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regex101.com Open in urlscan Pro
2a01:4f8:1c1c:13a4::1  Public Scan

Go To Rescan Add Verdict Report
Submitted URL: http://regex101.com/
Effective URL: https://regex101.com/
Submission: On August 13 via manual from US — Scanned from DE
 Behaviour Indicators
Similar DOM Content API
Verdicts

Summary

This website contacted 6 IPs in 2 countries across 4 domains to perform 15 HTTP transactions. The main IP is 2a01:4f8:1c1c:13a4::1, located in Gunzenhausen, Germany and belongs to HETZNER-AS, DE. The main domain is regex101.com. The Cisco Umbrella rank of the primary domain is 341613.
TLS certificate: Issued by E6 on June 23rd 2024. Valid for: 3 months.
This is the only time regex101.com was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

IP Address AS Autonomous System
8 2a01:4f8:1c1c... 24940 (HETZNER-AS)
1 2a00:1450:400... 15169 (GOOGLE)
2 195.201.221.111 24940 (HETZNER-AS)
2 2a00:1450:400... 15169 (GOOGLE)
1 152.42.150.143 14061 (DIGITALOC...)
15 6
8    2a01:4f8:1c1c:13a4::1 (Gunzenhausen, Germany)

ASN24940 (HETZNER-AS, DE)
regex101.com
1    2a00:1450:4001:82f::200a (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)
fonts.googleapis.com
2    195.201.221.111 (Gunzenhausen, Germany)

ASN24940 (HETZNER-AS, DE)
PTR: static.111.221.201.195.clients.your-server.de
analytics.regex101.com
2    2a00:1450:4001:800::2003 (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)
fonts.gstatic.com
1    152.42.150.143 (Amsterdam, Netherlands)

ASN14061 (DIGITALOCEAN-ASN, US)
srv.buysellads.com
Apex Domain
Subdomains		 Transfer
10 regex101.com
regex101.com — Cisco Umbrella Rank: 341613
analytics.regex101.com — Cisco Umbrella Rank: 877963
296 KB
2 gstatic.com
fonts.gstatic.com
69 KB
1 buysellads.com
srv.buysellads.com — Cisco Umbrella Rank: 34181
814 B
1 googleapis.com
fonts.googleapis.com — Cisco Umbrella Rank: 110
3 KB
15 4
Domain Requested by
8 regex101.com regex101.com
2 fonts.gstatic.com fonts.googleapis.com
2 analytics.regex101.com regex101.com
analytics.regex101.com
1 srv.buysellads.com regex101.com
1 fonts.googleapis.com regex101.com
15 5

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

Domain
digidib.dev
srv.buysellads.com
discover.buysellads.com
Subject Issuer Validity Valid
regex101.com
E6		 2024-06-23 -
2024-09-21		 3 months crt.sh
upload.video.google.com
WR2		 2024-07-30 -
2024-10-22		 3 months crt.sh
analytics.regex101.com
R11		 2024-07-17 -
2024-10-15		 3 months crt.sh
*.gstatic.com
WR2		 2024-07-30 -
2024-10-22		 3 months crt.sh
*.buysellads.com
E5		 2024-06-07 -
2024-09-05		 3 months crt.sh

This page contains 1 frames:

Primary Page: https://regex101.com/
Frame ID: 28EFA653B7F40D6449346393182C0202
Requests: 16 HTTP requests in this frame

Screenshot
Live screenshot
Full Image

Page Title

regex101: build, test, and debug regex

Page URL History Show full URLs

  1. http://regex101.com/ HTTP 307
    https://regex101.com/ Page URL

Detected technologies

Overall confidence: 100%
Detected patterns
  • <link[^>]* href=[^>]+fonts\.(?:googleapis|google)\.com

