MXLIST.NET - 4.21.231.147.in-addr.arpa
Search for IP or hostnames:
4.21.231.147.in-addr.arpa checked at 2025-10-22T13:23:57.114Z 336ms 16/16/16 100% R:134.21.231.147.in-addr.arpa
| PTR | michal.itam.cas.cz | ||||||
| A | 147.231.21.4🇨🇿 CESNET | ||||||
| PTR | michal.itam.cas.cz | ||||||
21.231.147.in-addr.arpa
| NS | dns.itam.cas.cz | ||||||
| NS | visla.utia.cas.cz | ||||||
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