masteringjs.io Open in urlscan Pro
75.2.60.5 Public Scan

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Add Verdict Report

URL:
https://masteringjs.io/
Submission Tags: analytics-framework
Submission: On April 19 via api (April 19th 2023, 10:03:20 pm UTC) from US — Scanned from DE

Summary HTTP 28 Redirects Links 14 Behaviour Indicators

Summary

This website contacted 7 IPs in 3 countries across 7 domains to perform 28 HTTP transactions. The main IP is 75.2.60.5, located in United States and belongs to AMAZON-02, US. The main domain is masteringjs.io.
TLS certificate: Issued by R3 on March 14th 2023. Valid for: 3 months.

This is the only time masteringjs.io was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

	IP Address	AS Autonomous System
17	75.2.60.5 75.2.60.5	16509 (AMAZON-02) (AMAZON-02)
1	2a00:1450:400... 2a00:1450:4001:828::200a	15169 (GOOGLE) (GOOGLE)
5	3.5.10.180 3.5.10.180	14618 (AMAZON-AES) (AMAZON-AES)
1	2606:4700:20:... 2606:4700:20::681a:d91	13335 (CLOUDFLAR...) (CLOUDFLARENET)
2	151.139.128.10 151.139.128.10	20446 (STACKPATH...) (STACKPATH-CDN)
1	52.217.73.70 52.217.73.70	16509 (AMAZON-02) (AMAZON-02)
1	178.62.198.146 178.62.198.146	14061 (DIGITALOC...) (DIGITALOCEAN-ASN)
28	7

17 75.2.60.5 (United States)

ASN16509 (AMAZON-02, US)
PTR: acd89244c803f7181.awsglobalaccelerator.com

masteringjs.io	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

1 2a00:1450:4001:828::200a (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)

fonts.googleapis.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

5 3.5.10.180 (Ashburn, United States)

ASN14618 (AMAZON-AES, US)
PTR: s3-1-w.amazonaws.com

codebarbarian-images.s3.amazonaws.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

1 2606:4700:20::681a:d91 (United States)

ASN13335 (CLOUDFLARENET, US)

images.opencollective.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

2 151.139.128.10 (United States)

ASN20446 (STACKPATH-CDN, US)
PTR: map3.hwcdn.net

cdn.carbonads.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools
cdn4.buysellads.net	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

1 52.217.73.70 (Ashburn, United States)

ASN16509 (AMAZON-02, US)
PTR: s3-1.amazonaws.com

s3.amazonaws.com	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

1 178.62.198.146 (Amsterdam, Netherlands)

ASN14061 (DIGITALOCEAN-ASN, US)
PTR: srv-eu-nl-14.buysellads.com

srv.carbonads.net	Domain lookup VirusTotal SecurityTrails crt.sh Censys Domaintools

	Apex Domain Subdomains	Transfer
17	masteringjs.io masteringjs.io	24 KB
6	amazonaws.com codebarbarian-images.s3.amazonaws.com s3.amazonaws.com	402 KB
1	buysellads.net cdn4.buysellads.net — Cisco Umbrella Rank: 28904	6 KB
1	carbonads.net srv.carbonads.net — Cisco Umbrella Rank: 66663	804 B
1	carbonads.com cdn.carbonads.com — Cisco Umbrella Rank: 66810	5 KB
1	opencollective.com images.opencollective.com — Cisco Umbrella Rank: 611391	35 KB
1	googleapis.com fonts.googleapis.com — Cisco Umbrella Rank: 119	1 KB
28	7

	Domain	Requested by
17	masteringjs.io	masteringjs.io
5	codebarbarian-images.s3.amazonaws.com	masteringjs.io
1	cdn4.buysellads.net	masteringjs.io
1	srv.carbonads.net	cdn.carbonads.com
1	s3.amazonaws.com	masteringjs.io
1	cdn.carbonads.com	masteringjs.io
1	images.opencollective.com	masteringjs.io
1	fonts.googleapis.com	masteringjs.io
28	8

This site contains links to these domains. Also see Links.

