spftest.penno365.isc.upenn.edu. TXT RRSIG NSEC
Question and response
Question
dig spf.penno365.isc.upenn.edu. NSEC
Answer
spf.penno365.isc.upenn.edu. 600 NSEC spftest.penno365.isc.upenn.edu. TXT RRSIG NSEC
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0