CF1759504516133-tsm20251003144104

NSLIST.NET - utong.onnet21.com

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utong.onnet21.com checked at 2025-10-03T15:15:16.085Z 672ms 47/47/47 100% R:12

AI analysis

The parent of mail.utong.onnet21.com is utong.onnet21.com.

utong.onnet21.com points to a single IP: 203.248.195.178.

Other host names, for instance hsin.onnet21.com, cnm.onnet21.com, xtnetwork.onnet21.com, lguplus.onnet21.com and km.onnet21.com share IP numbers with utong.onnet21.com.

utong.onnet21.com is handled by a single mail server, gw-spam.mailwood.com.

utong.onnet21.com has the same mail server setup as other domains, including azonkorea.com, isvi-corp.com, gstn.co.kr, sgcd.co.kr and hsvalve.com.

Some mail servers are shared between utong.onnet21.com and other domains, for example petsbe.com.

gw-spam.mailwood.com points to a single IP: 118.128.208.153.

Perform reverse DNS lookup as well as normal forward DNS. Check Autonomous System Numbers (ASNs) and BGP connections between Internet Service Providers.
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xeWBuOy CF johedugfp 2025-10-03