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and-engineer.com Open in urlscan Pro
76.76.21.21  Public Scan

Go To Rescan Add Verdict Report
URL: https://and-engineer.com/articles/YUrUYBAAACUA2zGd
Submission: On October 25 via manual from JP — Scanned from DE
 Behaviour Indicators
Similar DOM Content API
Verdicts

Summary

This website contacted 19 IPs in 4 countries across 13 domains to perform 79 HTTP transactions. The main IP is 76.76.21.21, located in Charlotte, United States and belongs to AMAZON-02, US. The main domain is and-engineer.com.
TLS certificate: Issued by R3 on October 8th 2021. Valid for: 3 months.
This is the only time and-engineer.com was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

35    76.76.21.21 (Charlotte, United States)

ASN16509 (AMAZON-02, US)
and-engineer.com
4    2606:2800:234:59:254c:406:2366:268c (United States)

ASN15133 (EDGECAST, US)
platform.twitter.com
1    2600:9000:214f:9000:6:ea06:d140:93a1 (United States)

ASN16509 (AMAZON-02, US)
static.cdn.prismic.io
1    199.232.136.157 (United States)

ASN54113 (FASTLY, US)
static.ads-twitter.com
1    52.21.229.234 (Ashburn, United States)

ASN14618 (AMAZON-AES, US)
PTR: ec2-52-21-229-234.compute-1.amazonaws.com
and-engineer.prismic.io
2    104.244.42.3 (United States)

ASN13414 (TWITTER, US)
analytics.twitter.com
2    104.244.42.197 (United States)

ASN13414 (TWITTER, US)
t.co
2    2600:9000:214f:5800:6:ea06:d140:93a1 (United States)

ASN16509 (AMAZON-02, US)
and-engineer.cdn.prismic.io
1    2001:4860:4802:36::36 (United States)

ASN15169 (GOOGLE, US)
asia-northeast1-mynavi-and-engineer-prod.cloudfunctions.net
1    2a00:1450:4001:800::2008 (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)
www.googletagmanager.com
20    2a04:4e42:1b::720 (Ascension Island)

ASN54113 (FASTLY, US)
images.prismic.io
1    52.222.236.113 (Seattle, United States)

ASN16509 (AMAZON-02, US)
PTR: server-52-222-236-113.fra56.r.cloudfront.net
b.st-hatena.com
2    104.244.42.200 (United States)

ASN13414 (TWITTER, US)
syndication.twitter.com
2    2a00:1450:4001:80e::200e (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)
www.google-analytics.com
1    2a00:1450:4001:82f::200a (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)
fonts.googleapis.com
1    2a00:1450:400c:c1b::9d (Brussels, Belgium)

