githubusercontent.com - dns.ninja
githubusercontent.com
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1784828417 | ||||||
rank #424 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
128avatars2.githubusercontent.com |
0m7c.githubusercontent.com |
227net79.githubusercontent.com |
actionsppe.githubusercontent.com |
gist3.githubusercontent.com |
208-64-200-8.githubusercontent.com |
18c8b.githubusercontent.com |
17-58-106-99.githubusercontent.com |
7avatars0.githubusercontent.com |
php.githubusercontent.com |
76objects.githubusercontent.com |
17-121-124-9.githubusercontent.com |
0001-fix-to-treat-http-201-and-http-202-responses-as-succ.githubusercontent.com |
29-86.githubusercontent.com |
2favatars3.githubusercontent.com |
objects-origin.githubusercontent.com |
actions.githubusercontent.com |
10avatars1.githubusercontent.com |
copilot-telemetry-service.githubusercontent.com |
18041641670813428517.githubusercontent.com |
avatars6.githubusercontent.com |
embed.githubusercontent.com |
405.githubusercontent.com |
239-249.githubusercontent.com |
user-image.githubusercontent.com |
232.githubusercontent.com |
17-121-119-188.githubusercontent.com |
167-79.githubusercontent.com |
desktop.githubusercontent.com |
17-121-116-67.githubusercontent.com |
b.githubusercontent.com |
avatars1.githubusercontent.com |
1f37.githubusercontent.com |
19417.githubusercontent.com |
18c8c.githubusercontent.com |
176-223.githubusercontent.com |
origin-tracker.githubusercontent.com |
null.githubusercontent.com |
155-9-227-78.githubusercontent.com |
github-cloud.githubusercontent.com |
172-117.githubusercontent.com |
33.githubusercontent.com |
2048ac.githubusercontent.com |
2bx3.githubusercontent.com |
121-216.githubusercontent.com |
18-16.githubusercontent.com |
avatars7.githubusercontent.com |
avatars.githubusercontent.com |
140-134.githubusercontent.com |
133bjects.githubusercontent.com |
viewscreen.githubusercontent.com |
avatar2.githubusercontent.com |
html.githubusercontent.com |
0fdropbox-3-7.githubusercontent.com |
4.githubusercontent.com |
10avatars0.githubusercontent.com |
18187.githubusercontent.com |
fraw.githubusercontent.com |
patch-diff.githubusercontent.com |
16029.githubusercontent.com |
18.githubusercontent.com |
229.githubusercontent.com |
10camo.githubusercontent.com |
19809.githubusercontent.com |
20060726.githubusercontent.com |
220-227.githubusercontent.com |
17-121-116-97.githubusercontent.com |
178-118-41-7.githubusercontent.com |
repository-images.githubusercontent.com |
media.githubusercontent.com |
0co32loh-cloudstation-eu-west-7.githubusercontent.com |
17-121-112-34.githubusercontent.com |
190.githubusercontent.com |
101-69.githubusercontent.com |
1.githubusercontent.com |
avatars5.githubusercontent.com |
128raw.githubusercontent.com |
www.githubusercontent.com |
134net207.githubusercontent.com |
