`mastermap.net`

DNSSEC	⚠️ Not signed
NS	`ns3.sphere.ad.jp` ⚠️ Not in zone NS records
		A	202.239.113.22^{🇯🇵 InfoSphere202.239.64.0/18 INFOSPHERE}
			PTR	`ns3.sphere.ad.jp`
NS	`ns4.sphere.ad.jp` ⚠️ Not in zone NS records
		A	202.239.113.30^{🇯🇵 InfoSphere202.239.64.0/18 INFOSPHERE}
			PTR	`ns4.sphere.ad.jp`

`net`

	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=1771291465

Same first word

mastermap.co.nz

mastermap.ch

mastermap.de

mastermap.net

mastermap.ru

mastermap.com

Similar names

DNS History

4 records (2 active, 2 former)

●NSns3.sphere.ad.jp2007-09-20 → 2026-03-12 · 3 obs

● 2007-09-20 08:33:02
○ 2015-06-22 05:04:34
● 2026-03-12 08:29:14

●NSns4.sphere.ad.jp2007-09-20 → 2026-03-12 · 3 obs

● 2007-09-20 08:33:02
○ 2015-06-22 05:04:34
● 2026-03-12 08:29:14

○MXmastermap.net2007-09-20 → 2007-09-20 · 3 obs

● 2007-09-20 08:33:02
○ 2015-06-22 05:04:34
○ 2026-03-12 08:29:14

○A203.138.213.1302007-09-20 → 2007-09-20 · 3 obs

● 2007-09-20 08:33:02
○ 2015-06-22 05:04:34
○ 2026-03-12 08:29:14

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	c.gtld-servers.net, l.gtld-servers.net, g.gtld-servers.net, b.gtld-servers.net...	-
mastermap.net	ns3.sphere.ad.jp, ns4.sphere.ad.jp	-

✅ Authoritative Response

Server: 202.239.113.30

NS records: ns3.sphere.ad.jp, ns4.sphere.ad.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mastermap.net (unsigned zone)

⏱️ Timing

Total: 1289ms | Queries: -

📄 Records

Type	Count	Sample Data

Analysis

Name Servers

mastermap.net's delegation uses two name servers, ns3.sphere.ad.jp and ns4.sphere.ad.jp.

mastermap.net shares the same name server setup as other domains, for example www.psnl.co.jp, k-f-p.co.jp, omega-system.on.arena.ne.jp, suite2-202-212-216-147.on.arena.ne.jp and ti-comnet.com.

mastermap.net partially shares its name servers with other domains, for example psi-net.jp and pqs1.com.

Host names with a single IP:

ns3.sphere.ad.jp points to 202.239.113.22.

ns4.sphere.ad.jp points to 202.239.113.30.

mastermap.net - robtex.com

mastermap.net

net