Zone apex
Start of authority
Email
Serial
1669026242
Refresh
30m
Retry
10m
Expire
28d
Negative cache TTL
5m
Question and response
Question
dig _external_smtp.daum.net. SOA
Answer
The response has no answer records.
Authority
daum.net. 300 SOA ns.kakaocorp.com. root.kakaocorp.com. 1669026242 1800 600 2419200 300
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0