pro

Go To Rescan
Add Verdict Report

Submitted URL:
http://www.undio.cz/ 3mo old
Effective URL:
https://www.undio.cz/ 3mo old
Submission: On January 22 via api (January 22nd 2026, 12:14:34 pm UTC) from US — Scanned from DE

Summary HTTP 54 Redirects Behaviour Indicators

Summary

This website contacted 11 IPs in 1 countries across 8 domains to perform 54 HTTP transactions. The main IP is 64.29.17.1, located in United States and belongs to AMAZON-02 - Amazon.com, Inc., US. The main domain is www.undio.cz. 3mo old
TLS certificate: Issued by R12 on January 22nd 2026. Valid for: 3mo.

This is the only time www.undio.cz was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

	IP Address	AS Autonomous System
36	64.29.17.1 64.29.17.1	16509 (AMAZON-02) (AMAZON-02 - Amazon.com)
8	172.217.18.14 172.217.18.14	15169 (GOOGLE) (GOOGLE - Google LLC)
1	142.251.141.99 142.251.141.99	15169 (GOOGLE) (GOOGLE - Google LLC)
1 2	216.58.212.130 216.58.212.130	15169 (GOOGLE) (GOOGLE - Google LLC)
1	142.250.184.198 142.250.184.198	15169 (GOOGLE) (GOOGLE - Google LLC)
1	142.250.185.182 142.250.185.182	15169 (GOOGLE) (GOOGLE - Google LLC)
1	172.217.23.97 172.217.23.97	15169 (GOOGLE) (GOOGLE - Google LLC)
2	172.217.20.131 172.217.20.131	15169 (GOOGLE) (GOOGLE - Google LLC)
1	142.250.185.164 142.250.185.164	15169 (GOOGLE) (GOOGLE - Google LLC)
2	142.250.185.170 142.250.185.170	15169 (GOOGLE) (GOOGLE - Google LLC)
54	11

36 64.29.17.1 (United States)

ASN16509 (AMAZON-02 - Amazon.com, Inc., US)

www.undio.cz 3mo old	Domain lookup VirusTotal SecurityTrails crt.sh Domaintools

8 172.217.18.14 (United States)

ASN15169 (GOOGLE - Google LLC, US)
PTR: fra24s22-in-f14.1e100.net

www.youtube.com 56yr old	Domain lookup VirusTotal SecurityTrails crt.sh Domaintools

1 142.251.141.99 (United States)

ASN15169 (GOOGLE - Google LLC, US)
PTR: tzfraa-ai-in-f3.1e100.net

fonts.gstatic.com 9yr old	Domain lookup VirusTotal SecurityTrails crt.sh Domaintools

2 216.58.212.130 (United States) 1 redirects

ASN15169 (GOOGLE - Google LLC, US)
PTR: ams15s21-in-f2.1e100.net

googleads.g.doubleclick.net 56yr old	Domain lookup VirusTotal SecurityTrails crt.sh Domaintools

1 142.250.184.198 (United States)

ASN15169 (GOOGLE - Google LLC, US)
PTR: fra24s11-in-f6.1e100.net

static.doubleclick.net 9yr old	Domain lookup VirusTotal SecurityTrails crt.sh Domaintools

1 142.250.185.182 (United States)

ASN15169 (GOOGLE - Google LLC, US)
PTR: fra16s51-in-f22.1e100.net

i.ytimg.com 10yr old	Domain lookup VirusTotal SecurityTrails crt.sh Domaintools

1 172.217.23.97 (United States)

ASN15169 (GOOGLE - Google LLC, US)
PTR: mil04s23-in-f1.1e100.net

yt3.ggpht.com 9yr old	Domain lookup VirusTotal SecurityTrails crt.sh Domaintools

2 172.217.20.131 (United States)

ASN15169 (GOOGLE - Google LLC, US)
PTR: lcfraa-bo-in-f3.1e100.net

www.gstatic.com 9yr old	Domain lookup VirusTotal SecurityTrails crt.sh Domaintools

1 142.250.185.164 (United States)

ASN15169 (GOOGLE - Google LLC, US)
PTR: fra16s51-in-f4.1e100.net

www.google.com 56yr old	Domain lookup VirusTotal SecurityTrails crt.sh Domaintools

2 142.250.185.170 (United States)

ASN15169 (GOOGLE - Google LLC, US)
PTR: fra16s51-in-f10.1e100.net

jnn-pa.googleapis.com 4yr old	Domain lookup VirusTotal SecurityTrails crt.sh Domaintools

	Apex Domain Subdomains	Transfer
36	undio.cz www.undio.cz 3mo old	420 KB
8	youtube.com www.youtube.com — Cisco Umbrella Rank: 87 56yr old	931 KB
3	doubleclick.net 1 redirects googleads.g.doubleclick.net — Cisco Umbrella Rank: 66 56yr old static.doubleclick.net — Cisco Umbrella Rank: 269 9yr old	663 B
3	gstatic.com fonts.gstatic.com 9yr old www.gstatic.com 9yr old	55 KB
2	googleapis.com jnn-pa.googleapis.com — Cisco Umbrella Rank: 313 4yr old	312 B
1	google.com www.google.com — Cisco Umbrella Rank: 2 56yr old	22 KB
1	ggpht.com yt3.ggpht.com — Cisco Umbrella Rank: 291 9yr old	2 KB
1	ytimg.com i.ytimg.com — Cisco Umbrella Rank: 101 10yr old	36 KB
54	8

	Domain	Requested by
36	www.undio.cz	www.undio.cz
8	www.youtube.com	www.undio.cz www.youtube.com
2	jnn-pa.googleapis.com	www.youtube.com
2	www.gstatic.com	www.youtube.com www.gstatic.com
2	googleads.g.doubleclick.net	1 redirects www.youtube.com
1	www.google.com	www.youtube.com
1	yt3.ggpht.com	www.youtube.com
1	i.ytimg.com	www.youtube.com
1	static.doubleclick.net	www.youtube.com
1	fonts.gstatic.com	www.youtube.com
54	10

This site contains no links.

Subject Issuer	Validity	Valid
*.undio.cz R12	`2026-01-22` - `2026-04-22`	3mo	crt.sh
*.google.com WE2	`2025-12-29` - `2026-03-23`	3mo	crt.sh
*.gstatic.com WE2	`2025-12-29` - `2026-03-23`	3mo	crt.sh
*.doubleclick.net WE2	`2025-12-29` - `2026-03-23`	3mo	crt.sh
edgestatic.com WR2	`2025-12-29` - `2026-03-23`	3mo	crt.sh
*.googleusercontent.com WE2	`2025-12-29` - `2026-03-23`	3mo	crt.sh
upload.video.google.com WE2	`2025-12-29` - `2026-03-23`	3mo	crt.sh

This page contains 2 frames:

Primary Page: https://www.undio.cz/
Frame ID: 6CB3E1CE5EAD824E99C11351F3A75B37
Requests: 36 HTTP requests in this frame

Frame: https://www.youtube.com/embed/FC3y9llDXuM
Frame ID: D743A5A2F2BEE53A8A7B5228C7249059
Requests: 18 HTTP requests in this frame

Screenshot
Live screenshot

Full Image

Page Title

Správa financií

Page URL History Show full URLs

http://www.undio.cz/ HTTP 307
https://www.undio.cz/ Page URL

Detected technologies

YouTube (Video players) Expand

Overall confidence: 100%
Detected patterns

<(?:param|embed|iframe)[^>]+youtube(?:-nocookie)?\.com/(?:v|embed)
\.youtube\.com/

DoubleClick Floodlight (Advertising) Expand

Overall confidence: 100%
Detected patterns

\.doubleclick\.net

Page Statistics

54
Requests

98 %
HTTPS

0 %
IPv6

8
Domains

10
Subdomains

11
IPs

1
Countries

1466 kB
Transfer

5134 kB
Size

5
Cookies

0 Outgoing links

These are links going to different origins than the main page.

