mx.21tech.co.jp - robtex.com

mx.21tech.co.jp

DNSSEC⚠️ Not signed
A153.122.206.94🇯🇵 AS131921153.122.192.0/20 GMO CLOUD K.K. GMO GlobalSign Holdings K.K.

21tech.co.jp

DNSSEC⚠️ Not signed
A153.122.205.38🇯🇵 AS131921153.122.192.0/20 GMO CLOUD K.K. GMO GlobalSign Holdings K.K.
NSns1.shsvr.net ⭐
NSns2.shsvr.net
MXmx.21tech.co.jp ⭐
TXTv=spf1 include:_spf.shared-server.net ~all
TXTgoogle-site-verification=Ph83UII2-8BrG5vt8mRaqPl_5LgiBNlPWU3D94AxHK0
SOAns1.shsvr.netns2@shsvr.net serial=2

MX for

21tech.co.jp

Same first word

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mx.s3-website-us-east-1.amazonaws.com
mx.design
mx.s3-website-us-west-1.amazonaws.com
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mx.global.prod.fastly.net
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mx.ru
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mx.mba
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Similar names

xm.vn.ua
xm.house
xm.mk
xm.com
xm.biz
xm.media
xm.fyi
xm.pe
xm.wtf
xm.nl
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xm.lc
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xm.life
xm.net
xm.cm
xm.co
xm.com.cn
xm.co.za

DNS History

2 records (1 active, 1 former)

201820192020202120222023202420252026A153.122.206.94211.13.204.14
●A153.122.206.942026-03-10 → 2026-03-28 · 3 obs
○ 2017-05-16 09:38:18
● 2026-03-10 02:03:04
● 2026-03-28 01:25:54
○A211.13.204.142017-05-16 → 2017-05-16 · 3 obs
● 2017-05-16 09:38:18
○ 2026-03-10 02:03:04
○ 2026-03-28 01:25:54

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpa.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp...-
21tech.co.jpns2.shsvr.net, ns1.shsvr.net-

✅ Authoritative Response

Server:157.120.114.232

NS records: ns2.shsvr.net, ns1.shsvr.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 21tech.co.jp (unsigned zone)

⏱️ Timing

Total: 3692ms | Queries: -

📄 Records

TypeCountSample Data
A1153.122.206.94

Analysis

Mail Server Role

mx.21tech.co.jp functions as a mail server for 21tech.co.jp.

IP Addresses

mx.21tech.co.jp resolves to one IP number: 153.122.206.94.

other host names including mx.kino(0x73686974)a-photostudio.com, mx.anisys.com, mx.rightserve.co.jp, mx.tokyo-kudamono.com and mx.okyuan.jp share IP numbers with mx.21tech.co.jp.