Zone apex
Start of authority
Email
Serial
2397497893
Refresh
2h 46m 40s
Retry
40m
Expire
7d
Negative cache TTL
30m
Question and response
Question
dig mail.sdmarc.net. SOA
Answer
The response has no answer records.
Authority
sdmarc.net. 1800 SOA ns1.sendmarc.net. dns.cloudflare.com. 2397497893 10000 2400 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0