How is a DNS lookup performed for NAPTR records after transforming the E.164 number, and what command is used to execute this query?

Modified on Tue, 15 Oct, 2024 at 12:38 PM

After transforming the E.164 number, a DNS lookup is performed for NAPTR records using the command:
dig @DFIP -p 5353 0.6.0.0.1.6.6.6.7.0.4.e164.arpa IN NAPTR

This command queries the specified DNS server (DFIP) for NAPTR records related to the transformed number.