CF1762744586359-tsm20251109205412

NSLIST.NET - 221.203.89.in-addr.arpa

Search for IP or hostnames:

221.203.89.in-addr.arpa checked at 2025-11-10T03:16:26.337Z 5009ms 46/49/50 92% R:15 allDone:false timedOut:true

221.203.89.in-addr.arpa

NSns2.cdt.cz
A2001:1a48:0:2::2 🇨🇿 CD-Telematika a.s.
PTRns2.cdt.cz
A81.19.34.2🇨🇿 CD-Telematika a.s.
PTRns2.cdt.cz
NSns.cdt.cz
A2001:1a48:0:1::2 🇨🇿 CD-Telematika a.s.
PTRns1.cdt.cz
A81.19.33.2🇨🇿 CD-Telematika a.s.
PTRns1.cdt.cz

203.89.in-addr.arpa

Up

Starts with same word

Starts similarily

AI analysis

221.203.89.in-addr.arpa is parent of 210.221.203.89.in-addr.arpa and 178.221.203.89.in-addr.arpa.

221.203.89.in-addr.arpa's delegation uses two name servers, ns2.cdt.cz and ns.cdt.cz.

221.203.89.in-addr.arpa shares the same name server setup as other domains, for example 79.13.85.in-addr.arpa, 148.203.89.in-addr.arpa, 143.203.89.in-addr.arpa, 137.203.89.in-addr.arpa and 138.203.89.in-addr.arpa.

221.203.89.in-addr.arpa at least partially shares name servers with other domains, including 242.203.89.in-addr.arpa, vpnfamily.cz, cdtnet.cz, 128-255.107.202.82.in-addr.arpa and 244.203.89.in-addr.arpa.

these name servers are commonly used with ns1.cdt.cz, ns1.mirnet.cz, ns.kaza.cz and sis0000phant800.insd.cz.

Host names with two IPs:

ns2.cdt.cz points to: 2001:1a48:0:2::2 and 81.19.34.2

ns.cdt.cz points to: 2001:1a48:0:1::2 and 81.19.33.2

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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