Re: about PTR for an IP

On 06/08/2023 13:01, Jon Smart wrote: Hello, I know a hostname can point to multi-IPs. but can an IP have multi hostnames in PTR? 164.0.217.172.in-addr.arpa. 86400 INPTR mia09s16-in-f4.1e100.net. 164.0.217.172.in-addr.arpa. 86400 INPTR ord38s42-in-f4.1e100.net. 164.0.217.172.i

Re: about PTR for an IP

On 6 Aug 2023 20:01 +0800, from j...@daydaylive.us (Jon Smart): > but can an IP have multi hostnames in PTR? Sure. It's perfectly allowed. PTR is just another RRtype, and there's nothing particularly magical about the in-addr.arpa zone. But actually doing it is generally a bad idea in practice.

about PTR for an IP

Hello, I know a hostname can point to multi-IPs. but can an IP have multi hostnames in PTR? 164.0.217.172.in-addr.arpa. 86400 INPTR mia09s16-in-f4.1e100.net. 164.0.217.172.in-addr.arpa. 86400 INPTR ord38s42-in-f4.1e100.net. 164.0.217.172.in-addr.arpa. 86400 INPTR yyz08s10