CF1764053168136-tsm20251124231709

WWW.RTSAK.COM - c-21.sk

Search for IP or hostnames:

c-21.sk checked at 2025-11-25T06:46:08.119Z 5006ms 91/96/97 94% R:13 allDone:false timedOut:true

c-21.sk

MXmailin1.c-21.sk
A2a00:4b40:aaaa:2101:45:13:137:7 🇸🇰 WEBSUPPORT-SRO-SK-AS
PTRm1-u5-mx.websupport.sk
A45.13.137.8🇸🇰 WEBSUPPORT-SRO-SK-AS
PTRmx20.websupport.at
MXmailin2.c-21.sk
A2a00:4b40:aaaa:2101:45:13:137:8 🇸🇰 WEBSUPPORT-SRO-SK-AS
PTRm1-u6-mx.websupport.sk
A45.13.137.9🇸🇰 WEBSUPPORT-SRO-SK-AS
PTRm1-u7-mx.websupport.sk
NSns1.websupport.sk
A2a10:bbc0::11 🇨🇿 ACTIVE24-AS
PTRns1.websupport.eu
A45.10.97.11🇨🇿 ACTIVE24-AS
PTRns1.websupport.eu
NSns2.websupport.sk
A2a02:250:3::12 🇸🇪 ACTIVE24-AS
PTRns2.websupport.eu
A185.71.159.12🇸🇪 ACTIVE24-AS
PTRns2.websupport.eu
NSns3.websupport.sk
A2a10:bbc0::13 🇨🇿 ACTIVE24-AS
PTRns3.websupport.eu
A45.10.97.13🇨🇿 ACTIVE24-AS
PTRns3.websupport.eu
A2a00:4b40:aaaa:2001::6 🇸🇰 WEBSUPPORT-SRO-SK-AS
A37.9.175.132🇸🇰 WEBSUPPORT-SRO-SK-AS
PTRing.r1.websupport.sk

sk

NSa.tld.sk
NSb.tld.sk
NSc.tld.sk
NSe.tld.sk
NSf.tld.sk
NSg.tld.sk
NSh.tld.sk

Up

mailin2.c-21.sk
mailin1.c-21.sk

Starts with same word

c-21.biz
c-21.info
c-21.sk
c-21.de
c-21.net
c-21.com
c-21.ir

Starts similarily

c-21.net
c-21.com
c-21.ir
c-21.biz
c-21.info
c-21.sk
c-21.de

AI analysis

c-21.sk is parent of mailin2.c-21.sk and mailin1.c-21.sk.

c-21.sk points to two IPs: 2a00:4b40:aaaa:2001::6 and 37.9.175.132.

Other host names including fellowbytes.com, poctivepotraviny.sk, rokomp.sk, betonic.sk and centrumklicu.cz share IP numbers with c-21.sk.

c-21.sk is delegated to three name servers: ns1.websupport.sk, ns2.websupport.sk and ns3.websupport.sk.

c-21.sk at least partially shares name servers with other domains, including doubleatelier.sk, mirdox.com, staraposta.eu, radillion.sk and dugasboris.com.

Host names with two IP numbers:

ns1.websupport.sk points to: 2a10:bbc0::11 and 45.10.97.11

ns2.websupport.sk points to: 2a02:250:3::12 and 185.71.159.12

ns3.websupport.sk points to: 2a10:bbc0::13 and 45.10.97.13

c-21.sk is handled by two mail servers: mailin1.c-21.sk and mailin2.c-21.sk.

Host names with two IPs:

mailin1.c-21.sk points to: 2a00:4b40:aaaa:2101:45:13:137:7 and 45.13.137.8

mailin2.c-21.sk points to: 2a00:4b40:aaaa:2101:45:13:137:8 and 45.13.137.9