mail2.btech.jp - robtex.com

mail2.btech.jp

DNSSEC⚠️ Not signed
A140.227.151.153🇯🇵 InfoSphere140.227.0.0/16 INFOSPHERE
PTR140-227-151-153.pro.static.arena.ne.jp

btech.jp

DNSSEC⚠️ Not signed
A140.227.151.153🇯🇵 InfoSphere140.227.0.0/16 INFOSPHERE
NS01.dnsv.jp ⭐
NS02.dnsv.jp
NS03.dnsv.jp
NS04.dnsv.jp
MXmail2.btech.jp ⭐
TXTgoogle-site-verification=TcWJTjyVnGnxk2y0aWm3hvTw6a-RRvPtQWLNOMHEsyA
TXTv=spf1 ip4:140.227.151.153 ~all
SOA01.dnsv.jphostmaster@dnsv.jp serial=1773031323

MX for

btech.jp
novelty.btech.jp

Same first word

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DNS History

1 record (1 active, 0 former)

A140.227.151.153
●A140.227.151.1532026-04-13 → 2026-04-24 · 2 obs
● 2026-04-13 04:36:56
● 2026-04-24 18:18:50

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpf.dns.jp, g.dns.jp, d.dns.jp, c.dns.jp...-
btech.jp02.dnsv.jp, 04.dnsv.jp, 01.dnsv.jp, 03.dnsv.jp7 records

✅ Authoritative Response

Server:157.7.32.53

NS records: 02.dnsv.jp, 04.dnsv.jp, 01.dnsv.jp, 03.dnsv.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for btech.jp (unsigned zone)

⏱️ Timing

Total: 872ms | Queries: -

📄 Records

TypeCountSample Data
A1140.227.151.153

📌 Glue Records Collected

Total: 7

Out-of-bailiwick: 7 (04.dnsv.jp, 03.dnsv.jp, 02.dnsv.jp...)

Analysis

Mail Server Role

The mail server for btech.jp and novelty.btech.jp is mail2.btech.jp.

IP Addresses

mail2.btech.jp points to a single IP number: 140.227.151.153.

Other host names, for instance ism-inc.net, osamaoyatsu.jp, www-live.osamaoyatsu.jp, novelty.btech.jp and 140-227-151-153.pro.static.arena.ne.jp share IP numbers with mail2.btech.jp.