Page Statistics

15
Requests

93 %
HTTPS

60 %
IPv6

4
Domains

5
Subdomains

6
IPs

2
Countries

368 kB
Transfer

1276 kB
Size

0
Cookies

Page URL History

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

  1. http://regex101.com/ HTTP 307
    https://regex101.com/ Page URL

Redirected requests

There were HTTP redirect chains for the following requests:

15 HTTP transactions

Resource
Path		 Size
x-fer		 Type
MIME-Type
Primary Request /
regex101.com/
Redirect Chain
  • http://regex101.com/
  • https://regex101.com/
56 KB
12 KB 		Document
General
Check archive.org
Download Go to
Full URL
https://regex101.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a01:4f8:1c1c:13a4::1 Gunzenhausen, Germany, ASN24940 (HETZNER-AS, DE),
Reverse DNS
Software
nginx /
Resource Hash
09e2138794443b671de87f3fa11bf7323f3a2fb53caac1445521453e14e1c59a
Security Headers
Name Value
Content-Security-Policy default-src 'self' 'unsafe-eval' http: https: data: blob: 'unsafe-inline'
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block

Request headers

Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36

Response headers

content-encoding
br
content-security-policy
default-src 'self' 'unsafe-eval' http: https: data: blob: 'unsafe-inline'
content-type
text/html; charset=utf-8
date
Tue, 13 Aug 2024 20:40:14 GMT
etag
W/"de7c-FHxzRbq1gX7AbUzrjCxBgvXjIXQ"
referrer-policy
no-referrer-when-downgrade
server
nginx
service-worker-allowed
/
strict-transport-security
max-age=31536000; includeSubDomains; preload
vary
Accept-Encoding
x-content-type-options
nosniff
x-frame-options
SAMEORIGIN
x-xss-protection
1; mode=block

Redirect headers

Cross-Origin-Resource-Policy
Cross-Origin
Location
https://regex101.com/
Non-Authoritative-Reason
HSTS
css2
fonts.googleapis.com/ 		36 KB
3 KB 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://fonts.googleapis.com/css2?family=Open+Sans:ital,wght@0,300;0,400;0,600;0,700;1,400&family=Source+Code+Pro:wght@400;500;700&display=swap
Requested by
Host: regex101.com
URL: https://regex101.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:82f::200a Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
ESF /
Resource Hash
dd7f9415c55b92d27b348c72354348b506a82d7ace26a1ee175f46caa19e079e
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

Referer
https://regex101.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36

Response headers

strict-transport-security
max-age=31536000
date
Tue, 13 Aug 2024 20:40:14 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
Tue, 13 Aug 2024 20:40:14 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
Tue, 13 Aug 2024 20:40:14 GMT
plausible.js
analytics.regex101.com/js/ 		1 KB
2 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://analytics.regex101.com/js/plausible.js
Requested by
Host: regex101.com
URL: https://regex101.com/
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_128_GCM
Server
195.201.221.111 Gunzenhausen, Germany, ASN24940 (HETZNER-AS, DE),
Reverse DNS
static.111.221.201.195.clients.your-server.de
Software
nginx/1.18.0 (Ubuntu) /
Resource Hash
021f0fd27042b279a49e982215c6dc3c3ab84e95b35553a119dfdbd50af6be94
Security Headers
Name Value
X-Content-Type-Options nosniff

Request headers

Referer
https://regex101.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36

Response headers

Date
Tue, 13 Aug 2024 20:40:14 GMT
x-content-type-options
nosniff
Server
nginx/1.18.0 (Ubuntu)
Content-Type
application/javascript
access-control-allow-origin
*
cache-control
public, max-age=86400, must-revalidate
cross-origin-resource-policy
cross-origin
Connection
keep-alive
Content-Length
1346
vendors-quickref.d60f92211d58a785aae9.chunk.js
regex101.com/static/ 		981 B
907 B 		Script
General
Check archive.org
Download Go to
Full URL
https://regex101.com/static/vendors-quickref.d60f92211d58a785aae9.chunk.js
Requested by
Host: regex101.com
URL: https://regex101.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a01:4f8:1c1c:13a4::1 Gunzenhausen, Germany, ASN24940 (HETZNER-AS, DE),
Reverse DNS
Software
nginx /
Resource Hash
3520026bcfa151442a4b948c81527cd6188798101a0f8b6a7b855f6e1ee0b8df
Security Headers
Name Value
Content-Security-Policy default-src 'self' 'unsafe-eval' http: https: data: blob: 'unsafe-inline'
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block

