CF1761979437829-tsm20251029173950

WWW.RTSAK.COM - firstclass.sk

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firstclass.sk checked at 2025-11-01T06:43:57.751Z 736ms 97/97/97 100% R:12

firstclass.sk

MXmailin1.firstclass.sk
A2a00:4b40:aaaa:2101:45:13:137:7 ๐Ÿ‡ธ๐Ÿ‡ฐ WEBSUPPORT-SRO-SK-AS
PTRm1-u5-mx.websupport.sk
A45.13.137.9๐Ÿ‡ธ๐Ÿ‡ฐ WEBSUPPORT-SRO-SK-AS
PTRm1-u7-mx.websupport.sk
MXmailin2.firstclass.sk
A2a00:4b40:aaaa:2101:45:13:137:8 ๐Ÿ‡ธ๐Ÿ‡ฐ WEBSUPPORT-SRO-SK-AS
PTRm1-u6-mx.websupport.sk
A45.13.137.7๐Ÿ‡ธ๐Ÿ‡ฐ WEBSUPPORT-SRO-SK-AS
PTRmx10.websupport.at
NSns1.websupport.sk
A2a10:bbc0::11 ๐Ÿ‡จ๐Ÿ‡ฟ ACTIVE 24
PTRns1.websupport.eu
A45.10.97.11๐Ÿ‡จ๐Ÿ‡ฟ ACTIVE 24
PTRns1.websupport.eu
NSns2.websupport.sk
A2a02:250:3::12 ๐Ÿ‡ธ๐Ÿ‡ช ACTIVE 24
PTRns2.websupport.eu
A185.71.159.12๐Ÿ‡ธ๐Ÿ‡ช ACTIVE 24
PTRns2.websupport.eu
NSns3.websupport.sk
A2a10:bbc0::13 ๐Ÿ‡จ๐Ÿ‡ฟ ACTIVE 24
PTRns3.websupport.eu
A45.10.97.13๐Ÿ‡จ๐Ÿ‡ฟ ACTIVE 24
PTRns3.websupport.eu
A2a00:4b40:aaaa:2007::5 ๐Ÿ‡ธ๐Ÿ‡ฐ WEBSUPPORT-SRO-SK-AS
A37.9.175.179๐Ÿ‡ธ๐Ÿ‡ฐ WEBSUPPORT-SRO-SK-AS
PTRing.r4.websupport.sk

sk

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

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Starts with same word

Starts similarily

AI analysis

firstclass.sk is parent of mailin2.firstclass.sk and mailin1.firstclass.sk.

firstclass.sk points to two IPs: 2a00:4b40:aaaa:2007::5 and 37.9.175.179.

Other host names including ladasvetom.sk, rdv.sk, vince.sk, puzzlemania.hu and ns2.potery-omietky.sk share IP numbers with firstclass.sk.

firstclass.sk is delegated to three name servers: ns1.websupport.sk, ns2.websupport.sk and ns3.websupport.sk.

firstclass.sk at least partially shares name servers with other domains, including kmm.cz, bpsk.sk, klimatshop.cz, talanton.sk and qnd.sk.

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

firstclass.sk is handled by two mail servers: mailin1.firstclass.sk and mailin2.firstclass.sk.

Host names with two IPs:

mailin1.firstclass.sk points to: 2a00:4b40:aaaa:2101:45:13:137:7 and 45.13.137.9

mailin2.firstclass.sk points to: 2a00:4b40:aaaa:2101:45:13:137:8 and 45.13.137.7

Perform reverse DNS lookup as well as normal forward DNS. Check Autonomous System Numbers (ASNs) and BGP connections between Internet Service Providers.
dbq

BxKscdN CF johedugfp 2025-11-01