smtp.is.hvfree.net. A RRSIG NSEC
Question and response
Question
dig is.hvfree.net. NSEC
Answer
is.hvfree.net. 1800 NSEC smtp.is.hvfree.net. A RRSIG NSEC
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0