mail.occ21.com - robtex.com

mail.occ21.com

DNSSEC⚠️ Not signed
A121.254.243.197🇰🇷 DACOM-NET121.254.128.0/17 contact noc@bora.net if necessary
PTRq05.asadal.net

occ21.com

DNSSEC⚠️ Not signed
A119.205.211.103🇰🇷 KT-NET119.200.0.0/13 Korea Telecom, Seoul, Korea
NSroot.occ21.com ⭐
NSns3.cs21.com ⚠️ Not in zone NS records
NSns4.cs21.com ⚠️ Not in zone NS records
MXmail.occ21.com ⭐
TXTv=spf1 ip4:121.254.243.197 ip4:110.45.144.28 ip4:121.170.192.59 ~all
SOAroot.occ21.com2016041515 serial=3600

MX for

occ21.com

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DNS History

1 record (1 active, 0 former)

20162017201820192020202120222023202420252026A121.254.243.197
●A121.254.243.1972015-05-08 → 2026-08-03 · 2 obs
● 2015-05-08 17:04:20
● 2026-08-03 15:47:28

🔍 DNS Trace

Analysis

Mail Server Role

The mail server mail.occ21.com processes email for occ21.com.

IP Addresses

mail.occ21.com resolves to just one IP address, 121.254.243.197.

Two other host names, along with mail.soce.co.kr, winwinglobal.com and besteverkorea.com, also share IP numbers with mail.occ21.com.