snpator.upf.edu. A RRSIG NSEC
Question and response
Question
dig smtp-rec.upf.edu. NSEC
Answer
smtp-rec.upf.edu. 600 NSEC snpator.upf.edu. A RRSIG NSEC
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1024, xrcode 0, version 0, flags 0