Hi!
Reverse DNS is actually ok, see
; <<>> DiG <<>> 250.195.58.185.in-addr.arpa. ANY
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 37755
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 1
;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 4000
;; QUESTION SECTION:
;250.195.58.185.in-addr.arpa. IN ANY
;; ANSWER SECTION:
250.195.58.185.in-addr.arpa. 21424 IN PTR host250-195-58-185.serverdedicati.aruba.it.
;; Query time: 348 msec
;; SERVER: 167.74.82.25#53(167.74.82.25)
;; WHEN: Wed Oct 21 15:24:45 Est 2015
;; MSG SIZE rcvd: 112
See “answer section”…
(The way to query a reverse DNS entry is somewhat weird (written backwards and all that) but trust me it’s the right syntax, I was DNS admin for quite a few years…)
They most likely automatically generated those PTR entries (I know you can do that with ISC Bind (named)) but didn’t bother to create A records for the forward zone…
That machine would $u(k at sending emails because many servers expect a mail server to have a proper reverse DNS entry (which it does) but the A record to match…
@dicko, if it’s for the server to talk to himself, couldn’t he just use localhost (or is Asterisk/FreePBX not listening on it???).
As for accessing the server from the outside if that can’t be fixed on Aruba’s side and @claloano has his own domain name I would create an A record for that server in it…
Good luck and have a nice day!
Nick