CF1759348480802-tsm20251001191430

WWW.RTSAK.COM - csg.onnet21.com

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csg.onnet21.com checked at 2025-10-01T19:54:40.790Z 96ms 47/47/47 100% R:11

csg.onnet21.com

MXgw-spam.mailwood.com
A118.128.208.153🇰🇷 LG Uplus
A118.128.208.143🇰🇷 LG Uplus

onnet21.com

MXgw-spam.mailwood.com
NSnis.dacom.co.kr
NSns2.dacom.co.kr
A118.128.208.143🇰🇷 LG Uplus

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AI analysis

csg.onnet21.com is a parent of mail.csg.onnet21.com and smtp.csg.onnet21.com.

csg.onnet21.com maps to IP address 118.128.208.143.

Other host names, for instance cns2.onnet21.com, gwss.onnet21.com, gwl2c.onnet21.com, dotech21.onnet21.com and bs.onnet21.com share IP numbers with csg.onnet21.com.

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

csg.onnet21.com shares the same mail server setup as other domains, including jetcon.co.kr, incheonnewspaper.com, kpcsw.onnet21.com, onedaynet.onnet21.com and ywtc.com.

csg.onnet21.com shares some mail servers with other domains, at least partially, for instance cellegain.com.

gw-spam.mailwood.com points to one IP number: 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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