_acme-challenge.mail.agastone.ru. A TXT RRSIG NSEC
Question and response
Question
dig mail.agastone.ru. NSEC
Answer
mail.agastone.ru. 10800 NSEC _acme-challenge.mail.agastone.ru. A TXT RRSIG NSEC
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0