\000.smtp-out.orange.com. A TXT RRSIG NSEC
Question and response
Question
dig smtp-out.orange.com. NSEC
Answer
smtp-out.orange.com. 3600 NSEC \000.smtp-out.orange.com. A TXT RRSIG NSEC
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0