`githubcopilot.com`

DNSSEC	⚠️ Not signed
A	140.82.112.17^{🇺🇸 GITHUB140.82.112.0/24 GitHub}
		PTR	`lb-140-82-112-17-iad.github.com`
A	140.82.112.18^{🇺🇸 GITHUB140.82.112.0/24 GitHub}
A	140.82.113.17^{🇺🇸 GITHUB140.82.113.0/24 GitHub}
A	140.82.113.18^{🇺🇸 GITHUB140.82.113.0/24 GitHub}
A	140.82.114.17^{🇺🇸 GITHUB140.82.114.0/24 GitHub}
A	140.82.114.18^{🇺🇸 GITHUB140.82.114.0/24 GitHub}
NS	`dns1.p01.nsone.net` ⭐
		A	2620:4d:4000:6259:7:1:0:1^{🇺🇸 NSONE2620:4d:4000::/48 2620:4D:4000::/48}
			PTR	`dns1.p01.nsone.net`
		A	198.51.44.1^{🇺🇸 NSONE198.51.44.0/24 198.51.44.0}
			PTR	`dns1.p01.nsone.net`
NS	`dns1.p09.nsone.net` ⚠️ Not in zone NS records
		A	2620:4d:4000:6259:7:9:0:1^{🇺🇸 NSONE2620:4d:4000::/48 2620:4D:4000::/48}
			PTR	`dns1.p09.nsone.net`
			PTR	`ns4.demysdns.co.uk`
		A	198.51.44.9^{🇺🇸 NSONE198.51.44.0/24 198.51.44.0}
			PTR	`dns1.p09.nsone.net`
			PTR	`ns4.demysdns.co.uk`
NS	`dns2.p09.nsone.net` ⚠️ Not in zone NS records
		A	2a00:edc0:6259:7:9::2^{🇺🇸 NSONE2a00:edc0:6259::/48 NS1-2}
			PTR	`dns2.p09.nsone.net`
			PTR	`ns5.demysdns.co.uk`
		A	198.51.45.9^{🇺🇸 NSONE198.51.45.0/24 198.51.45.0}
			PTR	`dns2.p09.nsone.net`
			PTR	`ns5.demysdns.co.uk`
NS	`dns3.p09.nsone.net` ⚠️ Not in zone NS records
		A	2620:4d:4000:6259:7:9:0:3^{🇺🇸 NSONE2620:4d:4000::/48 2620:4D:4000::/48}
			PTR	`dns3.p09.nsone.net`
			PTR	`ns6.demysdns.co.uk`
		A	198.51.44.73^{🇺🇸 NSONE198.51.44.0/24 198.51.44.0}
			PTR	`dns3.p09.nsone.net`
			PTR	`ns6.demysdns.co.uk`
NS	`dns4.p09.nsone.net` ⚠️ Not in zone NS records
		A	2a00:edc0:6259:7:9::4^{🇺🇸 NSONE2a00:edc0:6259::/48 NS1-2}
			PTR	`ns7.demysdns.com`
			PTR	`dns4.p09.nsone.net`
		A	198.51.45.73^{🇺🇸 NSONE198.51.45.0/24 198.51.45.0}
			PTR	`ns7.demysdns.com`
			PTR	`dns4.p09.nsone.net`
NS	`ns-1183.awsdns-19.org`
		A	2600:9000:5304:9f00::1^{🇺🇸 Amazon2600:9000:5304::/48 - CloudFront}
			PTR	`ns-1183.awsdns-19.org`
		A	205.251.196.159^{🇺🇸 Amazon205.251.196.0/24 prefix}
			PTR	`ns-1183.awsdns-19.org`
NS	`ns-1727.awsdns-23.co.uk`
		A	2600:9000:5306:bf00::1^{🇺🇸 Amazon2600:9000:5306::/48 - CloudFront}
			PTR	`ns-1727.awsdns-23.co.uk`
		A	205.251.198.191^{🇺🇸 Amazon205.251.198.0/24 prefix}
			PTR	`ns-1727.awsdns-23.co.uk`
NS	`ns-271.awsdns-33.com`
		A	2600:9000:5301:f00::1^{🇺🇸 Amazon2600:9000:5301::/48 - CloudFront}
			PTR	`ns-271.awsdns-33.com`
		A	205.251.193.15^{🇺🇸 Amazon205.251.193.0/24 prefix}
			PTR	`ns-271.awsdns-33.com`
NS	`ns-828.awsdns-39.net`
		A	2600:9000:5303:3c00::1^{🇺🇸 Amazon2600:9000:5303::/48 - CloudFront}
			PTR	`ns-828.awsdns-39.net`
		A	205.251.195.60^{🇺🇸 Amazon205.251.195.0/24 prefix}
			PTR	`ns-828.awsdns-39.net`
TXT	`v=spf1 -all`
SOA	`dns1.p01.nsone.net`hostmaster@nsone.net serial=1657627261

`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.net`nstld@verisign-grs.com serial=1783212541

