favicon
Open Cached · just now
UP

HTTP Status

200

Ping

1 ms

Technologies

3

Domain Owner Information

View Full WHOIS
Registrar

NAMECHEAP INC

Created

March 27, 2008

Expires

March 27, 2026

Domain Status

Transfer Lock (Client)

Domain cannot be transferred to another registrar.

SSL/TLS Certificate

View Full SSL Report
Issued By

C=US, O=Google Trust Services, CN=WE1

Security Score
75 /100

Network & Hosting

View DNS Records
104.21.76.91 AS13335 Cloudflare

Technologies Detected

Cloudflare

CDN

Evidence
  • • CF-Ray header
  • • IP 104.21.76.91 → ASN 13335

Cloudflare

DNS Provider

Evidence
  • • Nameserver: dakota.ns.cloudflare.com
  • • Nameserver: karsyn.ns.cloudflare.com

Google Trust Services

Certificate Authority

Evidence
  • • Google SSL certificate

Metadata & SEO

Title
RegExr: Learn, Build, & Test RegEx
Description
Regular expression tester with syntax highlighting, PHP / PCRE & JS Support, contextual help, cheat sheet, reference, and searchable community patterns.
Viewport
width=device-width,initial-scale=1,user-scalable=0

Social Media Cards

OpenGraph

Description
RegExr is an online tool to learn, build, & test Regular Expressions (RegEx / RegExp).
Title
RegExr: Learn, Build, & Test RegEx
Image
https://regexr.com/assets/card.png
Url
https://regexr.com/
Site Name
RegExr
Image:width
1200
Image:height
630

Twitter Cards

Description
RegExr is an online tool to learn, build, & test Regular Expressions (RegEx / RegExp).
Title
RegExr: Learn, Build, & Test RegEx
Image
https://regexr.com/assets/card.png
Url
https://regexr.com/
Card
summary_large_image
Site:id
@gskinner

Dependencies

🎨 Stylesheets (2)

  • • https://fonts.googleapis.com/css2?family=Roboto+Condensed:wght@400;700&family=Source+Code+Pro:wght@200;400;700&display=swap
  • • https://regexr.com/deploy/0e8dbde09.css

📜 Scripts (3)

  • • https://www.googletagmanager.com/gtag/js?id=G-FS551ZDYMX
  • • https://regexr.com/deploy/4bf54453b.js
  • • https://static.cloudflareinsights.com/beacon.min.js/vcd15cbe7772f49c399c6a5babf22c1241717689176015

🖼️ Images (1)

  • • https://regexr.com/#native_logo#
Inspected on November 04, 2025 at 11:36 UTC