`githubsupport.com`

DNSSEC	⚠️ Not signed
NS	`dns1.p04.nsone.net` ⭐
		A	2620:4d:4000:6259:7:4:0:1^{🇺🇸 NSONE2620:4d:4000::/48 2620:4D:4000::/48}
			PTR	`dns1.p04.nsone.net`
		A	198.51.44.4^{🇺🇸 NSONE198.51.44.0/24 198.51.44.0}
			PTR	`dns1.p04.nsone.net`
NS	`dns2.p04.nsone.net`
		A	2a00:edc0:6259:7:4::2^{🇺🇸 NSONE2a00:edc0:6259::/48 NS1-2}
			PTR	`dns2.p04.nsone.net`
		A	198.51.45.4^{🇺🇸 NSONE198.51.45.0/24 198.51.45.0}
			PTR	`dns2.p04.nsone.net`
NS	`dns3.p04.nsone.net`
		A	2620:4d:4000:6259:7:4:0:3^{🇺🇸 NSONE2620:4d:4000::/48 2620:4D:4000::/48}
			PTR	`dns3.p04.nsone.net`
		A	198.51.44.68^{🇺🇸 NSONE198.51.44.0/24 198.51.44.0}
			PTR	`dns3.p04.nsone.net`
NS	`dns4.p04.nsone.net`
		A	2a00:edc0:6259:7:4::4^{🇺🇸 NSONE2a00:edc0:6259::/48 NS1-2}
			PTR	`dns4.p04.nsone.net`
		A	198.51.45.68^{🇺🇸 NSONE198.51.45.0/24 198.51.45.0}
			PTR	`dns4.p04.nsone.net`
MX	`github-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:f802::2^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-sj2pr05cu00202.inbound.protection.outlook.com`
		A	2a01:111:f403:f802::3^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-sj0pr03cu01403.inbound.protection.outlook.com`
		A	2a01:111:f403:f901::2^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-bl2pr02cu00402.inbound.protection.outlook.com`
		A	2a01:111:f403:f908::^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-bn1pr21cu00100.inbound.protection.outlook.com`
		A	52.101.8.46^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-dm6pr05cu00406.inbound.protection.outlook.com`
		A	52.101.9.12^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-bl0pr05cu00504.inbound.protection.outlook.com`
		A	52.101.9.17^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
		A	52.101.41.28^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sj0pr03cu01504.inbound.protection.outlook.com`
TXT	`MS=ms53808000`
TXT	`v=spf1 include:_spf.google.com include:mail.zendesk.com include:_spf.qualtric...`
SOA	`dns1.p04.nsone.net`hostmaster@nsone.net serial=1646320704

`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=1778378876

Same first word

githubsupport.com

DNS History

14 records (5 active, 9 former)

●NSdns1.p04.nsone.net2026-02-24 → 2026-05-10 · 3 obs

○ 2019-06-25 14:52:30
● 2026-02-24 06:11:36
● 2026-05-10 02:29:24

●NSdns2.p04.nsone.net2026-02-24 → 2026-05-10 · 3 obs

○ 2019-06-25 14:52:30
● 2026-02-24 06:11:36
● 2026-05-10 02:29:24

●NSdns3.p04.nsone.net2026-02-24 → 2026-05-10 · 3 obs

○ 2019-06-25 14:52:30
● 2026-02-24 06:11:36
● 2026-05-10 02:29:24

●NSdns4.p04.nsone.net2026-02-24 → 2026-05-10 · 3 obs

○ 2019-06-25 14:52:30
● 2026-02-24 06:11:36
● 2026-05-10 02:29:24

○NSns1.p16.dynect.net2019-06-25 → 2019-06-25 · 3 obs

● 2019-06-25 14:52:30
○ 2026-02-24 06:11:36
○ 2026-05-10 02:29:24

○NSns2.p16.dynect.net2019-06-25 → 2019-06-25 · 3 obs

● 2019-06-25 14:52:30
○ 2026-02-24 06:11:36
○ 2026-05-10 02:29:24

○NSns3.p16.dynect.net2019-06-25 → 2019-06-25 · 3 obs

● 2019-06-25 14:52:30
○ 2026-02-24 06:11:36
○ 2026-05-10 02:29:24

○NSns4.p16.dynect.net2019-06-25 → 2019-06-25 · 3 obs

● 2019-06-25 14:52:30
○ 2026-02-24 06:11:36
○ 2026-05-10 02:29:24

○MXalt1.aspmx.l.google.com2019-06-25 → 2026-03-17 · 4 obs

● 2019-06-25 14:52:30
● 2026-03-17 08:24:14
○ 2026-03-20 01:34:48
○ 2026-05-10 02:29:24

