CF1759615793499-tsm20251004101907

WWW.ROBTEX.COM - psco.onnet21.com

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psco.onnet21.com checked at 2025-10-04T22:09:53.453Z 1451ms 55/55/55 100% R:12

psco.onnet21.com

MXsfilter.onnet21.com
A211.40.221.190🇰🇷 LG Uplus
PTRspam.mailwood.com
A61.42.12.95🇰🇷 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

psco.onnet21.com is the parent of mail.psco.onnet21.com.

psco.onnet21.com resolves to one IP number: 61.42.12.95.

Other host names such as newmaster.onnet21.com and office.jwpre.com share IP numbers with psco.onnet21.com.

psco.onnet21.com is handled by a single mail server, sfilter.onnet21.com.

psco.onnet21.com shares its mail server setup with other domains, including jaewon.onnet21.com and u3cnc.onnet21.com.

sfilter.onnet21.com resolves to IP 211.40.221.190.

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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pRFYbeG CF johedugfp 2025-10-04