Zone apex
Start of authority
Email
Serial
1704628871
Refresh
3h
Retry
1h
Expire
7d
Negative cache TTL
3h
Question and response
Question
dig mailrelay.layer23.nl. SOA
Answer
The response has no answer records.
Authority
layer23.nl. 3600 SOA ns2.ip-security.nl. maarten.layer23.nl. 1704628871 10800 3600 604800 10800
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0