CF1763378025462-tsm20251116095642

MXLIST.NET - sys21.co.kr

Search for IP or hostnames:

sys21.co.kr checked at 2025-11-17T11:13:45.434Z 1708ms 57/57/57 100% R:17 allDone:true timedOut:false

sys21.co.kr

MXmail.sys21.co.kr
A112.216.19.70🇰🇷 LGDACOM
PTRmail.sys21.co.kr
NSns1.uhost.co.kr
A202.31.187.220🇰🇷 PACIFIC-FORTUNE-BLAH
NSns2.uhost.co.kr
A219.251.156.14🇰🇷 KRNIC-GDNS-AS
A112.216.19.66🇰🇷 LGDACOM
PTRns2.sys21.kr

co.kr

NSb.dns.kr
NSc.dns.kr
NSd.dns.kr
NSe.dns.kr
NSf.dns.kr
NSg.dns.kr

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Starts with same word

Starts similarily

AI analysis

sys21.co.kr is the parent of mail.sys21.co.kr.

sys21.co.kr resolves to a single IP address: 112.216.19.66.

sys21.co.kr's delegation uses two name servers, ns1.uhost.co.kr and ns2.uhost.co.kr.

sys21.co.kr shares the same name server setup as other domains, for example ctia.kr, seoul284.org, ktcconst.co.kr, unescobusan.org and engel.co.kr.

Host names with a single IP:

ns1.uhost.co.kr points to 202.31.187.220.

ns2.uhost.co.kr points to 219.251.156.14.

sys21.co.kr is handled by a single mail server, mail.sys21.co.kr.

mail.sys21.co.kr points to a single IP: 112.216.19.70.

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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