ASN15169 (GOOGLE, US)
stats.g.doubleclick.net
1    2a00:1450:4001:800::2004 (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)
www.google.com
1    2a00:1450:4001:80f::2003 (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)
www.google.de
Domain Requested by
35 and-engineer.com and-engineer.com
20 images.prismic.io and-engineer.com
4 platform.twitter.com and-engineer.com
platform.twitter.com
2 www.google-analytics.com www.googletagmanager.com
www.google-analytics.com
2 syndication.twitter.com platform.twitter.com
and-engineer.com
2 and-engineer.cdn.prismic.io and-engineer.com
2 t.co and-engineer.com
2 analytics.twitter.com static.ads-twitter.com
1 www.google.de and-engineer.com
1 www.google.com and-engineer.com
1 stats.g.doubleclick.net www.google-analytics.com
1 fonts.googleapis.com and-engineer.prismic.io
1 b.st-hatena.com and-engineer.com
1 www.googletagmanager.com and-engineer.com
1 asia-northeast1-mynavi-and-engineer-prod.cloudfunctions.net static.cdn.prismic.io
1 and-engineer.prismic.io static.cdn.prismic.io
1 static.ads-twitter.com and-engineer.com
1 static.cdn.prismic.io and-engineer.com
79 18
Subject Issuer Validity Valid
and-engineer.com
R3		 2021-10-08 -
2022-01-06		 3 months crt.sh
*.twimg.com
DigiCert TLS RSA SHA256 2020 CA1		 2020-11-05 -
2021-11-09		 a year crt.sh
*.cdn.prismic.io
Amazon		 2021-08-09 -
2022-09-07		 a year crt.sh
ads-twitter.com
DigiCert TLS RSA SHA256 2020 CA1		 2021-07-21 -
2022-07-26		 a year crt.sh
*.prismic.io
Amazon		 2021-09-24 -
2022-10-23		 a year crt.sh
*.twitter.com
DigiCert TLS RSA SHA256 2020 CA1		 2021-02-05 -
2022-02-04		 a year crt.sh
t.co
DigiCert TLS RSA SHA256 2020 CA1		 2021-02-05 -
2022-02-04		 a year crt.sh
misc.google.com
GTS CA 1C3		 2021-09-13 -
2021-11-20		 2 months crt.sh
*.google-analytics.com
GTS CA 1C3		 2021-10-04 -
2021-12-27		 3 months crt.sh
*.cartrawler.com
GlobalSign Atlas R3 DV TLS CA 2020		 2021-05-11 -
2022-06-12		 a year crt.sh
*.b.st-hatena.com
Amazon		 2021-09-26 -
2022-10-25		 a year crt.sh
syndication.twitter.com
DigiCert TLS RSA SHA256 2020 CA1		 2021-02-05 -
2022-02-04		 a year crt.sh
upload.video.google.com
GTS CA 1C3		 2021-10-04 -
2021-12-27		 3 months crt.sh
*.g.doubleclick.net
GTS CA 1C3		 2021-10-04 -
2021-12-27		 3 months crt.sh
www.google.com
GTS CA 1C3		 2021-10-04 -
2021-12-27		 3 months crt.sh
www.google.de
GTS CA 1C3		 2021-10-04 -
2021-12-27		 3 months crt.sh

This page contains 4 frames:

Primary Page: https://and-engineer.com/articles/YUrUYBAAACUA2zGd
Frame ID: F9EB4FAFADC41050D3BEE6610D4D29A4
Requests: 74 HTTP requests in this frame

Frame: https://and-engineer.prismic.io/prismic-toolbar/4.0.7/iframe.html
Frame ID: 5601AA77B9DAF8244241C1EA7CAC6481
Requests: 2 HTTP requests in this frame

Frame: https://platform.twitter.com/widgets/widget_iframe.a53eecb4584348a2ad32ec2ae21f6eae.html?origin=https%3A%2F%2Fand-engineer.com
Frame ID: 08A9A1D2A2BD0A7E379821E950F4BA42
Requests: 2 HTTP requests in this frame

Frame: https://platform.twitter.com/widgets/follow_button.a53eecb4584348a2ad32ec2ae21f6eae.ja.html
Frame ID: 7695FAEA6250EE8FAAA2A6A947F5C290
Requests: 2 HTTP requests in this frame

Screenshot
Live screenshot
Full Image

Page Title

JSONファイルとは？基本構造からファイルの読み書き方法まで解説 | アンドエンジニア

Detected technologies

Overall confidence: 100%
Detected patterns
  • google-analytics\.com/(?:ga|urchin|analytics)\.js
Overall confidence: 100%
Detected patterns
  • googletagmanager\.com/ns\.html[^>]+></iframe>
  • googletagmanager\.com/gtm\.js
Overall confidence: 100%
Detected patterns
  • //platform\.twitter\.com/widgets\.js

Page Statistics

79
Requests

100 %
HTTPS

61 %
IPv6

13
Domains

18
Subdomains

19
IPs

4
Countries

1438 kB
Transfer

2747 kB
Size

4
Cookies

Redirected requests

There were HTTP redirect chains for the following requests:

79 HTTP transactions

Resource
Path		 Size
x-fer		 Type
MIME-Type
Primary Request YUrUYBAAACUA2zGd
and-engineer.com/articles/ 		282 KB
68 KB 		Document
General
Check archive.org
Download Go to
Full URL
https://and-engineer.com/articles/YUrUYBAAACUA2zGd
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
76.76.21.21 Charlotte, United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
Vercel / Next.js
Resource Hash
e48383af3f6a299293d8415c663e948a161f1afdb662f1024b597717bf709958
Security Headers
Name Value
Strict-Transport-Security max-age=63072000

Request headers

:method
GET
:authority
and-engineer.com
:scheme
https
:path
/articles/YUrUYBAAACUA2zGd
pragma
no-cache
cache-control
no-cache
upgrade-insecure-requests
1
user-agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/93.0.4577.63 Safari/537.36
accept-language
de-DE,de;q=0.9
accept
text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9
sec-fetch-site
none
sec-fetch-mode
navigate
sec-fetch-user
?1
sec-fetch-dest
document
accept-encoding
gzip, deflate, br
Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/93.0.4577.63 Safari/537.36
Accept-Language
de-DE,de;q=0.9

Response headers

content-type
text/html; charset=utf-8
x-matched-path
/articles/[articleId]
cache-control
public, max-age=0, must-revalidate
x-powered-by
Next.js
date
Sat, 23 Oct 2021 23:01:52 GMT
etag
W/"4685d-q9wbKH8rMo1eL7pS3DT4x2JPp/M"
x-vercel-cache
STALE
age
97644
server
Vercel
x-vercel-id
fra1::iad1::z7twm-1635127756654-0cc34c3701bc
strict-transport-security
max-age=63072000
content-encoding
br
webpack-865d518b9c165cd06dab.js
and-engineer.com/_next/static/chunks/ 		2 KB
1 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://and-engineer.com/_next/static/chunks/webpack-865d518b9c165cd06dab.js
Requested by
Host: and-engineer.com
URL: https://and-engineer.com/articles/YUrUYBAAACUA2zGd
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
76.76.21.21 Charlotte, United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
Vercel /
Resource Hash
69156650d3bfa934df54121f40b72aa9d3b22483224e1851edba1ee6977b4f01
Security Headers
Name Value
Strict-Transport-Security max-age=63072000

Request headers

:path
/_next/static/chunks/webpack-865d518b9c165cd06dab.js
pragma
no-cache
accept-encoding
gzip, deflate, br
accept-language
de-DE,de;q=0.9
user-agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/93.0.4577.63 Safari/537.36
sec-fetch-mode
no-cors
accept
*/*
cache-control
no-cache
sec-fetch-dest
script
:authority
and-engineer.com
referer
https://and-engineer.com/articles/YUrUYBAAACUA2zGd
:scheme
https
sec-fetch-site
same-origin
:method
GET
Accept-Language
de-DE,de;q=0.9
Referer
https://and-engineer.com/articles/YUrUYBAAACUA2zGd
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/93.0.4577.63 Safari/537.36

Response headers

date
Mon, 25 Oct 2021 02:09:17 GMT
content-encoding
br
server
Vercel
age
462438
x-matched-path
/_next/static/chunks/webpack-865d518b9c165cd06dab.js
etag
W/"69156650d3bfa934df54121f40b72aa9d3b22483224e1851edba1ee6977b4f01"
x-vercel-id
fra1:fra1::z7twm-1635127757036-9e1a5d49d98d
content-type
application/javascript; charset=utf-8
access-control-allow-origin
*
cache-control
public,max-age=31536000,immutable
content-disposition
inline; filename="webpack-865d518b9c165cd06dab.js"
strict-transport-security
max-age=63072000
x-vercel-cache
HIT
framework-5eef9eabdfe0904655dc.js
and-engineer.com/_next/static/chunks/ 		128 KB
43 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://and-engineer.com/_next/static/chunks/framework-5eef9eabdfe0904655dc.js
Requested by
Host: and-engineer.com
URL: https://and-engineer.com/articles/YUrUYBAAACUA2zGd
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
76.76.21.21 Charlotte, United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
Vercel /
Resource Hash
7353170d79f524abc0dc35a1b4ffebfad12911c012eec61fe2ed8a04c52a70be
Security Headers
Name Value
Strict-Transport-Security max-age=63072000