Page URL History

This captures the URL locations of the websites, including HTTP redirects and client-side redirects via JavaScript or Meta fields.

http://www.undio.cz/ HTTP 307
https://www.undio.cz/ Page URL

Redirected requests

There were HTTP redirect chains for the following requests:

Request Chain 41

https://googleads.g.doubleclick.net/pagead/id HTTP 302
https://googleads.g.doubleclick.net/pagead/id?slf_rd=1

54 HTTP transactions
1 data transactions

Method
Protocol Status Resource
Path Size
x-fer Time
Latency Type
MIME-Type IP
Location

GET
H2

200

Primary Request / Show response
www.undio.cz/
Redirect Chain

http://www.undio.cz/
https://www.undio.cz/

21 KB
5 KB

243ms
192ms

Document
text/html

64.29.17.1
Amazon.com

General

Check archive.org

Download Go to

Full URL

https://www.undio.cz/

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

64.29.17.1 , United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),

Reverse DNS

Software

Vercel / Next.js

Resource Hash

ac07e47649ae0ab2d5b9deab897f1e4fb2e7f6b30ece520ef9c803191a10a5ff

Security Headers

Name	Value
Strict-Transport-Security	max-age=63072000

Request headers

Upgrade-Insecure-Requests: 1
User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/144.0.0.0 Safari/537.36

Response headers

age: 0
cache-control: private, no-cache, no-store, max-age=0, must-revalidate
content-encoding: br
content-type: text/html; charset=utf-8
date: Thu, 22 Jan 2026 12:14:35 GMT
link: </_next/static/media/4cf2300e9c8272f7-s.p.woff2>; rel=preload; as="font"; crossorigin=""; type="font/woff2", </_next/static/media/93f479601ee12b01-s.p.woff2>; rel=preload; as="font"; crossorigin=""; type="font/woff2"
server: Vercel
strict-transport-security: max-age=63072000
vary: rsc, next-router-state-tree, next-router-prefetch, next-router-segment-prefetch
x-matched-path: /
x-powered-by: Next.js
x-user-lang: cz
x-vercel-cache: MISS
x-vercel-id: lhr1::iad1::5wj2p-1769084075376-fb84d6ba2574

Redirect headers

Location: https://www.undio.cz/
Non-Authoritative-Reason: HttpsUpgrades

GET
H2 200 4cf2300e9c8272f7-s.p.woff2
www.undio.cz/_next/static/media/ 28 KB
28 KB 26ms
25ms Font
font/woff2 64.29.17.1
Amazon.com

General

Check archive.org

Download Go to

Full URL

https://www.undio.cz/_next/static/media/4cf2300e9c8272f7-s.p.woff2

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

64.29.17.1 , United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),

Reverse DNS

Software

Vercel /

Resource Hash

a29f900a6d603e989449327956e7ac61ea3e6b26ca7426f64e7cccf2cd4aed37

Security Headers

Name	Value
Strict-Transport-Security	max-age=63072000

Request headers

User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/144.0.0.0 Safari/537.36
Origin: https://www.undio.cz
Referer: https://www.undio.cz/

Response headers

strict-transport-security: max-age=63072000
cache-control: public,max-age=31536000,immutable
x-vercel-cache: HIT
etag: "18bae71b1e1b2bb25321090a3b563103"
age: 957
x-matched-path: /_next/static/media/4cf2300e9c8272f7-s.p.woff2
accept-ranges: bytes
access-control-allow-origin: *
content-length: 28388
date: Thu, 22 Jan 2026 12:14:35 GMT
content-disposition: inline; filename="4cf2300e9c8272f7-s.p.woff2"
content-type: font/woff2
server: Vercel
last-modified: Thu, 22 Jan 2026 11:58:37 GMT
x-vercel-id: lhr1::5wj2p-1769084075561-1dc9939bdca6

GET
H2 200 93f479601ee12b01-s.p.woff2
www.undio.cz/_next/static/media/ 31 KB
31 KB 51ms
51ms Font
font/woff2 64.29.17.1
Amazon.com

General

Check archive.org

Download Go to

Full URL

https://www.undio.cz/_next/static/media/93f479601ee12b01-s.p.woff2

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

64.29.17.1 , United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),

Reverse DNS

Software

Vercel /

Resource Hash

b7ac144b394cbd81052d6397ec0c33397977b1d7e9bc095e744e652a378c6fb3

Security Headers

Name	Value
Strict-Transport-Security	max-age=63072000

Request headers

User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/144.0.0.0 Safari/537.36
Origin: https://www.undio.cz
Referer: https://www.undio.cz/

Response headers

strict-transport-security: max-age=63072000
cache-control: public,max-age=31536000,immutable
x-vercel-cache: HIT
etag: "da83d5f06d825c5ae65b7cca706cb312"
age: 957
x-matched-path: /_next/static/media/93f479601ee12b01-s.p.woff2
accept-ranges: bytes
access-control-allow-origin: *
content-length: 31288
date: Thu, 22 Jan 2026 12:14:35 GMT
content-disposition: inline; filename="93f479601ee12b01-s.p.woff2"
content-type: font/woff2
server: Vercel
last-modified: Thu, 22 Jan 2026 11:58:37 GMT
x-vercel-id: lhr1::5wj2p-1769084075586-a02403343e65

GET
H2 200 image
www.undio.cz/_next/ 11 KB
11 KB 62ms
62ms Image
image/webp 64.29.17.1
Amazon.com

General

Check archive.org

Download Go to Show image

Full URL

https://www.undio.cz/_next/image?url=%2Ftheme.png&w=1920&q=75&dpl=dpl_4mFKsHZhABG2jwqEjzGMpUQhHmXK

Requested by

Host: www.undio.cz
URL: https://www.undio.cz/

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

64.29.17.1 , United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),

Reverse DNS

Software

Vercel /

Resource Hash

be82c3410f23bcb7fb6f13dba74bea7d13dfacd63ab3771ad796e1061b70cd13

Security Headers

Name	Value
Content-Security-Policy	script-src 'none'; frame-src 'none'; sandbox;
Strict-Transport-Security	max-age=63072000

Request headers

User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/144.0.0.0 Safari/537.36
Referer: https://www.undio.cz/

Response headers

age: 695599
x-user-lang: cz
x-matched-path: /theme.png
date: Thu, 22 Jan 2026 12:14:35 GMT
content-disposition: attachment; filename="theme.webp"
content-type: image/webp
vary: Accept
last-modified: Wed, 14 Jan 2026 11:01:16 GMT
strict-transport-security: max-age=63072000
content-security-policy: script-src 'none'; frame-src 'none'; sandbox;
cache-control: public, max-age=0, must-revalidate
x-vercel-cache: HIT
access-control-allow-origin: *
content-length: 10882
server: Vercel
x-vercel-id: lhr1::mx4fg-1769084075576-b4a058ccfab6

GET
H2 200 a866c1c8e6261ae4.css
www.undio.cz/_next/static/css/ 119 KB
19 KB 51ms
50ms Stylesheet
text/css 64.29.17.1
Amazon.com

General

Check archive.org

Download Go to

Full URL

https://www.undio.cz/_next/static/css/a866c1c8e6261ae4.css?dpl=dpl_4mFKsHZhABG2jwqEjzGMpUQhHmXK

Requested by

Host: www.undio.cz
URL: https://www.undio.cz/

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

64.29.17.1 , United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),

Reverse DNS

Software

Vercel /

Resource Hash

f71fa02af775bff3f8e1f3a170fa6b732879d5400375a9f9ca223101a137c587

Security Headers

Name	Value
Strict-Transport-Security	max-age=63072000

Request headers

User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/144.0.0.0 Safari/537.36
Referer: https://www.undio.cz/

Response headers

content-encoding: br
etag: "2bd6af235126bd643e5349e8000051f5"
age: 957
x-matched-path: /_next/static/css/a866c1c8e6261ae4.css
date: Thu, 22 Jan 2026 12:14:35 GMT
content-disposition: inline; filename="a866c1c8e6261ae4.css"
content-type: text/css; charset=utf-8
last-modified: Thu, 22 Jan 2026 11:58:37 GMT
strict-transport-security: max-age=63072000
cache-control: public,max-age=31536000,immutable
x-vercel-cache: HIT
accept-ranges: bytes
access-control-allow-origin: *
content-length: 19068
server: Vercel
x-vercel-id: lhr1::rjbr6-1769084075577-b30560be4f0b

GET
H2 200 c9da7dc9b728c8ca.css
www.undio.cz/_next/static/css/ 2 KB
749 B 51ms
50ms Stylesheet
text/css 64.29.17.1
Amazon.com

General

Check archive.org

Download Go to

Full URL

https://www.undio.cz/_next/static/css/c9da7dc9b728c8ca.css?dpl=dpl_4mFKsHZhABG2jwqEjzGMpUQhHmXK

Requested by

Host: www.undio.cz
URL: https://www.undio.cz/

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

64.29.17.1 , United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),

Reverse DNS

Software

Vercel /

Resource Hash

e6b473e2f2a7f67b75510e2b788c31703e02b3e7a16666fb2b3a5f2115947fe8

Security Headers

Name	Value
Strict-Transport-Security	max-age=63072000

Request headers

User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/144.0.0.0 Safari/537.36
Referer: https://www.undio.cz/

Response headers

content-encoding: br
etag: "9bd0bcc47325137373bd64f3d48192e2"
age: 957
x-matched-path: /_next/static/css/c9da7dc9b728c8ca.css
date: Thu, 22 Jan 2026 12:14:35 GMT
content-disposition: inline; filename="c9da7dc9b728c8ca.css"
content-type: text/css; charset=utf-8
last-modified: Thu, 22 Jan 2026 11:58:37 GMT
strict-transport-security: max-age=63072000
cache-control: public,max-age=31536000,immutable
x-vercel-cache: HIT
accept-ranges: bytes
access-control-allow-origin: *
content-length: 586
server: Vercel
x-vercel-id: lhr1::lj8c2-1769084075576-757b2cd788b0

GET
H2 200 webpack-faa7d18ddd376807.js Show response
www.undio.cz/_next/static/chunks/ 4 KB
2 KB 28ms
28ms Script
application/javascript 64.29.17.1
Amazon.com

General

Check archive.org

Download Go to

Full URL

https://www.undio.cz/_next/static/chunks/webpack-faa7d18ddd376807.js?dpl=dpl_4mFKsHZhABG2jwqEjzGMpUQhHmXK

