Who hosts this site?
Enter any domain. We run 25 probes in parallel — hosting, CDN, DNS, TLS, security headers, email auth, SEO meta, tech stack, registrar, domain age — and print the receipts.
Composite of TLS, headers, email auth, IPv6, HTTP/2/3, DNSSEC and CAA.
github.com
hosted by Microsoft Azure · fronted by GitHub Pages
Hosting & infrastructure
Origin
- IP
- 20.26.156.215
- ASN
- AS8075 MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation, US
- Prefix
- 20.0.0.0/11
- Country
- US
- IPv6
- No AAAA records
Edge / CDN
GitHub Pages
Detected via Server: github.com
Protocols
Domain intelligence
Registration (RDAP)
- Registrar
- MarkMonitor Inc.
- Created
- Oct 9, 2007 (18 yrs)
- Expires
- Oct 9, 2026
- Updated
- Jun 9, 2026
- Status
- client delete prohibited client transfer prohibited client update prohibited
First seen online
No Wayback snapshot found.
Source: Internet Archive Wayback Machine.
Security & encryption
TLS protocols
| TLS 1.3 | ✓ supported |
| TLS 1.2 | ✓ supported |
| TLS 1.1 | · not offered |
| TLS 1.0 | — untested |
SSL certificate
- Issuer
- Sectigo Limited
- CN
- github.com
- Expires
- Aug 2, 2026 (54d)
- Key
- 256-bit ecdsa-with-SHA256
- SANs
-
github.com www.github.com
Security headers
B- ● HSTS
- ● Content Security Policy
- ● X-Content-Type-Options: nosniff
- ● Referrer-Policy
- ○ Permissions-Policy
- ● X-Frame-Options / frame-ancestors
- ● HSTS includeSubDomains
- ● HSTS preload
- ● CSP without unsafe-eval
80/100 · Mozilla Observatory-style scoring
DNS configuration
Managed by Amazon Route 5320.26.156.215
dns1.p08.nsone.net
dns2.p08.nsone.net
dns3.p08.nsone.net
dns4.p08.nsone.net
ns-1283.awsdns-32.org
ns-1707.awsdns-21.co.uk
ns-421.awsdns-52.com
ns-520.awsdns-01.net
github-com.mail.protection.outlook.com (pri 0)
issue digicert.com
issuewild sectigo.com
issue letsencrypt.org
issuewild digicert.com
issue globalsign.com
issue sectigo.com
issuewild letsencrypt.org
ns-1707.awsdns-21.co.uk
Serial 1 · refresh 7200s
docusign=087098e3-3d46-47b7-9b4e-8a23028154cd
atlassian-domain-verification=jjgw98AKv2aeoYFxiL/VFaoyPkn3undEssTRuMg6C/3Fp/iqhkV4HVV7WjYlVeF8
MS=ms58704441
MS=ms44452932
calendly-site-verification=at0DQARi7IZvJtXQAWhMqpmIzpvoBNF7aam5VKKxP
TAILSCALE-xOzoDvFUzZr5YYVCQFuD
shopify-verification-code=t1YPwcmvnxZyBycaCpk1MPyWoFs72o
google-site-verification=82Le34Flgtd15ojYhHlGF_6g72muSjamlMVThBOJpks
+12 more
Email authentication
CRecords found
- SPF Published ●
- DMARC p=quarantine ●
- DKIM google, k1, k2, selector1 selectors ●
- BIMI not found ○
- MTA-STS not found ○
- TLS-RPT not found ○
Mail provider
Microsoft 365
github-com.mail.protection.outlook.com
SEO & metadata
Core meta
- Title
- GitHub · Change is constant. GitHub keeps you ahead. · GitHub
- Desc
- Join the world's most widely adopted, AI-powered developer platform where millions of developers, businesses, and the largest open source community build software that advances humanity.
- Canonical
- https://github.com
- Lang
- en
- Mobile
- viewport set ✓
hreflang (8)
Open Graph
- og:title
- GitHub · Change is constant. GitHub keeps you ahead.
- og:desc
- Join the world's most widely adopted, AI-powered developer platform where millions of developers, businesses, and the largest open source community build software that advances humanity.
- og:type
- object
- og:site
- GitHub
Crawler signals
Technology stack
CMS / platform
none detected
Framework
none detected
Analytics
none detected
Customer chat
none detected
Payments
none detected
JS libraries
none detected
Server signals
- Server
- github.com