ark21.net - robtex.com

ark21.net

DNSSEC⚠️ Not signed
A203.141.133.214🇯🇵 InfoSphere203.141.128.0/19 INTERLINK
PTRark21.net
NS01.dnsv.jp ⭐
A2400:8500:3300::53🇯🇵 GMO-DNS2400:8500:3300::/48 GMO Internet,inc.
PTR01.dnsv.jp
A157.7.32.53🇯🇵 GMO-DNS157.7.32.0/24 GMO Internet,inc. Network-Team.
PTR01.dnsv.jp
NS02.dnsv.jp
A157.7.33.53🇯🇵 GMO-DNS157.7.33.0/24 GMO Internet,inc. Network-Team.
PTR02.dnsv.jp
NS03.dnsv.jp ⚠️ Not in parent delegation
A2400:8500:3000::53🇯🇵 GMO-DNS2400:8500:3000::/48 GMO Internet,inc.
PTR03.dnsv.jp
A157.7.34.53🇯🇵 GMO-DNS157.7.34.0/24 GMO Internet,inc. Network-Team.
PTR03.dnsv.jp
NS04.dnsv.jp ⚠️ Not in parent delegation
A2400:8500:3fff::53🇯🇵 GMO-DNS2400:8500:3fff::/48 GMO Internet,inc.
PTR04.dnsv.jp
A157.7.35.53🇯🇵 GMO-DNS157.7.35.0/24 GMO Internet,inc. Network-Team.
PTR04.dnsv.jp
MXmail.ark21.net ⭐
A203.141.133.214🇯🇵 InfoSphere203.141.128.0/19 INTERLINK
PTRark21.net
SOA01.dnsv.jphostmaster@dnsv.jp serial=1375747432

net

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1774920447

PTR for

214.133.141.203.in-addr.arpa

Subdomains

mail.ark21.net

Same first word

ark21.net
ark21.org
ark21.it
ark21.jp

Similar names

21ark.com
ark12.com
21ark.com.cn
rak12.org
k12ar.us
kra12.vip
kra12.cc

DNS History

6 records (6 active, 0 former)

20162017201820192020202120222023202420252026NS01.dnsv.jp02.dnsv.jp03.dnsv.jp04.dnsv.jpMXmail.ark21.netA203.141.133.214
●NS01.dnsv.jp2015-08-04 → 2026-03-31 · 2 obs
● 2015-08-04 11:35:02
● 2026-03-31 01:52:10
●NS02.dnsv.jp2015-08-04 → 2026-03-31 · 2 obs
● 2015-08-04 11:35:02
● 2026-03-31 01:52:10
●NS03.dnsv.jp2015-08-04 → 2026-03-31 · 2 obs
● 2015-08-04 11:35:02
● 2026-03-31 01:52:10
●NS04.dnsv.jp2015-08-04 → 2026-03-31 · 2 obs
● 2015-08-04 11:35:02
● 2026-03-31 01:52:10
●MXmail.ark21.net2015-08-04 → 2026-03-31 · 2 obs
● 2015-08-04 11:35:02
● 2026-03-31 01:52:10
●A203.141.133.2142015-08-04 → 2026-03-31 · 2 obs
● 2015-08-04 11:35:02
● 2026-03-31 01:52:10

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
netl.gtld-servers.net, i.gtld-servers.net, m.gtld-servers.net, c.gtld-servers.net...-
ark21.net01.dnsv.jp, 02.dnsv.jp-

✅ Authoritative Response

Server:157.7.33.53

NS records: 01.dnsv.jp, 02.dnsv.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ark21.net (unsigned zone)

⏱️ Timing

Total: 951ms | Queries: -

📄 Records

TypeCountSample Data
A1203.141.133.214
NS401.dnsv.jp, 02.dnsv.jp...
MX1mail.ark21.net (pri: 10)
SOA101.dnsv.jp hostmaster.dnsv.jp

Analysis

Hierarchy

mail.ark21.net has ark21.net as its parent.

IP Addresses

ark21.net maps to IP address 203.141.133.214.

Other host names, for example, mail.ark21.net share IP numbers with ark21.net.

Name Servers

ark21.net is delegated to four name servers: 01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp and 04.dnsv.jp.

ark21.net at least partially shares name servers with other domains such as sushi-jin-nagano.com, at-tohoku.co.jp, tabilabel.com, junion.org and ojuzu.com.

Host names with two IP numbers:

01.dnsv.jp points to: 2400:8500:3300::53 and 157.7.32.53.

03.dnsv.jp points to: 2400:8500:3000::53 and 157.7.34.53.

04.dnsv.jp points to: 2400:8500:3fff::53 and 157.7.35.53.

Host names with one IP number:

02.dnsv.jp points to: 157.7.33.53.

Mail Servers

ark21.net is handled by a single mail server, mail.ark21.net.

mail.ark21.net points to one IP number: 203.141.133.214.