sfilter.dongah21.com - robtex.com

sfilter.dongah21.com

DNSSEC⚠️ Not signed
A211.40.221.190🇰🇷 DACOM-NET211.40.0.0/16 contact noc@bora.net if necessary
PTRspam.mailwood.com

dongah21.com

DNSSEC⚠️ Not signed
NSns2.kornet.net ⭐
NSns.kornet.net
NSns231.dnsever.com ⚠️ Not in zone NS records
NSns67.dnsever.com ⚠️ Not in zone NS records
MXsfilter.mailwood.com ⭐
MXsfilter.dongah21.com(20)
TXTv=spf1 ip4:61.42.1.6 ip4:211.50.142.185 ~all
SOAns.kornet.netdomain@ns.kornet.net 2026-04-10 #0

MX for

dongah21.com

Same first word

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DNS History

1 record (1 active, 0 former)

A211.40.221.190
●A211.40.221.1902026-04-13 → 2026-04-13 · 2 obs
● 2026-04-13 07:47:36
● 2026-04-13 09:45:20

🔍 DNS Trace

Analysis

Mail Server Role

sfilter.dongah21.com functions as a mail server for dongah21.com.

sfilter.mailwood.com is a mail server commonly used with sfilter.dongah21.com.

IP Addresses

sfilter.dongah21.com resolves to one IP number: 211.40.221.190.

other host names including sfilter.kopa.or.kr, mail.ngw.sk-hm.co.kr, sfilter.aialife.co.kr, sfilter.xpeed.com and sfilter.hsvalve.com share IP numbers with sfilter.dongah21.com.