$ORIGIN dnstestzone11.com.
@ 3600 IN SOA ns0-00.azure-dns.com. azuredns-hostmaster.microsoft.com. ( 1 3600 300 2419200 300 )
@ 172800 NS ns0-00.azure-dns.com.
@ 172800 NS ns0-00.azure-dns.net.
@ 172800 NS ns0-00.azure-dns.org.
@ 172800 NS ns0-00.azure-dns.info.
mynaptr 3600 NAPTR 10 20 "A" "EAU+SIP" "EMPTY" domain.com.
mynaptr 3600 NAPTR 20 20 "U" "SIP+D2U" "!^(\\+441632960083)$!sip:\\1@example.com!" .