`northgrid.jp`

DNSSEC	⚠️ Not signed
A	124.155.74.29^{🇯🇵 ASAHI-NET124.155.64.0/18}
		PTR	`v074029.ppp.asahi-net.or.jp`
NS	`ns.northgrid.jp` ⭐
		A	59.158.47.126^{🇯🇵 UCOM59.158.0.0/15 ARTERIA Networks Corporation(UCOM)}
NS	`ns.northgrid.co.jp`
		A	59.87.155.254^{🇯🇵 UCOM59.87.0.0/16 ARTERIA Networks Corporation(UCOM)}
NS	`ns2.northgrid.co.jp`
		A	59.87.155.253^{🇯🇵 UCOM59.87.0.0/16 ARTERIA Networks Corporation(UCOM)}
NS	`ns3.northgrid.co.jp`
		A	115.163.125.174^{🇯🇵 So-net115.162.0.0/15 Sony Network Communications Inc.}
			PTR	`ip73a37dae.ap.nuro.jp`
NS	`ns4.northgrid.co.jp`
		A	115.163.125.173^{🇯🇵 So-net115.162.0.0/15 Sony Network Communications Inc.}
			PTR	`ip73a37dad.ap.nuro.jp`
SOA	`ns.northgrid.jp`admin@northgrid.co.jp 2023-05-01 #1

`jp`

	DNSSEC	🔒 Signed (DS record present)
	NS	`z.dns.jp` ⭐
	NS	`a.dns.jp`
	NS	`b.dns.jp`
	NS	`c.dns.jp`
	NS	`d.dns.jp`
	NS	`e.dns.jp`
	NS	`f.dns.jp`
	NS	`g.dns.jp`
	NS	`h.dns.jp`
	SOA	`z.dns.jp`root@dns.jp serial=1778371203

Subdomains

ns3.northgrid.jp

ns.northgrid.jp

ns2.northgrid.jp

ns4.northgrid.jp

Same first word

northgrid.jp

northgrid.ca

northgrid.com

northgrid.ac.uk

northgrid.co.jp

Similar names

gridnorth.org

DNS History

9 records (6 active, 3 former)

●NSns.northgrid.co.jp2026-04-17 → 2026-05-10 · 3 obs

○ 2016-06-20 23:26:36
● 2026-04-17 04:34:00
● 2026-05-10 00:26:46

●NSns.northgrid.jp2015-08-02 → 2026-05-10 · 2 obs

● 2015-08-02 19:39:42
● 2026-05-10 00:26:46

●NSns2.northgrid.co.jp2026-04-17 → 2026-05-10 · 3 obs

○ 2016-06-20 23:26:36
● 2026-04-17 04:34:00
● 2026-05-10 00:26:46

○NSns2.northgrid.jp2015-08-02 → 2016-06-20 · 4 obs

● 2015-08-02 19:39:42
● 2016-06-20 23:26:36
○ 2026-04-17 04:34:00
○ 2026-05-10 00:26:46

●NSns3.northgrid.co.jp2026-04-17 → 2026-05-10 · 3 obs

○ 2016-06-20 23:26:36
● 2026-04-17 04:34:00
● 2026-05-10 00:26:46

○NSns3.northgrid.jp2015-08-02 → 2016-06-20 · 4 obs

● 2015-08-02 19:39:42
● 2016-06-20 23:26:36
○ 2026-04-17 04:34:00
○ 2026-05-10 00:26:46

●NSns4.northgrid.co.jp2026-04-17 → 2026-05-10 · 3 obs

○ 2016-06-20 23:26:36
● 2026-04-17 04:34:00
● 2026-05-10 00:26:46

○NSns4.northgrid.jp2015-08-02 → 2016-06-20 · 4 obs

● 2015-08-02 19:39:42
● 2016-06-20 23:26:36
○ 2026-04-17 04:34:00
○ 2026-05-10 00:26:46

●A124.155.74.292015-08-02 → 2026-05-10 · 2 obs

● 2015-08-02 19:39:42
● 2026-05-10 00:26:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
jp	a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp...	-
northgrid.jp	ns4.northgrid.co.jp, ns.northgrid.co.jp, ns2.northgrid.co.jp, ns3.northgrid.co.jp	4 records

✅ Authoritative Response

Server:115.163.125.174

NS records: ns4.northgrid.co.jp, ns.northgrid.co.jp, ns2.northgrid.co.jp, ns3.northgrid.co.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for northgrid.jp (unsigned zone)

⏱️ Timing

Total: 1026ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`124.155.74.29`
NS	4	`ns2.northgrid.co.jp, ns.northgrid.co.jp...`
SOA	1	`ns.northgrid.jp admin.northgrid.co.jp`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns.northgrid.co.jp, ns2.northgrid.co.jp, ns3.northgrid.co.jp...)

Analysis

Hierarchy

northgrid.jp is a parent of ns3.northgrid.jp, ns.northgrid.jp, ns2.northgrid.jp and ns4.northgrid.jp.

IP Addresses

northgrid.jp points to a single IP: 124.155.74.29.

Other host names, for instance www.proself.jp, ns3.northgrid.jp, ns3.eushully.com, proself.jp and simsafe.jp share IP numbers with northgrid.jp.

Name Servers

northgrid.jp is delegated to five name servers: ns.northgrid.jp, ns2.northgrid.co.jp, ns3.northgrid.co.jp, ns4.northgrid.co.jp and ns.northgrid.co.jp.

northgrid.jp partially shares name servers with other domains; examples include bishop.jp, eushully.com, ene-v.com, mailproxy.jp and bishop.gr.jp.