githubengineering.com - dns.ninja

`githubengineering.com`

DNSSEC	⚠️ Not signed
A	2606:50c0:8000::153^{🇺🇸 Fastly2606:50c0:8000::/48 88 Colin P Kelly Jr Street San Francisco CA 94107 United States}
A	2606:50c0:8001::153^{🇺🇸 Fastly2606:50c0:8001::/48 + 88 Colin P Kelly Jr Street San Francisco CA 94107 United States}
A	2606:50c0:8002::153^{🇺🇸 Fastly2606:50c0:8002::/48 + 88 Colin P Kelly Jr Street San Francisco CA 94107 United States}
A	2606:50c0:8003::153^{🇺🇸 Fastly2606:50c0:8003::/48 + 88 Colin P Kelly Jr Street San Francisco CA 94107 United States}
A	185.199.108.153^{🇺🇸 Fastly185.199.108.0/24 GitHub - 185.199.108.0/24}
A	185.199.109.153^{🇺🇸 Fastly185.199.109.0/24 GitHub - 185.199.109.0/24}
A	185.199.110.153^{🇺🇸 Fastly185.199.110.0/24 GitHub - 185.199.110.0/24}
A	185.199.111.153^{🇺🇸 Fastly185.199.111.0/24 GitHub - 185.199.111.0/24}
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`
SOA	`dns1.p08.nsone.net`hostmaster@nsone.net serial=1646320700

`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=1786328234

rank #145802 globally
rank #62578 in the tld
🔒 HSTS Preload (+subdomains)
WOT: SAFE (89/100)
📈 Tranco rank: #464,219

Same first word

githubengineering.com

DNS History

18 records (12 active, 6 former)

●NSdns1.p08.nsone.net2026-02-19 → 2026-08-10 · 3 obs

○ 2016-12-08 19:19:22
● 2026-02-19 10:55:02
● 2026-08-10 02:20:14

●NSdns2.p08.nsone.net2026-02-19 → 2026-08-10 · 3 obs

○ 2016-12-08 19:19:22
● 2026-02-19 10:55:02
● 2026-08-10 02:20:14

●NSdns3.p08.nsone.net2026-02-19 → 2026-08-10 · 3 obs

○ 2016-12-08 19:19:22
● 2026-02-19 10:55:02
● 2026-08-10 02:20:14

●NSdns4.p08.nsone.net2026-02-19 → 2026-08-10 · 3 obs

○ 2016-12-08 19:19:22
● 2026-02-19 10:55:02
● 2026-08-10 02:20:14

○NSns1.p16.dynect.net2016-12-08 → 2016-12-08 · 3 obs

● 2016-12-08 19:19:22
○ 2026-02-19 10:55:02
○ 2026-08-10 02:20:14

○NSns2.p16.dynect.net2016-12-08 → 2016-12-08 · 3 obs

● 2016-12-08 19:19:22
○ 2026-02-19 10:55:02
○ 2026-08-10 02:20:14

○NSns3.p16.dynect.net2016-12-08 → 2016-12-08 · 3 obs

● 2016-12-08 19:19:22
○ 2026-02-19 10:55:02
○ 2026-08-10 02:20:14

○NSns4.p16.dynect.net2016-12-08 → 2016-12-08 · 3 obs

● 2016-12-08 19:19:22
○ 2026-02-19 10:55:02
○ 2026-08-10 02:20:14

●A185.199.108.1532026-02-19 → 2026-08-10 · 5 obs

○ 2016-12-08 19:19:22
● 2026-02-19 10:55:02
○ 2026-06-23 20:22:34
● 2026-06-24 02:09:16
● 2026-08-10 02:20:14

●A185.199.109.1532026-02-19 → 2026-08-10 · 5 obs

○ 2016-12-08 19:19:22
● 2026-02-19 10:55:02
○ 2026-06-23 20:22:34
● 2026-06-24 02:09:16
● 2026-08-10 02:20:14