Requested by

Host: www.undio.cz
URL: https://www.undio.cz/

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

64.29.17.1 , United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),

Reverse DNS

Software

Vercel /

Resource Hash

09cc6a753513362ef24ee150efdc8e60073c50014d78d24a70d1fa1e6d844b39

Security Headers

Name	Value
Strict-Transport-Security	max-age=63072000

Request headers

User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/144.0.0.0 Safari/537.36
Referer: https://www.undio.cz/

Response headers

content-encoding: br
etag: "b3d7e47f93a253b73cd6be2769e2678a"
age: 957
x-matched-path: /_next/static/chunks/webpack-faa7d18ddd376807.js
date: Thu, 22 Jan 2026 12:14:35 GMT
content-disposition: inline; filename="webpack-faa7d18ddd376807.js"
content-type: application/javascript; charset=utf-8
last-modified: Thu, 22 Jan 2026 11:58:37 GMT
strict-transport-security: max-age=63072000
cache-control: public,max-age=31536000,immutable
x-vercel-cache: HIT
accept-ranges: bytes
access-control-allow-origin: *
content-length: 2055
server: Vercel
x-vercel-id: lhr1::5wj2p-1769084075604-c61298ccdd04

GET
H2 200 4bd1b696-1400c1b9494d4acb.js Show response
www.undio.cz/_next/static/chunks/ 194 KB
62 KB 40ms
30ms Script
application/javascript 64.29.17.1
Amazon.com

General

Check archive.org

Download Go to

Full URL

https://www.undio.cz/_next/static/chunks/4bd1b696-1400c1b9494d4acb.js?dpl=dpl_4mFKsHZhABG2jwqEjzGMpUQhHmXK

Requested by

Host: www.undio.cz
URL: https://www.undio.cz/

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

64.29.17.1 , United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),

Reverse DNS

Software

Vercel /

Resource Hash

3eb3e6a97784112532b3c4f8803b137c0ceabeb05fa38fe73875521cf9b4ae29

Security Headers

Name	Value
Strict-Transport-Security	max-age=63072000

Request headers

User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/144.0.0.0 Safari/537.36
Referer: https://www.undio.cz/

Response headers

content-encoding: br
etag: "b3e29d5e39cdbeb243757506d4d18fc3"
age: 957
x-matched-path: /_next/static/chunks/4bd1b696-1400c1b9494d4acb.js
date: Thu, 22 Jan 2026 12:14:35 GMT
content-disposition: inline; filename="4bd1b696-1400c1b9494d4acb.js"
content-type: application/javascript; charset=utf-8
last-modified: Thu, 22 Jan 2026 11:58:38 GMT
strict-transport-security: max-age=63072000
cache-control: public,max-age=31536000,immutable
x-vercel-cache: HIT
accept-ranges: bytes
access-control-allow-origin: *
content-length: 63696
server: Vercel
x-vercel-id: lhr1::5wj2p-1769084075612-de95f0febf09

GET
H2 200 3794-0f90f1cb3709e621.js Show response
www.undio.cz/_next/static/chunks/ 184 KB
50 KB 35ms
27ms Script
application/javascript 64.29.17.1
Amazon.com

General

Check archive.org

Download Go to

Full URL

https://www.undio.cz/_next/static/chunks/3794-0f90f1cb3709e621.js?dpl=dpl_4mFKsHZhABG2jwqEjzGMpUQhHmXK

Requested by

Host: www.undio.cz
URL: https://www.undio.cz/

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

64.29.17.1 , United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),

Reverse DNS

Software

Vercel /

Resource Hash

895cc41e17e99859394a52756b5c088b60d6752d05069b933859490723aa40b8

Security Headers

Name	Value
Strict-Transport-Security	max-age=63072000

Request headers

User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/144.0.0.0 Safari/537.36
Referer: https://www.undio.cz/

Response headers

content-encoding: br
etag: "37be75d7fd271ae875863e33ef34a6b9"
age: 957
x-matched-path: /_next/static/chunks/3794-0f90f1cb3709e621.js
date: Thu, 22 Jan 2026 12:14:35 GMT
content-disposition: inline; filename="3794-0f90f1cb3709e621.js"
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Protocol

Security

TLS 1.3, , AES_128_GCM

Server

64.29.17.1 , United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),

Reverse DNS

Software

Vercel /

Resource Hash

4b2757c6b6d660273022d83d1d6618f851e67b8331e08e54897990f39ddbe3b3

Security Headers

Name	Value
Strict-Transport-Security	max-age=63072000

Request headers

User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/144.0.0.0 Safari/537.36
Referer: https://www.undio.cz/

Response headers

content-encoding: br
etag: "5e3e4ffcbc3d8dd2d760e5ea17236819"
age: 957
x-matched-path: /_next/static/chunks/app/not-found-84d9d7c3881fb456.js
date: Thu, 22 Jan 2026 12:14:35 GMT
content-disposition: inline; filename="not-found-84d9d7c3881fb456.js"
content-type: application/javascript; charset=utf-8
last-modified: Thu, 22 Jan 2026 11:58:38 GMT
strict-transport-security: max-age=63072000
cache-control: public,max-age=31536000,immutable
x-vercel-cache: HIT
accept-ranges: bytes
access-control-allow-origin: *
content-length: 2709
server: Vercel
x-vercel-id: lhr1::rjbr6-1769084075623-1269a90ba92f

GET
H2 200 ba015fad6dcf6784-s.woff2
www.undio.cz/_next/static/media/ 15 KB
15 KB 37ms
33ms Font
font/woff2 64.29.17.1
Amazon.com

General

Check archive.org

Download Go to

Full URL

https://www.undio.cz/_next/static/media/ba015fad6dcf6784-s.woff2

Requested by

Host: www.undio.cz
URL: https://www.undio.cz/_next/static/css/c9da7dc9b728c8ca.css?dpl=dpl_4mFKsHZhABG2jwqEjzGMpUQhHmXK

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

64.29.17.1 , United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),

Reverse DNS

Software

Vercel /

Resource Hash

f7604a53a00250f66db4b47dd44327ce2a43f6edec850d5217bb80238819efdd

Security Headers

Name	Value
Strict-Transport-Security	max-age=63072000

Request headers

User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/144.0.0.0 Safari/537.36
Origin: https://www.undio.cz
Referer: https://www.undio.cz/_next/static/css/c9da7dc9b728c8ca.css?dpl=dpl_4mFKsHZhABG2jwqEjzGMpUQhHmXK

Response headers

strict-transport-security: max-age=63072000
cache-control: public,max-age=31536000,immutable
x-vercel-cache: HIT
etag: "8ea4f719af3312a055caf09f34c89a77"
age: 957
x-matched-path: /_next/static/media/ba015fad6dcf6784-s.woff2
accept-ranges: bytes
access-control-allow-origin: *
content-length: 15292
date: Thu, 22 Jan 2026 12:14:35 GMT
content-disposition: inline; filename="ba015fad6dcf6784-s.woff2"
content-type: font/woff2
server: Vercel
last-modified: Thu, 22 Jan 2026 11:58:38 GMT
x-vercel-id: lhr1::5wj2p-1769084075650-43d8104ccbe5

GET
H2 200 image
www.undio.cz/_next/ 11 KB
11 KB 62ms
59ms Image
image/webp 64.29.17.1
Amazon.com

General

Check archive.org

Download Go to Show image

Full URL

https://www.undio.cz/_next/image?url=%2Flogo_text.png&w=256&q=75&dpl=dpl_4mFKsHZhABG2jwqEjzGMpUQhHmXK

Requested by

Host: www.undio.cz
URL: https://www.undio.cz/

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

64.29.17.1 , United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),

Reverse DNS

Software

Vercel /

Resource Hash

60198d0dd4f89aa2e589f3a53c35bd21f4cd983cee387ff885355bc1567f2f02

Security Headers

Name	Value
Content-Security-Policy	script-src 'none'; frame-src 'none'; sandbox;
Strict-Transport-Security	max-age=63072000

Request headers

User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/144.0.0.0 Safari/537.36
Referer: https://www.undio.cz/

Response headers

age: 609835
x-user-lang: cz
x-matched-path: /logo_text.png
date: Thu, 22 Jan 2026 12:14:35 GMT
content-disposition: attachment; filename="logo_text.webp"
content-type: image/webp
vary: Accept
last-modified: Thu, 15 Jan 2026 10:50:40 GMT
strict-transport-security: max-age=63072000
content-security-policy: script-src 'none'; frame-src 'none'; sandbox;
cache-control: public, max-age=0, must-revalidate
x-vercel-cache: HIT
access-control-allow-origin: *
content-length: 10824
server: Vercel
x-vercel-id: lhr1::rjbr6-1769084075669-8cb0a1adaeb9

GET
H2 404 favicon.ico
www.undio.cz/ 24 KB
5 KB 132ms
131ms Other
text/html 64.29.17.1
Amazon.com

General

Check archive.org

Download Go to

Full URL

https://www.undio.cz/favicon.ico

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

64.29.17.1 , United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),

Reverse DNS

Software

Vercel / Next.js

Resource Hash

f318269ea79f79876ee3db264c10eb22e145c43712a12a132328dacdd38748ac

Security Headers

Name	Value
Strict-Transport-Security	max-age=63072000

Request headers

User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/144.0.0.0 Safari/537.36
Referer: https://www.undio.cz/

