render.github.com - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`render.github.com`

CNAME	`github.com`
DNSSEC	⚠️ Not signed
A	140.82.114.3^{🇺🇸 GITHUB140.82.114.0/24}
		PTR	`lb-140-82-114-3-iad.github.com`
NS	`ns-1707.awsdns-21.co.uk` ⭐
		A	2600:9000:5306:ab00::1^{🇺🇸 Amazon2600:9000:5306::/48 - CloudFront}
			PTR	`ns-1707.awsdns-21.co.uk`
		A	205.251.198.171^{🇺🇸 Amazon205.251.198.0/24 prefix}
			PTR	`ns-1707.awsdns-21.co.uk`
NS	`dns1.p08.nsone.net`
		A	2620:4d:4000:6259:7:8:0:1^{🇺🇸 NSONE2620:4d:4000::/48 PNAP-ACS nsone-1}
			PTR	`ns8.demysdns.com`
			PTR	`dns1.p08.nsone.net`
		A	198.51.44.8^{🇺🇸 NSONE198.51.44.0/24}
			PTR	`ns8.demysdns.com`
			PTR	`dns1.p08.nsone.net`
NS	`dns2.p08.nsone.net`
		A	2a00:edc0:6259:7:8::2^{🇺🇸 NSONE2a00:edc0:6259::/48 NS1-2}
			PTR	`dns2.p08.nsone.net`
		A	198.51.45.8^{🇺🇸 NSONE198.51.45.0/24}
			PTR	`dns2.p08.nsone.net`
NS	`dns3.p08.nsone.net`
		A	2620:4d:4000:6259:7:8:0:3^{🇺🇸 NSONE2620:4d:4000::/48 PNAP-ACS nsone-1}
			PTR	`dns3.p08.nsone.net`
		A	198.51.44.72^{🇺🇸 NSONE198.51.44.0/24}
			PTR	`dns3.p08.nsone.net`
NS	`dns4.p08.nsone.net`
		A	2a00:edc0:6259:7:8::4^{🇺🇸 NSONE2a00:edc0:6259::/48 NS1-2}
			PTR	`dns4.p08.nsone.net`
		A	198.51.45.72^{🇺🇸 NSONE198.51.45.0/24}
			PTR	`dns4.p08.nsone.net`
NS	`ns-1283.awsdns-32.org`
		A	2600:9000:5305:300::1^{🇺🇸 Amazon2600:9000:5305::/48 - CloudFront}
			PTR	`ns-1283.awsdns-32.org`
		A	205.251.197.3^{🇺🇸 Amazon205.251.197.0/24 prefix}
			PTR	`ns-1283.awsdns-32.org`
NS	`ns-421.awsdns-52.com`
		A	2600:9000:5301:a500::1^{🇺🇸 Amazon2600:9000:5301::/48 - CloudFront}
			PTR	`ns-421.awsdns-52.com`
		A	205.251.193.165^{🇺🇸 Amazon205.251.193.0/24 prefix}
			PTR	`ns-421.awsdns-52.com`
NS	`ns-520.awsdns-01.net`
		A	2600:9000:5302:800::1^{🇺🇸 Amazon2600:9000:5302::/48 - CloudFront}
			PTR	`ns-520.awsdns-01.net`
		A	205.251.194.8^{🇺🇸 Amazon205.251.194.0/24 prefix}
			PTR	`ns-520.awsdns-01.net`
MX	`github-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:c902::3^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-sj0pr03cu01703.inbound.protection.outlook.com`
		A	2a01:111:f403:c91d::b^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-mw2pr02cu00603.inbound.protection.outlook.com`
		A	2a01:111:f403:f909::1^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-bn0pr02cu00301.inbound.protection.outlook.com`
		A	2a01:111:f403:f909::d^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-bn0pr04cu01005.inbound.protection.outlook.com`
		A	52.101.9.21^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-bl2pr04cu00205.inbound.protection.outlook.com`
		A	52.101.41.0^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-byapr05cu00400.inbound.protection.outlook.com`
		A	52.101.41.192^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-byapr04cu00400.inbound.protection.outlook.com`
		A	52.101.60.2^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-bnypr05cu00102.inbound.protection.outlook.com`
TXT	`00Dd0000000hHE0=1TBKg000000TN2r`
TXT	`MS=6BF03E6AF5CB689E315FB6199603BABF2C88D805`
TXT	`MS=ms44452932`
TXT	`MS=ms58704441`
TXT	`TAILSCALE-xOzoDvFUzZr5YYVCQFuD`
TXT	`adobe-idp-site-verification=b92c9e999aef825edc36e0a3d847d2dbad5b2fc0e05c79ddd...`
TXT	`anthropic-domain-verification-4az7qn=if8YWuRRqwLycGJDooumzHtxm`
TXT	`apple-domain-verification=RyQhdzTl6Z6x8ZP4`
TXT	`atlassian-domain-verification=jjgw98AKv2aeoYFxiL/VFaoyPkn3undEssTRuMg6C/3Fp/i...`
TXT	`calendly-site-verification=at0DQARi7IZvJtXQAWhMqpmIzpvoBNF7aam5VKKxP`
TXT	`cursor-domain-verification-gtfwmt=1rfLOtiTngX5QSxD5HvNKTvm3`
TXT	`docusign=087098e3-3d46-47b7-9b4e-8a23028154cd`
TXT	`facebook-domain-verification=39xu4jzl7roi7x0n93ldkxjiaarx50`
TXT	`google-site-verification=82Le34Flgtd15ojYhHlGF_6g72muSjamlMVThBOJpks`
TXT	`google-site-verification=UTM-3akMgubp6tQtgEuAkYNYLyYAvpTnnSrDMWoDR3o`
TXT	`jamf-site-verification=XtaPNIYghF_e_xRDI8CjgQ`
TXT	`krisp-domain-verification=ZlyiK7XLhnaoUQb2hpak1PLY7dFkl1WE`
TXT	`loom-site-verification=f3787154f1154b7880e720a511ea664d`
TXT	`miro-verification=d2e174fdb00c71e0bcf58f8e58c3da2dd80dcfa9`
TXT	`openai-domain-verification=dv-3nh33eQwdkotMIAzLrIDVZo1`
TXT	`serval-domain-verification-ydryhj=qbkiEakpwEpTvHh5fIiCqtaue`
TXT	`shopify-verification-code=t1YPwcmvnxZyBycaCpk1MPyWoFs72o`
TXT	`stripe-verification=f88ef17321660a01bab1660454192e014defa29ba7b8de9633c69d6b4...`
TXT	`v=spf1 ip4:192.30.252.0/22 include:spf.protection.outlook.com include:_netblo...`
SOA	`ns-1707.awsdns-21.co.uk`awsdns-hostmaster@amazon.com serial=1

