CF1759575848129-tsm20251004101907

IPLIST.NET - csg.onnet21.com

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csg.onnet21.com checked at 2025-10-04T11:04:08.106Z 261ms 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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Starts with same word

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AI analysis

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

csg.onnet21.com points to an IP address: 118.128.208.143.

other host names include cns2.onnet21.com, gwss.onnet21.com, gwl2c.onnet21.com, dotech21.onnet21.com and bs.onnet21.com; they share IP numbers with csg.onnet21.com.

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

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

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

The host name gw-spam.mailwood.com points to 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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Jnxihol CF johedugfp 2025-10-04