CF1759756344961-tsm20251005211530

DNSWHOIS.INFO - 10.11.133.in-addr.arpa

Search for IP or hostnames:

10.11.133.in-addr.arpa checked at 2025-10-06T13:12:24.911Z 1264ms 74/74/74 100% R:17

10.11.133.in-addr.arpa

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
NSns1.s.u-tokyo.ac.jp
A2001:200:180:1103::11 🇯🇵 WIDE Project
PTRns1.s.u-tokyo.ac.jp
A133.11.11.11🇯🇵 UTnet
PTRns1.s.u-tokyo.ac.jp
NSns2.s.u-tokyo.ac.jp
A2406:da14:c5c:ba02:1822:ce39:2a02:fbd7 🇯🇵 Amazon
A3.114.219.198🇯🇵 Amazon
PTRec2-3-114-219-198.ap-northeast-1.compute.amazonaws.com

11.133.in-addr.arpa

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

Starts with same word

Starts similarily

AI analysis

10.11.133.in-addr.arpa delegates to five name servers: dns1.nc.u-tokyo.ac.jp, dns2.nc.u-tokyo.ac.jp, dns3.nc.u-tokyo.ac.jp, ns1.s.u-tokyo.ac.jp and ns2.s.u-tokyo.ac.jp.

10.11.133.in-addr.arpa at least partially shares name servers with other domains such as astron.s.u-tokyo.ac.jp, 196.69.130.in-addr.arpa, 113.11.133.in-addr.arpa, 225.11.133.in-addr.arpa and 69.130.in-addr.arpa.

These name servers are often used together with ns1.t.u-tokyo.ac.jp, dns101.ecc.u-tokyo.ac.jp, dns.ecc.u-tokyo.ac.jp, ns.a.u-tokyo.ac.jp, penguin.iis.u-tokyo.ac.jp, ns-e6.keisu.t.u-tokyo.ac.jp, dnsserver02.ecc.u-tokyo.ac.jp, dnsserver03.ecc.u-tokyo.ac.jp, dnsserver04.ecc.u-tokyo.ac.jp and ns.rcast.u-tokyo.ac.jp.

Two IPs per host name:

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

ns1.s.u-tokyo.ac.jp points to: 2001:200:180:1103::11 and 133.11.11.11

ns2.s.u-tokyo.ac.jp points to: 2406:da14:c5c:ba02:1822:ce39:2a02:fbd7 and 3.114.219.198

Pattern: left IDs ascend by 9 (12, 21, 30, 39, 48); each pair of targets ascend by 9 (15/18, 24/27, 33/36, 42/45, 51/54)

Perform reverse DNS lookup as well as normal forward DNS. Check Autonomous System Numbers (ASNs) and BGP connections between Internet Service Providers.
dbq

apytLsJ CF johedugfp 2025-10-06