📈 Tranco rank: #2,796

Subdomains

www.githubcopilot.com

api.githubcopilot.com

Same first word

githubcopilot.com

DNS History

18 records (15 active, 3 former)

●NSdns1.p01.nsone.net2026-02-22 → 2026-07-05 · 42 obs

○ 2026-02-22 16:43:18
● 2026-02-22 22:22:06
○ 2026-02-23 17:37:34
● 2026-02-24 00:39:48
● 2026-03-06 08:46:48
○ 2026-03-07 00:25:48
○ 2026-03-08 05:07:42
● 2026-03-09 11:07:54
● 2026-03-17 00:04:22
○ 2026-03-17 13:54:16
● 2026-03-22 15:42:44
● 2026-04-01 22:34:02
○ 2026-04-02 18:07:12
○ 2026-04-10 05:02:30
● 2026-04-12 14:58:50
● 2026-04-29 05:37:18
○ 2026-04-29 23:58:02
● 2026-04-30 12:31:18
● 2026-05-03 13:19:40
○ 2026-05-04 11:46:10
○ 2026-05-06 00:02:06
● 2026-05-08 00:06:46
● 2026-05-17 21:26:20
○ 2026-05-18 22:31:14
● 2026-05-22 23:16:26
○ 2026-05-23 07:14:44
○ 2026-05-24 23:12:46
● 2026-05-25 15:49:42
● 2026-05-25 19:46:48
○ 2026-05-26 09:42:18
● 2026-05-27 13:46:00
● 2026-05-27 16:00:54
○ 2026-05-29 16:54:30
● 2026-05-31 20:26:50
● 2026-06-12 01:11:06
○ 2026-06-13 04:27:08
● 2026-06-15 03:43:10
○ 2026-06-19 20:00:12
● 2026-06-24 14:10:18
○ 2026-06-28 10:22:10
● 2026-07-04 18:31:00
● 2026-07-05 01:02:44

●NSdns1.p09.nsone.net2026-02-22 → 2026-07-05 · 5 obs

● 2026-02-22 16:43:18
● 2026-03-06 08:46:48
○ 2026-03-07 00:25:48
● 2026-03-07 11:20:40
● 2026-07-05 01:02:44

○NSdns2.p01.nsone.net2026-02-24 → 2026-07-04 · 56 obs

○ 2026-02-23 17:37:34
● 2026-02-24 00:39:48
○ 2026-03-02 22:24:38
○ 2026-03-04 23:08:26
● 2026-03-06 08:46:48
○ 2026-03-07 00:25:48
○ 2026-03-08 05:07:42
● 2026-03-09 11:07:54
● 2026-03-10 22:56:22
○ 2026-03-12 11:02:34
● 2026-03-15 01:53:52
● 2026-03-17 00:04:22
○ 2026-03-17 13:54:16
● 2026-03-22 15:42:44
● 2026-03-22 20:34:00
○ 2026-03-23 08:42:04
○ 2026-03-24 18:26:08
● 2026-03-24 22:29:44
● 2026-03-29 01:20:06
○ 2026-04-01 22:34:02
○ 2026-04-14 21:45:22
● 2026-04-17 23:42:32
○ 2026-04-19 21:06:30
● 2026-04-20 15:28:18
● 2026-04-29 05:37:18
○ 2026-04-29 23:58:02
● 2026-04-30 12:31:18
○ 2026-04-30 19:04:20
● 2026-05-02 22:11:30
● 2026-05-03 13:19:40
○ 2026-05-04 11:46:10
○ 2026-05-06 00:02:06
● 2026-05-08 00:06:46
○ 2026-05-08 01:25:16
● 2026-05-08 16:35:36
○ 2026-05-12 03:08:14
○ 2026-05-24 23:12:46
● 2026-05-25 15:49:42
● 2026-05-25 19:46:48
○ 2026-05-26 09:42:18
● 2026-05-27 13:46:00
○ 2026-05-27 16:00:54
○ 2026-05-29 16:54:30
● 2026-05-31 20:26:50
● 2026-06-04 22:43:38
○ 2026-06-04 23:58:36
● 2026-06-05 16:44:24
● 2026-06-12 01:11:06
○ 2026-06-13 04:27:08
● 2026-06-15 03:43:10
○ 2026-06-19 20:00:12
● 2026-06-25 05:25:12
○ 2026-06-27 10:57:24
● 2026-07-04 19:32:08
○ 2026-07-04 20:06:34
○ 2026-07-05 01:02:44

●NSdns2.p09.nsone.net2026-02-22 → 2026-07-05 · 5 obs

● 2026-02-22 16:43:18
● 2026-03-06 08:46:48
○ 2026-03-07 00:25:48
● 2026-03-07 11:20:40
● 2026-07-05 01:02:44

○NSdns3.p01.nsone.net2026-02-24 → 2026-07-04 · 56 obs

●NSdns3.p09.nsone.net2026-02-22 → 2026-07-05 · 5 obs

● 2026-02-22 16:43:18
● 2026-03-06 08:46:48
○ 2026-03-07 00:25:48
● 2026-03-07 11:20:40
● 2026-07-05 01:02:44

