speedtest.blacom.net. A RRSIG NSEC
Question and response
Question
dig smtp.blacom.net. NSEC
Answer
smtp.blacom.net. 3600 NSEC speedtest.blacom.net. A RRSIG NSEC
Authority
blacom.net. 3600 NS dns2.blacom.net.
blacom.net. 3600 NS dns1.internetcomunicate.mx.
Additional
dns1.internetcomunicate.mx. 3600 A 201.131.200.14
dns2.blacom.net. 3600 A 201.131.200.25
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0