Request headers

Referer
https://regex101.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36

Response headers

date
Tue, 13 Aug 2024 20:40:14 GMT
content-encoding
br
x-content-type-options
nosniff
content-security-policy
default-src 'self' 'unsafe-eval' http: https: data: blob: 'unsafe-inline'
strict-transport-security
max-age=31536000; includeSubDomains; preload
content-length
448
x-xss-protection
1; mode=block
service-worker-allowed
/
referrer-policy
no-referrer-when-downgrade
last-modified
Sun, 19 May 2024 15:44:17 GMT
server
nginx
etag
"664a1e51-1c0"
vary
Accept-Encoding
x-frame-options
SAMEORIGIN
content-type
application/javascript; charset=utf-8
cache-control
max-age=31536000
expires
Wed, 13 Aug 2025 20:40:14 GMT
67.1e6bcc59a320bcfdecbc.css
regex101.com/static/ 		2 KB
1 KB 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://regex101.com/static/67.1e6bcc59a320bcfdecbc.css
Requested by
Host: regex101.com
URL: https://regex101.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a01:4f8:1c1c:13a4::1 Gunzenhausen, Germany, ASN24940 (HETZNER-AS, DE),
Reverse DNS
Software
nginx /
Resource Hash
3b02a6ddd1cec396b99c5a42dbf3f6c8f549e45dd3144f028e169fc1a02454a2
Security Headers
Name Value
Content-Security-Policy default-src 'self' 'unsafe-eval' http: https: data: blob: 'unsafe-inline'
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block

Request headers

Referer
https://regex101.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36

Response headers

date
Tue, 13 Aug 2024 20:40:14 GMT
content-encoding
br
x-content-type-options
nosniff
content-security-policy
default-src 'self' 'unsafe-eval' http: https: data: blob: 'unsafe-inline'
strict-transport-security
max-age=31536000; includeSubDomains; preload
content-length
820
x-xss-protection
1; mode=block
service-worker-allowed
/
referrer-policy
no-referrer-when-downgrade
last-modified
Sun, 19 May 2024 15:44:16 GMT
server
nginx
etag
"664a1e50-334"
vary
Accept-Encoding
x-frame-options
SAMEORIGIN
content-type
text/css
cache-control
max-age=31536000
expires
Wed, 13 Aug 2025 20:40:14 GMT
quickref.0c6b308ff143bc983949.chunk.js
regex101.com/static/ 		116 KB
18 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://regex101.com/static/quickref.0c6b308ff143bc983949.chunk.js
Requested by
Host: regex101.com
URL: https://regex101.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a01:4f8:1c1c:13a4::1 Gunzenhausen, Germany, ASN24940 (HETZNER-AS, DE),
Reverse DNS
Software
nginx /
Resource Hash
89bb9ebd12ea71896323079ebc9b3f3065a2301978888aa5dab671c923eb665e
Security Headers
Name Value
Content-Security-Policy default-src 'self' 'unsafe-eval' http: https: data: blob: 'unsafe-inline'
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block

