mail.kbu.jp - robtex.com

mail.kbu.jp

DNSSEC⚠️ Not signed
A182.171.79.90🇯🇵 So-net182.168.0.0/14 Sony Network Communications Inc.
PTRns2.telcom.co.jp

kbu.jp

DNSSEC⚠️ Not signed
NScorp.kbu.jp ⭐
NSns1.telcom.co.jp
NSns2.telcom.co.jp
MXmail.kbu.jp ⭐
TXTv=spf1 ip4:182.171.79.90 -all
SOAcorp.kbu.jphostmaster@kbu.jp serial=25

MX for

kbu.jp

Same first word

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DNS History

2 records (1 active, 1 former)

20162017201820192020202120222023202420252026A182.171.79.90219.118.173.227
●A182.171.79.902015-09-24 → 2026-04-26 · 3 obs
○ 2015-05-13 04:31:10
● 2015-09-24 04:58:40
● 2026-04-26 17:31:24
○A219.118.173.2272015-05-13 → 2015-05-13 · 3 obs
● 2015-05-13 04:31:10
○ 2015-09-24 04:58:40
○ 2026-04-26 17:31:24

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jph.dns.jp, d.dns.jp, b.dns.jp, c.dns.jp...-
kbu.jpns1.telcom.co.jp, ns2.telcom.co.jp2 records

✅ Authoritative Response

Server:182.171.79.89

NS records: ns1.telcom.co.jp, ns2.telcom.co.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for kbu.jp (unsigned zone)

⏱️ Timing

Total: 744ms | Queries: -

📄 Records

TypeCountSample Data
A1182.171.79.90

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1.telcom.co.jp, ns2.telcom.co.jp)

Analysis

Mail Server Role

mail.kbu.jp serves as the mail server for kbu.jp.

IP Addresses

mail.kbu.jp points to a single IP: 182.171.79.90.

Other host names such as ns2.telcom.co.jp and mail.powup.jp share IP numbers with mail.kbu.jp.