21d.jp - robtex.com

21d.jp

DNSSEC⚠️ Not signed
A153.122.146.252🇯🇵 AS131921153.122.144.0/20 GMO CLOUD K.K. GMO GlobalSign Holdings K.K.
NSdns1.poa.svr4u.net ⭐
A157.120.112.238🇯🇵 GMOHS-CL157.120.112.0/24 GMO GlobalSign Holdings K.K.
A157.120.113.238🇯🇵 GMOHS-CL157.120.113.0/24 GMO GlobalSign Holdings K.K.
A157.120.114.238🇯🇵 GMOHS-CL157.120.114.0/24 GMO GlobalSign Holdings K.K.
NSdns2.poa.svr4u.net
A157.120.112.238🇯🇵 GMOHS-CL157.120.112.0/24 GMO GlobalSign Holdings K.K.
A157.120.113.238🇯🇵 GMOHS-CL157.120.113.0/24 GMO GlobalSign Holdings K.K.
A157.120.114.238🇯🇵 GMOHS-CL157.120.114.0/24 GMO GlobalSign Holdings K.K.
SOAdns1.poa.svr4u.netroot@poa.svr4u.net serial=2737619667

jp

DNSSEC🔒 Signed (DS record present)
NSz.dns.jp ⭐
NSa.dns.jp
NSb.dns.jp
NSc.dns.jp
NSd.dns.jp
NSe.dns.jp
NSf.dns.jp
NSg.dns.jp
NSh.dns.jp
SOAz.dns.jproot@dns.jp serial=1774606502

Same first word

21d.cn
21d.org
21d.net
21d.eu
21d.de
21d.com
21d.jp
21d.link
21d.co.uk

Similar names

d21.de
d21.eu
d21.im
d12.cc
d21.com.br
d12.com.br
d12.pl
d21.top
d21.cn
d12.ch
1d2.com
1d2.org
d12.me
d12.ru
d21.fun
2d1.biz
12d.org
d21.bg
12d.net
d12.org
d21.cl
d12.com
2d1.org
2d1.eu
2d1.de
d21.hu
1d2.fr
d21.pl
d21.org
d12.at
d12.be
d21.ir
12d.us
d21.media
d12.co.za
12d.com
d12.net
d12.uk
d12.jp
d12.se
d12.co
d21.nu
1d2.net
d12.ca
2d1.net
d21.com
d12.cz
d21.jp
d12.fr
d21.ru
12d.ru
d12.de
d12.nl
12d.tv
d12.eu
12d.it
d21.k12.il.us
2d1.cn
d12.es
d21.info
d12.com.tr
d21.ca
d21.asia
1d2.de
d21.it
d21.site
d21.co
12d.co
1d2.cc
d21.me
12d.space
d21.com.cn
d21.co.jp
d21.team
12d.com.cn
12d.de
d21.cz
d21.es

DNS History

3 records (3 active, 0 former)

NSdns1.poa.svr4u.netdns2.poa.svr4u.netA153.122.146.252
●NSdns1.poa.svr4u.net2026-03-26 → 2026-03-27 · 2 obs
● 2026-03-26 14:17:58
● 2026-03-27 10:25:46
●NSdns2.poa.svr4u.net2026-03-26 → 2026-03-27 · 2 obs
● 2026-03-26 14:17:58
● 2026-03-27 10:25:46
●A153.122.146.2522026-03-26 → 2026-03-27 · 2 obs
● 2026-03-26 14:17:58
● 2026-03-27 10:25:46

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpe.dns.jp, g.dns.jp, c.dns.jp, a.dns.jp...-
21d.jpdns1.poa.svr4u.net, dns2.poa.svr4u.net-

✅ Authoritative Response

Server:157.120.113.238

NS records: dns1.poa.svr4u.net, dns2.poa.svr4u.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 21d.jp (unsigned zone)

⏱️ Timing

Total: 1455ms | Queries: -

📄 Records

TypeCountSample Data
A1153.122.146.252
NS2dns1.poa.svr4u.net, dns2.poa.svr4u.net
SOA1dns1.poa.svr4u.net root.poa.svr4u.net

Analysis

IP Addresses

21d.jp points to an IP address: 153.122.146.252.

Name Servers

Two name servers dns1.poa.svr4u.net and dns2.poa.svr4u.net handle the delegation for 21d.jp.

21d.jp uses the same name server setup as other domains, including vps.soluna.ne.jp, wo-vps.gmocloud.com and solidsystem.net.

21d.jp at least partially shares name servers with other domains, such as 2way-world.com, 2way.co.jp and pshare06.soluna.ne.jp.

These name servers are commonly used with the following: ns1.vps-gmocloud.com, ns2.vps-gmocloud.com, ns1.wo-vps.gmocloud.com and ns2.wo-vps.gmocloud.com.

Host names with three IP numbers:

dns1.poa.svr4u.net points to 157.120.112.238, 157.120.113.238 and 157.120.114.238

dns2.poa.svr4u.net points to 157.120.112.238, 157.120.113.238 and 157.120.114.238

Hosts that point to 157.120.112.238 are dns1.poa.svr4u.net and dns2.poa.svr4u.net

Hosts that point to 157.120.113.238 are dns1.poa.svr4u.net and dns2.poa.svr4u.net

Hosts that point to 157.120.114.238 are dns1.poa.svr4u.net and dns2.poa.svr4u.net