Response headers

strict-transport-security: max-age=63072000
link: </_next/static/media/4cf2300e9c8272f7-s.p.woff2>; rel=preload; as="font"; crossorigin=""; type="font/woff2", </_next/static/media/93f479601ee12b01-s.p.woff2>; rel=preload; as="font"; crossorigin=""; type="font/woff2"
cache-control: private, no-cache, no-store, max-age=0, must-revalidate
x-next-error-status: 404
content-encoding: br
x-vercel-cache: MISS
age: 0
x-matched-path: /_not-found
date: Thu, 22 Jan 2026 12:14:35 GMT
content-type: text/html; charset=utf-8
vary: rsc, next-router-state-tree, next-router-prefetch, next-router-segment-prefetch
server: Vercel
x-vercel-id: lhr1::iad1::mx4fg-1769084075872-3352a24d48e7
x-powered-by: Next.js

GET
H2 200 home
www.undio.cz/ 2 KB
0 168ms
167ms Fetch
text/x-component 64.29.17.1
Amazon.com

General

Check archive.org

Download Go to

Full URL

https://www.undio.cz/home?_rsc=vusbg

Requested by

Host: www.undio.cz
URL: https://www.undio.cz/_next/static/chunks/3794-0f90f1cb3709e621.js?dpl=dpl_4mFKsHZhABG2jwqEjzGMpUQhHmXK

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

64.29.17.1 , United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),

Reverse DNS

Software

Vercel /

Resource Hash

Security Headers

Name	Value
Strict-Transport-Security	max-age=63072000

Request headers

rsc: 1
Referer: https://www.undio.cz/
next-url: /
User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/144.0.0.0 Safari/537.36
x-deployment-id: dpl_4mFKsHZhABG2jwqEjzGMpUQhHmXK
next-router-state-tree: %5B%22%22%2C%7B%22children%22%3A%5B%22__PAGE__%22%2C%7B%7D%2Cnull%2Cnull%5D%7D%2Cnull%2Cnull%2Ctrue%5D

Response headers

strict-transport-security: max-age=63072000
cache-control: private, no-cache, no-store, max-age=0, must-revalidate
content-encoding: br
x-vercel-cache: MISS
age: 0
x-user-lang: cz
x-matched-path: /home.rsc
date: Thu, 22 Jan 2026 12:14:35 GMT
content-type: text/x-component
vary: rsc, next-router-state-tree, next-router-prefetch, next-router-segment-prefetch
server: Vercel
x-vercel-id: lhr1::iad1::rjbr6-1769084075927-f81b849b911b

GET
H2 200 feedback
www.undio.cz/ 264 B
0 151ms
149ms Fetch
text/x-component 64.29.17.1
Amazon.com

General

Check archive.org

Download Go to

Full URL

https://www.undio.cz/feedback?_rsc=1r34m

Requested by

Host: www.undio.cz
URL: https://www.undio.cz/_next/static/chunks/3794-0f90f1cb3709e621.js?dpl=dpl_4mFKsHZhABG2jwqEjzGMpUQhHmXK

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

64.29.17.1 , United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),

Reverse DNS

Software

Vercel /

Resource Hash

Security Headers

Name	Value
Strict-Transport-Security	max-age=63072000

Request headers

rsc: 1
next-router-segment-prefetch: /_tree
Referer: https://www.undio.cz/
next-url: /
User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/144.0.0.0 Safari/537.36
x-deployment-id: dpl_4mFKsHZhABG2jwqEjzGMpUQhHmXK
next-router-prefetch: 1

Response headers

strict-transport-security: max-age=63072000
cache-control: private, no-cache, no-store, max-age=0, must-revalidate
content-encoding: br
x-vercel-cache: MISS
age: 0
x-user-lang: cz
x-matched-path: /feedback.rsc
date: Thu, 22 Jan 2026 12:14:36 GMT
content-type: text/x-component
vary: rsc, next-router-state-tree, next-router-prefetch, next-router-segment-prefetch
server: Vercel
x-vercel-id: lhr1::iad1::5wj2p-1769084075944-2e26afe3a8c7

GET
H2 200 924-a36f166c5a09e004.js Show response
www.undio.cz/_next/static/chunks/ 111 KB
38 KB 47ms
44ms Script
application/javascript 64.29.17.1
Amazon.com

General

Check archive.org

Download Go to

Full URL

https://www.undio.cz/_next/static/chunks/924-a36f166c5a09e004.js?dpl=dpl_4mFKsHZhABG2jwqEjzGMpUQhHmXK

Requested by

Host: www.undio.cz
URL: https://www.undio.cz/_next/static/chunks/webpack-faa7d18ddd376807.js?dpl=dpl_4mFKsHZhABG2jwqEjzGMpUQhHmXK

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

64.29.17.1 , United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),

Reverse DNS

Software

Vercel /

Resource Hash

572523b59b03fa61082f09118e86aa7c3b818f71084aedd395b9c9c0427c927e

Security Headers

Name	Value
Strict-Transport-Security	max-age=63072000

Request headers

User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/144.0.0.0 Safari/537.36
Referer: https://www.undio.cz/

Response headers

content-encoding: br
etag: "086ceec3e1f23583bbd6e61c6c40f81d"
age: 956
x-matched-path: /_next/static/chunks/924-a36f166c5a09e004.js
date: Thu, 22 Jan 2026 12:14:36 GMT
content-disposition: inline; filename="924-a36f166c5a09e004.js"
content-type: application/javascript; charset=utf-8
last-modified: Thu, 22 Jan 2026 11:58:39 GMT
strict-transport-security: max-age=63072000
cache-control: public,max-age=31536000,immutable
x-vercel-cache: HIT
accept-ranges: bytes
access-control-allow-origin: *
content-length: 39121
server: Vercel
x-vercel-id: lhr1::5wj2p-1769084076073-55f91cfc84a3

GET
H2 200 page-64a9fdd5e5fd02b4.js Show response
www.undio.cz/_next/static/chunks/app/home/ 18 KB
7 KB 51ms
48ms Script
application/javascript 64.29.17.1
Amazon.com

General

Check archive.org

Download Go to

Full URL

https://www.undio.cz/_next/static/chunks/app/home/page-64a9fdd5e5fd02b4.js?dpl=dpl_4mFKsHZhABG2jwqEjzGMpUQhHmXK

Requested by

Host: www.undio.cz
URL: https://www.undio.cz/_next/static/chunks/webpack-faa7d18ddd376807.js?dpl=dpl_4mFKsHZhABG2jwqEjzGMpUQhHmXK

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

64.29.17.1 , United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),

Reverse DNS

Software

Vercel /

Resource Hash

d52b72d10c9de3c14e1d481872839f43e9d18d684aea34dcc775e4c8db2a24dd

Security Headers

Name	Value
Strict-Transport-Security	max-age=63072000

Request headers

User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/144.0.0.0 Safari/537.36
Referer: https://www.undio.cz/

Response headers

content-encoding: br
etag: "d6065154c74f0593dbca8c0e98533abd"
age: 956
x-matched-path: /_next/static/chunks/app/home/page-64a9fdd5e5fd02b4.js
date: Thu, 22 Jan 2026 12:14:36 GMT
content-disposition: inline; filename="page-64a9fdd5e5fd02b4.js"
content-type: application/javascript; charset=utf-8
last-modified: Thu, 22 Jan 2026 11:58:39 GMT
strict-transport-security: max-age=63072000
cache-control: public,max-age=31536000,immutable
x-vercel-cache: HIT
accept-ranges: bytes
access-control-allow-origin: *
content-length: 6731
server: Vercel
x-vercel-id: lhr1::mx4fg-1769084076089-8088077faa9c

GET
H2 200 script.js Show response
www.undio.cz/_vercel/insights/ 2 KB
1 KB 53ms
51ms Script
application/javascript 64.29.17.1
Amazon.com

General

Check archive.org

Download Go to

Full URL

https://www.undio.cz/_vercel/insights/script.js

Requested by

Host: www.undio.cz
URL: https://www.undio.cz/_next/static/chunks/6823-e4985dc8ed7bb06f.js?dpl=dpl_4mFKsHZhABG2jwqEjzGMpUQhHmXK

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

64.29.17.1 , United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),

Reverse DNS

Software

Vercel /

Resource Hash

49804bca0c945ee8a62827b0ff82d5c7cfc33adc4bbd6c3e8c29d7c7022b5f66

Security Headers

Name	Value
Strict-Transport-Security	max-age=63072000; includeSubDomains; preload

Request headers

User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/144.0.0.0 Safari/537.36
Referer: https://www.undio.cz/

Response headers

content-encoding: br
etag: "ad5b3db20fadccf093d1fa6bc2c73b98"
age: 114
date: Thu, 22 Jan 2026 12:14:36 GMT
content-disposition: inline; filename="script.js"
content-type: application/javascript; charset=utf-8
last-modified: Thu, 22 Jan 2026 11:46:24 GMT
strict-transport-security: max-age=63072000; includeSubDomains; preload
cache-control: public, max-age=2678400
x-vercel-cache: HIT
cross-origin-resource-policy: cross-origin
accept-ranges: bytes
access-control-allow-origin: *
content-length: 1271
server: Vercel
x-vercel-id: lhr1:lhr1:lhr1::5wj2p-1769084076089-f42cf87d9013

