mail.tcn.jp - robtex.com

mail.tcn.jp

DNSSEC⚠️ Not signed
A211.19.160.108🇯🇵 TCN211.19.160.0/19
PTRusr211019160108.tcn.ne.jp
MXmail.tcn.jp ⭐
A211.19.160.108🇯🇵 TCN211.19.160.0/19
PTRusr211019160108.tcn.ne.jp
TXTv=spf1 ip4:211.19.160.0/25 ~all

tcn.jp

DNSSEC⚠️ Not signed
A35.74.149.230🇯🇵 Amazon35.72.0.0/13 EC2 NRT prefix
NSns1.tcn.ne.jp ⭐
NSns2.tcn.ne.jp
NSns3.tcn.ne.jp
MXtcn-jp.mail.protection.outlook.com ⭐
TXTMS=ms48549590
TXTgoogle-site-verification=oP9-filjjNcplTz5TEhe_AaIetBqCidYOF3_OHXZcYM
TXTgoogle-site-verification=KjbOaQP90NcD-xijYLnQaK8UXENYpAbdfo5_mPwUNJI
TXTv=spf1 ip4:211.19.160.0/25 +ip4:54.95.111.119 +ip4:35.74.149.230 include:spf....
SOAns1.tcn.ne.jproot@ns1.tcn.ne.jp 2026-03-05 #1

MX for

mail.tcn.jp

Previously MX for

tcn.jp

Same first word

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DNS History

2 records (2 active, 0 former)

MXmail.tcn.jpA211.19.160.108
●MXmail.tcn.jp2026-02-22 → 2026-04-23 · 2 obs
● 2026-02-22 22:56:10
● 2026-04-23 17:37:52
●A211.19.160.1082026-02-22 → 2026-04-23 · 2 obs
● 2026-02-22 22:56:10
● 2026-04-23 17:37:52

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpa.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp...-
tcn.jpns2.tcn.ne.jp, ns3.tcn.ne.jp, ns1.tcn.ne.jp3 records

✅ Authoritative Response

Server:211.19.160.1

NS records: ns2.tcn.ne.jp, ns3.tcn.ne.jp, ns1.tcn.ne.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for tcn.jp (unsigned zone)

⏱️ Timing

Total: 906ms | Queries: -

📄 Records

TypeCountSample Data
A1211.19.160.108
MX1mail.tcn.jp (pri: 10)
TXT1v=spf1 ip4:211.19.160.0/25 ~all

📌 Glue Records Collected

Total: 3

Out-of-bailiwick: 3 (ns3.tcn.ne.jp, ns2.tcn.ne.jp, ns1.tcn.ne.jp)

Analysis

Mail Server Role

For mail.tcn.jp, the mail server is mail.tcn.jp.

IP Addresses

mail.tcn.jp resolves to one IP number: 211.19.160.108.

Other host names such as tcn.ne.jp and usr211019160108.tcn.ne.jp share IP numbers with mail.tcn.jp.

Mail Servers

mail.tcn.jp is served by a single mail server, mail.tcn.jp.

mail.tcn.jp resolves to IP 211.19.160.108.