CF1759666214442-tsm20251005092912

WWW.ROBTEX.COM - os21.net

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os21.net checked at 2025-10-05T12:10:14.424Z 977ms 83/83/83 100% R:19

os21.net

MXmail.os21.net
A122.199.230.200🇰🇷 NEXG-AS-KR
PTRstatic.122-199-230-200.nexg.net
NSns1.vtopia.co.kr
A122.199.220.20🇰🇷 NEXG-AS-KR
PTRstatic.122-199-220-20.nexg.net
NSns2.vtopia.co.kr
A122.199.221.20🇰🇷 NEXG-AS-KR
PTRstatic.122-199-221-20.nexg.net
A122.199.230.200🇰🇷 NEXG-AS-KR
PTRstatic.122-199-230-200.nexg.net

net

NSa.gtld-servers.net
NSb.gtld-servers.net
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NSh.gtld-servers.net
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NSj.gtld-servers.net
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NSm.gtld-servers.net

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AI analysis

os21.net is the parent of mail.os21.net.

os21.net resolves to one IP number: 122.199.230.200.

Other host names, for instance mail.os21.net, share IP numbers with os21.net.

os21.net is delegated to two name servers ns1.vtopia.co.kr and ns2.vtopia.co.kr.

os21.net shares the same name server setup as other domains, for instance os21.in, os21.co, os21.me, vtopia.co.kr and os21.pro.

os21.net shares name servers with other domains at least partially, for example 229.97.210.in-addr.arpa and 6.21.113.in-addr.arpa.

Host names with one IP number:

ns1.vtopia.co.kr points to 122.199.220.20

ns2.vtopia.co.kr points to 122.199.221.20

os21.net is handled by a single mail server, mail.os21.net.

mail.os21.net resolves to IP 122.199.230.200.

Perform reverse DNS lookup as well as normal forward DNS. Check Autonomous System Numbers (ASNs) and BGP connections between Internet Service Providers.
dbq

veXNOvL CF johedugfp 2025-10-05