CF1759383460375-tsm20251001211114

WWW.RTSAK.COM - 6.139.in-addr.arpa

Search for IP or hostnames:

6.139.in-addr.arpa checked at 2025-10-02T05:37:40.340Z 311ms 56/56/56 100% R:15

6.139.in-addr.arpa

NSdns-1.dfn.de
A2001:638:d:b101::1 🇩🇪 DFN Deutsches Forschungsnetz e.V.
PTRdns-1.dfn.de
A193.174.75.50🇩🇪 DFN Deutsches Forschungsnetz e.V.
PTRdns-1.dfn.de
NSdns1.uni-koeln.de
A2a00:a200:0:56::53 🇩🇪 UNI-KOELN
PTRib-lfi-2.rrz.uni-koeln.de
A134.95.44.35🇩🇪 UNI-KOELN
PTRib-lfi-2.rrz.uni-koeln.de
NSns-gwz.nz.fh-koeln.de
A139.6.1.66🇩🇪 DFN Deutsches Forschungsnetz e.V.
PTRns-gwz.nz.fh-koeln.de
NSns-iwz.nz.fh-koeln.de
A139.6.1.2🇩🇪 DFN Deutsches Forschungsnetz e.V.
PTRns-iwz.nz.fh-koeln.de

139.in-addr.arpa

NSr.arin.net
NSu.arin.net
NSx.arin.net
NSy.arin.net
NSz.arin.net
NSarin.authdns.ripe.net

Starts with same word

Starts similarily

AI analysis

6.139.in-addr.arpa is delegated to four name servers: dns-1.dfn.de, dns1.uni-koeln.de, ns-gwz.nz.fh-koeln.de and ns-iwz.nz.fh-koeln.de.

At least part of the name servers for 6.139.in-addr.arpa are shared with other domains, for instance thdeg.org, cs.uni-dortmund.de, lzpb-bremen.de, jura.rwth-aachen.de and ukaachen.net.

these name servers are commonly used with the name servers dns-2.dfn.de, zs1.rz.rwth-aachen.de, zs2.rz.rwth-aachen.de, dns-3.dfn.de, nse03.hbz-nrw.de, nse04.hbz-nrw.de, ns1.uni-bielefeld.de, auth0.dns.techfak.uni-bielefeld.de, waldorf.cs.uni-dortmund.de and dns1.belwue.de.

Host names with two IP numbers:

dns-1.dfn.de points to: 2001:638:d:b101::1 and 193.174.75.50.

dns1.uni-koeln.de points to: 2a00:a200:0:56::53 and 134.95.44.35.

Host names with one IP number:

ns-gwz.nz.fh-koeln.de points to: 139.6.1.66.

ns-iwz.nz.fh-koeln.de points to: 139.6.1.2.

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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xVtyWIi CF johedugfp 2025-10-02