DNSWHOIS.INFO - checkalc.com
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checkalc.com checked at 2025-10-28T04:21:04.662Z 280ms 92/92/92 100% R:13checkalc.com
| MX | mailin1.checkalc.com | ||||||
| A | 2a00:4b40:aaaa:2101:45:13:137:110 🇸🇰 Websupport | ||||||
| PTR | mx10.websupport.sk | ||||||
| A | 45.13.137.109🇸🇰 Websupport | ||||||
| PTR | m1-u5-mx.websupport.sk | ||||||
| MX | mailin2.checkalc.com | ||||||
| A | 2a00:4b40:aaaa:2101:45:13:137:112 🇸🇰 Websupport | ||||||
| A | 45.13.137.8🇸🇰 Websupport | ||||||
| PTR | mx20.websupport.at | ||||||
| NS | ns1.websupport.cz | ||||||
| A | 2a10:bbc0::11 🇨🇿 ACTIVE 24 | ||||||
| PTR | ns1.websupport.eu | ||||||
| A | 45.10.97.11🇨🇿 ACTIVE 24 | ||||||
| PTR | ns1.websupport.eu | ||||||
| NS | ns2.websupport.cz | ||||||
| A | 2a02:250:3::12 🇸🇪 ACTIVE 24 | ||||||
| PTR | ns2.websupport.eu | ||||||
| A | 185.71.159.12🇸🇪 ACTIVE 24 | ||||||
| PTR | ns2.websupport.eu | ||||||
| NS | ns3.websupport.eu | ||||||
| A | 2a10:bbc0::13 🇨🇿 ACTIVE 24 | ||||||
| PTR | ns3.websupport.eu | ||||||
| A | 45.10.97.13🇨🇿 ACTIVE 24 | ||||||
| PTR | ns3.websupport.eu | ||||||
| A | 95.168.210.61🇨🇿 SuperNetwork | ||||||
| PTR | virtual5.mepatek.cz | ||||||
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Starts with same word
checkalc.com |
Starts similarily
AI analysis
checkalc.com is the parent of mailin1.checkalc.com and mailin2.checkalc.com.
checkalc.com resolves to a single IP: 95.168.210.61.
Other host names, for instance www.zkratky.cz, jednotky.cz, zz.cz, zkratky.cz and *.zz.cz share IP numbers with checkalc.com.
checkalc.com delegates to three name servers: ns1.websupport.cz, ns2.websupport.cz and ns3.websupport.eu.
checkalc.com shares some name servers with other domains, for example glowarm.co.uk, cz-a.com, goldkey.eu, sgc.cz and mav.cz.
Host names with two IP numbers:
ns1.websupport.cz: 2a10:bbc0::11 and 45.10.97.11
ns2.websupport.cz: 2a02:250:3::12 and 185.71.159.12
ns3.websupport.eu: 2a10:bbc0::13 and 45.10.97.13
checkalc.com is served by two mail servers: mailin1.checkalc.com and mailin2.checkalc.com.
Host names with two IP numbers:
mailin1.checkalc.com points to: 2a00:4b40:aaaa:2101:45:13:137:110 and 45.13.137.109; mailin2.checkalc.com points to: 2a00:4b40:aaaa:2101:45:13:137:112 and 45.13.137.8.