\000.smtp03-e2.everbridge.net. A RRSIG NSEC
Question and response
Question
dig smtp03-e2.everbridge.net. NSEC
Answer
smtp03-e2.everbridge.net. 300 NSEC \000.smtp03-e2.everbridge.net. A RRSIG NSEC
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0