Domain
www.getrevue.co
masteringjs.substack.com
newcasinouk.com
nuovicasinoitalia.it
www.correctcasinos.com
www.kongcasino.com
www.wizardslots.com
www.kingcasino.com
twitter.com
github.com
meanitsoftware.com
srv.carbonads.net
carbonads.net

Subject Issuer	Validity	Valid
masteringjs.io R3	`2023-03-14` - `2023-06-12`	3 months	crt.sh
upload.video.google.com GTS CA 1C3	`2023-04-03` - `2023-06-26`	3 months	crt.sh
*.s3.amazonaws.com Amazon	`2022-09-21` - `2023-08-26`	a year	crt.sh
sni.cloudflaressl.com Cloudflare Inc ECC CA-3	`2022-05-31` - `2023-05-31`	a year	crt.sh
cdn.carbonads.com R3	`2023-03-22` - `2023-06-20`	3 months	crt.sh
s3.amazonaws.com Amazon RSA 2048 M01	`2022-12-06` - `2023-12-05`	a year	crt.sh
*.carbonads.net Sectigo RSA Domain Validation Secure Server CA	`2022-10-17` - `2023-10-13`	a year	crt.sh
cdn4.buysellads.net R3	`2023-03-23` - `2023-06-21`	3 months	crt.sh

This page contains 1 frames:

Primary Page: https://masteringjs.io/
Frame ID: 55055C3101AF15F04FFE0CFC7AA8D331
Requests: 28 HTTP requests in this frame

Screenshot
Live screenshot

Full Image

Page Title

Mastering JS

Detected technologies

Carbon Ads (Advertising Networks) Expand

Overall confidence: 100%
Detected patterns

carbonads\.com

Google Font API (Font Scripts) Expand

Overall confidence: 100%
Detected patterns

<link[^>]* href=[^>]+fonts\.(?:googleapis|google)\.com

Page Statistics

28
Requests

100 %
HTTPS

29 %
IPv6

7
Domains

8
Subdomains

7
IPs

3
Countries

475 kB
Transfer

543 kB
Size

0
Cookies

14 Outgoing links

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

URL: https://www.getrevue.co/profile/masteringjs
Title: Newsletter

Search URL Search Domain Scan URL

URL: https://masteringjs.substack.com/
Title: Sign Up

Search URL Search Domain Scan URL

URL: https://newcasinouk.com/banking/paypal

Search URL Search Domain Scan URL

URL: https://nuovicasinoitalia.it/casino-stranieri/europa

Search URL Search Domain Scan URL

URL: https://www.correctcasinos.com/fastest-payout-casinos/

Search URL Search Domain Scan URL

URL: https://www.kongcasino.com/

Search URL Search Domain Scan URL

URL: https://www.wizardslots.com/

Search URL Search Domain Scan URL

URL: https://www.kingcasino.com/slots/

Search URL Search Domain Scan URL

URL: https://twitter.com/mastering_js

Search URL Search Domain Scan URL

URL: https://github.com/mastering-js/masteringjs.io

Search URL Search Domain Scan URL

URL: https://meanitsoftware.com/
Title: MeanIT Software, Inc.

Search URL Search Domain Scan URL

URL: https://github.com/sponsors/mastering-js
Title: Partnerships

Search URL Search Domain Scan URL

URL: https://srv.carbonads.net/ads/click/x/GTND42JYC6AIK2JECV74YKQNFT7DVK7LCKYITZ3JCYAD623YF6BIL23KCVSDEKJMC6AI6KQUCKAIPKJECEBD45QKC6SDEKQ7CEYIKK3EHJNCLSIZ?segment=placement:masteringjsio;

Search URL Search Domain Scan URL

URL: http://carbonads.net/?utm_source=masteringjsio&utm_medium=ad_via_link&utm_campaign=in_unit&utm_term=carbon
Title: ads via Carbon

