1.githubusercontent.com - dns.ninja
1.githubusercontent.com
githubusercontent.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns-1411.awsdns-48.org ⭐ | ||||||
| NS | dns1.p01.nsone.net | ||||||
| NS | dns2.p01.nsone.net | ||||||
| NS | dns3.p01.nsone.net | ||||||
| NS | dns4.p01.nsone.net | ||||||
| NS | ns-181.awsdns-22.com | ||||||
| NS | ns-1867.awsdns-41.co.uk | ||||||
| NS | ns-596.awsdns-10.net | ||||||
| TXT | globalsign-domain-verification=2wiwCKYW7kQ6LJntfIcdi5EG56lUlQIRj_VGJnEEKb | ||||||
| TXT | v=spf1 a -all | ||||||
| SOA | ns-1411.awsdns-48.orgawsdns-hostmaster@amazon.com serial=1 | ||||||
rank #416 in the tld
githubusercontent.com
githubusercontent.comis a content-delivery domain operated by GitHub (a Microsoft subsidiary), used exclusively to serve static assets — raw source files, images, release artifacts, and Git LFS objects — from GitHub repositories, keeping user-supplied content isolated from the maingithub.comorigin for security reasons.
Key facts
- Owner / operator: GitHub, Inc. (subsidiary of Microsoft Corporation)
- TLD:
.com— gTLD - Primary purpose: CDN origin for raw repository content, user-uploaded images, release assets, and Git LFS objects hosted on GitHub
- Status: active
Notable subdomains or services
The domain is not a user-facing hosting service, but several well-known subdomain patterns exist:
raw.githubusercontent.com/— serves raw (unrendered) file content directly from any public repository branch or commit/ / / avatars.githubusercontent.com— serves user and organisation avatar imagescamo.githubusercontent.com— GitHub's image-proxy service (rewrites external images in Markdown through this origin)objects.githubusercontent.com— serves Git LFS objects and release binary assetsuser-images.githubusercontent.com— stores images uploaded by users in issues, pull requests, and commentsprivate-user-images.githubusercontent.com— same as above for private/authenticated contexts
Related domains
github.com— main GitHub platform (code hosting, pull requests, Actions, etc.)github.io— GitHub Pages hosting; user sites follow the pattern.github.io githubassets.com— serves GitHub's own UI static assets (JS, CSS, icons)
Overview
githubusercontent.com is GitHub's content delivery network (CDN) domain used to serve user-generated content and static assets. It separates raw file content from the main github.com domain for security and performance reasons.
Primary Uses
- raw.githubusercontent.com — Serves raw file content from repositories (source code, configuration files, scripts)
- avatars.githubusercontent.com — Hosts user profile pictures and organization logos
- camo.githubusercontent.com — Proxies external images in README files and issues for privacy/security
- objects.githubusercontent.com — Serves Git LFS (Large File Storage) objects
- user-images.githubusercontent.com — Hosts images uploaded to issues, comments, and discussions
Technical Infrastructure
DNS Provider: Dual-provider setup with AWS Route 53 and NS1 for redundancy
Nameservers:
- AWS: ns-181.awsdns-22.com, ns-596.awsdns-10.net, ns-1867.awsdns-41.co.uk, ns-1411.awsdns-48.org
- NS1: dns1.p01.nsone.net, dns2.p01.nsone.net, dns3.p01.nsone.net, dns4.p01.nsone.net
Security: SPF record configured (v=spf1 a -all). DNSSEC is not enabled.
Ownership
Owned and operated by GitHub, Inc., a subsidiary of Microsoft Corporation since 2018. The domain serves billions of requests daily as part of GitHub's infrastructure supporting over 100 million developers worldwide.
Subdomains
Same first word
Similar names
1.tv |
1.ws |
1.capital |
1.casino |
1.how |
1.lu |
1.appspot.com |
1.cg |
1.ua |
1.blogspot.in |
1.vision |
1.fm |
1.at |
1.cl |
1.top |
1.saarland |
1.education |
1.inc |
1.travel |
1.com.my |
1.co.uk |
1.cq.cn |
1.flights |
1.media |
1.co.nz |
1.energy |
DNS History
4 records (4 active, 0 former)
●A185.199.108.1332026-02-16 → 2026-06-04 · 2 obs
● 2026-06-04 16:38:34
●A185.199.109.1332026-02-16 → 2026-06-04 · 2 obs
● 2026-06-04 16:38:34
●A185.199.110.1332026-02-16 → 2026-06-04 · 2 obs
● 2026-06-04 16:38:34
●A185.199.111.1332026-02-16 → 2026-06-04 · 2 obs
● 2026-06-04 16:38:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| githubusercontent.com | ns-181.awsdns-22.com, ns-596.awsdns-10.net, ns-1867.awsdns-41.co.uk, ns-1411.awsdns-48.org... | 2 records |
✅ Authoritative Response
Server:198.51.45.65
NS records: ns-181.awsdns-22.com, ns-596.awsdns-10.net, ns-1867.awsdns-41.co.uk, ns-1411.awsdns-48.org, dns1.p01.nsone.net, dns2.p01.nsone.net, dns3.p01.nsone.net, dns4.p01.nsone.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for githubusercontent.com (unsigned zone)
⏱️ Timing
Total: 824ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 4 | 185.199.108.133, 185.199.109.133... |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns-181.awsdns-22.com, ns-181.awsdns-22.com)
Analysis
Hierarchy
1.githubusercontent.com is the parent domain of avatars.1.githubusercontent.com and 0.1.githubusercontent.com.
IP Addresses
1.githubusercontent.com resolves to 4 IP numbers: 185.199.108.133, 185.199.109.133, 185.199.110.133 and 185.199.111.133.
Additional host names — 2mv3.githubusercontent.com, 28.116.227.githubusercontent.com, metamask-okta-network-gateway-staging-genapicloud.comraw.githubusercontent.com and two others — share IP numbers with 1.githubusercontent.com.