Request headers

:path
/_next/static/chunks/framework-5eef9eabdfe0904655dc.js
pragma
no-cache
accept-encoding
gzip, deflate, br
accept-language
de-DE,de;q=0.9
user-agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/93.0.4577.63 Safari/537.36
sec-fetch-mode
no-cors
accept
*/*
cache-control
no-cache
sec-fetch-dest
script
:authority
and-engineer.com
referer
https://and-engineer.com/articles/YUrUYBAAACUA2zGd
:scheme
https
sec-fetch-site
same-origin
:method
GET
Accept-Language
de-DE,de;q=0.9
Referer
https://and-engineer.com/articles/YUrUYBAAACUA2zGd
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/93.0.4577.63 Safari/537.36

Response headers

date
Mon, 25 Oct 2021 02:09:17 GMT
content-encoding
br
server
Vercel
age
462438
x-matched-path
/_next/static/chunks/framework-5eef9eabdfe0904655dc.js
etag
W/"7353170d79f524abc0dc35a1b4ffebfad12911c012eec61fe2ed8a04c52a70be"
x-vercel-id
fra1:fra1::z7twm-1635127757038-f6f098f60bfd
content-type
application/javascript; charset=utf-8
access-control-allow-origin
*
cache-control
public,max-age=31536000,immutable
content-disposition
inline; filename="framework-5eef9eabdfe0904655dc.js"
strict-transport-security
max-age=63072000
x-vercel-cache
HIT
3433-50736b2ef495b4577c89.js
and-engineer.com/_next/static/chunks/ 		38 KB
14 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://and-engineer.com/_next/static/chunks/3433-50736b2ef495b4577c89.js
Requested by
Host: and-engineer.com
URL: https://and-engineer.com/articles/YUrUYBAAACUA2zGd
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
76.76.21.21 Charlotte, United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
Vercel /
Resource Hash
8f83fd8ca7e7762f5d8666e4cdf24eea4b37bf19d4c76c2cb6de6809b2bfb38b
Security Headers
Name Value
Strict-Transport-Security max-age=63072000

Request headers

:path
/_next/static/chunks/3433-50736b2ef495b4577c89.js
pragma
no-cache
accept-encoding
gzip, deflate, br
accept-language
de-DE,de;q=0.9
user-agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/93.0.4577.63 Safari/537.36
sec-fetch-mode
no-cors
accept
*/*
cache-control
no-cache
sec-fetch-dest
script
:authority
and-engineer.com
referer
https://and-engineer.com/articles/YUrUYBAAACUA2zGd
:scheme
https
sec-fetch-site
same-origin
:method
GET
Accept-Language
de-DE,de;q=0.9
Referer
https://and-engineer.com/articles/YUrUYBAAACUA2zGd
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/93.0.4577.63 Safari/537.36