○MXalt2.aspmx.l.google.com2019-06-25 → 2026-03-17 · 4 obs

● 2019-06-25 14:52:30
● 2026-03-17 08:24:14
○ 2026-03-20 01:34:48
○ 2026-05-10 02:29:24

○MXalt3.aspmx.l.google.com2019-06-25 → 2026-03-17 · 4 obs

● 2019-06-25 14:52:30
● 2026-03-17 08:24:14
○ 2026-03-20 01:34:48
○ 2026-05-10 02:29:24

○MXalt4.aspmx.l.google.com2019-06-25 → 2026-03-17 · 4 obs

● 2019-06-25 14:52:30
● 2026-03-17 08:24:14
○ 2026-03-20 01:34:48
○ 2026-05-10 02:29:24

○MXaspmx.l.google.com2019-06-25 → 2026-03-17 · 4 obs

● 2019-06-25 14:52:30
● 2026-03-17 08:24:14
○ 2026-03-20 01:34:48
○ 2026-05-10 02:29:24

●MXgithub-com.mail.protection.outlook.com2026-03-20 → 2026-05-10 · 3 obs

○ 2026-03-17 08:24:14
● 2026-03-20 01:34:48
● 2026-05-10 02:29:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
githubsupport.com	dns1.p04.nsone.net, dns2.p04.nsone.net, dns3.p04.nsone.net, dns4.p04.nsone.net	-

✅ Authoritative Response

Server:198.51.44.68

NS records: dns1.p04.nsone.net, dns2.p04.nsone.net, dns3.p04.nsone.net, dns4.p04.nsone.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for githubsupport.com (unsigned zone)

⏱️ Timing

Total: 255ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	4	`dns1.p04.nsone.net, dns2.p04.nsone.net...`
MX	1	`github-com.mail.protection.outlook.com (`
TXT	2	`MS=ms53808000, v=spf1 include:_spf.google.com include:m`
SOA	1	`dns1.p04.nsone.net hostmaster.nsone.net`

Analysis

Name Servers

githubsupport.com is delegated to four name servers: dns1.p04.nsone.net, dns2.p04.nsone.net, dns3.p04.nsone.net and dns4.p04.nsone.net.

githubsupport.com at least partially shares name servers with other domains, including makiisma.com, beautybos.com, warnermusic.co.za, studiojcreative.co and byondart.com.

These name servers are typically used together with the name servers ns01.squarespacedns.com, ns02.squarespacedns.com, ns03.squarespacedns.com, ns04.squarespacedns.com, dns1.p01.nsone.net, dns2.p01.nsone.net, dns3.p01.nsone.net, dns4.p01.nsone.net, connect1.squarespacedns.com and connect2.squarespacedns.com.

Hosts with two IP numbers:

Host dns1.p04.nsone.net points to 2620:4d:4000:6259:7:4:0:1 and 198.51.44.4

Host dns2.p04.nsone.net points to 2a00:edc0:6259:7:4::2 and 198.51.45.4

Host dns3.p04.nsone.net points to 2620:4d:4000:6259:7:4:0:3 and 198.51.44.68

Host dns4.p04.nsone.net points to 2a00:edc0:6259:7:4::4 and 198.51.45.68

Mail Servers

githubsupport.com is handled by a single mail server, github-com.mail.protection.outlook.com.

githubsupport.com shares the same mail server setup as other domains, for instance support.github.com, github.com, github.partners and bouh.net.

Hostname github-com.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:f802::2, 2a01:111:f403:f802::3, 2a01:111:f403:f901::2, 2a01:111:f403:f908::, 52.101.8.46, 52.101.9.12, 52.101.9.17 and 52.101.41.28.

githubsupport.com - robtex.com