GET
H2 200 feedback
www.undio.cz/ 839 B
0 178ms
171ms Fetch
text/x-component 64.29.17.1
Amazon.com

General

Check archive.org

Download Go to

Full URL

https://www.undio.cz/feedback?_rsc=p37cr

Requested by

Host: www.undio.cz
URL: https://www.undio.cz/_next/static/chunks/3794-0f90f1cb3709e621.js?dpl=dpl_4mFKsHZhABG2jwqEjzGMpUQhHmXK

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

64.29.17.1 , United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),

Reverse DNS

Software

Vercel /

Resource Hash

Security Headers

Name	Value
Strict-Transport-Security	max-age=63072000

Request headers

rsc: 1
Referer: https://www.undio.cz/
next-url: /
User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/144.0.0.0 Safari/537.36
x-deployment-id: dpl_4mFKsHZhABG2jwqEjzGMpUQhHmXK
next-router-prefetch: 1
next-router-state-tree: %5B%22%22%2C%7B%7D%2Cnull%2C%22metadata-only%22%5D

Response headers

strict-transport-security: max-age=63072000
cache-control: private, no-cache, no-store, max-age=0, must-revalidate
content-encoding: br
x-vercel-cache: MISS
age: 0
x-user-lang: cz
x-matched-path: /feedback.rsc
date: Thu, 22 Jan 2026 12:14:36 GMT
content-type: text/x-component
vary: rsc, next-router-state-tree, next-router-prefetch, next-router-segment-prefetch
server: Vercel
x-vercel-id: lhr1::iad1::rjbr6-1769084076131-b5cbc2edba59

POST
H2 200 view Show response
www.undio.cz/_vercel/insights/ 2 B
172 B 95ms
94ms Fetch
text/plain 64.29.17.1
Amazon.com

General

Check archive.org

Download Go to

Full URL

https://www.undio.cz/_vercel/insights/view

Requested by

Host: www.undio.cz
URL: https://www.undio.cz/_vercel/insights/script.js

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

64.29.17.1 , United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),

Reverse DNS

Software

Vercel /

Resource Hash

565339bc4d33d72817b583024112eb7f5cdf3e5eef0252d6ec1b9c9a94e12bb3

Security Headers

Name	Value
Strict-Transport-Security	max-age=63072000

Request headers

User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/144.0.0.0 Safari/537.36
Content-Type: application/json
Referer: https://www.undio.cz/

Response headers

strict-transport-security: max-age=63072000
cache-control: public, max-age=0, must-revalidate
x-vercel-cache: MISS
cross-origin-resource-policy: cross-origin
x-ratelimit-reset: 60
x-ratelimit-remaining: 999
content-length: 2
date: Thu, 22 Jan 2026 12:14:36 GMT
x-ratelimit-limit: 1000
content-type: text/plain; charset=utf-8
server: Vercel
x-vercel-id: lhr1::mx4fg-1769084076187-8036d737b4d0

GET
H2 200 image
www.undio.cz/_next/ 35 KB
36 KB 58ms
58ms Image
image/webp 64.29.17.1
Amazon.com

General

Check archive.org

Download Go to Show image

Full URL

https://www.undio.cz/_next/image?url=%2Flogo_black_text.png&w=1920&q=75&dpl=dpl_4mFKsHZhABG2jwqEjzGMpUQhHmXK

Requested by

Host: www.undio.cz
URL: https://www.undio.cz/_next/static/chunks/4bd1b696-1400c1b9494d4acb.js?dpl=dpl_4mFKsHZhABG2jwqEjzGMpUQhHmXK

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

64.29.17.1 , United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),

Reverse DNS

Software

Vercel /

Resource Hash

4e11f8d5dbc02b0934152dd6c7b7690525b314d0cb8c50d5fb4e4ffde0b14e72

Security Headers

Name	Value
Content-Security-Policy	script-src 'none'; frame-src 'none'; sandbox;
Strict-Transport-Security	max-age=63072000

Request headers

User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/144.0.0.0 Safari/537.36
Referer: https://www.undio.cz/

Response headers

age: 52336
x-user-lang: cz
x-matched-path: /logo_black_text.png
date: Thu, 22 Jan 2026 12:14:36 GMT
content-disposition: attachment; filename="logo_black_text.webp"
content-type: image/webp
vary: Accept
last-modified: Wed, 21 Jan 2026 00:53:16 GMT
strict-transport-security: max-age=63072000
content-security-policy: script-src 'none'; frame-src 'none'; sandbox;
cache-control: public, max-age=0, must-revalidate
x-vercel-cache: HIT
access-control-allow-origin: *
content-length: 36244
server: Vercel
x-vercel-id: lhr1::7j7kk-1769084076187-97cc1c199772

GET
H2 200 FC3y9llDXuM Show response
www.youtube.com/embed/ Frame D743 113 KB
50 KB 240ms
88ms Document
text/html 172.217.18.14
Google LLC

General

Check archive.org

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Full URL

https://www.youtube.com/embed/FC3y9llDXuM

Requested by

Host: www.undio.cz
URL: https://www.undio.cz/_next/static/chunks/4bd1b696-1400c1b9494d4acb.js?dpl=dpl_4mFKsHZhABG2jwqEjzGMpUQhHmXK

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

172.217.18.14 , United States, ASN15169 (GOOGLE - Google LLC, US),

Reverse DNS

fra24s22-in-f14.1e100.net

Software

ESF /

Resource Hash

2682d43f4ff13798b36801bb65d8fa31bd2c6f085deaca4f5e16d15449bdd742

Security Headers

Name	Value
Content-Security-Policy	script-src 'unsafe-eval' 'self' 'unsafe-inline' https://www.google.com https://apis.google.com https://ssl.gstatic.com https://www.gstatic.com https://www.googletagmanager.com https://www.google-analytics.com https://.youtube.com https://.google.com https://.gstatic.com https://youtube.com https://www.youtube.com https://google.com https://.doubleclick.net https://*.googleapis.com https://www.googleadservices.com https://tpc.googlesyndication.com https://www.youtubekids.com https://www.youtube-nocookie.com https://www.youtubeeducation.com https://www-onepick-opensocial.googleusercontent.com;report-uri https://csp.withgoogle.com/csp/youtube_main/allowlist require-trusted-types-for 'script'
Strict-Transport-Security	max-age=31536000
X-Content-Type-Options	nosniff
X-Xss-Protection	0

Request headers

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POST
H2 200 view Show response
www.undio.cz/_vercel/insights/ 2 B
71 B 72ms
52ms Fetch
text/plain 64.29.17.1
Amazon.com

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Full URL

https://www.undio.cz/_vercel/insights/view

Requested by

Host: www.undio.cz
URL: https://www.undio.cz/_vercel/insights/script.js

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

64.29.17.1 , United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),

Reverse DNS

Software

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Request headers

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Content-Type: application/json
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GET
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59 KB 31ms
21ms Stylesheet
text/css 172.217.18.14
Google LLC

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https://www.youtube.com/s/player/c1c87fb0/www-player.css

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Host: www.youtube.com
URL: https://www.youtube.com/embed/FC3y9llDXuM

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

172.217.18.14 , United States, ASN15169 (GOOGLE - Google LLC, US),

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Software

sffe /

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Request headers

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Referer: https://www.youtube.com/embed/FC3y9llDXuM

Response headers

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age: 141797
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x-content-type-options: nosniff
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content-type: text/css
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server: sffe

GET
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www.youtube.com/s/player/c1c87fb0/player_ias.vflset/de_DE/ Frame D743 32 KB
9 KB 47ms
38ms Script
text/javascript 172.217.18.14
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https://www.youtube.com/s/player/c1c87fb0/player_ias.vflset/de_DE/embed.js

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Host: www.youtube.com
URL: https://www.youtube.com/embed/FC3y9llDXuM

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

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Software

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Request headers

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Referer: https://www.youtube.com/embed/FC3y9llDXuM

Response headers

content-encoding: br
age: 230616
report-to: {"group":"youtube","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/youtube"}]}
x-content-type-options: nosniff
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content-type: text/javascript
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GET
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103 KB 53ms
44ms Script
text/javascript 172.217.18.14
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https://www.youtube.com/s/embeds/a2cffde8/www-embed-player-es6.vflset/www-embed-player-es6.js

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Host: www.youtube.com
URL: https://www.youtube.com/embed/FC3y9llDXuM

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

172.217.18.14 , United States, ASN15169 (GOOGLE - Google LLC, US),

Reverse DNS

fra24s22-in-f14.1e100.net

Software

sffe /

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Security Headers

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Request headers

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Referer: https://www.youtube.com/embed/FC3y9llDXuM

Response headers

content-encoding: br
age: 81012
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x-content-type-options: nosniff
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alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
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server: sffe

GET
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674 KB 45ms
37ms Script
text/javascript 172.217.18.14
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https://www.youtube.com/s/player/c1c87fb0/player_ias.vflset/de_DE/base.js

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Host: www.youtube.com
URL: https://www.youtube.com/embed/FC3y9llDXuM

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

172.217.18.14 , United States, ASN15169 (GOOGLE - Google LLC, US),

Reverse DNS

fra24s22-in-f14.1e100.net

Software

sffe /

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Request headers

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Response headers

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x-content-type-options: nosniff
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GET
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font/woff2 142.251.141.99
Google LLC