release-assets.githubusercontent.com |
16b2b.githubusercontent.com |
66raw.githubusercontent.com |
pkg-npm.githubusercontent.com |
hraw.githubusercontent.com |
162-221-237-95.githubusercontent.com |
objects.githubusercontent.com |
github-registry-files.githubusercontent.com |
17-58-106-73.githubusercontent.com |
0.githubusercontent.com |
185.githubusercontent.com |
5.githubusercontent.com |
60raw.githubusercontent.com |
gist.githubusercontent.com |
user-images.githubusercontent.com |
2017-02-21-19-43-18.githubusercontent.com |
jt4sxek47sw4.githubusercontent.com |
twitchcodespaces.githubusercontent.com |
133camo.githubusercontent.com |
124-147.githubusercontent.com |
aw.githubusercontent.com |
notebooks.githubusercontent.com |
cloud.githubusercontent.com |
17.githubusercontent.com |
avatars0.githubusercontent.com |
404.githubusercontent.com |
httpsraw.githubusercontent.com |
248-227.githubusercontent.com |
raw.githubusercontent.com |
1cinapac.githubusercontent.com |
test.githubusercontent.com |
144-214.githubusercontent.com |
60avatars0.githubusercontent.com |
05-6.githubusercontent.com |
butt.githubusercontent.com |
11b.githubusercontent.com |
13513.githubusercontent.com |
199-4.githubusercontent.com |
2d393.githubusercontent.com |
192-84-18-137.githubusercontent.com |
10machines1.githubusercontent.com |
17-121-125-79.githubusercontent.com |
github-repository-files.githubusercontent.com |
24579.githubusercontent.com |
133.githubusercontent.com |
243-217.githubusercontent.com |
1034-41-9.githubusercontent.com |
116.githubusercontent.com |
patch-diff-garage.githubusercontent.com |
avatars3.githubusercontent.com |
10avatars2.githubusercontent.com |
hc1covid19.githubusercontent.com |
0fd4f2c39b0ce9d43.githubusercontent.com |
render.githubusercontent.com |
u002fraw.githubusercontent.com |
60avatars2.githubusercontent.com |
16.githubusercontent.com |
Same first word
githubusercontent.co |
githubusercontent.com |
DNS History
12 records (8 active, 4 former)
●NSdns1.p01.nsone.net2021-02-20 → 2026-07-23 · 9 obs
○ 2020-04-15 20:42:04
● 2021-02-20 00:33:08
● 2026-03-27 16:15:18
○ 2026-03-27 17:19:12
● 2026-03-27 18:50:20
● 2026-05-12 01:04:46
○ 2026-05-12 03:21:26
● 2026-05-12 03:59:02
● 2026-07-23 18:01:20
● 2021-02-20 00:33:08
● 2026-03-27 16:15:18
○ 2026-03-27 17:19:12
● 2026-03-27 18:50:20
● 2026-05-12 01:04:46
○ 2026-05-12 03:21:26
● 2026-05-12 03:59:02
● 2026-07-23 18:01:20
●NSdns2.p01.nsone.net2021-02-20 → 2026-07-23 · 9 obs
○ 2020-04-15 20:42:04
● 2021-02-20 00:33:08
● 2026-03-27 16:15:18
○ 2026-03-27 17:19:12
● 2026-03-27 18:50:20
● 2026-05-12 01:04:46
○ 2026-05-12 03:21:26
● 2026-05-12 03:59:02
● 2026-07-23 18:01:20
● 2021-02-20 00:33:08
● 2026-03-27 16:15:18
○ 2026-03-27 17:19:12
● 2026-03-27 18:50:20
● 2026-05-12 01:04:46
○ 2026-05-12 03:21:26
● 2026-05-12 03:59:02
● 2026-07-23 18:01:20