Search URL Search Domain Scan URL

Redirected requests

There were HTTP redirect chains for the following requests:

28 HTTP transactions
0 data transactions

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

GET
H2 200 Primary Request / Show response
masteringjs.io/ 16 KB
3 KB 51ms
11ms Document
text/html 75.2.60.5
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL

https://masteringjs.io/

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

75.2.60.5 , United States, ASN16509 (AMAZON-02, US),

Reverse DNS

acd89244c803f7181.awsglobalaccelerator.com

Software

Netlify /

Resource Hash

521c4d73460f047fa191ea77d58d58e5f9bc602f0c5164adf023dec912dd4637

Security Headers

Name	Value
Strict-Transport-Security	max-age=31536000

Request headers

Upgrade-Insecure-Requests: 1
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/112.0.5615.121 Safari/537.36
accept-language: de-DE,de;q=0.9

Response headers

accept-ranges: bytes
age: 4609
cache-control: public, max-age=0, must-revalidate
content-encoding: br
content-length: 3207
content-type: text/html; charset=UTF-8
date: Wed, 19 Apr 2023 20:46:26 GMT
etag: "9987d33a7d41cc8db2c451b373d6e30f-ssl-df"
server: Netlify
strict-transport-security: max-age=31536000
vary: Accept-Encoding
x-nf-request-id: 01GYDRP4FEABY5P6PYKSDGGGMW

GET
H2 200 style.css
masteringjs.io/assets/ 7 KB
2 KB 10ms
9ms Stylesheet
text/css 75.2.60.5
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL

https://masteringjs.io/assets/style.css

Requested by

Host: masteringjs.io
URL: https://masteringjs.io/

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

75.2.60.5 , United States, ASN16509 (AMAZON-02, US),

Reverse DNS

acd89244c803f7181.awsglobalaccelerator.com

Software

Netlify /

Resource Hash

c432aabee2c8558e8285892cf0bb25676922068bae5102cc93c153171422314c

Security Headers

Name	Value
Strict-Transport-Security	max-age=31536000

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://masteringjs.io/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/112.0.5615.121 Safari/537.36

Response headers

x-nf-request-id: 01GYDRP4FZ1DFVJWG2VBG1AG8X
date: Wed, 19 Apr 2023 07:10:57 GMT
content-encoding: br
strict-transport-security: max-age=31536000
server: Netlify
age: 53538
etag: "9eecdb4fbe82868bf9cd4af9e49f52ff-ssl-df"
vary: Accept-Encoding
content-type: text/css; charset=UTF-8
cache-control: public, max-age=0, must-revalidate
accept-ranges: bytes
content-length: 1567

GET
H2 200 home.css
masteringjs.io/assets/ 2 KB
714 B 203ms
202ms Stylesheet
text/css 75.2.60.5
AMAZON-02

General

Check archive.org

Show headers Download Go to

Full URL

https://masteringjs.io/assets/home.css

Requested by

Host: masteringjs.io
URL: https://masteringjs.io/

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

75.2.60.5 , United States, ASN16509 (AMAZON-02, US),

Reverse DNS

acd89244c803f7181.awsglobalaccelerator.com

Software

Netlify /

Resource Hash

783bd7a338f3fd4644d4f46f9f0cbc95cd6fb4dc46cefc34248f4a68412b0018

Security Headers

Name	Value
Strict-Transport-Security	max-age=31536000

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://masteringjs.io/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/112.0.5615.121 Safari/537.36

Response headers

x-nf-request-id: 01GYDRP4FZVD6RYHRY76E50YQ0
date: Wed, 19 Apr 2023 22:03:15 GMT
content-encoding: br
strict-transport-security: max-age=31536000
server: Netlify
age: 0
etag: "ca63ee3218d4565c1ff74fe7568c41a7-ssl-df"
vary: Accept-Encoding
content-type: text/css; charset=UTF-8
cache-control: public, max-age=0, must-revalidate
accept-ranges: bytes