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https://fonts.gstatic.com/s/roboto/v48/KFO7CnqEu92Fr1ME7kSn66aGLdTylUAMa3yUBA.woff2

Requested by

Host: www.youtube.com
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Protocol

Security

QUIC, , AES_128_GCM

Server

142.251.141.99 , United States, ASN15169 (GOOGLE - Google LLC, US),

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Software

sffe /

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Request headers

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Origin: https://www.youtube.com
Referer: https://www.youtube.com/

Response headers

age: 184460
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x-content-type-options: nosniff
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x-xss-protection: 0
server: sffe

GET
H2 200 /
www.undio.cz/ 197 B
0 149ms
147ms Fetch
text/x-component 64.29.17.1
Amazon.com

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https://www.undio.cz/?_rsc=3hd5j

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Host: www.undio.cz
URL: https://www.undio.cz/_next/static/chunks/3794-0f90f1cb3709e621.js?dpl=dpl_4mFKsHZhABG2jwqEjzGMpUQhHmXK

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

64.29.17.1 , United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),

Reverse DNS

Software

Vercel /

Resource Hash

Security Headers

Name	Value
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Request headers

rsc: 1
next-router-segment-prefetch: /_tree
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next-url: /home
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date: Thu, 22 Jan 2026 12:14:36 GMT
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GET
H2 200 / Show response
www.undio.cz/ 813 B
581 B 142ms
140ms Fetch
text/x-component 64.29.17.1
Amazon.com

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https://www.undio.cz/?_rsc=dt7rl

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Host: www.undio.cz
URL: https://www.undio.cz/_next/static/chunks/3794-0f90f1cb3709e621.js?dpl=dpl_4mFKsHZhABG2jwqEjzGMpUQhHmXK

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

64.29.17.1 , United States, ASN16509 (AMAZON-02 - Amazon.com, Inc., US),

Reverse DNS

Software

Vercel /

Resource Hash

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Security Headers

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Request headers

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cache-control: private, no-cache, no-store, max-age=0, must-revalidate
content-encoding: br
x-vercel-cache: MISS
age: 0
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date: Thu, 22 Jan 2026 12:14:36 GMT
content-type: text/x-component
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server: Vercel
x-vercel-id: lhr1::iad1::rjbr6-1769084076633-98cd426701d9

GET
H3

200

id Show response
googleads.g.doubleclick.net/pagead/ Frame D743
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https://googleads.g.doubleclick.net/pagead/id
https://googleads.g.doubleclick.net/pagead/id?slf_rd=1

100 B
146 B

31ms
27ms

XHR
application/json

216.58.212.130
Google LLC

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Full URL

https://googleads.g.doubleclick.net/pagead/id?slf_rd=1

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Host: www.youtube.com
URL: https://www.youtube.com/embed/FC3y9llDXuM

Protocol

Server

216.58.212.130 , United States, ASN15169 (GOOGLE - Google LLC, US),

Reverse DNS

ams15s21-in-f2.1e100.net

Software

cafe /

Resource Hash

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Security Headers

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Request headers

User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/144.0.0.0 Safari/537.36
Referer: https://www.youtube.com/

Response headers

content-encoding: gzip
x-content-type-options: nosniff
expires: Fri, 01 Jan 1990 00:00:00 GMT
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
p3p: policyref="https://googleads.g.doubleclick.net/pagead/gcn_p3p_.xml", CP="CURa ADMa DEVa TAIo PSAo PSDo OUR IND UNI PUR INT DEM STA PRE COM NAV OTC NOI DSP COR"
date: Thu, 22 Jan 2026 12:14:37 GMT
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access-control-allow-origin: https://www.youtube.com
content-length: 120
x-xss-protection: 0
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Redirect headers

x-content-type-options: nosniff
expires: Fri, 01 Jan 1990 00:00:00 GMT
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
p3p: policyref="https://googleads.g.doubleclick.net/pagead/gcn_p3p_.xml", CP="CURa ADMa DEVa TAIo PSAo PSDo OUR IND UNI PUR INT DEM STA PRE COM NAV OTC NOI DSP COR"
date: Thu, 22 Jan 2026 12:14:37 GMT
content-type: text/html; charset=UTF-8
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location: https://googleads.g.doubleclick.net/pagead/id?slf_rd=1
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pragma: no-cache
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access-control-allow-origin: https://www.youtube.com
content-length: 0
x-xss-protection: 0
server: cafe

GET
H2 200 ad_status.js Show response
static.doubleclick.net/instream/ Frame D743 29 B
494 B 96ms
34ms Script
text/javascript 142.250.184.198
Google LLC

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https://static.doubleclick.net/instream/ad_status.js

Requested by

Host: www.youtube.com
URL: https://www.youtube.com/s/embeds/a2cffde8/www-embed-player-es6.vflset/www-embed-player-es6.js

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

142.250.184.198 , United States, ASN15169 (GOOGLE - Google LLC, US),

Reverse DNS

fra24s11-in-f6.1e100.net

Software

sffe /

Resource Hash

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Request headers

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Referer: https://www.youtube.com/

Response headers

age: 410
report-to: {"group":"ads-doubleclick-media","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/ads-doubleclick-media"}]}
x-content-type-options: nosniff
expires: Thu, 22 Jan 2026 12:22:47 GMT
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
date: Thu, 22 Jan 2026 12:07:47 GMT
last-modified: Thu, 12 Dec 2013 23:40:16 GMT
content-type: text/javascript
cache-control: public, max-age=900
timing-allow-origin: *
cross-origin-resource-policy: cross-origin
accept-ranges: bytes
access-control-allow-origin: *
cross-origin-opener-policy-report-only: same-origin; report-to="ads-doubleclick-media"
content-length: 29
x-xss-protection: 0
server: sffe

GET
H3 200 remote.js Show response
www.youtube.com/s/player/c1c87fb0/player_ias.vflset/de_DE/ Frame D743 122 KB
35 KB 19ms
19ms Script
text/javascript 172.217.18.14
Google LLC

General

Check archive.org

Download Go to

Full URL

https://www.youtube.com/s/player/c1c87fb0/player_ias.vflset/de_DE/remote.js

Requested by

Host: www.youtube.com
URL: https://www.youtube.com/s/player/c1c87fb0/player_ias.vflset/de_DE/base.js

Protocol

Security

QUIC, , AES_128_GCM

Server

172.217.18.14 , United States, ASN15169 (GOOGLE - Google LLC, US),

Reverse DNS

fra24s22-in-f14.1e100.net

Software

sffe /

Resource Hash

8e0ac8b8d9d47a4a77aad41a7496797115a23ece1bcbe85e0953f1401a926dda

Security Headers

Name	Value
X-Content-Type-Options	nosniff
X-Xss-Protection	0

Request headers

User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/144.0.0.0 Safari/537.36
Referer: https://www.youtube.com/embed/FC3y9llDXuM

Response headers

content-encoding: br
age: 158569
report-to: {"group":"youtube","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/youtube"}]}
x-content-type-options: nosniff
expires: Wed, 20 Jan 2027 16:11:48 GMT
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
date: Tue, 20 Jan 2026 16:11:48 GMT
last-modified: Thu, 15 Jan 2026 05:39:30 GMT
content-type: text/javascript
vary: Accept-Encoding, Origin
cache-control: public, max-age=31536000
cross-origin-resource-policy: cross-origin
accept-ranges: bytes
cross-origin-opener-policy-report-only: same-origin; report-to="youtube"
content-length: 36302
x-xss-protection: 0
server: sffe

GET
H2 200 maxresdefault.webp
i.ytimg.com/vi_webp/FC3y9llDXuM/ Frame D743 35 KB
36 KB 85ms
28ms Image
image/webp 142.250.185.182
Google LLC

General

Check archive.org

Download Go to Show image

Full URL

https://i.ytimg.com/vi_webp/FC3y9llDXuM/maxresdefault.webp

Requested by

Host: www.youtube.com
URL: https://www.youtube.com/embed/FC3y9llDXuM

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

142.250.185.182 , United States, ASN15169 (GOOGLE - Google LLC, US),

Reverse DNS

fra16s51-in-f22.1e100.net

Software

sffe /

Resource Hash

63c5bf8607fd158eded7e77b40bb065e066810c60b600b5026692f18f0096a47

Security Headers

Name	Value
X-Content-Type-Options	nosniff
X-Xss-Protection	0

Request headers

User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/144.0.0.0 Safari/537.36
Referer: https://www.youtube.com/

Response headers

etag: "1689361707"
age: 547
report-to: {"group":"youtube","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/youtube"}]}
x-content-type-options: nosniff
expires: Thu, 22 Jan 2026 14:05:30 GMT
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
date: Thu, 22 Jan 2026 12:05:30 GMT
content-type: image/webp
vary: Origin
cache-control: public, max-age=7200
cross-origin-resource-policy: cross-origin
accept-ranges: bytes
cross-origin-opener-policy-report-only: same-origin; report-to="youtube"
content-length: 36266
x-xss-protection: 0
server: sffe

GET
DATA 200
OK truncated
/ Frame D743 175 B
0 Image
image/png

General

Check archive.org

Download Go to Show image

Full URL: data:truncated
Protocol: DATA
Server: -, , ASN (),
Reverse DNS
Software: /
Resource Hash: 67ea46bc3d15351067faccb3613bd833dd3f15137a4b4a09f2e873fd41d024d2

