CF1762637573096-tsm20251108202040

WWW.RTSAK.COM - 121.31.194.in-addr.arpa

Search for IP or hostnames:

121.31.194.in-addr.arpa checked at 2025-11-08T21:32:53.071Z 291ms 93/93/93 100% R:18

121.31.194.in-addr.arpa

MXmx01.hornetsecurity.com
A94.100.132.8🇩🇪 MK Netzdienste AS
PTRmx01.hornetsecurity.com
MXmx02.hornetsecurity.com
A94.100.136.8🇩🇪 SSERV-AS
PTRmx02.hornetsecurity.com
MXmx03.hornetsecurity.com
A94.100.134.8🇩🇪 HKN GmbH
PTRmx03.hornetsecurity.com
MXmx04.hornetsecurity.com
A94.100.136.7🇩🇪 SSERV-AS
PTRmx04.hornetsecurity.com
NSns1.vodafone-ip.de
A145.253.2.19🇩🇪 VODANET
PTRns1.vodafone-ip.de
NSns2.vodafone-ip.de
A145.253.2.80🇩🇪 VODANET
PTRns2.vodafone-ip.de
NSauth4.dns.cogentco.com
A2001:978:1:a::d 🇺🇸 COGENT
PTRauth4.dns.cogentco.com
A80.245.32.74🇺🇸 COGENT
PTRauth4.dns.cogentco.com
NSauth5.dns.cogentco.com
A2001:978:1:b::d 🇺🇸 COGENT
PTRauth5.dns.cogentco.com
A80.91.64.50🇪🇸 COGENT
PTRauth5.dns.cogentco.com

31.194.in-addr.arpa

Up

Starts with same word

Starts similarily

AI analysis

121.31.194.in-addr.arpa is a parent of 20.121.31.194.in-addr.arpa and 21.121.31.194.in-addr.arpa.

121.31.194.in-addr.arpa is delegated to four name servers: ns1.vodafone-ip.de, ns2.vodafone-ip.de, auth4.dns.cogentco.com and auth5.dns.cogentco.com.

121.31.194.in-addr.arpa shares name servers with other domains at least partially, for instance vodahone.de, iesy.tv, 1.94.78.in-addr.arpa, iet-solutions.at and 207.3.134.in-addr.arpa.

These name servers are commonly used with ns3.vodafone-ip.de, auth1.dns.cogentco.com, auth2.dns.cogentco.com and ext-ns1.columbia.edu.

Two IP numbers per host:

auth4.dns.cogentco.com points to 2001:978:1:a::d and 80.245.32.74

auth5.dns.cogentco.com points to 2001:978:1:b::d and 80.91.64.50

One IP number per host:

ns1.vodafone-ip.de points to 145.253.2.19

ns2.vodafone-ip.de points to 145.253.2.80

121.31.194.in-addr.arpa is handled by four mail servers: mx01.hornetsecurity.com, mx02.hornetsecurity.com, mx03.hornetsecurity.com and mx04.hornetsecurity.com.

121.31.194.in-addr.arpa shares some mail servers with other domains, including becherer.com, rikutec.de, amtechdiy.com, bvm-versicherungsmakler.de and acefat.com.

Host names with a single IP:

mx01.hornetsecurity.com points to 94.100.132.8.

mx02.hornetsecurity.com points to 94.100.136.8.

mx03.hornetsecurity.com points to 94.100.134.8.

mx04.hornetsecurity.com points to 94.100.136.7.

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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