Request headers

Referer
https://regex101.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36

Response headers

date
Tue, 13 Aug 2024 20:40:14 GMT
content-encoding
br
x-content-type-options
nosniff
content-security-policy
default-src 'self' 'unsafe-eval' http: https: data: blob: 'unsafe-inline'
strict-transport-security
max-age=31536000; includeSubDomains; preload
content-length
17720
x-xss-protection
1; mode=block
service-worker-allowed
/
referrer-policy
no-referrer-when-downgrade
last-modified
Sun, 19 May 2024 15:44:17 GMT
server
nginx
etag
"664a1e51-4538"
vary
Accept-Encoding
x-frame-options
SAMEORIGIN
content-type
application/javascript; charset=utf-8
cache-control
max-age=31536000
expires
Wed, 13 Aug 2025 20:40:14 GMT
vendors-bundle.34d914cfcb77ca820fbb.js
regex101.com/static/ 		559 KB
155 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://regex101.com/static/vendors-bundle.34d914cfcb77ca820fbb.js
Requested by
Host: regex101.com
URL: https://regex101.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a01:4f8:1c1c:13a4::1 Gunzenhausen, Germany, ASN24940 (HETZNER-AS, DE),
Reverse DNS
Software
nginx /
Resource Hash
6feac12f140f855eb886ad97c6d3d195542fa7b1ae8e7a5e0c725de258e2beba
Security Headers
Name Value
Content-Security-Policy default-src 'self' 'unsafe-eval' http: https: data: blob: 'unsafe-inline'
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block

Request headers

Referer
https://regex101.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36

Response headers

date
Tue, 13 Aug 2024 20:40:14 GMT
content-encoding
br
x-content-type-options
nosniff
content-security-policy
default-src 'self' 'unsafe-eval' http: https: data: blob: 'unsafe-inline'
strict-transport-security
max-age=31536000; includeSubDomains; preload
content-length
158310
x-xss-protection
1; mode=block
service-worker-allowed
/
referrer-policy
no-referrer-when-downgrade
last-modified
Sun, 19 May 2024 15:44:17 GMT
server
nginx
etag
"664a1e51-26a66"
vary
Accept-Encoding
x-frame-options
SAMEORIGIN
content-type
application/javascript; charset=utf-8
cache-control
max-age=31536000
expires
Wed, 13 Aug 2025 20:40:14 GMT
23.db847e30c74aff098961.css
regex101.com/static/ 		64 KB
14 KB 		Stylesheet
General
Check archive.org
Download Go to
Full URL
https://regex101.com/static/23.db847e30c74aff098961.css
Requested by
Host: regex101.com
URL: https://regex101.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a01:4f8:1c1c:13a4::1 Gunzenhausen, Germany, ASN24940 (HETZNER-AS, DE),
Reverse DNS
Software
nginx /
Resource Hash
706b06eeac5934f25042dba54a9c1eb41e5b5ed77f7465f9200e915ab10705e9
Security Headers
Name Value
Content-Security-Policy default-src 'self' 'unsafe-eval' http: https: data: blob: 'unsafe-inline'
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block

Request headers

Referer
https://regex101.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36

Response headers

date
Tue, 13 Aug 2024 20:40:14 GMT
content-encoding
br
x-content-type-options
nosniff
content-security-policy
default-src 'self' 'unsafe-eval' http: https: data: blob: 'unsafe-inline'
strict-transport-security
max-age=31536000; includeSubDomains; preload
content-length
14326
x-xss-protection
1; mode=block
service-worker-allowed
/
referrer-policy
no-referrer-when-downgrade
last-modified
Sun, 19 May 2024 15:44:16 GMT
server
nginx
etag
"664a1e50-37f6"
vary
Accept-Encoding
x-frame-options
SAMEORIGIN
content-type
text/css
cache-control
max-age=31536000
expires
Wed, 13 Aug 2025 20:40:14 GMT
bundle.506f496942c824f31ed9.js
regex101.com/static/ 		344 KB
91 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://regex101.com/static/bundle.506f496942c824f31ed9.js
Requested by
Host: regex101.com
URL: https://regex101.com/
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a01:4f8:1c1c:13a4::1 Gunzenhausen, Germany, ASN24940 (HETZNER-AS, DE),
Reverse DNS
Software
nginx /
Resource Hash
a6b508886a03153ef0f57d2c3721ef55ed813a47229a2ef66e92d857698f01d3
Security Headers
Name Value
Content-Security-Policy default-src 'self' 'unsafe-eval' http: https: data: blob: 'unsafe-inline'
Strict-Transport-Security max-age=31536000; includeSubDomains; preload
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 1; mode=block