●NSdns3.p01.nsone.net2021-02-20 → 2026-07-23 · 9 obs
○ 2020-04-15 20:42:04
● 2021-02-20 00:33:08
● 2026-03-27 16:15:18
○ 2026-03-27 17:19:12
● 2026-03-27 18:50:20
● 2026-05-12 01:04:46
○ 2026-05-12 03:21:26
● 2026-05-12 03:59:02
● 2026-07-23 18:01:20
● 2021-02-20 00:33:08
● 2026-03-27 16:15:18
○ 2026-03-27 17:19:12
● 2026-03-27 18:50:20
● 2026-05-12 01:04:46
○ 2026-05-12 03:21:26
● 2026-05-12 03:59:02
● 2026-07-23 18:01:20
●NSdns4.p01.nsone.net2021-02-20 → 2026-07-23 · 9 obs
○ 2020-04-15 20:42:04
● 2021-02-20 00:33:08
● 2026-03-27 16:15:18
○ 2026-03-27 17:19:12
● 2026-03-27 18:50:20
● 2026-05-12 01:04:46
○ 2026-05-12 03:21:26
● 2026-05-12 03:59:02
● 2026-07-23 18:01:20
● 2021-02-20 00:33:08
● 2026-03-27 16:15:18
○ 2026-03-27 17:19:12
● 2026-03-27 18:50:20
● 2026-05-12 01:04:46
○ 2026-05-12 03:21:26
● 2026-05-12 03:59:02
● 2026-07-23 18:01:20
●NSns-1411.awsdns-48.org2016-11-15 → 2026-07-23 · 27 obs
○ 2016-08-11 20:12:34
● 2016-11-15 14:59:16
● 2017-03-15 15:08:00
○ 2017-05-28 02:43:50
● 2017-11-09 13:42:40
● 2017-11-20 15:00:06
○ 2017-12-15 11:36:06
● 2018-01-10 23:41:10
○ 2018-05-16 12:39:46
○ 2018-10-08 13:33:30
● 2018-10-17 10:49:02
● 2018-12-28 18:54:08
○ 2019-02-14 10:15:38
● 2019-03-12 07:55:48
● 2019-08-08 19:06:16
○ 2019-12-01 23:17:50
● 2019-12-05 11:13:46
● 2020-04-15 20:42:04
○ 2021-02-20 00:33:08
● 2022-01-10 06:44:40
● 2026-03-27 16:15:18
○ 2026-03-27 17:19:12
● 2026-03-27 18:50:20
● 2026-05-12 01:04:46
○ 2026-05-12 03:21:26
● 2026-05-12 03:59:02
● 2026-07-23 18:01:20
● 2016-11-15 14:59:16
● 2017-03-15 15:08:00
○ 2017-05-28 02:43:50
● 2017-11-09 13:42:40
● 2017-11-20 15:00:06
○ 2017-12-15 11:36:06
● 2018-01-10 23:41:10
○ 2018-05-16 12:39:46
○ 2018-10-08 13:33:30
● 2018-10-17 10:49:02
● 2018-12-28 18:54:08
○ 2019-02-14 10:15:38
● 2019-03-12 07:55:48
● 2019-08-08 19:06:16
○ 2019-12-01 23:17:50
● 2019-12-05 11:13:46
● 2020-04-15 20:42:04
○ 2021-02-20 00:33:08
● 2022-01-10 06:44:40
● 2026-03-27 16:15:18
○ 2026-03-27 17:19:12
● 2026-03-27 18:50:20
● 2026-05-12 01:04:46
○ 2026-05-12 03:21:26
● 2026-05-12 03:59:02
● 2026-07-23 18:01:20
●NSns-181.awsdns-22.com2016-11-15 → 2026-07-23 · 19 obs
○ 2016-08-11 20:12:34
● 2016-11-15 14:59:16
● 2017-11-09 13:42:40
○ 2017-11-20 15:00:06
○ 2017-12-15 11:36:06
● 2018-01-10 23:41:10
○ 2018-05-16 12:39:46
○ 2018-10-08 13:33:30
● 2018-10-17 10:49:02
○ 2018-12-28 18:54:08
○ 2019-03-12 07:55:48
● 2019-08-08 19:06:16
● 2026-03-27 16:15:18
○ 2026-03-27 17:19:12
● 2026-03-27 18:50:20
● 2026-05-12 01:04:46
○ 2026-05-12 03:21:26
● 2026-05-12 03:59:02
● 2026-07-23 18:01:20
● 2016-11-15 14:59:16
● 2017-11-09 13:42:40
○ 2017-11-20 15:00:06
○ 2017-12-15 11:36:06
● 2018-01-10 23:41:10
○ 2018-05-16 12:39:46
○ 2018-10-08 13:33:30
● 2018-10-17 10:49:02
○ 2018-12-28 18:54:08
○ 2019-03-12 07:55:48
● 2019-08-08 19:06:16
● 2026-03-27 16:15:18
○ 2026-03-27 17:19:12
● 2026-03-27 18:50:20
● 2026-05-12 01:04:46
