_DMARC.mailmerc.com. A NS SOA MX TXT RRSIG NSEC DNSKEY CAA
Question and response
Question
dig mailmerc.com. NSEC
Answer
mailmerc.com. 300 NSEC _DMARC.mailmerc.com. A NS SOA MX TXT RRSIG NSEC DNSKEY CAA
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0