mx.com21.or.jp - robtex.com

mx.com21.or.jp

DNSSEC⚠️ Not signed
A210.166.146.43🇯🇵 KDDI210.166.128.0/18 -P
PTRmx43.memenet.or.jp
A210.166.146.44🇯🇵 KDDI210.166.128.0/18 -P

com21.or.jp

DNSSEC⚠️ Not signed
A210.166.146.102🇯🇵 KDDI210.166.128.0/18 -P
NSns1.memenet.or.jp ⭐
NScache.memenet.or.jp
NSns2.memenet.or.jp
MXmx.com21.or.jp ⭐
MXcache.memenet.or.jp(20)
TXTv=spf1 ip4:210.166.146.0/24 include:spfgw.fsi.ne.jp ~all
SOAns1.memenet.or.jproot@ns1.memenet.or.jp 2025-11-11 #1
WOT: SAFE (61/100)

MX for

com21.or.jp

Same first word

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mx.s3-website-eu-west-1.amazonaws.com
mx.s3-website-us-east-1.amazonaws.com
mx.design
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Similar names

xm.mk
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xm.money
xm.be
xm.cz
xm.hk.cn
xm.fj.cn
xm.pl
xm.vn.ua
xm.house

DNS History

2 records (2 active, 0 former)

A210.166.146.43210.166.146.44
●A210.166.146.432026-02-26 → 2026-03-26 · 2 obs
● 2026-02-26 02:14:20
● 2026-03-26 15:37:02
●A210.166.146.442026-02-26 → 2026-03-26 · 2 obs
● 2026-02-26 02:14:20
● 2026-03-26 15:37:02

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpa.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp...-
com21.or.jpns1.memenet.or.jp, cache.memenet.or.jp, ns2.memenet.or.jp3 records

✅ Authoritative Response

Server:210.166.146.2

NS records: ns1.memenet.or.jp, cache.memenet.or.jp, ns2.memenet.or.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for com21.or.jp (unsigned zone)

⏱️ Timing

Total: 1132ms | Queries: -

📄 Records

TypeCountSample Data
A2210.166.146.44, 210.166.146.43

📌 Glue Records Collected

Total: 3

Out-of-bailiwick: 3 (cache.memenet.or.jp, ns2.memenet.or.jp, ns1.memenet.or.jp)

Analysis

Mail Server Role

mx.com21.or.jp is the mail server for com21.or.jp.

cache.memenet.or.jp is a mail server commonly used with mx.com21.or.jp.

IP Addresses

mx.com21.or.jp resolves to two IP numbers: 210.166.146.43 and 210.166.146.44.

other host names including mx.anago-hiiragi.com, mx.matsui-chain.jp, mx.jamin.jp, mx.catholic-himeji.com and mx.jmax.biz share IP numbers with mx.com21.or.jp.