_sip._udp.asterisk.isc.org. A RRSIG NSEC
Question and response
Question
dig asterisk.isc.org. NSEC
Answer
asterisk.isc.org. 3600 NSEC _sip._udp.asterisk.isc.org. A RRSIG NSEC
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0