WWW.RTSAK.COM - 21th.ac
Search for IP or hostnames:
21th.ac checked at 2025-10-22T08:45:54.623Z 422ms 60/60/60 100% R:14
21th.ac
MX | 21th.ac | ||||||
A | 124.146.222.8🇯🇵 NTT PC Communications (InfoSphere) | ||||||
PTR | 21th.ac | ||||||
NS | ns3.sphere.ad.jp | ||||||
A | 202.239.113.22🇯🇵 NTT PC Communications (InfoSphere) | ||||||
PTR | ns3.sphere.ad.jp | ||||||
NS | ns4.sphere.ad.jp | ||||||
A | 202.239.113.30🇯🇵 NTT PC Communications (InfoSphere) | ||||||
PTR | ns4.sphere.ad.jp | ||||||
A | 124.146.222.8🇯🇵 NTT PC Communications (InfoSphere) | ||||||
PTR | 21th.ac |
ac
NS | a0.nic.ac | ||||||
NS | a2.nic.ac | ||||||
NS | b0.nic.ac | ||||||
NS | c0.nic.ac |
PTR for
MX for
21th.ac |
Starts with same word
Starts similarily
AI analysis
For 21th.ac
, the mail server is 21th.ac
.
21th.ac
resolves to one IP number: 124.146.222.8.
21th.ac
is delegated to two name servers ns3.sphere.ad.jp
and ns4.sphere.ad.jp
.
21th.ac
shares the same name server setup as other domains, for instance m-bbc.com
, www.alse-net.com
, zenken-sekkei.co.jp
, acpoint.jp
and kppl.co.jp
.
21th.ac
shares name servers with other domains at least partially, for example kankou-shimane.com
and eqmail.jp
.
Host names with one IP number:
ns3.sphere.ad.jp
points to 202.239.113.22
ns4.sphere.ad.jp
points to 202.239.113.30
21th.ac
is served by a single mail server, 21th.ac
.
21th.ac
resolves to IP 124.146.222.8.
dbq