Request headers

Referer
https://regex101.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36

Response headers

date
Tue, 13 Aug 2024 20:40:14 GMT
content-encoding
br
x-content-type-options
nosniff
content-security-policy
default-src 'self' 'unsafe-eval' http: https: data: blob: 'unsafe-inline'
strict-transport-security
max-age=31536000; includeSubDomains; preload
content-length
92138
x-xss-protection
1; mode=block
service-worker-allowed
/
referrer-policy
no-referrer-when-downgrade
last-modified
Sun, 19 May 2024 15:44:16 GMT
server
nginx
etag
"664a1e50-167ea"
vary
Accept-Encoding
x-frame-options
SAMEORIGIN
content-type
application/javascript; charset=utf-8
cache-control
max-age=31536000
expires
Wed, 13 Aug 2025 20:40:14 GMT
truncated
/ 		769 B
0 		Image
General
Check archive.org
Download Go to Show image
Full URL
data:truncated
Protocol
DATA
Server
-, , ASN (),
Reverse DNS
Software
/
Resource Hash
56b41106dbafac391838627a26366e878c586783a5cf69ec613b939712312eb2

Request headers

Referer
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36

Response headers

Content-Type
image/png
event
analytics.regex101.com/api/ 		2 B
372 B 		XHR
General
Check archive.org
Download Go to
Full URL
https://analytics.regex101.com/api/event
Requested by
Host: analytics.regex101.com
URL: https://analytics.regex101.com/js/plausible.js
Protocol
HTTP/1.1
Security
TLS 1.3, , AES_128_GCM
Server
195.201.221.111 Gunzenhausen, Germany, ASN24940 (HETZNER-AS, DE),
Reverse DNS
static.111.221.201.195.clients.your-server.de
Software
nginx/1.18.0 (Ubuntu) /
Resource Hash
2689367b205c16ce32ed4200942b8b8b1e262dfc70d9bc9fbc77c49699a4f1df

Request headers

Referer
https://regex101.com/
User-Agent
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36
Content-Type
text/plain

Response headers

Date
Tue, 13 Aug 2024 20:40:14 GMT
Server
nginx/1.18.0 (Ubuntu)
Content-Type
text/plain; charset=utf-8
access-control-allow-origin
*
access-control-expose-headers
cache-control
max-age=0, private, must-revalidate
access-control-allow-credentials
true
Connection
keep-alive
Content-Length
2
x-request-id
F-tkWK6TeQuDhL8HRz9B
memvYaGs126MiZpBA-UvWbX2vVnXBbObj2OVTS-muw.woff2
fonts.gstatic.com/s/opensans/v40/ 		47 KB
48 KB 		Font
General
Check archive.org
Download Go to
Full URL
https://fonts.gstatic.com/s/opensans/v40/memvYaGs126MiZpBA-UvWbX2vVnXBbObj2OVTS-muw.woff2
Requested by
Host: fonts.googleapis.com
URL: https://fonts.googleapis.com/css2?family=Open+Sans:ital,wght@0,300;0,400;0,600;0,700;1,400&family=Source+Code+Pro:wght@400;500;700&display=swap
Protocol
H2
Security
TLS 1.3, , AES_128_GCM
Server
2a00:1450:4001:800::2003 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
sffe /
Resource Hash
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8 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.

string| __INITIAL_STATE__ function| plausible object| _global object| _sentryDebugIds string| _sentryDebugIdIdentifier object| SENTRY_RELEASE object| webpackChunkregex101 string| __reactRouterVersion

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