DNSWHOIS.INFO - ibuilder.jp
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ibuilder.jp checked at 2025-09-09T06:02:14.191Z 622ms 52/52/52 100% R:23ibuilder.jp
| MX | mail.ibuilder.jp | ||||||
| A | 111.171.208.188🇯🇵 Fujitsu Limited | ||||||
| PTR | server21.ibuilder.jp | ||||||
| NS | dns2.sendmail.ne.jp | ||||||
| A | 218.251.116.222🇯🇵 OPTAGE | ||||||
| PTR | dns2.sendmail.ne.jp | ||||||
| NS | dns.sendmail.ne.jp | ||||||
| A | 121.83.205.1🇯🇵 OPTAGE | ||||||
jp
| NS | a.dns.jp | ||||||
| NS | b.dns.jp | ||||||
| NS | c.dns.jp | ||||||
| NS | d.dns.jp | ||||||
| NS | e.dns.jp | ||||||
| NS | f.dns.jp | ||||||
| NS | g.dns.jp | ||||||
| NS | h.dns.jp | ||||||
AI analysis
The parent of www.ibuilder.jp, mail.ibuilder.jp, and server21.ibuilder.jp is ibuilder.jp.
Two name servers, dns2.sendmail.ne.jp and dns.sendmail.ne.jp, are assigned for ibuilder.jp.
Other domains such as sendmail.ne.jp, oas.jp, hotel-kobai.com, un-t.com, and zeirishi-ch.com, share the same name server setup as ibuilder.jp.
dns2.sendmail.ne.jp and dns.sendmail.ne.jp both point to an IP number, with dns2.sendmail.ne.jp pointing to 218.251.116.222 and dns.sendmail.ne.jp pointing to 121.83.205.1.
The mail server, mail.ibuilder.jp, manages ibuilder.jp.
Just like other domains such as garden-vigo.com and shiozaki-iin.com, ibuilder.jp also has the same mail server setup.
mail.ibuilder.jp is associated with the IP address 111.171.208.188.