CF1763792648953-tsm20251116095642

WWW.RTSAK.COM - mail.ac21.org

Search for IP or hostnames:

mail.ac21.org checked at 2025-11-22T06:24:08.942Z 441ms 64/64/64 100% R:18 allDone:true timedOut:false

mail.ac21.org

CNAMEac21.org
MXac21.org
A133.242.249.211🇯🇵 SAKURA-A
PTRwww4271.sakura.ne.jp
NSns1.dns.ne.jp
A61.211.236.1🇯🇵 SAKURA-B
PTRns1.dns.ne.jp
NSns2.dns.ne.jp
A133.167.21.1🇯🇵 SAKURA-C
PTRns2.dns.ne.jp
A133.242.249.211🇯🇵 SAKURA-A
PTRwww4271.sakura.ne.jp

ac21.org

MXac21.org
NSns1.dns.ne.jp
NSns2.dns.ne.jp
A133.242.249.211🇯🇵 SAKURA-A

Starts with same word

Starts similarily

AI analysis

mail.ac21.org maps to IP address 133.242.249.211.

Other host names, for instance kinmotu.com, www4271.sakura.ne.jp, kdmlog.com, okada-seikeigeka.com and ochiaiseizai.com share IP numbers with mail.ac21.org.

Two name servers ns1.dns.ne.jp and ns2.dns.ne.jp are delegated to mail.ac21.org.

mail.ac21.org uses the same name server configuration as other domains, such as s-pro.cc, kanbaragumi.sakura.ne.jp, seitaisakuracom.sakura.ne.jp, f-m-c.or.jp and wakuwaku-miraie.com.

Host names with a single IP address:

ns1.dns.ne.jp points to 61.211.236.1

ns2.dns.ne.jp points to 133.167.21.1

mail.ac21.org is handled by a single mail server, ac21.org.

The mail server setup for mail.ac21.org matches that of other domains, for instance ac21.org.

ac21.org points to one IP number: 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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