CF1760499766538-tsm20251014171359

WWW.RTSAK.COM - sun.onnet21.com

Search for IP or hostnames:

sun.onnet21.com checked at 2025-10-15T03:42:46.527Z 240ms 47/47/47 100% R:13

sun.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

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

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

other host names include cs.onnet21.com, mail.dawn.onnet21.com, office.donglimchem.com, dwlog.onnet21.com and goodenv.onnet21.com; they share IP numbers with sun.onnet21.com.

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

sun.onnet21.com uses the same mail server setup as other domains, for instance sk-chemco.com, nrenc.co.kr, tmhk.co.kr, smallman.onnet21.com and lylok.onnet21.com.

sun.onnet21.com shares at least some mail servers with other domains, for instance afas.co.kr.

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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SEOPRoQ CF johedugfp 2025-10-15