...
| No Format |
|---|
host -t naprt 1.1.1.6.5.4.3.2.1.e164.arpa.
or
dig -t naptr +short @nameserver 1.1.1.6.5.4.3.2.1.e164.arpa.
|
...
These commands just retrive dns record from server. To test regexp you can use php scripts at nona.net where e164.arpa, e164.org, e164.info and enum.org are queried. At CESNET site you can find script that look looks up e164.apra and , nrenum.net and e164.org.