Request headers

User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/144.0.0.0 Safari/537.36
Referer

Response headers

Content-Type: image/png

GET
H2 200 AIdro_kc8LGkfWDUytrxAGaUPsJZ4oz0FV4qOozqHdTcrIM=s68-c-k-c0x00ffffff-no-rj
yt3.ggpht.com/ytc/ Frame D743 1 KB
2 KB 96ms
29ms Image
image/jpeg 172.217.23.97
Google LLC

General

Check archive.org

Download Go to Show image

Full URL

https://yt3.ggpht.com/ytc/AIdro_kc8LGkfWDUytrxAGaUPsJZ4oz0FV4qOozqHdTcrIM=s68-c-k-c0x00ffffff-no-rj

Requested by

Host: www.youtube.com
URL: https://www.youtube.com/embed/FC3y9llDXuM

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

172.217.23.97 , United States, ASN15169 (GOOGLE - Google LLC, US),

Reverse DNS

mil04s23-in-f1.1e100.net

Software

fife /

Resource Hash

146ab7cb34b04c86440ce2a16220fd2a82ad8dc6858743ae947158807cc5ee34

Security Headers

Name	Value
X-Content-Type-Options	nosniff
X-Xss-Protection	0

Request headers

User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/144.0.0.0 Safari/537.36
Referer: https://www.youtube.com/

Response headers

access-control-expose-headers: Content-Length
etag: "v0"
age: 2721
x-content-type-options: nosniff
expires: Fri, 23 Jan 2026 11:29:16 GMT
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
date: Thu, 22 Jan 2026 11:29:16 GMT
content-disposition: inline;filename="unnamed.jpg"
content-type: image/jpeg
vary: Origin
cache-control: public, max-age=86400, no-transform
timing-allow-origin: *
cross-origin-resource-policy: cross-origin
access-control-allow-origin: *
content-length: 1424
x-xss-protection: 0
server: fife

GET
H2 200 cast_sender.js Show response
www.gstatic.com/cv/js/sender/v1/ Frame D743 4 KB
2 KB 104ms
47ms Script
text/javascript 172.217.20.131
Google LLC

General

Check archive.org

Download Go to

Full URL

https://www.gstatic.com/cv/js/sender/v1/cast_sender.js

Requested by

Host: www.youtube.com
URL: https://www.youtube.com/s/player/c1c87fb0/player_ias.vflset/de_DE/base.js

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

172.217.20.131 , United States, ASN15169 (GOOGLE - Google LLC, US),

Reverse DNS

lcfraa-bo-in-f3.1e100.net

Software

sffe /

Resource Hash

ee147e859ad0f09aa50367974e38ab53e7c7054c4a51d400a7f45b0eb251454f

Security Headers

Name	Value
X-Content-Type-Options	nosniff
X-Xss-Protection	0

Request headers

User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/144.0.0.0 Safari/537.36
Referer: https://www.youtube.com/

Response headers

content-encoding: gzip
report-to: {"group":"cloudview","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/cloudview"}]}
x-content-type-options: nosniff
expires: Thu, 22 Jan 2026 12:14:37 GMT
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
date: Thu, 22 Jan 2026 12:14:37 GMT
content-type: text/javascript
vary: Accept-Encoding
last-modified: Tue, 16 Feb 2021 23:57:06 GMT
cache-control: private, max-age=3000
cross-origin-opener-policy: same-origin; report-to="cloudview"
cross-origin-resource-policy: cross-origin
content-security-policy-report-only: require-trusted-types-for 'script'; report-uri https://csp.withgoogle.com/csp/cloudview
accept-ranges: bytes
content-length: 2007
x-xss-protection: 0
server: sffe

GET
H2 200 cast_sender.js Show response
www.gstatic.com/eureka/clank/144/ Frame D743 46 KB
13 KB 32ms
31ms Script
text/javascript 172.217.20.131
Google LLC

General

Check archive.org

Download Go to

Full URL

https://www.gstatic.com/eureka/clank/144/cast_sender.js

Requested by

Host: www.gstatic.com
URL: https://www.gstatic.com/cv/js/sender/v1/cast_sender.js

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

172.217.20.131 , United States, ASN15169 (GOOGLE - Google LLC, US),

Reverse DNS

lcfraa-bo-in-f3.1e100.net

Software

sffe /

Resource Hash

73b06d30b87cb73e373e0bd9f722012b29470bc5de7c75ed96013b1678b5008a

Security Headers

Name	Value
X-Content-Type-Options	nosniff
X-Xss-Protection	0

Request headers

User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/144.0.0.0 Safari/537.36
Referer: https://www.youtube.com/

Response headers

content-encoding: gzip
age: 72375
report-to: {"group":"cloudview-release","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/cloudview-release"}]}
x-content-type-options: nosniff
expires: Thu, 22 Jan 2026 16:08:22 GMT
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
date: Wed, 21 Jan 2026 16:08:22 GMT
last-modified: Mon, 01 Dec 2025 16:11:50 GMT
content-type: text/javascript
vary: Accept-Encoding
cache-control: public, max-age=86400
cross-origin-opener-policy: same-origin; report-to="cloudview-release"
cross-origin-resource-policy: cross-origin
content-security-policy-report-only: require-trusted-types-for 'script'; report-uri https://csp.withgoogle.com/csp/cloudview-release
accept-ranges: bytes
content-length: 13386
x-xss-protection: 0
server: sffe

GET
H3 200 IpitfqEg0DaLBpPdP5sgJcEyktlBp2LGI73u5Fe9KpI.js Show response
www.google.com/js/th/ Frame D743 57 KB
22 KB 52ms
20ms Script
text/javascript 142.250.185.164
Google LLC

General

Check archive.org

Download Go to

Full URL

https://www.google.com/js/th/IpitfqEg0DaLBpPdP5sgJcEyktlBp2LGI73u5Fe9KpI.js

Requested by

Host: www.youtube.com
URL: https://www.youtube.com/s/embeds/a2cffde8/www-embed-player-es6.vflset/www-embed-player-es6.js

Protocol

Security

QUIC, , AES_128_GCM

Server

142.250.185.164 , United States, ASN15169 (GOOGLE - Google LLC, US),

Reverse DNS

fra16s51-in-f4.1e100.net

Software

sffe /

Resource Hash

2298ad7ea120d0368b0693dd3f9b2025c13292d941a762c623bdeee457bd2a92

Security Headers

Name	Value
X-Content-Type-Options	nosniff
X-Xss-Protection	0

Request headers

User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/144.0.0.0 Safari/537.36
Referer: https://www.youtube.com/

Response headers

content-encoding: br
age: 16050
report-to: {"group":"botguard-scs","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/botguard-scs"}]}
x-content-type-options: nosniff
expires: Fri, 22 Jan 2027 07:47:07 GMT
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
date: Thu, 22 Jan 2026 07:47:07 GMT
last-modified: Mon, 05 Jan 2026 11:00:00 GMT
content-type: text/javascript
vary: Accept-Encoding
cache-control: public, max-age=31536000
cross-origin-opener-policy: same-origin; report-to="botguard-scs"
cross-origin-resource-policy: cross-origin
content-security-policy-report-only: require-trusted-types-for 'script'; report-uri https://csp.withgoogle.com/csp/botguard-scs
accept-ranges: bytes
content-length: 22200
x-xss-protection: 0
server: sffe

GET
H3 204 generate_204
www.youtube.com/ Frame D743 0
10 B 20ms
19ms Image
text/plain 172.217.18.14
Google LLC

General

Check archive.org

Download Go to Show image

Full URL: https://www.youtube.com/generate_204?Helr0g
Protocol: H3
Security: QUIC, , AES_128_GCM
Server: 172.217.18.14 , United States, ASN15169 (GOOGLE - Google LLC, US),
Reverse DNS: fra24s22-in-f14.1e100.net
Software: /
Resource Hash: e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

Request headers

User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/144.0.0.0 Safari/537.36
Referer: https://www.youtube.com/embed/FC3y9llDXuM

Response headers

alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length: 0
date: Thu, 22 Jan 2026 12:14:37 GMT
cross-origin-resource-policy: cross-origin

OPTIONS
H2 200 GenerateIT
jnn-pa.googleapis.com/$rpc/google.internal.waa.v1.Waa/ Frame 0
0 114ms
38ms Preflight
text/html 142.250.185.170
Google LLC

General

Check archive.org

Download Go to

Full URL

https://jnn-pa.googleapis.com/$rpc/google.internal.waa.v1.Waa/GenerateIT

Protocol

Security

TLS 1.3, , AES_256_GCM

Server

142.250.185.170 , United States, ASN15169 (GOOGLE - Google LLC, US),

Reverse DNS

fra16s51-in-f10.1e100.net

Software

ESF /

Resource Hash

Security Headers

Name	Value
X-Content-Type-Options	nosniff
X-Frame-Options	SAMEORIGIN
X-Xss-Protection	0

Request headers

Accept: */*
Access-Control-Request-Headers: content-type,x-goog-api-key
Access-Control-Request-Method: POST
Origin: https://www.youtube.com
Sec-Fetch-Mode: cors
User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/144.0.0.0 Safari/537.36

