165cloud.githubusercontent.com - dns.ninja
165cloud.githubusercontent.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 185.199.108.133🇺🇸 Fastly185.199.108.0/24 GitHub - 185.199.108.0/24 | ||||||
| PTR | cdn-185-199-108-133.github.com | ||||||
| A | 185.199.109.133🇺🇸 Fastly185.199.109.0/24 GitHub - 185.199.109.0/24 | ||||||
| A | 185.199.110.133🇺🇸 Fastly185.199.110.0/24 GitHub - 185.199.110.0/24 | ||||||
| A | 185.199.111.133🇺🇸 Fastly185.199.111.0/24 GitHub - 185.199.111.0/24 | ||||||
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
105.165cloud.githubusercontent.com |
Same first word
165cloud.githubusercontent.com |
DNS History
4 records (4 active, 0 former)
●A185.199.108.1332026-02-15 → 2026-06-04 · 2 obs
● 2026-06-04 09:45:36
●A185.199.109.1332026-02-15 → 2026-06-04 · 2 obs
● 2026-06-04 09:45:36
●A185.199.110.1332026-02-15 → 2026-06-04 · 2 obs
● 2026-06-04 09:45:36
●A185.199.111.1332026-02-15 → 2026-06-04 · 2 obs
● 2026-06-04 09:45:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.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:198.51.45.1
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: 199ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 4 | 185.199.109.133, 185.199.111.133... |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns-181.awsdns-22.com, ns-181.awsdns-22.com)
Analysis
Hierarchy
105.165cloud.githubusercontent.com is a subdomain of 165cloud.githubusercontent.com.
IP Addresses
165cloud.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 — cloud.githubusercontent.com, 10.72.180.60raw.githubusercontent.com, www.gist.githubusercontent.com and two others — share IP numbers with 165cloud.githubusercontent.com.