Zone apex
Start of authority
Email
Serial
1
Refresh
6h
Retry
1h
Expire
7d
Negative cache TTL
1h
Question and response
Question
dig mx1.dds.nl. SOA
Answer
The response has no answer records.
Authority
dds.nl. 3600 SOA ns1.dds.nl. postmaster.dds.nl. 1 21600 3600 604800 3600
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0