( = reverse DNS lookup)

olemus
pöörd-aadressiteisendus, hostinime leidmine ta IP-aadressi järgi,
näiteks spämmi filtreerimisel
= reverse DNS lookup, i. e. finding a hostname from its IP address, for example in spam filtering

ülevaateid
https://blog.leadfeeder.com/what-is-reverse-dns-and-why-you-should-care/

https://en.wikipedia.org/wiki/Reverse_DNS_lookup

https://datatracker.ietf.org/doc/html/rfc5158