mail.tkf.co.jp - robtex.com

mail.tkf.co.jp

DNSSEC⚠️ Not signed
A140.227.243.206🇯🇵 InfoSphere140.227.0.0/16 INFOSPHERE
PTRtkf.co.jp

tkf.co.jp

DNSSEC⚠️ Not signed
A153.127.68.103🇯🇵 SAKURA-A153.127.0.0/17 (ISHIKARI) SAKURA Internet // HOKKAIDO JAPAN BACKBONE Sakaisuji Honmachi Bldg. 9F 1-8-14 Minami-Honmachi, Chuo-ku Osaka 541-0054, Japan
NSasns1.customer.ne.jp ⭐
NSasns2.customer.ne.jp
MXmail.tkf.co.jp ⭐
TXTv=spf1 include:fmx.etius.jp +ip4:140.227.242.2/32 +ip4:140.227.243.206/32 -all
SOAasns1.customer.ne.jph-shioi@tkf.co.jp serial=1715309167

MX for

tkf.co.jp

Same first word

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DNS History

1 record (1 active, 0 former)

A140.227.243.206
●A140.227.243.2062026-05-01 → 2026-05-11 · 2 obs
● 2026-05-01 11:56:44
● 2026-05-11 02:22:32

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpg.dns.jp, a.dns.jp, b.dns.jp, h.dns.jp...-
tkf.co.jpasns1.customer.ne.jp, asns2.customer.ne.jp-

✅ Authoritative Response

Server:210.150.254.86

NS records: asns1.customer.ne.jp, asns2.customer.ne.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for tkf.co.jp (unsigned zone)

⏱️ Timing

Total: 2183ms | Queries: -

📄 Records

TypeCountSample Data
A1140.227.243.206

Analysis

Mail Server Role

mail.tkf.co.jp is the mail server for tkf.co.jp.

IP Addresses

mail.tkf.co.jp points to a single IP number: 140.227.243.206.