_nmu_real_spf.spf.nmugroup.com. TXT RRSIG NSEC
Question and response
Question
dig spf.nmugroup.com. NSEC
Answer
spf.nmugroup.com. 3600 NSEC _nmu_real_spf.spf.nmugroup.com. TXT RRSIG NSEC
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0