GET
H2 200 css
fonts.googleapis.com/ 7 KB
1 KB 66ms
27ms Stylesheet
text/css 2a00:1450:4001:828::200a
GOOGLE

General

Check archive.org

Show headers Download Go to

Full URL

https://fonts.googleapis.com/css?family=Montserrat:300,400,700|Inconsolata:400,700

Requested by

Host: masteringjs.io
URL: https://masteringjs.io/

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

2a00:1450:4001:828::200a Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),

Reverse DNS

Software

ESF /

Resource Hash

d50d34fa63bbb383aa2dc95053b114253f525c6126e0224304e546984b6a018a

Security Headers

Name	Value
Strict-Transport-Security	max-age=31536000
X-Content-Type-Options	nosniff
X-Frame-Options	SAMEORIGIN
X-Xss-Protection	0

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://masteringjs.io/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/112.0.5615.121 Safari/537.36

Response headers

strict-transport-security: max-age=31536000
date: Wed, 19 Apr 2023 22:03:15 GMT
content-encoding: gzip
x-content-type-options: nosniff
cross-origin-resource-policy: cross-origin
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
x-xss-protection: 0
last-modified: Wed, 19 Apr 2023 22:03:15 GMT
server: ESF
cross-origin-opener-policy: same-origin-allow-popups
x-frame-options: SAMEORIGIN
content-type: text/css; charset=utf-8
access-control-allow-origin: *
cache-control: private, max-age=86400, stale-while-revalidate=604800
timing-allow-origin: *
link: <https://fonts.gstatic.com>; rel=preconnect; crossorigin
expires: Wed, 19 Apr 2023 22:03:15 GMT

GET
H2 200 logo.svg
masteringjs.io/assets/ 9 KB
1 KB 21ms
19ms Image
image/svg+xml 75.2.60.5
AMAZON-02

General

Check archive.org

Show headers Download Go to Show image

Full URL

https://masteringjs.io/assets/logo.svg

Requested by

Host: masteringjs.io
URL: https://masteringjs.io/

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

75.2.60.5 , United States, ASN16509 (AMAZON-02, US),

Reverse DNS

acd89244c803f7181.awsglobalaccelerator.com

Software

Netlify /

Resource Hash

c093b922d1151abd1f98624864ed47465f25717e16ff197d2fd6f1a3405a1ac2

Security Headers

Name	Value
Strict-Transport-Security	max-age=31536000

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://masteringjs.io/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/112.0.5615.121 Safari/537.36

Response headers

x-nf-request-id: 01GYDRP4GNYKDK5H95JCZ13CZX
date: Tue, 18 Apr 2023 19:29:22 GMT
content-encoding: br
strict-transport-security: max-age=31536000
server: Netlify
age: 95633
etag: "ee3e45fa06453af8b95253b8bb6103d9-ssl-df"
vary: Accept-Encoding
content-type: image/svg+xml
cache-control: public, max-age=0, must-revalidate
accept-ranges: bytes
content-length: 1214

GET
H/1.1 200
OK paypal-casino.png
codebarbarian-images.s3.amazonaws.com/ 11 KB
11 KB 408ms
150ms Image
image/png 3.5.10.180
AMAZON-AES

General

Check archive.org

Show headers Download Go to Show image

Full URL: https://codebarbarian-images.s3.amazonaws.com/paypal-casino.png
Requested by: Host: masteringjs.io
URL: https://masteringjs.io/
Protocol: HTTP/1.1
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
Server: 3.5.10.180 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS: s3-1-w.amazonaws.com
Software: AmazonS3 /
Resource Hash: a9c9a8d9efe16698f965dc194892aa94b5cb58ef1d1769e8800d24c6c83b119a

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://masteringjs.io/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/112.0.5615.121 Safari/537.36

