_dmarc.seppmaildemo.com. NS SOA MX TXT RRSIG NSEC DNSKEY
Question and response
Question
dig seppmaildemo.com. NSEC
Answer
seppmaildemo.com. 3600 NSEC _dmarc.seppmaildemo.com. NS SOA MX TXT RRSIG NSEC DNSKEY
Authority
seppmaildemo.com. 3600 NS ns.seppmail.ch.
seppmaildemo.com. 3600 NS ns.seppmail.io.
seppmaildemo.com. 3600 NS ns.seppmail.cloud.
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0