_spf.smtp.leidenuniv.nl. A RRSIG NSEC
Question and response
Question
dig smtp.leidenuniv.nl. NSEC
Answer
smtp.leidenuniv.nl. 7200 NSEC _spf.smtp.leidenuniv.nl. A RRSIG NSEC
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0