mail.koikuru.com - robtex.com

mail.koikuru.com

DNSSEC⚠️ Not signed
A103.13.152.210🇯🇵 KRONOS103.13.152.0/22 YOYOGI NETWORK LIMITED
PTRkoikuru.com
MXmail.koikuru.com ⭐
A103.13.152.210🇯🇵 KRONOS103.13.152.0/22 YOYOGI NETWORK LIMITED
PTRkoikuru.com
TXTv=spf1 +ip4:103.13.152.0/22 +ip4:103.62.244.0/22 +ip4:182.54.248.0/22 +ip4:18...

koikuru.com

DNSSEC⚠️ Not signed
A103.13.152.210🇯🇵 KRONOS103.13.152.0/22 YOYOGI NETWORK LIMITED
NS01.dnsv.jp ⭐
NS02.dnsv.jp
NS03.dnsv.jp
NS04.dnsv.jp
MXmail.koikuru.com ⭐
TXTv=spf1 +ip4:103.13.152.0/22 +ip4:103.62.244.0/22 +ip4:182.54.248.0/22 +ip4:18...
SOA01.dnsv.jphostmaster@dnsv.jp serial=1579747637

MX for

mail.koikuru.com
koikuru.com

Same first word

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DNS History

3 records (2 active, 1 former)

201820192020202120222023202420252026MXmail.koikuru.comA103.13.152.210210.136.45.107
●MXmail.koikuru.com2017-12-24 → 2026-04-12 · 2 obs
● 2017-12-24 05:15:34
● 2026-04-12 07:07:54
●A103.13.152.2102026-02-14 → 2026-04-12 · 3 obs
○ 2017-12-24 05:15:34
● 2026-02-14 20:40:54
● 2026-04-12 07:07:54
○A210.136.45.1072017-12-24 → 2017-12-24 · 3 obs
● 2017-12-24 05:15:34
○ 2026-02-14 20:40:54
○ 2026-04-12 07:07:54

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coml.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...-
koikuru.com01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp, 04.dnsv.jp-

✅ Authoritative Response

Server:157.7.35.53

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for koikuru.com (unsigned zone)

⏱️ Timing

Total: 717ms | Queries: -

📄 Records

TypeCountSample Data
A1103.13.152.210
MX1mail.koikuru.com (pri: 10)
TXT1v=spf1 +ip4:103.13.152.0/22 +ip4:103.62.

Analysis

Mail Server Role

mail.koikuru.com serves as the mail server for mail.koikuru.com and koikuru.com.

IP Addresses

mail.koikuru.com resolves to one IP number: 103.13.152.210.

Other host names, for example koikuru.com, share IP numbers with mail.koikuru.com.

Mail Servers

mail.koikuru.com is handled by a single mail server, mail.koikuru.com.

mail.koikuru.com shares the same mail server setup as other domains, for example koikuru.com.

Host name mail.koikuru.com resolves to a single IP: 103.13.152.210.