`net-stu.com`

DNSSEC	⚠️ Not signed
A	153.122.205.2^{🇯🇵 AS131921153.122.192.0/20 GMO CLOUD K.K. GMO GlobalSign Holdings K.K.}
NS	`ns2.namedserver.net` ⭐
		A	157.120.112.212^{🇯🇵 GMOHS-CL157.120.112.0/24 GMO GlobalSign Holdings K.K.}
		A	157.120.113.212^{🇯🇵 GMOHS-CL157.120.113.0/24 GMO GlobalSign Holdings K.K.}
		A	157.120.114.212^{🇯🇵 GMOHS-CL157.120.114.0/24 GMO GlobalSign Holdings K.K.}
NS	`ns.namedserver.net`
		A	157.120.112.212^{🇯🇵 GMOHS-CL157.120.112.0/24 GMO GlobalSign Holdings K.K.}
		A	157.120.113.212^{🇯🇵 GMOHS-CL157.120.113.0/24 GMO GlobalSign Holdings K.K.}
		A	157.120.114.212^{🇯🇵 GMOHS-CL157.120.114.0/24 GMO GlobalSign Holdings K.K.}
MX	`mx.net-stu.com` ⭐
		A	153.122.206.114^{🇯🇵 AS131921153.122.192.0/20 GMO CLOUD K.K. GMO GlobalSign Holdings K.K.}
TXT	`v=spf1 include:_spf.shared-server.net ~all`
SOA	`ns.namedserver.net`root@namedserver.net serial=2698675586

`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=1774731907

Subdomains

mx.net-stu.com

Same first word

net-stu.com

Similar names

stu-net.jp

e-stunt.nl

ten-tsu.com

ts-tune.de

e-nutts.com

t-netsu.co.jp

t-tunes.de

test-nu.dk

DNS History

7 records (4 active, 3 former)

●NSns.namedserver.net2016-04-01 → 2026-03-28 · 3 obs

○ 2016-01-14 06:14:48
● 2016-04-01 16:32:22
● 2026-03-28 21:18:32

○NSns1.jca.or.jp2015-06-11 → 2016-01-14 · 4 obs

● 2015-06-11 15:12:34
● 2016-01-14 06:14:48
○ 2016-04-01 16:32:22
○ 2026-03-28 21:18:32

○NSns2.jca.or.jp2015-06-11 → 2016-01-14 · 4 obs

● 2015-06-11 15:12:34
● 2016-01-14 06:14:48
○ 2016-04-01 16:32:22
○ 2026-03-28 21:18:32

●NSns2.namedserver.net2016-04-01 → 2026-03-28 · 3 obs

○ 2016-01-14 06:14:48
● 2016-04-01 16:32:22
● 2026-03-28 21:18:32

●MXmx.net-stu.com2015-06-11 → 2026-03-28 · 2 obs

● 2015-06-11 15:12:34
● 2026-03-28 21:18:32

●A153.122.205.22026-03-27 → 2026-03-28 · 3 obs

○ 2017-03-21 07:56:28
● 2026-03-27 23:16:52
● 2026-03-28 21:18:32

○A211.13.204.32015-06-11 → 2017-03-21 · 4 obs

● 2015-06-11 15:12:34
● 2017-03-21 07:56:28
○ 2026-03-27 23:16:52
○ 2026-03-28 21:18:32

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	i.gtld-servers.net, k.gtld-servers.net, g.gtld-servers.net, c.gtld-servers.net...	-
net-stu.com	ns.namedserver.net, ns2.namedserver.net	-

✅ Authoritative Response

Server:157.120.112.212

NS records: ns.namedserver.net, ns2.namedserver.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for net-stu.com (unsigned zone)

⏱️ Timing

Total: 895ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`153.122.205.2`
NS	2	`ns2.namedserver.net, ns.namedserver.net`
MX	1	`mx.net-stu.com (pri: 100)`
TXT	1	`v=spf1 include:_spf.shared-server.net ~a`
SOA	1	`ns.namedserver.net root.namedserver.net`

Analysis

Hierarchy

The parent of mx.net-stu.com is net-stu.com.

IP Addresses

net-stu.com points to a single IP address: 153.122.205.2.

Other host names such as futami-tsushin.jp, tanpopoah.com, kk-nes.jp, ogusu.co.jp and www.concave.jp share IPs with net-stu.com.

Name Servers

Two name servers ns2.namedserver.net and ns.namedserver.net handle the delegation for net-stu.com.

net-stu.com shares the same name server setup as other domains, for example 194.3.122.153.in-addr.arpa, hirose-valves.co.jp, 127.85.122.153.in-addr.arpa, sic-net.com and iwashiro-seitai.com.

net-stu.com partially shares name servers with other domains, for example 148.122.153.in-addr.arpa and 136.122.153.in-addr.arpa.

These name servers are often used together with ns1.rsjpserver.net and ns2.rsjpserver.net.

Host names with three IP numbers:

ns2.namedserver.net points to 157.120.112.212, 157.120.113.212 and 157.120.114.212.

ns.namedserver.net points to 157.120.112.212, 157.120.113.212 and 157.120.114.212.

Names pointing to 157.120.112.212 are ns2.namedserver.net and ns.namedserver.net.

Names pointing to 157.120.113.212 are ns2.namedserver.net and ns.namedserver.net.

Names pointing to 157.120.114.212 are ns2.namedserver.net and ns.namedserver.net.

Mail Servers

The mx.net-stu.com mail server handles net-stu.com.

mx.net-stu.com points to a single IP number: 153.122.206.114.

net-stu.com - robtex.com

net-stu.com

com