○ 2026-05-12 03:21:26
● 2026-05-12 03:59:02
● 2026-07-23 18:01:20
●NSns-1867.awsdns-41.co.uk2016-11-15 → 2026-07-23 · 19 obs
○ 2016-08-11 20:12:34
● 2016-11-15 14:59:16
● 2017-11-09 13:42:40
○ 2017-11-20 15:00:06
○ 2017-12-15 11:36:06
● 2018-01-10 23:41:10
○ 2018-05-16 12:39:46
○ 2018-10-08 13:33:30
● 2018-10-17 10:49:02
○ 2018-12-28 18:54:08
○ 2019-03-12 07:55:48
● 2019-08-08 19:06:16
● 2026-03-27 16:15:18
○ 2026-03-27 17:19:12
● 2026-03-27 18:50:20
● 2026-05-12 01:04:46
○ 2026-05-12 03:21:26
● 2026-05-12 03:59:02
● 2026-07-23 18:01:20
● 2016-11-15 14:59:16
● 2017-11-09 13:42:40
○ 2017-11-20 15:00:06
○ 2017-12-15 11:36:06
● 2018-01-10 23:41:10
○ 2018-05-16 12:39:46
○ 2018-10-08 13:33:30
● 2018-10-17 10:49:02
○ 2018-12-28 18:54:08
○ 2019-03-12 07:55:48
● 2019-08-08 19:06:16
● 2026-03-27 16:15:18
○ 2026-03-27 17:19:12
● 2026-03-27 18:50:20
● 2026-05-12 01:04:46
○ 2026-05-12 03:21:26
● 2026-05-12 03:59:02
● 2026-07-23 18:01:20
●NSns-596.awsdns-10.net2016-11-15 → 2026-07-23 · 19 obs
○ 2016-08-11 20:12:34
● 2016-11-15 14:59:16
● 2017-11-09 13:42:40
○ 2017-11-20 15:00:06
○ 2017-12-15 11:36:06
● 2018-01-10 23:41:10
○ 2018-05-16 12:39:46
○ 2018-10-08 13:33:30
● 2018-10-17 10:49:02
○ 2018-12-28 18:54:08
○ 2019-03-12 07:55:48
● 2019-08-08 19:06:16
● 2026-03-27 16:15:18
○ 2026-03-27 17:19:12
● 2026-03-27 18:50:20
● 2026-05-12 01:04:46
○ 2026-05-12 03:21:26
● 2026-05-12 03:59:02
● 2026-07-23 18:01:20
● 2016-11-15 14:59:16
● 2017-11-09 13:42:40
○ 2017-11-20 15:00:06
○ 2017-12-15 11:36:06
● 2018-01-10 23:41:10
○ 2018-05-16 12:39:46
○ 2018-10-08 13:33:30
● 2018-10-17 10:49:02
○ 2018-12-28 18:54:08
○ 2019-03-12 07:55:48
● 2019-08-08 19:06:16
● 2026-03-27 16:15:18
○ 2026-03-27 17:19:12
● 2026-03-27 18:50:20
● 2026-05-12 01:04:46
○ 2026-05-12 03:21:26
● 2026-05-12 03:59:02
● 2026-07-23 18:01:20
○NSns1.p16.dynect.net2015-08-07 → 2020-04-15 · 21 obs
● 2015-08-07 11:25:52
● 2016-08-11 20:12:34
○ 2016-11-15 14:59:16
○ 2017-03-15 15:08:00
● 2017-05-28 02:43:50
● 2017-11-09 13:42:40
○ 2017-11-20 15:00:06
● 2017-12-15 11:36:06
○ 2018-01-10 23:41:10
● 2018-05-16 12:39:46
● 2018-10-08 13:33:30
○ 2018-10-17 10:49:02
○ 2018-12-28 18:54:08
● 2019-02-14 10:15:38
○ 2019-03-12 07:55:48
○ 2019-08-08 19:06:16
● 2019-12-01 23:17:50
○ 2019-12-05 11:13:46
● 2020-04-15 20:42:04
○ 2021-02-20 00:33:08
○ 2026-07-23 18:01:20
● 2016-08-11 20:12:34
○ 2016-11-15 14:59:16
○ 2017-03-15 15:08:00
● 2017-05-28 02:43:50
● 2017-11-09 13:42:40
○ 2017-11-20 15:00:06
● 2017-12-15 11:36:06
○ 2018-01-10 23:41:10
● 2018-05-16 12:39:46
● 2018-10-08 13:33:30
○ 2018-10-17 10:49:02
○ 2018-12-28 18:54:08
● 2019-02-14 10:15:38
○ 2019-03-12 07:55:48
○ 2019-08-08 19:06:16
● 2019-12-01 23:17:50
○ 2019-12-05 11:13:46
● 2020-04-15 20:42:04
○ 2021-02-20 00:33:08
○ 2026-07-23 18:01:20
○NSns2.p16.dynect.net2015-08-07 → 2020-04-15 · 8 obs
● 2015-08-07 11:25:52
