githubsupport.com - dns.ninja

`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:c902::4^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-sj0pr03cu01504.inbound.protection.outlook.com`
		A	2a01:111:f403:c902::7^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-sj0pr02cu00107.inbound.protection.outlook.com`
		A	2a01:111:f403:c922::2^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-bl0pr02cu00702.inbound.protection.outlook.com`
		A	2a01:111:f403:f901::2^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-bl2pr02cu00402.inbound.protection.outlook.com`
		A	52.101.8.34^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-dm2pr04cu00102.inbound.protection.outlook.com`
		A	52.101.9.11^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-bl2pr04cu00103.inbound.protection.outlook.com`
		A	52.101.40.24^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-cy5pr05cu00100.inbound.protection.outlook.com`
		A	52.101.41.24^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sj0pr03cu01600.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=1784828447

Same first word

githubsupport.com

DNS History

14 records (5 active, 9 former)

●NSdns1.p04.nsone.net2026-02-24 → 2026-07-23 · 3 obs

○ 2019-06-25 14:52:30
● 2026-02-24 06:11:36
● 2026-07-23 18:00:24

●NSdns2.p04.nsone.net2026-02-24 → 2026-07-23 · 3 obs

○ 2019-06-25 14:52:30
● 2026-02-24 06:11:36
● 2026-07-23 18:00:24

●NSdns3.p04.nsone.net2026-02-24 → 2026-07-23 · 3 obs

○ 2019-06-25 14:52:30
● 2026-02-24 06:11:36
● 2026-07-23 18:00:24

●NSdns4.p04.nsone.net2026-02-24 → 2026-07-23 · 3 obs

○ 2019-06-25 14:52:30
● 2026-02-24 06:11:36
● 2026-07-23 18:00:24

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

● 2019-06-25 14:52:30
○ 2026-02-24 06:11:36
○ 2026-07-23 18:00:24

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

● 2019-06-25 14:52:30
○ 2026-02-24 06:11:36
○ 2026-07-23 18:00:24

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

● 2019-06-25 14:52:30
○ 2026-02-24 06:11:36
○ 2026-07-23 18:00:24

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

● 2019-06-25 14:52:30
○ 2026-02-24 06:11:36
○ 2026-07-23 18:00:24

○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
○ 2026-07-23 18:00:24

○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
○ 2026-07-23 18:00:24

○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
○ 2026-07-23 18:00:24

○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
○ 2026-07-23 18:00:24

○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
○ 2026-07-23 18:00:24

●MXgithub-com.mail.protection.outlook.com2026-03-20 → 2026-07-23 · 3 obs

○ 2026-03-17 08:24:14
● 2026-03-20 01:34:48
● 2026-07-23 18:00:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.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:198.51.45.4

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: 1657ms | 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

The NS records for githubsupport.com point to four name servers: dns1.p04.nsone.net, dns2.p04.nsone.net, dns3.p04.nsone.net and dns4.p04.nsone.net.

At least some of githubsupport.com's name servers are shared with other domains, for example makiisma.com, jaschilz.com, beautybos.com and two more.

These name servers tend to co-occur with ns01.squarespacedns.com, ns02.squarespacedns.com, ns03.squarespacedns.com and 7 other name servers in the same DNS delegations.

Four hostnames, each resolving to a pair of IP addresses: dns1.p04.nsone.net directs to 198.51.44.4 and 2620:4d:4000:6259:7:4:0:1; dns2.p04.nsone.net directs to 198.51.45.4 and 2a00:edc0:6259:7:4::2; dns3.p04.nsone.net directs to 198.51.44.68 and 2620:4d:4000:6259:7:4:0:3; dns4.p04.nsone.net directs to 198.51.45.68 and 2a00:edc0:6259:7:4::4.

Mail Servers

The sole mail server for githubsupport.com is github-com.mail.protection.outlook.com.

Among the domains sharing a mail server setup with githubsupport.com are support.github.com, github.com, github.partners and two others.

With 8 IP addresses total, github-com.mail.protection.outlook.com resolves to 52.101.8.34, 52.101.9.11, 52.101.40.24 and 5 others.