Response headers

Date: Wed, 19 Apr 2023 22:03:16 GMT
Last-Modified: Wed, 02 Feb 2022 16:05:24 GMT
Server: AmazonS3
x-amz-request-id: 1B1MZ60QPV2H0Z03
ETag: "92e14d93c26dfe5b6e30020400528059"
Content-Type: image/png
Accept-Ranges: bytes
Content-Length: 11251
x-amz-id-2: hs5eNlQwGGVvec9wqcVNJXA77TbeNzhWeyckLIfQP4EpgZNjp/2rRYoSfzKG3b8cs60FnMo0Yae5S/vDFfq9bA==

GET
H/1.1 200
OK casino-online-europei.png
codebarbarian-images.s3.amazonaws.com/ 9 KB
10 KB 405ms
144ms Image
image/png 3.5.10.180
AMAZON-AES

General

Check archive.org

Show headers Download Go to Show image

Full URL: https://codebarbarian-images.s3.amazonaws.com/casino-online-europei.png
Requested by: Host: masteringjs.io
URL: https://masteringjs.io/
Protocol: HTTP/1.1
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
Server: 3.5.10.180 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS: s3-1-w.amazonaws.com
Software: AmazonS3 /
Resource Hash: 860bea5299fa8cf699557ca94daf7d2e789a22cfdf843727a4f3150216fcfa8b

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://masteringjs.io/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/112.0.5615.121 Safari/537.36

Response headers

Date: Wed, 19 Apr 2023 22:03:16 GMT
Last-Modified: Wed, 02 Feb 2022 16:05:24 GMT
Server: AmazonS3
x-amz-request-id: 1B1GJH4G98T4PW4J
ETag: "825c55aa4ee1fb5a511d5eacbe558fcb"
Content-Type: image/png
Accept-Ranges: bytes
Content-Length: 9541
x-amz-id-2: XwA8/Fq+yzGN77UoruPKhHBxnyqnS78XFFpHinJhWM5nq5a41attch8CAztHzj7NM9wzU9iLKvzfpOHkKsT8mA==

GET
H2 200 256.png
images.opencollective.com/correct-casinos/7cce33a/avatar/ 35 KB
35 KB 61ms
20ms Image
image/png 2606:4700:20::681a:d91
CLOUDFLARENET

General

Check archive.org

Show headers Download Go to Show image

Full URL: https://images.opencollective.com/correct-casinos/7cce33a/avatar/256.png
Requested by: Host: masteringjs.io
URL: https://masteringjs.io/
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 2606:4700:20::681a:d91 , United States, ASN13335 (CLOUDFLARENET, US),
Reverse DNS
Software: cloudflare / Express
Resource Hash: ad000e0b13d484b630e21db0a521a7f6dea29e8ba7a2cd50a001c4756915d4cf

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://masteringjs.io/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/112.0.5615.121 Safari/537.36

Response headers

date: Wed, 19 Apr 2023 22:03:15 GMT
via: 1.1 vegur
cf-cache-status: HIT
nel: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
age: 3073
x-powered-by: Express
alt-svc: h3=":443"; ma=86400, h3-29=":443"; ma=86400
content-length: 35686
server: cloudflare
etag: W/"8b66-d4rWu1K/h7WaXXlut3hQxqt27GI"
vary: Accept-Encoding
report-to: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=jh%2BW3x3JDqvMVVtIOZwFkQif47s0RV5P5rFu6YLPtvXgDXT8Cdl3gx%2BHBZhuVylxdPc9%2FApZBrlpA1aE0WWAjOQjmqUYTt9CV%2Fdl%2FiwdfTuGLZRcpZhHQ%2FWhF6WxmNeWgSvpsqS4KDbTWFO7IvZtot7YmPtsyGw%3D"}],"group":"cf-nel","max_age":604800}
content-type: image/png
cache-control: public, max-age=86400
accept-ranges: bytes
cf-ray: 7ba86fbd2831bbf8-FRA

GET
H/1.1 200
OK kong-casino.png
codebarbarian-images.s3.amazonaws.com/ 139 KB
140 KB 453ms
193ms Image
image/png 3.5.10.180
AMAZON-AES

