CF1762330921427-tsm20251104152717

WWW.ROBTEX.COM - dev-null.cz

Search for IP or hostnames:

dev-null.cz checked at 2025-11-05T08:22:01.407Z 442ms 101/101/101 100% R:22

dev-null.cz

NSns1.ignum.com
A2a00:1e40:a:53::5🇸🇰 WEBGLOBE-SK-AS
PTRns1-bra.core.webglobe.com
A185.65.223.35🇸🇰 WEBGLOBE-SK-AS
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🇨🇿 IGNUM-AS
PTRns2-prg.core.webglobe.com
A217.31.48.201🇨🇿 IGNUM-AS
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

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Starts with same word

Starts similarily

AI analysis

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

dev-null.cz points to a single IP: 164.215.117.86.

Other host names, for instance www.kotata.net, mail.dev-null.cz, kotata.net, it-sec.cz and smtp.it-sec.cz share IP numbers with dev-null.cz.

Two name servers ns1.ignum.com and ns2.ignum.cz handle delegation for dev-null.cz.

dev-null.cz uses the same name server setup as other domains, for example via-idea.eu, arma.cz, spacescooter.sk, tesar.org and brdek.net.

dev-null.cz partially shares name servers with other domains, such as cos-ht.eu and ringieraxelspringer.cz.

Host names with two IP numbers:

ns1.ignum.com points to: 2a00:1e40:a:53::5 and 185.65.223.35

ns2.ignum.cz points to: 2001:1ab0:7e1e:2::5 and 217.31.48.201

dev-null.cz is handled by a single mail server, mail.dev-null.cz.

mail.dev-null.cz points to a single IP: 164.215.117.86.

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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