smtp.ots-ko.com - robtex.com

smtp.ots-ko.com

DNSSEC⚠️ Not signed
A216.230.252.20🇺🇸 PSPinc216.230.248.0/21 Pacific Software Publishing, Inc. 1404 140th Place NE Bellevue WA 98007 US
PTRltsub.alpha-mail.jp

ots-ko.com

DNSSEC⚠️ Not signed
A216.230.253.78🇺🇸 PSPinc216.230.248.0/21 Pacific Software Publishing, Inc. 1404 140th Place NE Bellevue WA 98007 US
NSkotetsu.alpha-lt.net ⭐
NSamdns03.alpha-mail.jp
NStsukuba.aics.ne.jp
MXampub01.alpha-mail.net ⭐
MXampub02.alpha-mail.net ⭐
MXampub03.alpha-mail.net ⭐
MXampub04.alpha-mail.net(50)
TXTv=spf1 ip4:157.205.202.0/24 ip4:157.205.203.128/25 ip4:216.230.250.0/24 ip4:2...
SOAkotetsu.alpha-lt.netpostmaster@alpha-web.ne.jp 2023-07-27 #8

Same first word

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DNS History

2 records (1 active, 1 former)

20162017201820192020202120222023202420252026A216.230.252.20216.230.254.26
●A216.230.252.202026-05-11 → 2026-05-11 · 2 obs
○ 2016-09-09 07:48:28
● 2026-05-11 16:50:58
○A216.230.254.262015-08-25 → 2016-09-09 · 3 obs
● 2015-08-25 16:35:04
● 2016-09-09 07:48:28
○ 2026-05-11 16:50:58

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coml.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...-
ots-ko.comkotetsu.alpha-lt.net, tsukuba.aics.ne.jp, amdns03.alpha-mail.jp-

✅ Authoritative Response

Server:157.205.252.6

NS records: kotetsu.alpha-lt.net, tsukuba.aics.ne.jp, amdns03.alpha-mail.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ots-ko.com (unsigned zone)

⏱️ Timing

Total: 999ms | Queries: -

📄 Records

TypeCountSample Data
A1216.230.252.20

Analysis

IP Addresses

smtp.ots-ko.com points to a single IP: 216.230.252.20.

Other host names, for instance smtp.lss-f.co.jp, smtp.alljapanbeauty.co.jp, ltsub.alpha-mail.jp, smtp.kashou.co.jp and smtp.inoue-tosouten.co.jp share IP numbers with smtp.ots-ko.com.