WWW.RTSAK.COM - core4.sk
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core4.sk checked at 2025-11-14T05:11:07.901Z 298ms 106/106/106 100% R:11 allDone:true timedOut:false core4.sk
sk
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PTR for
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Starts with same word
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AI analysis
core4.sk is a parent of mail.core4.sk, topaz.core4.sk, amber.core4.sk, nefrit.core4.sk, fb.core4.sk and a few other host names.
core4.sk points to a single IP: 37.9.168.233.
Other host names, for example nefrit.core4.sk, fb.core4.sk, slaspo.sk and demel.sk share IP numbers with core4.sk.
core4.sk is delegated to three name servers: ns1.websupport.sk, ns2.websupport.sk and ns3.websupport.sk.
core4.sk partially shares name servers with other domains; examples include cervena.sk, sportalio.sk, giorno.sk, sbcb.sk and technomarkt.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.
core4.sk is handled by a single mail server, core4-sk.mail.protection.outlook.com.
Hostname core4-sk.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:ca04::c, 2a01:111:f403:ca04::d, 2a01:111:f403:ca04::10, 2a01:111:f403:ca09::b, 52.101.68.18, 52.101.73.16, 52.101.73.22 and 52.101.73.28.