Response headers

access-control-allow-credentials: true
access-control-allow-headers: content-type,x-goog-api-key
access-control-allow-methods: DELETE,GET,HEAD,OPTIONS,PATCH,POST,PUT
access-control-allow-origin: https://www.youtube.com
access-control-max-age: 3600
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length: 0
content-type: text/html
date: Thu, 22 Jan 2026 12:14:37 GMT
server: ESF
vary: origin referer x-origin
x-content-type-options: nosniff
x-frame-options: SAMEORIGIN
x-xss-protection: 0

POST
H2 200 GenerateIT Show response
jnn-pa.googleapis.com/$rpc/google.internal.waa.v1.Waa/ Frame D743 102 B
312 B 43ms
40ms XHR
application/json+protobuf 142.250.185.170
Google LLC

General

Check archive.org

Download Go to

Full URL

https://jnn-pa.googleapis.com/$rpc/google.internal.waa.v1.Waa/GenerateIT

Requested by

Host: www.youtube.com
URL: https://www.youtube.com/s/embeds/a2cffde8/www-embed-player-es6.vflset/www-embed-player-es6.js

Protocol

Security

TLS 1.3, , AES_256_GCM

Server

142.250.185.170 , United States, ASN15169 (GOOGLE - Google LLC, US),

Reverse DNS

fra16s51-in-f10.1e100.net

Software

ESF /

Resource Hash

a6892b8510a233330e4f397948cd8ab27a314db5924453273455078e95a441ca

Security Headers

Name	Value
X-Content-Type-Options	nosniff
X-Frame-Options	SAMEORIGIN
X-Xss-Protection	0

Request headers

X-Goog-Api-Key: AIzaSyDyT5W0Jh49F30Pqqtyfdf7pDLFKLJoAnw
Referer: https://www.youtube.com/
User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/144.0.0.0 Safari/537.36
Content-Type: application/json+protobuf

Response headers

access-control-expose-headers: vary,vary,vary,content-encoding,date,server,content-length
content-encoding: gzip
access-control-allow-credentials: true
x-content-type-options: nosniff
access-control-allow-origin: https://www.youtube.com
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length: 122
date: Thu, 22 Jan 2026 12:14:37 GMT
x-xss-protection: 0
content-type: application/json+protobuf; charset=UTF-8
vary: Origin, X-Origin, Referer
server: ESF
x-frame-options: SAMEORIGIN

POST
H3 200 log_event Show response
www.youtube.com/youtubei/v1/ Frame D743 28 B
50 B 63ms
59ms XHR
application/json 172.217.18.14
Google LLC

General

Check archive.org

Download Go to

Full URL

https://www.youtube.com/youtubei/v1/log_event?alt=json

Requested by

Host: www.youtube.com
URL: https://www.youtube.com/s/embeds/a2cffde8/www-embed-player-es6.vflset/www-embed-player-es6.js

Protocol

Security

QUIC, , AES_128_GCM

Server

172.217.18.14 , United States, ASN15169 (GOOGLE - Google LLC, US),

Reverse DNS

fra24s22-in-f14.1e100.net

Software

scaffolding on HTTPServer2 /

Resource Hash

d7d5e54ad1e33d7ab49c664323ced79cb9723ff15e9764cd0edc3e15208e8336

Security Headers

Name	Value
X-Content-Type-Options	nosniff
X-Frame-Options	SAMEORIGIN
X-Xss-Protection	0

Request headers

X-YouTube-Page-CL: 858938007
X-YouTube-Utc-Offset: 60
Referer: https://www.youtube.com/embed/FC3y9llDXuM
X-YouTube-Device: cbr=Chrome&cbrver=144.0.0.0&ceng=WebKit&cengver=537.36&cos=X11&cplatform=DESKTOP
X-YouTube-Client-Name: 56
X-YouTube-Ad-Signals: dt=1769084076566&flash=0&frm=2&u_tz=60&u_his=2&u_h=1200&u_w=1600&u_ah=1200&u_aw=1600&u_cd=24&bc=31&bih=-12245933&biw=-12245933&brdim=1120%2C1120%2C1120%2C1120%2C1600%2C0%2C1600%2C1200%2C1008%2C560&vis=1&wgl=true&ca_type=image
X-Goog-Event-Time: 1769084080054
X-YouTube-Client-Version: 1.20260121.01.00
X-Goog-Visitor-Id: CgtUOWRnRWU3Y3NSdyisqcjLBjIKCgJERRIEEgAgRw%3D%3D
X-Goog-Request-Time: 1769084080055
User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/144.0.0.0 Safari/537.36
X-YouTube-Time-Zone: Europe/Berlin
Content-Type: application/json
X-YouTube-Page-Label: youtube.embeds.web_20260121_01_RC00

Response headers

content-encoding: br
x-content-type-options: nosniff
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
content-length: 31
date: Thu, 22 Jan 2026 12:14:40 GMT
x-xss-protection: 0
content-type: application/json; charset=UTF-8
vary: Origin, X-Origin, Referer
server: scaffolding on HTTPServer2
x-frame-options: SAMEORIGIN

Verdicts & Comments Add Verdict or Comment

10 JavaScript Window variables

These are the non-standard variables defined on the window object. These include var declarations and global functions and can be helpful in identifying possible client-side frameworks and code.

5 Cookies

Cookies are little pieces of information stored in the browser of a user. Whenever a user visits the site again, he will also send his cookie values, thus allowing the website to re-identify him even if he changed locations. This is how permanent logins work.

Domain/Path	Expires	Name / Value
www.undio.cz/	1969-12-31 23:59:59	Name: lang Value: cz
.youtube.com/	1969-12-31 23:59:59	Name: YSC Value: _s9UPGt6Mok
.youtube.com/	1970-01-21 15:43:56	Name: __Secure-ROLLOUT_TOKEN Value: CNTKkdiTj6SuNxCLyc3fj5-SAxiLyc3fj5-SAw%3D%3D
.youtube.com/	1970-01-21 15:43:56	Name: VISITOR_INFO1_LIVE Value: T9dgEe7csRw
.youtube.com/	1970-01-21 15:43:56	Name: VISITOR_PRIVACY_METADATA Value: CgJERRIEEgAgRw%3D%3D

2 Console Messages

A page may trigger messages to the console to be logged. These are often error messages about being unable to load a resource or execute a piece of JavaScript. Sometimes they also provide insight into the technology behind a website.

Source	Level	URL Text
network	error	URL: https://www.undio.cz/favicon.ico Message: Failed to load resource: the server responded with a status of 404 ()
rendering	warning	URL: https://www.youtube.com/embed/FC3y9llDXuM Message: [GroupMarkerNotSet(crbug.com/242999)!:A0601800AC380000]Automatic fallback to software WebGL has been deprecated. Please use the --enable-unsafe-swiftshader (about:flags#enable-unsafe-swiftshader) flag to opt in to lower security guarantees for trusted content.

Security Headers

This page lists any security headers set by the main page. If you want to understand what these mean and how to use them, head on over to this page

Header	Value
Strict-Transport-Security	max-age=63072000

Indicators

This is a term in the security industry to describe indicators such as IPs, Domains, Hashes, etc. This does not imply that any of these indicate malicious activity.

fonts.gstatic.com
googleads.g.doubleclick.net
i.ytimg.com
jnn-pa.googleapis.com
static.doubleclick.net
www.google.com
www.gstatic.com
www.undio.cz
www.youtube.com
yt3.ggpht.com
142.250.184.198
142.250.185.164
142.250.185.170
142.250.185.182
142.251.141.99
172.217.18.14
172.217.20.131
172.217.23.97
216.58.212.130
64.29.17.1
069af3d618270ab19a333a220bd3c1fc2349ca4da56510255b31d51d00bceef9
09cc6a753513362ef24ee150efdc8e60073c50014d78d24a70d1fa1e6d844b39
146ab7cb34b04c86440ce2a16220fd2a82ad8dc6858743ae947158807cc5ee34
15db5625e6052f0479ca63cf3e7218962316cbe70893eb83069b73120b2679a1
1bd3b1574b652d441138d1feb8de8d933a0eb6c9b758ba9c3189f979a3706b1c
20b535fa80c8189e3b87d1803038389960203a886d502bc2ef1857affc2f38d2
2298ad7ea120d0368b0693dd3f9b2025c13292d941a762c623bdeee457bd2a92
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www.undio.cz 64.29.17.1 Public Scan Open in urlscan Pro

Summary

urlscan.io Verdict: No classification

Domain & IP information

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Page Title

Page URL History Show full URLs

Detected technologies

Page Statistics

54 Requests

98 %HTTPS

0 %IPv6

8 Domains

10 Subdomains

11 IPs

1 Countries

1466 kBTransfer

5134 kBSize

5 Cookies

0 Outgoing links

Page URL History

Redirected requests

54 HTTP transactions Everything HTML Script Fetch XHR CSS Image Font Expand all 1 data transactions

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www.undio.cz
64.29.17.1 Public Scan Open in urlscan Pro

Screenshot
Live screenshot

Full Image

54
Requests

98 %
HTTPS

0 %
IPv6

8
Domains

10
Subdomains

11
IPs

1
Countries

1466 kB
Transfer

5134 kB
Size

5
Cookies

54 HTTP transactions
1 data transactions