github.co.jp - dns.ninja

`github.co.jp`

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.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`
SOA	`dns1.p04.nsone.net`hostmaster@nsone.net serial=1646320729

`co.jp`

	DNSSEC	⚠️ Not signed
	TXT	`co.jp.`

rank #295880 globally
rank #5065 in the tld
WOT: SAFE (74/100)
📈 Tranco rank: #444,821
WOT: SAFE (58/100)

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DNS History

20 records (12 active, 8 former)

●NSdns1.p04.nsone.net2026-03-03 → 2026-06-04 · 3 obs

○ 2018-07-10 10:45:02
● 2026-03-03 07:38:44
● 2026-06-04 14:00:24

●NSdns2.p04.nsone.net2026-03-03 → 2026-06-04 · 3 obs

○ 2018-07-10 10:45:02
● 2026-03-03 07:38:44
● 2026-06-04 14:00:24

●NSdns3.p04.nsone.net2026-03-03 → 2026-06-04 · 3 obs

○ 2018-07-10 10:45:02
● 2026-03-03 07:38:44
● 2026-06-04 14:00:24

●NSdns4.p04.nsone.net2026-03-03 → 2026-06-04 · 3 obs

○ 2018-07-10 10:45:02
● 2026-03-03 07:38:44
● 2026-06-04 14:00:24

○NSns1.p16.dynect.net2017-01-10 → 2018-07-10 · 4 obs

● 2017-01-10 12:44:26
● 2018-07-10 10:45:02
○ 2026-03-03 07:38:44
○ 2026-06-04 14:00:24

○NSns2.p16.dynect.net2017-01-10 → 2018-07-10 · 4 obs

● 2017-01-10 12:44:26
● 2018-07-10 10:45:02
○ 2026-03-03 07:38:44
○ 2026-06-04 14:00:24

○NSns3.p16.dynect.net2017-01-10 → 2018-07-10 · 4 obs

● 2017-01-10 12:44:26
● 2018-07-10 10:45:02
○ 2026-03-03 07:38:44
○ 2026-06-04 14:00:24

○NSns4.p16.dynect.net2017-01-10 → 2018-07-10 · 4 obs

● 2017-01-10 12:44:26
● 2018-07-10 10:45:02
○ 2026-03-03 07:38:44
○ 2026-06-04 14:00:24

○A151.101.1.1472017-01-10 → 2017-01-10 · 3 obs

● 2017-01-10 12:44:26
○ 2018-07-10 10:45:02
○ 2026-06-04 14:00:24

○A151.101.129.1472017-01-10 → 2017-01-10 · 3 obs

● 2017-01-10 12:44:26
○ 2018-07-10 10:45:02
○ 2026-06-04 14:00:24

○A151.101.193.1472017-01-10 → 2017-01-10 · 3 obs

● 2017-01-10 12:44:26
○ 2018-07-10 10:45:02
○ 2026-06-04 14:00:24

○A151.101.65.1472017-01-10 → 2017-01-10 · 3 obs

● 2017-01-10 12:44:26
○ 2018-07-10 10:45:02
○ 2026-06-04 14:00:24

●A185.199.108.1532018-07-10 → 2026-06-04 · 3 obs

○ 2017-01-10 12:44:26
● 2018-07-10 10:45:02
● 2026-06-04 14:00:24

●A185.199.109.1532018-07-10 → 2026-06-04 · 3 obs

○ 2017-01-10 12:44:26
● 2018-07-10 10:45:02
● 2026-06-04 14:00:24

●A185.199.110.1532018-07-10 → 2026-06-04 · 3 obs

○ 2017-01-10 12:44:26
● 2018-07-10 10:45:02
● 2026-06-04 14:00:24

●A185.199.111.1532018-07-10 → 2026-06-04 · 3 obs

○ 2017-01-10 12:44:26
● 2018-07-10 10:45:02
● 2026-06-04 14:00:24

●A2606:50c0:8000::1532026-03-03 → 2026-06-04 · 3 obs

○ 2018-07-10 10:45:02
● 2026-03-03 07:38:44
● 2026-06-04 14:00:24

●A2606:50c0:8001::1532026-03-03 → 2026-06-04 · 3 obs

○ 2018-07-10 10:45:02
● 2026-03-03 07:38:44
● 2026-06-04 14:00:24

●A2606:50c0:8002::1532026-03-03 → 2026-06-04 · 3 obs

○ 2018-07-10 10:45:02
● 2026-03-03 07:38:44
● 2026-06-04 14:00:24

●A2606:50c0:8003::1532026-03-03 → 2026-06-04 · 3 obs

○ 2018-07-10 10:45:02
● 2026-03-03 07:38:44
● 2026-06-04 14:00:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
jp	a.dns.jp, h.dns.jp, e.dns.jp, d.dns.jp...	-
github.co.jp	dns3.p04.nsone.net, dns2.p04.nsone.net, dns1.p04.nsone.net, dns4.p04.nsone.net	-

✅ Authoritative Response

Server:198.51.44.68

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for github.co.jp (unsigned zone)

⏱️ Timing

Total: 1178ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`185.199.109.153, 185.199.108.153...`
AAAA	4	`2606:50c0:8003::153, 2606:50c0:8002::153...`
NS	4	`dns1.p04.nsone.net, dns2.p04.nsone.net...`
SOA	1	`dns1.p04.nsone.net hostmaster.nsone.net`

Analysis

IP Addresses

github.co.jp directs to 8 IP numbers, among them 185.199.108.153, 185.199.109.153, 185.199.110.153 and five others.

Among the host names that share IP numbers with github.co.jp are beccalynch.com, hopps.in, agrowknow.com and two others.

Name Servers

The DNS delegation for github.co.jp covers 4 name servers — dns1.p04.nsone.net, dns2.p04.nsone.net, dns3.p04.nsone.net and dns4.p04.nsone.net.

github.co.jp has at least partial name server overlap with other domains, such as livecareer.pt, lovelymusicgroup.com, sookimdesign.com and two others.

ns01.squarespacedns.com, ns02.squarespacedns.com and ns03.squarespacedns.com — plus seven other name servers — are routinely found together with these name servers.

dns1.p04.nsone.net, dns2.p04.nsone.net, dns3.p04.nsone.net and dns4.p04.nsone.net all point to exactly two IP numbers each: dns1.p04.nsone.net → 198.51.44.4 and 2620:4d:4000:6259:7:4:0:1; dns2.p04.nsone.net → 198.51.45.4 and 2a00:edc0:6259:7:4::2; dns3.p04.nsone.net → 198.51.44.68 and 2620:4d:4000:6259:7:4:0:3; dns4.p04.nsone.net → 198.51.45.68 and 2a00:edc0:6259:7:4::4.