● 2016-08-11 20:12:34
○ 2016-11-15 14:59:16
○ 2017-03-15 15:08:00
● 2017-05-28 02:43:50
● 2020-04-15 20:42:04
○ 2021-02-20 00:33:08
○ 2026-07-23 18:01:20
● 2016-08-11 20:12:34
○ 2016-11-15 14:59:16
○ 2017-03-15 15:08:00
● 2017-05-28 02:43:50
● 2020-04-15 20:42:04
○ 2021-02-20 00:33:08
○ 2026-07-23 18:01:20
○NSns3.p16.dynect.net2015-08-07 → 2020-04-15 · 8 obs
● 2015-08-07 11:25:52
● 2016-08-11 20:12:34
○ 2016-11-15 14:59:16
○ 2017-03-15 15:08:00
● 2017-05-28 02:43:50
● 2020-04-15 20:42:04
○ 2021-02-20 00:33:08
○ 2026-07-23 18:01:20
● 2016-08-11 20:12:34
○ 2016-11-15 14:59:16
○ 2017-03-15 15:08:00
● 2017-05-28 02:43:50
● 2020-04-15 20:42:04
○ 2021-02-20 00:33:08
○ 2026-07-23 18:01:20
○NSns4.p16.dynect.net2015-08-07 → 2020-04-15 · 8 obs
● 2015-08-07 11:25:52
● 2016-08-11 20:12:34
○ 2016-11-15 14:59:16
○ 2017-03-15 15:08:00
● 2017-05-28 02:43:50
● 2020-04-15 20:42:04
○ 2021-02-20 00:33:08
○ 2026-07-23 18:01:20
● 2016-08-11 20:12:34
○ 2016-11-15 14:59:16
○ 2017-03-15 15:08:00
● 2017-05-28 02:43:50
● 2020-04-15 20:42:04
○ 2021-02-20 00:33:08
○ 2026-07-23 18:01:20
🔍 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:205.251.194.84
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: 1252ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 8 | dns1.p01.nsone.net, dns2.p01.nsone.net... |
| TXT | 2 | globalsign-domain-verification=2wiwCKYW7, v=spf1 a -all |
| SOA | 1 | ns-1411.awsdns-48.org awsdns-hostmaster. |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns-181.awsdns-22.com, ns-181.awsdns-22.com)
Related
Analysis
Hierarchy
The domain githubusercontent.com is parent to 128avatars2.githubusercontent.com, 0m7c.githubusercontent.com, 227net79.githubusercontent.com, actionsppe.githubusercontent.com, gist3.githubusercontent.com and hundreds of other host names.
Name Servers
githubusercontent.com is delegated to 8 name servers: ns-181.awsdns-22.com, ns-596.awsdns-10.net, ns-1411.awsdns-48.org and 5 other.
The name servers of githubusercontent.com overlap at least partially with those of other domains — among them wbcarpenter.com, wsmotors.de, fullarmorft.org and two more.
These name servers commonly appear in delegations together with dns1.p01.nsone.net, dns2.p01.nsone.net, dns3.p01.nsone.net and 7 other.
Host names that have two IP addresses:
ns-181.awsdns-22.com points to 205.251.192.181 and 2600:9000:5300:b500::1.
ns-596.awsdns-10.net points to 205.251.194.84 and 2600:9000:5302:5400::1.
ns-1411.awsdns-48.org points to 205.251.197.131 and 2600:9000:5305:8300::1.
dns1.p01.nsone.net points to 198.51.44.1 and 2620:4d:4000:6259:7:1:0:1.
dns2.p01.nsone.net points to 198.51.45.1 and 2a00:edc0:6259:7:1::2.
dns3.p01.nsone.net points to 198.51.44.65 and 2620:4d:4000:6259:7:1:0:3.
dns4.p01.nsone.net points to 198.51.45.65 and 2a00:edc0:6259:7:1::4.
ns-1867.awsdns-41.co.uk points to 205.251.199.75 and 2600:9000:5307:4b00::1.