General

Check archive.org

Show headers Download Go to Show image

Full URL: https://codebarbarian-images.s3.amazonaws.com/kong-casino.png
Requested by: Host: masteringjs.io
URL: https://masteringjs.io/
Protocol: HTTP/1.1
Security: TLS 1.2, ECDHE_RSA, AES_128_GCM
Server: 3.5.10.180 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS: s3-1-w.amazonaws.com
Software: AmazonS3 /
Resource Hash: 553bec5d867c5676d52b708c0d51899f1fc88ba6d847d0dfa6d998e4cf7aa207

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://masteringjs.io/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/112.0.5615.121 Safari/537.36

Response headers

Date: Wed, 19 Apr 2023 22:03:16 GMT
Last-Modified: Thu, 02 Jun 2022 02:12:00 GMT
Server: AmazonS3
x-amz-request-id: 1B1HF0M6BDTACR62
ETag: "f12b675f9c30fdeefccad0a4475a2884"
Content-Type: image/png
Accept-Ranges: bytes
Content-Length: 142822
x-amz-id-2: hhAm1D5P9RBW+c7qZk2U4Lf0r75t3JOheHbimLglcp5wEYUIeA4wIEN2oZv502rTZVN6nWn5fnl6WfOgDTl2YQ==

GET
H/1.1 200
OK wizard-slots.png
codebarbarian-images.s3.amazonaws.com/ 106 KB
106 KB 439ms
178ms Image
image/png 3.5.10.180
AMAZON-AES

General

Check archive.org

Show headers Download Go to Show image

Full URL: https://codebarbarian-images.s3.amazonaws.com/wizard-slots.png
Requested by: Host: masteringjs.io
URL: https://masteringjs.io/
Protocol: HTTP/1.1
Security: TLS 1.2, ECDHE_RSA, CHACHA20_POLY1305
Server: 3.5.10.180 Ashburn, United States, ASN14618 (AMAZON-AES, US),
Reverse DNS: s3-1-w.amazonaws.com
Software: AmazonS3 /
Resource Hash: cc6b0d78e70778125380de64015c63ffcdc133b4051a856119b9d06f1c2dc7ef

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://masteringjs.io/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/112.0.5615.121 Safari/537.36

Response headers

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User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/112.0.5615.121 Safari/537.36

Response headers

x-nf-request-id: 01GYDRP4PFKPA3W2GRY9QWYTV5
date: Wed, 19 Apr 2023 16:54:31 GMT
strict-transport-security: max-age=31536000
server: Netlify
age: 18524
etag: "75108ccc7a17ccf72a995480a3a2fda8-ssl"
content-type: image/svg+xml
cache-control: public, max-age=0, must-revalidate
accept-ranges: bytes
content-length: 990

GET
H2 200 mocha-transparent.svg
masteringjs.io/assets/ 8 KB
3 KB 172ms
171ms Image
image/svg+xml 75.2.60.5
AMAZON-02

General

Check archive.org

Show headers Download Go to Show image

Full URL

https://masteringjs.io/assets/mocha-transparent.svg

Requested by

Host: masteringjs.io
URL: https://masteringjs.io/assets/home.css

Protocol

Security

TLS 1.3, , AES_128_GCM

Server

75.2.60.5 , United States, ASN16509 (AMAZON-02, US),

Reverse DNS

acd89244c803f7181.awsglobalaccelerator.com

Software

Netlify /

Resource Hash

1affdf5ff8ac6e9e539c9e24dd31c703d05f3436a97e15f6740350d2aa2ca3b9

Security Headers

Name	Value
Strict-Transport-Security	max-age=31536000

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://masteringjs.io/assets/home.css
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/112.0.5615.121 Safari/537.36

