CF1763641248120-tsm20251116095642

DNSWHOIS.INFO - www.nn.iij4u.or.jp

Search for IP or hostnames:

www.nn.iij4u.or.jp checked at 2025-11-20T12:20:48.087Z 671ms 85/85/85 100% R:16 allDone:true timedOut:false

www.nn.iij4u.or.jp

NSdns0.iij.ad.jp
A2001:240::105 🇯🇵 IIJ-AS
PTRdns0.iij.ad.jp
A210.130.0.5🇯🇵 IIJ-AS
PTRdns0.iij.ad.jp
NSdns1.iij.ad.jp
A2001:240::115 🇯🇵 IIJ-AS
PTRdns1.iij.ad.jp
A210.130.1.5🇯🇵 IIJ-AS
PTRdns1.iij.ad.jp
MXomgi.iij.ad.jp
A2001:240:bb46:8134::1:126 🇯🇵 IIJ-AS
PTRof-mail-lvs182.dmz.nhn.hop.2iij.net
A2001:240:bb5f:1949::1:126 🇯🇵 IIJ-AS
PTRof-mail-lvs112.dmz.nhn.hop.2iij.net
A202.32.171.213🇯🇵 IIJ-AS
PTRmi182.iij.ad.jp
A202.232.173.185🇯🇵 IIJ-AS
PTRmi112.iij.ad.jp
A2001:240:bb41:8014::167 🇯🇵 IIJ-AS
A210.138.74.172🇯🇵 IIJ-AS
PTRwww.nn.iij4u.or.jp

nn.iij4u.or.jp

MXiij-mx-v4.xspmail.jp
MXiij-mx-v6.xspmail.jp

PTR for

Starts with same word

Starts similarily

AI analysis

Two IP numbers are pointed to by www.nn.iij4u.or.jp: 2001:240:bb41:8014::167 and 210.138.74.172.

Other host names, such as www.rr.iij4u.or.jp, www.pp.iij4u.or.jp and www.ss.iij4u.or.jp, share IP numbers with www.nn.iij4u.or.jp.

Two name servers dns0.iij.ad.jp and dns1.iij.ad.jp handle the delegation for www.nn.iij4u.or.jp.

www.nn.iij4u.or.jp shares the same name server setup as other domains, for instance 52.119.219.in-addr.arpa, 163.31.150.in-addr.arpa, 64.156.220.in-addr.arpa, 156.31.150.dy.iij4u.or.jp and 58.31.150.in-addr.arpa.

Host names with two IP numbers:

dns0.iij.ad.jp points to 2001:240::105 and 210.130.0.5.

dns1.iij.ad.jp points to 2001:240::115 and 210.130.1.5.

www.nn.iij4u.or.jp is handled by a single mail server, omgi.iij.ad.jp.

www.nn.iij4u.or.jp uses the same mail server setup as other domains, for instance dns0.iij.ad.jp, iijgio.jp, iijmio.jp, pub.2iij.net and ns4.iij.ad.jp.

Host omgi.iij.ad.jp points to four IP numbers: 2001:240:bb46:8134::1:126, 2001:240:bb5f:1949::1:126, 202.32.171.213 and 202.232.173.185.

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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