CF1757476658367-tsm20250909214630

DNSWHOIS.INFO - dev-null.cz

Search for IP or hostnames:

dev-null.cz checked at 2025-09-10T03:57:38.329Z 385ms 71/71/71 100% R:20

dev-null.cz

NSns1.ignum.com
A2a00:1e40:a:53::5 🇸🇰 Webglobe, a.s.
PTRns1-bra.core.webglobe.com
A185.65.223.35🇸🇰 Webglobe, a.s.
PTRns1-bra.core.webglobe.com
MXmail.dev-null.cz
A164.215.117.86🇨🇿 PODA
PTRstatic-2765583702.poda.cz
NSns2.ignum.cz
A2001:1ab0:7e1e:2::5 🇨🇿 Webglobe
PTRns2-prg.core.webglobe.com
A217.31.48.201🇨🇿 Webglobe
PTRns2-prg.core.webglobe.com
A164.215.117.86🇨🇿 PODA
PTRstatic-2765583702.poda.cz

cz

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

AI analysis

The parent of mail.dev-null.cz is dev-null.cz.

164.215.117.86 is the IP number that dev-null.cz points to.

IP numbers are shared between dev-null.cz and other host names such as www.kotata.net, mail.dev-null.cz, kotata.net, it-sec.cz, and smtp.it-sec.cz.

Two name servers, ns1.ignum.com and ns2.ignum.cz, have been delegated to dev-null.cz.

The name server setup of dev-null.cz is identical to that of other domains such as via-idea.eu, arma.cz, spacescooter.sk, tesar.org, and brdek.net.

The name servers of dev-null.cz are at least partially shared with other domains such as rosicke.cz and cos-ht.eu.

ns1.ignum.com and ns2.ignum.cz both point to two IP numbers each: 2a00:1e40:a:53::5, 185.65.223.35 for ns1.ignum.com and 2001:1ab0:7e1e:2::5, 217.31.48.201 for ns2.ignum.cz.

The mail server, mail.dev-null.cz, handles dev-null.cz.

164.215.117.86 is the IP number that mail.dev-null.cz points to.

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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oKXQhxp CF johedugfp 2025-09-10