CF1761248558338-tsm20251017082432

WWW.RTSAK.COM - 42.11.133.in-addr.arpa

Search for IP or hostnames:

42.11.133.in-addr.arpa checked at 2025-10-23T19:42:38.320Z 820ms 63/63/63 100% R:15

42.11.133.in-addr.arpa

NSns.a.u-tokyo.ac.jp
A130.69.118.215🇯🇵 UTnet
PTRns.a.u-tokyo.ac.jp
NSdns1.nc.u-tokyo.ac.jp
A2001:200:180::35:1 🇯🇵 WIDE Project
PTRdns1.nc.u-tokyo.ac.jp
A133.11.0.1🇯🇵 UTnet
PTRdns1.nc.u-tokyo.ac.jp
NSdns2.nc.u-tokyo.ac.jp
A2001:2c0:ce07:f900::2 🇯🇵 NTT PC Communications (InfoSphere)
A119.245.132.49🇯🇵 NTT PC Communications (InfoSphere)
NSdns3.nc.u-tokyo.ac.jp
A2001:200:180::35:3 🇯🇵 WIDE Project
PTRdns3.nc.u-tokyo.ac.jp
A157.82.0.1🇯🇵 UTnet
PTRdns3.nc.u-tokyo.ac.jp

11.133.in-addr.arpa

NSdns1.nc.u-tokyo.ac.jp
NSdns2.nc.u-tokyo.ac.jp
NSdns3.nc.u-tokyo.ac.jp

Up

Starts with same word

Starts similarily

AI analysis

42.11.133.in-addr.arpa is a parent of 72.42.11.133.in-addr.arpa, 90.42.11.133.in-addr.arpa, 33.42.11.133.in-addr.arpa, 170.42.11.133.in-addr.arpa, 118.42.11.133.in-addr.arpa and several other host names.

42.11.133.in-addr.arpa is delegated to four name servers: ns.a.u-tokyo.ac.jp, dns1.nc.u-tokyo.ac.jp, dns2.nc.u-tokyo.ac.jp and dns3.nc.u-tokyo.ac.jp.

42.11.133.in-addr.arpa at least partially shares name servers with other domains, for instance mist.i.u-tokyo.ac.jp, 240.69.130.in-addr.arpa, 156.11.133.in-addr.arpa, ga.a.u-tokyo.ac.jp and 34.82.157.in-addr.arpa.

These name servers are often used together with the name servers ns1.t.u-tokyo.ac.jp, dns101.ecc.u-tokyo.ac.jp, dns.ecc.u-tokyo.ac.jp, penguin.iis.u-tokyo.ac.jp, ns1.s.u-tokyo.ac.jp, ns2.s.u-tokyo.ac.jp, ns2.t.u-tokyo.ac.jp, ns-e6.keisu.t.u-tokyo.ac.jp, akaringo.cc.u-tokyo.ac.jp and ringo.cc.u-tokyo.ac.jp.

Two IPs for hosts:

dns1.nc.u-tokyo.ac.jp points to: 2001:200:180::35:1 and 133.11.0.1

dns2.nc.u-tokyo.ac.jp points to: 2001:2c0:ce07:f900::2 and 119.245.132.49

dns3.nc.u-tokyo.ac.jp points to: 2001:200:180::35:3 and 157.82.0.1

One IP for a host:

ns.a.u-tokyo.ac.jp points to: 130.69.118.215

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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xyOZABx CF johedugfp 2025-10-23