●A185.199.110.1532026-02-19 → 2026-08-10 · 5 obs

○ 2016-12-08 19:19:22
● 2026-02-19 10:55:02
○ 2026-06-23 20:22:34
● 2026-06-24 02:09:16
● 2026-08-10 02:20:14

●A185.199.111.1532026-02-19 → 2026-08-10 · 5 obs

○ 2016-12-08 19:19:22
● 2026-02-19 10:55:02
○ 2026-06-23 20:22:34
● 2026-06-24 02:09:16
● 2026-08-10 02:20:14

○A192.30.252.1532016-12-08 → 2016-12-08 · 3 obs

● 2016-12-08 19:19:22
○ 2026-02-19 10:55:02
○ 2026-08-10 02:20:14

○A192.30.252.1542016-12-08 → 2016-12-08 · 3 obs

● 2016-12-08 19:19:22
○ 2026-02-19 10:55:02
○ 2026-08-10 02:20:14

●A2606:50c0:8000::1532026-02-19 → 2026-08-10 · 5 obs

○ 2016-12-08 19:19:22
● 2026-02-19 10:55:02
○ 2026-06-23 20:22:34
● 2026-06-24 02:09:16
● 2026-08-10 02:20:14

●A2606:50c0:8001::1532026-02-19 → 2026-08-10 · 5 obs

○ 2016-12-08 19:19:22
● 2026-02-19 10:55:02
○ 2026-06-23 20:22:34
● 2026-06-24 02:09:16
● 2026-08-10 02:20:14

●A2606:50c0:8002::1532026-02-19 → 2026-08-10 · 5 obs

○ 2016-12-08 19:19:22
● 2026-02-19 10:55:02
○ 2026-06-23 20:22:34
● 2026-06-24 02:09:16
● 2026-08-10 02:20:14

●A2606:50c0:8003::1532026-02-19 → 2026-08-10 · 5 obs

○ 2016-12-08 19:19:22
● 2026-02-19 10:55:02
○ 2026-06-23 20:22:34
● 2026-06-24 02:09:16
● 2026-08-10 02:20:14

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
githubengineering.com	dns1.p08.nsone.net, dns2.p08.nsone.net, dns3.p08.nsone.net, dns4.p08.nsone.net	-

✅ Authoritative Response

Server:198.51.44.8

NS records: 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 githubengineering.com (unsigned zone)

⏱️ Timing

Total: 496ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`185.199.108.153, 185.199.109.153...`
AAAA	4	`2606:50c0:8001::153, 2606:50c0:8003::153...`
NS	4	`dns1.p08.nsone.net, dns2.p08.nsone.net...`
SOA	1	`dns1.p08.nsone.net hostmaster.nsone.net`

Analysis

IP Addresses

githubengineering.com directs to 8 IP numbers: 185.199.108.153, 185.199.109.153, 185.199.110.153 and 5 other.

Two other host names, along with www.clickercode.github.io, spiffcode.github.io and findstar.pe.kr, also share IP numbers with githubengineering.com.

Name Servers

The NS records for githubengineering.com point to four name servers: dns1.p08.nsone.net, dns2.p08.nsone.net, dns3.p08.nsone.net and dns4.p08.nsone.net.

githubengineering.com shares at least some of its name servers with other domains, including catskor.com, roket-loans.net, georgekburns.com and two others.

These name servers are frequently seen alongside ns01.squarespacedns.com, ns02.squarespacedns.com, ns03.squarespacedns.com and 7 other name servers.

The host names dns1.p08.nsone.net, dns2.p08.nsone.net, dns3.p08.nsone.net and dns4.p08.nsone.net each resolve to two IP addresses: dns1.p08.nsone.net resolves to 198.51.44.8 and 2620:4d:4000:6259:7:8:0:1; dns2.p08.nsone.net resolves to 198.51.45.8 and 2a00:edc0:6259:7:8::2; dns3.p08.nsone.net resolves to 198.51.44.72 and 2620:4d:4000:6259:7:8:0:3; dns4.p08.nsone.net resolves to 198.51.45.72 and 2a00:edc0:6259:7:8::4.