○NSdns4.p01.nsone.net2026-02-24 → 2026-07-04 · 56 obs

●NSdns4.p09.nsone.net2026-02-22 → 2026-07-05 · 5 obs

● 2026-02-22 16:43:18
● 2026-03-06 08:46:48
○ 2026-03-07 00:25:48
● 2026-03-07 11:20:40
● 2026-07-05 01:02:44

●NSns-1183.awsdns-19.org2026-02-22 → 2026-07-05 · 2 obs

● 2026-02-22 16:43:18
● 2026-07-05 01:02:44

●NSns-1727.awsdns-23.co.uk2026-02-22 → 2026-07-05 · 2 obs

● 2026-02-22 16:43:18
● 2026-07-05 01:02:44

●NSns-271.awsdns-33.com2026-02-22 → 2026-07-05 · 2 obs

● 2026-02-22 16:43:18
● 2026-07-05 01:02:44

●NSns-828.awsdns-39.net2026-02-22 → 2026-07-05 · 2 obs

● 2026-02-22 16:43:18
● 2026-07-05 01:02:44

●A140.82.112.172026-02-22 → 2026-07-05 · 2 obs

● 2026-02-22 16:43:18
● 2026-07-05 01:02:44

●A140.82.112.182026-02-22 → 2026-07-05 · 2 obs

● 2026-02-22 16:43:18
● 2026-07-05 01:02:44

●A140.82.113.172026-02-22 → 2026-07-05 · 2 obs

● 2026-02-22 16:43:18
● 2026-07-05 01:02:44

●A140.82.113.182026-02-22 → 2026-07-05 · 2 obs

● 2026-02-22 16:43:18
● 2026-07-05 01:02:44

●A140.82.114.172026-02-22 → 2026-07-05 · 2 obs

● 2026-02-22 16:43:18
● 2026-07-05 01:02:44

●A140.82.114.182026-02-22 → 2026-07-05 · 2 obs

● 2026-02-22 16:43:18
● 2026-07-05 01:02:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
githubcopilot.com	ns-271.awsdns-33.com, ns-828.awsdns-39.net, ns-1727.awsdns-23.co.uk, ns-1183.awsdns-19.org...	2 records

✅ Authoritative Response

Server:198.51.45.9

NS records: ns-271.awsdns-33.com, ns-828.awsdns-39.net, ns-1727.awsdns-23.co.uk, ns-1183.awsdns-19.org, dns1.p09.nsone.net, dns2.p09.nsone.net, dns3.p09.nsone.net, dns4.p09.nsone.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for githubcopilot.com (unsigned zone)

⏱️ Timing

Total: 337ms | Queries: -

📄 Records

Type	Count	Sample Data
A	6	`140.82.112.17, 140.82.112.18...`
NS	4	`dns1.p01.nsone.net, dns2.p01.nsone.net...`
TXT	1	`v=spf1 -all`
SOA	1	`dns1.p01.nsone.net hostmaster.nsone.net`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-271.awsdns-33.com, ns-271.awsdns-33.com)

Analysis

Hierarchy

www.githubcopilot.com and api.githubcopilot.com each fall under githubcopilot.com as their parent domain.

IP Addresses

githubcopilot.com directs to 6 IP numbers: 140.82.112.17, 140.82.112.18, 140.82.113.17 and 3 other.

Two other host names, along with githubcloud.com, github.be and githubarchive.org, also share IP numbers with githubcopilot.com.

Name Servers

githubcopilot.com delegates authority to 9 name servers: ns-271.awsdns-33.com, ns-828.awsdns-39.net, ns-1183.awsdns-19.org plus 6 other.

There is at least partial name server overlap between githubcopilot.com and other domains — webviews.nl, paultymoshenko.com, ionsys.co.uk and two more among them.

These name servers regularly appear alongside dns1.p09.nsone.net, dns2.p09.nsone.net, dns3.p09.nsone.net and 7 other name servers in NS record sets.

Host names that have two IP addresses:

ns-271.awsdns-33.com directs traffic to 205.251.193.15 and 2600:9000:5301:f00::1.

ns-828.awsdns-39.net directs traffic to 205.251.195.60 and 2600:9000:5303:3c00::1.

ns-1183.awsdns-19.org directs traffic to 205.251.196.159 and 2600:9000:5304:9f00::1.

dns1.p01.nsone.net directs traffic to 198.51.44.1 and 2620:4d:4000:6259:7:1:0:1.

dns1.p09.nsone.net directs traffic to 198.51.44.9 and 2620:4d:4000:6259:7:9:0:1.

dns2.p09.nsone.net directs traffic to 198.51.45.9 and 2a00:edc0:6259:7:9::2.

dns3.p09.nsone.net directs traffic to 198.51.44.73 and 2620:4d:4000:6259:7:9:0:3.

dns4.p09.nsone.net directs traffic to 198.51.45.73 and 2a00:edc0:6259:7:9::4.

ns-1727.awsdns-23.co.uk directs traffic to 205.251.198.191 and 2600:9000:5306:bf00::1.