Response headers

date
Mon, 25 Oct 2021 02:09:17 GMT
content-encoding
br
server
Vercel
age
462438
x-matched-path
/_next/static/chunks/3433-50736b2ef495b4577c89.js
etag
W/"8f83fd8ca7e7762f5d8666e4cdf24eea4b37bf19d4c76c2cb6de6809b2bfb38b"
x-vercel-id
fra1:fra1::z7twm-1635127757038-060e88e265ed
content-type
application/javascript; charset=utf-8
access-control-allow-origin
*
cache-control
public,max-age=31536000,immutable
content-disposition
inline; filename="3433-50736b2ef495b4577c89.js"
strict-transport-security
max-age=63072000
x-vercel-cache
HIT
284-fecfde544048fc3bec8d.js
and-engineer.com/_next/static/chunks/ 		20 KB
8 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://and-engineer.com/_next/static/chunks/284-fecfde544048fc3bec8d.js
Requested by
Host: and-engineer.com
URL: https://and-engineer.com/articles/YUrUYBAAACUA2zGd
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
76.76.21.21 Charlotte, United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
Vercel /
Resource Hash
04cf3799e6b618a1be19d72cdab73f58b88192ec3c7b631c5ad32dbcc75566bf
Security Headers
Name Value
Strict-Transport-Security max-age=63072000

Request headers

:path
/_next/static/chunks/284-fecfde544048fc3bec8d.js
pragma
no-cache
accept-encoding
gzip, deflate, br
accept-language
de-DE,de;q=0.9
user-agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/93.0.4577.63 Safari/537.36
sec-fetch-mode
no-cors
accept
*/*
cache-control
no-cache
sec-fetch-dest
script
:authority
and-engineer.com
referer
https://and-engineer.com/articles/YUrUYBAAACUA2zGd
:scheme
https
sec-fetch-site
same-origin
:method
GET
Accept-Language
de-DE,de;q=0.9
Referer
https://and-engineer.com/articles/YUrUYBAAACUA2zGd
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/93.0.4577.63 Safari/537.36

Response headers

date
Mon, 25 Oct 2021 02:09:17 GMT
content-encoding
br
server
Vercel
age
462438
x-matched-path
/_next/static/chunks/284-fecfde544048fc3bec8d.js
etag
W/"04cf3799e6b618a1be19d72cdab73f58b88192ec3c7b631c5ad32dbcc75566bf"
x-vercel-id
fra1:fra1::z7twm-1635127757038-8594ba0ac86c
content-type
application/javascript; charset=utf-8
access-control-allow-origin
*
cache-control
public,max-age=31536000,immutable
content-disposition
inline; filename="284-fecfde544048fc3bec8d.js"
strict-transport-security
max-age=63072000
x-vercel-cache
HIT
main-50311b88ab4c20209d7c.js
and-engineer.com/_next/static/chunks/ 		182 B
387 B 		Script
General
Check archive.org
Download Go to
Full URL
https://and-engineer.com/_next/static/chunks/main-50311b88ab4c20209d7c.js
Requested by
Host: and-engineer.com
URL: https://and-engineer.com/articles/YUrUYBAAACUA2zGd
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
76.76.21.21 Charlotte, United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
Vercel /
Resource Hash
80d7015cf8e61ed98a7056353ff76e3c672fd64aa7ce0b53728f7ab36a4211bf
Security Headers
Name Value
Strict-Transport-Security max-age=63072000

Request headers

:path
/_next/static/chunks/main-50311b88ab4c20209d7c.js
pragma
no-cache
accept-encoding
gzip, deflate, br
accept-language
de-DE,de;q=0.9
user-agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/93.0.4577.63 Safari/537.36
sec-fetch-mode
no-cors
accept
*/*
cache-control
no-cache
sec-fetch-dest
script
:authority
and-engineer.com
referer
https://and-engineer.com/articles/YUrUYBAAACUA2zGd
:scheme
https
sec-fetch-site
same-origin
:method
GET
Accept-Language
de-DE,de;q=0.9
Referer
https://and-engineer.com/articles/YUrUYBAAACUA2zGd
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/93.0.4577.63 Safari/537.36

