mail-backup.spk.cz. A RRSIG NSEC
Question and response
Question
dig mail.spk.cz. NSEC
Answer
mail.spk.cz. 3600 NSEC mail-backup.spk.cz. A RRSIG NSEC
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0