WWW.RTSAK.COM - 47.221.91.in-addr.arpa
Search for IP or hostnames:
47.221.91.in-addr.arpa checked at 2025-10-21T20:46:57.995Z 171ms 50/50/50 100% R:1447.221.91.in-addr.arpa
| NS | nsa.cesnet.cz | ||||||
| A | 2001:718:1:101::144:228 🇨🇿 CESNET | ||||||
| PTR | nsa.cesnet.cz | ||||||
| A | 195.113.144.228🇨🇿 CESNET | ||||||
| PTR | nsa.cesnet.cz | ||||||
| NS | nsa.ces.net | ||||||
| A | 2001:718:1:1::144:205 🇨🇿 CESNET | ||||||
| PTR | nsa.ces.net | ||||||
| A | 195.113.144.205🇨🇿 CESNET | ||||||
| PTR | nsa.ces.net | ||||||
221.91.in-addr.arpa
Up
2.47.221.91.in-addr.arpa |
Starts with same word
Starts similarily
AI analysis
47.221.91.in-addr.arpa is the parent of 2.47.221.91.in-addr.arpa.
47.221.91.in-addr.arpa is delegated to two name servers: nsa.cesnet.cz and nsa.ces.net.
47.221.91.in-addr.arpa uses the same name server setup as other domains such as 192.153.185.in-addr.arpa, 83.113.195.in-addr.arpa, gytool.cz, 187.113.195.in-addr.arpa and 87.113.195.in-addr.arpa.
47.221.91.in-addr.arpa shares name servers with other domains at least partially, for example 165.113.195.in-addr.arpa, 113.195.in-addr.arpa, 103.251.147.in-addr.arpa, math.slu.cz and otevrena-veda.cz.
these name servers are often used with the following: decsys.vsb.cz, nsa.ten.cz, ns.muni.cz, ns-01.fel.cvut.cz, ns-02.fel.cvut.cz, academy.cas.cz, ns1.cro.cz, ns2.cro.cz, ns.hknet.cz and ns1.slu.cz.
Host names with two IP numbers:
nsa.cesnet.cz points to 2001:718:1:101::144:228 and 195.113.144.228; nsa.ces.net points to 2001:718:1:1::144:205 and 195.113.144.205.