mx.art21.co.jp - robtex.com

mx.art21.co.jp

DNSSEC⚠️ Not signed
A153.122.6.43🇯🇵 AS131921153.122.0.0/20 GMO CLOUD K.K. GMO GlobalSign Holdings K.K.
PTRmailsvr03.art21.co.jp

art21.co.jp

DNSSEC⚠️ Not signed
A122.221.93.36🇯🇵 UCOM122.220.0.0/15 ARTERIA Networks Corporation(UCOM)
NSns1.art21.co.jp ⭐
NSsdi05.h-ix.jp
MXmx.art21.co.jp ⭐
TXTv=spf1 +ip4:153.128.31.111 +ip4:122.221.93.36 +ip4:122.221.93.42 +ip4:122.221...
SOAns1.art21.co.jppostmaster@art21.co.jp 2026-03-17 #0
WOT: SAFE (60/100)

MX for

art21.co.jp

Same first word

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mx.kh.ua
mx.md
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mx.support
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mx.duckdns.org
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mx.s3-website-us-east-1.amazonaws.com
mx.design
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mx.nf
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mx.mil.lv
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mx.com.mx
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mx.tn
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Similar names

xm.biz
xm.media
xm.fyi
xm.pe
xm.wtf
xm.nl
xm.cn
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xm.city
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xm.ru
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xm.hu
xm.com.co
xm.africa
xm.fi
xm.is
xm.am
xm.money
xm.be
xm.cz
xm.hk.cn
xm.fj.cn
xm.pl
xm.vn.ua
xm.house
xm.mk
xm.com

DNS History

3 records (1 active, 2 former)

20162017201820192020202120222023202420252026A153.122.6.43153.128.31.111153.149.7.100
●A153.122.6.432026-02-17 → 2026-04-13 · 3 obs
○ 2016-10-11 22:33:24
● 2026-02-17 06:02:12
● 2026-04-13 17:33:04
○A153.128.31.1112015-10-22 → 2016-10-11 · 5 obs
○ 2015-05-21 13:31:16
● 2015-10-22 06:26:56
● 2016-10-11 22:33:24
○ 2026-02-17 06:02:12
○ 2026-04-13 17:33:04
○A153.149.7.1002015-05-21 → 2015-05-21 · 3 obs
● 2015-05-21 13:31:16
○ 2015-10-22 06:26:56
○ 2026-04-13 17:33:04

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpe.dns.jp, g.dns.jp, c.dns.jp, a.dns.jp...-
art21.co.jpsdi05.h-ix.jp, ns1.art21.co.jp2 records

✅ Authoritative Response

Server:61.198.16.45

NS records: sdi05.h-ix.jp, ns1.art21.co.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for art21.co.jp (unsigned zone)

⏱️ Timing

Total: 794ms | Queries: -

📄 Records

TypeCountSample Data
A1153.122.6.43

📌 Glue Records Collected

Total: 2

In-bailiwick: 1 (ns1.art21.co.jp)

Out-of-bailiwick: 1 (sdi05.h-ix.jp)

Analysis

Mail Server Role

mx.art21.co.jp serves as the mail server for art21.co.jp.

IP Addresses

mx.art21.co.jp points to a single IP: 153.122.6.43.

Other host names, for instance mx.shinyo.in, mx.work-scci.net, mx.rincon.co.jp, mx.marguerite.co.jp and mx.sapporo-shimin-gallery.jp share IP numbers with mx.art21.co.jp.