`github.com`

	DNSSEC	⚠️ Not signed
	A	140.82.114.3^{🇺🇸 GITHUB140.82.114.0/24}
	NS	`ns-1707.awsdns-21.co.uk` ⭐
	NS	`dns1.p08.nsone.net`
	NS	`dns2.p08.nsone.net`
	NS	`dns3.p08.nsone.net`
	NS	`dns4.p08.nsone.net`
	NS	`ns-1283.awsdns-32.org`
	NS	`ns-421.awsdns-52.com`
	NS	`ns-520.awsdns-01.net`
	MX	`github-com.mail.protection.outlook.com` ⭐
	TXT	`00Dd0000000hHE0=1TBKg000000TN2r`
	TXT	`MS=6BF03E6AF5CB689E315FB6199603BABF2C88D805`
	TXT	`MS=ms44452932`
	TXT	`MS=ms58704441`
	TXT	`TAILSCALE-xOzoDvFUzZr5YYVCQFuD`
	TXT	`adobe-idp-site-verification=b92c9e999aef825edc36e0a3d847d2dbad5b2fc0e05c79ddd...`
	TXT	`anthropic-domain-verification-4az7qn=if8YWuRRqwLycGJDooumzHtxm`
	TXT	`apple-domain-verification=RyQhdzTl6Z6x8ZP4`
	TXT	`atlassian-domain-verification=jjgw98AKv2aeoYFxiL/VFaoyPkn3undEssTRuMg6C/3Fp/i...`
	TXT	`calendly-site-verification=at0DQARi7IZvJtXQAWhMqpmIzpvoBNF7aam5VKKxP`
	TXT	`cursor-domain-verification-gtfwmt=1rfLOtiTngX5QSxD5HvNKTvm3`
	TXT	`docusign=087098e3-3d46-47b7-9b4e-8a23028154cd`
	TXT	`facebook-domain-verification=39xu4jzl7roi7x0n93ldkxjiaarx50`
	TXT	`google-site-verification=82Le34Flgtd15ojYhHlGF_6g72muSjamlMVThBOJpks`
	TXT	`google-site-verification=UTM-3akMgubp6tQtgEuAkYNYLyYAvpTnnSrDMWoDR3o`
	TXT	`jamf-site-verification=XtaPNIYghF_e_xRDI8CjgQ`
	TXT	`krisp-domain-verification=ZlyiK7XLhnaoUQb2hpak1PLY7dFkl1WE`
	TXT	`loom-site-verification=f3787154f1154b7880e720a511ea664d`
	TXT	`miro-verification=d2e174fdb00c71e0bcf58f8e58c3da2dd80dcfa9`
	TXT	`openai-domain-verification=dv-3nh33eQwdkotMIAzLrIDVZo1`
	TXT	`serval-domain-verification-ydryhj=qbkiEakpwEpTvHh5fIiCqtaue`
	TXT	`shopify-verification-code=t1YPwcmvnxZyBycaCpk1MPyWoFs72o`
	TXT	`stripe-verification=f88ef17321660a01bab1660454192e014defa29ba7b8de9633c69d6b4...`
	TXT	`v=spf1 ip4:192.30.252.0/22 include:spf.protection.outlook.com include:_netblo...`
	SOA	`ns-1707.awsdns-21.co.uk`awsdns-hostmaster@amazon.com serial=1

WOT: SAFE (64/100)
rank #10 globally
rank #10 in the tld

github.com

github.com is the primary domain of GitHub, a code hosting platform operated by Microsoft.