Response headers

date
Mon, 25 Oct 2021 02:09:17 GMT
server
Vercel
age
462437
x-matched-path
/_next/static/chunks/main-50311b88ab4c20209d7c.js
etag
W/"80d7015cf8e61ed98a7056353ff76e3c672fd64aa7ce0b53728f7ab36a4211bf"
x-vercel-id
fra1:fra1::z7twm-1635127757038-f7144a0f2f38
content-type
application/javascript; charset=utf-8
access-control-allow-origin
*
cache-control
public,max-age=31536000,immutable
content-disposition
inline; filename="main-50311b88ab4c20209d7c.js"
strict-transport-security
max-age=63072000
accept-ranges
bytes
x-vercel-cache
HIT
content-length
182
252f366e-4884a7de5e7df88a344e.js
and-engineer.com/_next/static/chunks/ 		1 KB
727 B 		Script
General
Check archive.org
Download Go to
Full URL
https://and-engineer.com/_next/static/chunks/252f366e-4884a7de5e7df88a344e.js
Requested by
Host: and-engineer.com
URL: https://and-engineer.com/articles/YUrUYBAAACUA2zGd
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
76.76.21.21 Charlotte, United States, ASN16509 (AMAZON-02, US),
Reverse DNS
Software
Vercel /
Resource Hash
243a872611a871f0ced1dae2dadb942cdad60bfb6d6b230646497c63c41479ac
Security Headers
Name Value
Strict-Transport-Security max-age=63072000

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imgix
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Verdicts & Comments Add Verdict or Comment

29 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.

object| 0 object| 1 object| 2 object| 3 object| onbeforexrselect boolean| originAgentCluster function| twq object| twttr object| PrismicToolbar object| prismic object| __twttrll object| __twttr object| webpackChunk_N_E object| regeneratorRuntime object| __NEXT_DATA__ function| __SSG_MANIFEST_CB object| __NEXT_P object| next undefined| _N_E object| dataLayer object| __BUILD_MANIFEST object| __SSG_MANIFEST object| google_tag_manager object| google_tag_data string| GoogleAnalyticsObject function| ga object| gaplugins object| gaGlobal object| gaData

4 Cookies

Domain/Path Name / Value
.twitter.com/ Name: personalization_id
Value: "v1_O38tA59t6PRvvoi9dia3Ig=="
.and-engineer.com/ Name: _ga
Value: GA1.2.1513254580.1635127758
.and-engineer.com/ Name: _gid
Value: GA1.2.1352637631.1635127758
.and-engineer.com/ Name: _gat_UA-41895878-25
Value: 1

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.

analytics.twitter.com
and-engineer.cdn.prismic.io
and-engineer.com
and-engineer.prismic.io
asia-northeast1-mynavi-and-engineer-prod.cloudfunctions.net
b.st-hatena.com
fonts.googleapis.com
images.prismic.io
platform.twitter.com
static.ads-twitter.com
static.cdn.prismic.io
stats.g.doubleclick.net
syndication.twitter.com
t.co
www.google-analytics.com
www.google.com
www.google.de
www.googletagmanager.com
104.244.42.197
104.244.42.200
104.244.42.3
199.232.136.157
2001:4860:4802:36::36
2600:9000:214f:5800:6:ea06:d140:93a1
2600:9000:214f:9000:6:ea06:d140:93a1
2606:2800:234:59:254c:406:2366:268c
2a00:1450:4001:800::2004
2a00:1450:4001:800::2008
2a00:1450:4001:80e::200e
2a00:1450:4001:80f::2003
2a00:1450:4001:82f::200a
2a00:1450:400c:c1b::9d
2a04:4e42:1b::720
52.21.229.234
52.222.236.113
76.76.21.21
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4a2e7e385ca18ae606ba120fc54b65ba74f1b86349926b9a8b0bc755d028744c
4a9e271e79ec384c3b7e57fa72c253f9bcfd56b79a7e2e1039b6884981dd6ebc
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726906ee6ce6dfe1b6e35ddad151196c50277e31520de30e916e9cd9affc0ef3
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fc6e26cd5d6bff9445a7252b64f29be62d64d3426125b37e0d9b33fa7ea3183a
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