Response headers

x-nf-request-id: 01GYDRP4PFW042Q574VMMET1RS
date: Wed, 19 Apr 2023 22:03:15 GMT
content-encoding: br
strict-transport-security: max-age=31536000
server: Netlify
age: 0
etag: "83b148ae755b6acfb2f5bb015eaef545-ssl-df"
vary: Accept-Encoding
content-type: image/svg+xml
cache-control: public, max-age=0, must-revalidate
accept-ranges: bytes

GET
H2 200 CE7DLKQY.json Show response
srv.carbonads.net/ads/ 1 KB
804 B 405ms
20ms Script
application/javascript 178.62.198.146
DIGITALOCEAN-ASN

General

Check archive.org

Show headers Download Go to

Full URL: https://srv.carbonads.net/ads/CE7DLKQY.json?segment=placement:masteringjsio&callback=_carbonads_go
Requested by: Host: cdn.carbonads.com
URL: https://cdn.carbonads.com/carbon.js?serve=CE7DLKQY&placement=masteringjsio
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 178.62.198.146 Amsterdam, Netherlands, ASN14061 (DIGITALOCEAN-ASN, US),
Reverse DNS: srv-eu-nl-14.buysellads.com
Software: //srv.buysellads.com /
Resource Hash: 835348e5547525ee4b163829ff5e837fa96cd019b38a240dc07043b4dab56437

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://masteringjs.io/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/112.0.5615.121 Safari/537.36

Response headers

access-control-allow-origin: *
date: Wed, 19 Apr 2023 22:03:15 GMT
content-encoding: gzip
server: //srv.buysellads.com
content-length: 687
vary: Accept-Encoding
content-type: application/javascript; charset=utf-8

GET
H2 200 1679663902-Indigo---260x200-2.jpg
cdn4.buysellads.net/uu/1/131163/ 6 KB
6 KB 218ms
10ms Image
image/jpeg 151.139.128.10
STACKPATH-CDN

General

Check archive.org

Show headers Download Go to Show image

Full URL: https://cdn4.buysellads.net/uu/1/131163/1679663902-Indigo---260x200-2.jpg
Requested by: Host: masteringjs.io
URL: https://masteringjs.io/
Protocol: H2
Security: TLS 1.3, , AES_128_GCM
Server: 151.139.128.10 , United States, ASN20446 (STACKPATH-CDN, US),
Reverse DNS: map3.hwcdn.net
Software: AmazonS3 /
Resource Hash: 259afc44f2f2edaff52b60093c375ee2dee1a39993215b585d60797785bd5493

Request headers

accept-language: de-DE,de;q=0.9
Referer: https://masteringjs.io/
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/112.0.5615.121 Safari/537.36

Response headers

date: Wed, 19 Apr 2023 22:03:16 GMT
last-modified: Fri, 24 Mar 2023 13:18:23 GMT
server: AmazonS3
x-amz-request-id: 6P6P4R1HZR1AYSDZ
etag: "e266d4753dbd553526e0f73f35510970"
x-amz-server-side-encryption: AES256
x-hw: 1681941796.cds334.fr8.hn,1681941796.cds341.fr8.c
content-type: image/jpeg
access-control-allow-origin: *
cache-control: max-age=3600
accept-ranges: bytes
content-length: 6269
x-amz-id-2: sH2Zrlfc1KdrrRP0+EWrv/+ibckFtxpB2+Ocjcrriap11+g/RMbcxLW1IkcGFXej7wqWKi/31BA=

Verdicts & Comments Add Verdict or Comment

7 JavaScript Global Variables

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

0 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.

