Zone apex
Start of authority
Email
Serial
2019070801
Refresh
1h
Retry
5m
Expire
21d
Negative cache TTL
5m
Question and response
Question
dig postfix.har.com. SOA
Answer
The response has no answer records.
Authority
har.com. 3600 SOA ns-612.awsdns-12.net. awsdns-hostmaster.amazon.com. 2019070801 3600 300 1814400 300
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0