tas21.jp - robtex.com

tas21.jp

DNSSEC⚠️ Not signed
A210.140.68.119🇯🇵 IDC210.140.64.0/19 Frontier Inc.
PTRmail.tas21.jp
NSns01.idcfcloud.com ⭐
A210.140.183.89🇯🇵 IDC210.140.128.0/18 Frontier Inc.
NSns02.idcfcloud.com
A211.10.28.207🇯🇵 IDC211.10.0.0/19 Frontier Inc.
NSns03.idcfcloud.com
A202.230.203.7🇯🇵 IDC202.230.200.0/22 Frontier Inc.
MXmail.tas21.jp ⭐
A210.140.68.119🇯🇵 IDC210.140.64.0/19 Frontier Inc.
PTRmail.tas21.jp
TXTv=spf1 include:_spf.tas21.jp ~all
SOAns01.idcfcloud.compostmaster@tas21.jp serial=54

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=1784293203
WOT: SAFE (61/100)
📈 Tranco rank: #894,705

Subdomains

info.tas21.jp
mail.tas21.jp

Same first word

tas21.jp

Similar names

ats21.com
sat12.net
a21st.com
sat12.com
sat21.com
21sat.com
sat21.biz

DNS History

10 records (5 active, 5 former)

20162017201820192020202120222023202420252026NSns01.idcfcloud.comns02.idcfcloud.comns03.idcfcloud.comph00261.cside.jpMXmail.tas21.jpcfx03.new-core.comcfx04.new-core.comph00261.cside.jpA210.140.68.119202.191.117.189
●NSns01.idcfcloud.com2026-03-13 → 2026-07-17 · 3 obs
○ 2017-06-23 00:56:16
● 2026-03-13 22:43:52
● 2026-07-17 13:17:42
●NSns02.idcfcloud.com2026-03-13 → 2026-07-17 · 3 obs
○ 2017-06-23 00:56:16
● 2026-03-13 22:43:52
● 2026-07-17 13:17:42
●NSns03.idcfcloud.com2026-03-13 → 2026-07-17 · 3 obs
○ 2017-06-23 00:56:16
● 2026-03-13 22:43:52
● 2026-07-17 13:17:42
○NSph00261.cside.jp2015-07-26 → 2017-06-23 · 4 obs
● 2015-07-26 02:04:30
● 2017-06-23 00:56:16
○ 2026-03-13 22:43:52
○ 2026-07-17 13:17:42
○MXcfx03.new-core.com2015-07-26 → 2017-06-23 · 4 obs
● 2015-07-26 02:04:30
● 2017-06-23 00:56:16
○ 2026-03-13 22:43:52
○ 2026-07-17 13:17:42
○MXcfx04.new-core.com2015-07-26 → 2017-06-23 · 4 obs
● 2015-07-26 02:04:30
● 2017-06-23 00:56:16
○ 2026-03-13 22:43:52
○ 2026-07-17 13:17:42
●MXmail.tas21.jp2026-03-13 → 2026-07-17 · 3 obs
○ 2017-06-23 00:56:16
● 2026-03-13 22:43:52
● 2026-07-17 13:17:42
○MXph00261.cside.jp2015-07-26 → 2017-06-23 · 4 obs
● 2015-07-26 02:04:30
● 2017-06-23 00:56:16
○ 2026-03-13 22:43:52
○ 2026-07-17 13:17:42
○A202.191.117.1892015-07-26 → 2017-06-23 · 4 obs
● 2015-07-26 02:04:30
● 2017-06-23 00:56:16
○ 2026-03-13 22:43:52
○ 2026-07-17 13:17:42
●A210.140.68.1192026-03-13 → 2026-07-17 · 3 obs
○ 2017-06-23 00:56:16
● 2026-03-13 22:43:52
● 2026-07-17 13:17:42

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpe.dns.jp, g.dns.jp, c.dns.jp, a.dns.jp...-
tas21.jpns01.idcfcloud.com, ns02.idcfcloud.com, ns03.idcfcloud.com-

✅ Authoritative Response

Server:202.230.203.7

NS records: ns01.idcfcloud.com, ns02.idcfcloud.com, ns03.idcfcloud.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for tas21.jp (unsigned zone)

⏱️ Timing

Total: 1310ms | Queries: -

📄 Records

TypeCountSample Data
A1210.140.68.119
NS3ns01.idcfcloud.com, ns03.idcfcloud.com...
MX1mail.tas21.jp (pri: 5)
TXT1v=spf1 include:_spf.tas21.jp ~all
SOA1ns01.idcfcloud.com postmaster.tas21.jp

Analysis

Hierarchy

tas21.jp is the parent domain of info.tas21.jp and mail.tas21.jp.

IP Addresses

tas21.jp points to a single IP number: 210.140.68.119.

mail.tas21.jp is an example of another host name that shares IP numbers with tas21.jp.

Name Servers

tas21.jp has three name servers — ns01.idcfcloud.com, ns02.idcfcloud.com and ns03.idcfcloud.com.

tas21.jp partially shares its NS delegation with several other domains, including user-space.cdn.idcfcloud.net, midomo.jp, cleanup.jp and two others.

Each of the three hostnames points to exactly one IP address: ns01.idcfcloud.com points to 210.140.183.89, ns02.idcfcloud.com points to 211.10.28.207 and ns03.idcfcloud.com points to 202.230.203.7.

Mail Servers

tas21.jp has one mail server: mail.tas21.jp.

mail.tas21.jp points to one IP number — 210.140.68.119.