CF1760320827152-tsm20251012143351

NSLIST.NET - 21.7.209.in-addr.arpa

Search for IP or hostnames:

21.7.209.in-addr.arpa checked at 2025-10-13T02:00:27.140Z 197ms 43/43/43 100% R:13

21.7.209.in-addr.arpa

NSns1.illinois.net
A2001:1848:0:9300::4 🇺🇸 Illinois Century Network
PTRns1.illinois.net
A206.166.61.22🇺🇸 Illinois Century Network
PTRns1.illinois.net
NSns2.illinois.net
A206.166.17.200🇺🇸 Illinois Century Network
PTRns2.illinois.net

7.209.in-addr.arpa

Starts with same word

Starts similarily

AI analysis

Two name servers ns1.illinois.net and ns2.illinois.net handle the delegation for 21.7.209.in-addr.arpa.

21.7.209.in-addr.arpa shares the same name server setup as other domains, for example 61.166.206.in-addr.arpa, roe32.k12.il.us, court.co.macon.il.us, 109.174.209.in-addr.arpa and rbhs208.net.

21.7.209.in-addr.arpa at least partially shares name servers with other domains, for example trico.jacksn.k12.il.us, 127.125.216.in-addr.arpa, buckleupillinois.org, scott.stclair.k12.il.us and 180.99.66.in-addr.arpa.

Name servers dns.illinois.net, ns2.cps.k12.il.us, ns.cps.k12.il.us, ns.rtc6.illinois.net, ns1.state.il.us, ns2.state.il.us and ns3.state.il.us are commonly used together.

Host names with two IP numbers:

ns1.illinois.net points to 2001:1848:0:9300::4 and 206.166.61.22.

Host names with one IP number:

ns2.illinois.net points to 206.166.17.200.

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

XIWxxWV CF johedugfp 2025-10-13