CF1763596642075-tsm20251116095642

WWW.RTSAK.COM - ac21.org

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ac21.org checked at 2025-11-19T23:57:22.033Z 879ms 63/63/63 100% R:10 allDone:true timedOut:false

AI analysis

ac21.org is a parent of mail.ac21.org.

ac21.org serves as the mail server for ac21.org.

ac21.org points to a single IP number: 133.242.249.211.

Other host names, for instance cafua.com, cafegreen.sakura.ne.jp, octd.net, nishinaya.com and www.nishinaya.com share IP numbers with ac21.org.

Delegation for ac21.org rests with two name servers, ns1.dns.ne.jp and ns2.dns.ne.jp.

ac21.org shares the same name server setup as other domains, including yokoyamaseimo.sakura.ne.jp, f-k-i.sakura.ne.jp, spec-corp.com, aida-eng.co.jp and mxmkitchen.com.

Host names with one IP number: ns1.dns.ne.jp points to 61.211.236.1; ns2.dns.ne.jp points to 133.167.21.1.

A single mail server handles ac21.org.

ac21.org points to a single IP: 133.242.249.211.

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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