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=31536000

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.

cdn.carbonads.com
cdn4.buysellads.net
codebarbarian-images.s3.amazonaws.com
fonts.googleapis.com
images.opencollective.com
masteringjs.io
s3.amazonaws.com
srv.carbonads.net
151.139.128.10
178.62.198.146
2606:4700:20::681a:d91
2a00:1450:4001:828::200a
3.5.10.180
52.217.73.70
75.2.60.5
1affdf5ff8ac6e9e539c9e24dd31c703d05f3436a97e15f6740350d2aa2ca3b9
259afc44f2f2edaff52b60093c375ee2dee1a39993215b585d60797785bd5493
39ae324b7c8d103aa8ad935168ec2bdf3bea2861045759073a730e5d6661bf28
3a172a444e4922ed4555aa402698d010e46d0790a6fb41f627539a39d91d4d39
3ba8ae0ad5337c907db2f030d136fb5d40f36592b865cbbee701f284e41685c0
48bd6876096cd83329550b450ad70779a9b454c40a0368acce99ab52b363d242
521c4d73460f047fa191ea77d58d58e5f9bc602f0c5164adf023dec912dd4637
553bec5d867c5676d52b708c0d51899f1fc88ba6d847d0dfa6d998e4cf7aa207
601049a456cbea512ce145512094b75b385b657936367dca3ec5b3afd4336bf9
66e95357886bb5b948e03e9406aa85542c57b69662964bd3105fc83a36d5f790
6914bd6818fdf05152e79d74670c8931741cac6c815e9afb8d2ac6ee34ad67ea
783bd7a338f3fd4644d4f46f9f0cbc95cd6fb4dc46cefc34248f4a68412b0018
82cf1c3b2a46f42e045e5766d3e688e67ea99691ba691b06b69a59a84f967c2c
835348e5547525ee4b163829ff5e837fa96cd019b38a240dc07043b4dab56437
860bea5299fa8cf699557ca94daf7d2e789a22cfdf843727a4f3150216fcfa8b
8e942d2b1d3cea72c0e2cc91d84a68f82e44d4dde02ccc58788246c6792831ef
a9c9a8d9efe16698f965dc194892aa94b5cb58ef1d1769e8800d24c6c83b119a
ad000e0b13d484b630e21db0a521a7f6dea29e8ba7a2cd50a001c4756915d4cf
b6d7fce3a4b862789b6305af93fb88732970238ef7209046166ba48c38262cb0
b9931010047cc15c047258b53bf510de677dbb1c252e18afc6645e01a3f5455e
bd000c86db227f413ce8d5b2e71d284738bc7dc1f02f61d7b66f12c32548a6f3
c093b922d1151abd1f98624864ed47465f25717e16ff197d2fd6f1a3405a1ac2
c33e8eba2be59d9b048cad07dbc0fc0080621f8ff1e69a5136a7196dd58efe0e
c432aabee2c8558e8285892cf0bb25676922068bae5102cc93c153171422314c
c49b9f7f425c61587def8dd7848dbbc619cefb6c42a080afb8c9a29abe55a8bb
cc6b0d78e70778125380de64015c63ffcdc133b4051a856119b9d06f1c2dc7ef
ccf1dccfeff22d72f05556f8064ea558d3414174eb8f1fa33c98d683a46cda0e
d50d34fa63bbb383aa2dc95053b114253f525c6126e0224304e546984b6a018a

masteringjs.io Open in urlscan Pro 75.2.60.5 Public Scan

Summary

urlscan.io Verdict: No classification

Domain & IP information

Screenshot Live screenshot Full Image

Page Title

Detected technologies

Page Statistics

28 Requests

100 %HTTPS

29 %IPv6

7 Domains

8 Subdomains

7 IPs

3 Countries

475 kBTransfer

543 kBSize

0 Cookies

14 Outgoing links

Redirected requests

28 HTTP transactions Everything HTML Script AJAX CSS Image Expand all 0 data transactions

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Verdicts & Comments Add Verdict or Comment

7 JavaScript Global Variables

0 Cookies

masteringjs.io Open in urlscan Pro
75.2.60.5 Public Scan

Screenshot
Live screenshot

Full Image

28
Requests

100 %
HTTPS

29 %
IPv6

7
Domains

8
Subdomains

7
IPs

3
Countries

475 kB
Transfer

543 kB
Size

0
Cookies

28 HTTP transactions
0 data transactions