ns1.dns21.jp - robtex.com

ns1.dns21.jp

DNSSEC⚠️ Not signed
A203.152.205.99🇯🇵 InfoSphere203.152.192.0/19 INTERLINK
PTR203.152.205.99.static.zoot.jp

dns21.jp

DNSSEC⚠️ Not signed
NSns1.dns21.jp ⭐
NS2nd.dnsv.jp
NSns2.dns21.jp
SOAns1.dns21.jppostmaster@fig.co.jp 2025-01-20 #1

NS for

asf.ne.jp
kaikarou.jp
03office.com
adias.co.jp
tele-all-one.com
po-club.net
tax-sato.com
dns21.jp
fig.co.jp
chugaikisyo.co.jp
toumei-corp.com
taikan.biz

Previously NS for

y-naika.com
tt-hospital.jp
kyoya-h.com
outboundcall.jp
takanodai.net

Same first word

ns1.ge
ns1.paas.hosted-by-previder.com
ns1.si
ns1.jelastic.saveincloud.net
ns1.altervista.org
ns1.v.ua
ns1.perspecta.cloud
ns1.tv
ns1.ch.trendhosting.cloud
ns1.com.ru
ns1.drud.us
ns1.org.kp
ns1.eu.org
ns1.com.au
ns1.km
ns1.byen.site
ns1.csx.cc
ns1.whm.fr-par.scw.cloud
ns1.idf.il
ns1.rep.kp
ns1.hk
ns1.in.ua
ns1.sekd1.beebyteapp.io
ns1.to.gov.br
ns1.work
ns1.mediatech.by
ns1.net.au
ns1.com.kp
ns1.alpha-myqnapcloud.com
ns1.dep.no
ns1.paas.massivegrid.com
ns1.mircloud.ru
ns1.familyds.com
ns1.glug.org.uk
ns1.pl
ns1.kapsi.fi
ns1.in
ns1.police.uk
ns1.yandexcloud.net
ns1.fun
ns1.zone
ns1.memset.net
ns1.kinghost.net
ns1.es
ns1.jc.neen.it
ns1.info.at
ns1.freedesktop.org
ns1.cz
ns1.gov.kp
ns1.org.ph
ns1.jelastic.dogado.eu
ns1.it
ns1.bg
ns1.onavstack.net
ns1.com
ns1.edu.bb
ns1.cn
ns1.fra1-de.cloudjiffy.net
ns1.mil.ru
ns1.com.ph
ns1.de
ns1.name
ns1.beep.pl
ns1.net
ns1.siteleaf.net
ns1.kr
ns1.co.kr
ns1.co.ca
ns1.mynascloud.com
ns1.pr.gov.br
ns1.id
ns1.k12.la.us
ns1.is
ns1.gouv.ml
ns1.duckdns.org
ns1.shop
ns1.uni5.net
ns1.oxa.cloud
ns1.ibxos.it
ns1.gov.nr
ns1.jls-sto3.elastx.net
ns1.ch
ns1.paas.datacenter.fi
ns1.nf
ns1.gov.me
ns1.edu.kp
ns1.gov.ao
ns1.com.co
ns1.myfritz.net
ns1.go.gov.br
ns1.jcloud.ik-server.com
ns1.dyndns.org
ns1.am.gov.br
ns1.west1-us.cloudjiffy.net
ns1.myqnapcloud.com
ns1.webthings.io
ns1.synology.me
ns1.gov.mn
ns1.fastly-edge.com
ns1.mircloud.host

Similar names

1ns.com.cn
s1n.fr
1sn.net
1ns.de
n1s.ch
n1s.at
sn1.kz
n1s.dk
sn1.net
s1n.ru
1ns.me
sn1.info
s1n.be
1ns.pl
1ns.org
1ns.us
1sn.com.br
sn1.jp
1ns.co.jp
n1s.co

DNS History

1 record (1 active, 0 former)

A203.152.205.99
●A203.152.205.992026-02-19 → 2026-03-27 · 2 obs
● 2026-02-19 21:18:30
● 2026-03-27 23:29:50

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpa.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp...-
dns21.jp2nd.dnsv.jp, ns1.dns21.jp, ns2.dns21.jp2 records

✅ Authoritative Response

Server:203.152.205.99

NS records: 2nd.dnsv.jp, ns1.dns21.jp, ns2.dns21.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for dns21.jp (unsigned zone)

⏱️ Timing

Total: 1013ms | Queries: -

📄 Records

TypeCountSample Data
A1203.152.205.99

📌 Glue Records Collected

Total: 2

In-bailiwick: 2 (ns1.dns21.jp, ns2.dns21.jp)

Analysis

Name Server Role

ns1.dns21.jp serves as a name server for the domains asf.ne.jp, kaikarou.jp, 03office.com, adias.co.jp and tele-all-one.com, along with a few other domains.

ns2.dns21.jp and 2nd.dnsv.jp commonly function as name servers alongside ns1.dns21.jp.

IP Addresses

ns1.dns21.jp resolves to one IP number: 203.152.205.99.

Other host names, for instance 203.152.205.99.static.zoot.jp, ns1.dcsv.jp and ns1.ecsv.jp share IP numbers with ns1.dns21.jp.