WWW.RTSAK.COM - 20.121.231.147.in-addr.arpa
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20.121.231.147.in-addr.arpa checked at 2025-10-04T13:56:31.238Z 464ms 16/16/16 100% R:1620.121.231.147.in-addr.arpa
| PTR | ucebna-b.uochb.cas.cz | ||||||
| A | 147.231.121.20🇨🇿 CESNET | ||||||
| PTR | ucebna-b.uochb.cas.cz | ||||||
121.231.147.in-addr.arpa
| NS | academy.cas.cz | ||||||
| NS | dns.uochb.cas.cz | ||||||
| NS | minea.uochb.cas.cz | ||||||
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