CF1762310215040-tsm20251104152717

WWW.ROBTEX.COM - jcs.cz

Search for IP or hostnames:

jcs.cz checked at 2025-11-05T02:36:55.013Z 372ms 127/127/127 100% R:13

jcs.cz

NSns1.tele3.cz
A2001:1528:123::d01🇨🇿 CASABLANCA-AS
PTRns1.tele3.cz
A81.0.217.111🇨🇿 CASABLANCA-AS
NSns2.tele3.cz
A2a01:430:43::d02🇨🇿 MASTER-AS
PTRns2.tele3.cz
A81.31.35.151🇨🇿 MASTER-AS
NSns3.tele3.eu
A2a01:4f8:162:24c1::d03🇩🇪 Hetzner
PTRns3.tele3.eu
A5.9.97.250🇩🇪 Hetzner
PTRns3.tele3.eu
NSns4.tele3.us
A2a01:4ff:f0:16b7::d04🇺🇸 HETZNER-CLOUD2-AS
PTRns4.tele3.us
A5.161.75.38🇺🇸 HETZNER-CLOUD2-AS
PTRns4.tele3.us
A2001:15e8:110:7d00::155🇨🇿 INTERNET-CZ
A80.211.205.159🇨🇿 INTERNET-CZ
PTR159.205.forpsi.net

cz

NSa.ns.nic.cz
NSb.ns.nic.cz
NSc.ns.nic.cz
NSd.ns.nic.cz

Starts with same word

Starts similarily

AI analysis

jcs.cz resolves to two IP numbers: 2001:15e8:110:7d00::155 and 80.211.205.159.

Other host names, for instance zachod.cz, protektor.cz, doremi.cz, pronajemauta.cz and zraneni.cz share IP numbers with jcs.cz.

jcs.cz is delegated to four name servers: ns1.tele3.cz, ns2.tele3.cz, ns3.tele3.eu and ns4.tele3.us.

jcs.cz shares some name servers with other domains, for example circon.cz, ifrancie.info, cs5.cz, zamekkonopiste.info and aladeen.cz.

Host names with two IP numbers

Two IPs per host:

ns1.tele3.cz points to 2001:1528:123::d01 and 81.0.217.111

ns2.tele3.cz points to 2a01:430:43::d02 and 81.31.35.151

ns3.tele3.eu points to 2a01:4f8:162:24c1::d03 and 5.9.97.250

ns4.tele3.us points to 2a01:4ff:f0:16b7::d04 and 5.161.75.38

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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