Key facts

Owner / operator: Microsoft (via GitHub, Inc.)
TLD:.com— gTLD
Primary purpose: hosting service for git repositories and collaborative software development
Status: active

History

Year	Event
2008	GitHub launched, domain registered for the service
2012	GitHub announced reaching 3 million repositories
2018	Microsoft acquired GitHub for $7.5 billion (acquisition completed)

Related domains

github.io– GitHub Pages static site hosting

🔒 HSTS Preload (+subdomains)
Semrush Rank:#148 Keywords:7,571,859 Traffic:15,919,465/mo
WOT: SAFE (79/100)
📈 Tranco rank: #29

GitHub is the world's largest source code hosting platform and developer community, founded in 2008 and acquired by Microsoft in 2018 for $7.5 billion. With over 100 million developers and 400 million repositories, GitHub has become the central hub for open-source development and enterprise software collaboration.

The platform pioneered social coding features like pull requests, issues, and forking that have become industry standards. GitHub hosts the source code for countless major projects including Linux, React, TensorFlow, and VS Code. The company also provides GitHub Actions for CI/CD, GitHub Pages for static hosting, Copilot for AI-assisted coding, and comprehensive security scanning.

GitHub's infrastructure runs on Microsoft Azure, having migrated from its original Rackspace-based setup. The platform uses a globally distributed architecture with multiple data centers for redundancy. GitHub experienced a famous 2018 DDoS attack that peaked at 1.35 Tbps, the largest recorded at that time, which they mitigated using Akamai Prolexic.

DNS for github.com is managed through multiple providers for resilience, with authoritative nameservers including dns1-4.p08.nsone.net (NS1). The site uses advanced DNS configurations including DNSSEC and CAA records for certificate authority authorization. GitHub's global CDN delivers assets from edge locations worldwide for optimal performance.

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Previous names

Next names

DNS History

1 record (1 active, 0 former)

●CNAMEgithub.com2018-08-05 → 2026-09-26 · 2 obs

● 2018-08-05 00:59:46
● 2026-09-26 07:57:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
github.com	ns-520.awsdns-01.net, ns-421.awsdns-52.com, ns-1707.awsdns-21.co.uk, ns-1283.awsdns-32.org...	2 records

✅ Authoritative Response

Server:205.251.194.8

NS records: ns-520.awsdns-01.net, ns-421.awsdns-52.com, ns-1707.awsdns-21.co.uk, ns-1283.awsdns-32.org, dns1.p08.nsone.net, dns2.p08.nsone.net, dns3.p08.nsone.net, dns4.p08.nsone.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for github.com (unsigned zone)

⏱️ Timing

Total: 665ms | Queries: -

📄 Records

Type	Count	Sample Data
CNAME	1	`github.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-421.awsdns-52.com, ns-421.awsdns-52.com)

Analysis

IP Addresses

render.github.com directs to one IP number, which is 140.82.114.3.

Other hosts including github.com, ghe.com and lb-140-82-114-3-iad.github.com share IP addresses with render.github.com.

Name Servers

render.github.com carries NS records listing 8 name servers — ns-421.awsdns-52.com, ns-520.awsdns-01.net, ns-1283.awsdns-32.org and 5 others.

The name servers of render.github.com overlap at least partially with those of other domains — among them iroase.com, delawarepantry.com, famefusion.marketing and two more.

These name servers commonly appear in delegations together with dns1.p08.nsone.net, dns2.p08.nsone.net, dns3.p08.nsone.net and 7 other.

Hosts with two IP numbers each:

The A records for ns-421.awsdns-52.com return 205.251.193.165 and 2600:9000:5301:a500::1.

The A records for ns-520.awsdns-01.net return 205.251.194.8 and 2600:9000:5302:800::1.

The A records for ns-1283.awsdns-32.org return 205.251.197.3 and 2600:9000:5305:300::1.

The A records for dns1.p08.nsone.net return 198.51.44.8 and 2620:4d:4000:6259:7:8:0:1.

The A records for dns2.p08.nsone.net return 198.51.45.8 and 2a00:edc0:6259:7:8::2.

The A records for dns3.p08.nsone.net return 198.51.44.72 and 2620:4d:4000:6259:7:8:0:3.

The A records for dns4.p08.nsone.net return 198.51.45.72 and 2a00:edc0:6259:7:8::4.

The A records for ns-1707.awsdns-21.co.uk return 205.251.198.171 and 2600:9000:5306:ab00::1.

Mail Servers

render.github.com routes its mail through a single mail server, github-com.mail.protection.outlook.com.

render.github.com has the same mail server arrangement as a number of other domains, for example github.com, chriskxu.me, github.partners and two more.

github-com.mail.protection.outlook.com directs to 8 IP numbers, including 52.101.9.21, 52.101.41.0 and 52.101.41.192, along with 5 other.