Zone apex
Start of authority
Email
Serial
2003180915
Refresh
20m
Retry
2m 24s
Expire
7d
Negative cache TTL
1h
Question and response
Question
dig protonmail3.domainkey.dpsgh4a7yhthqzqlwj24hxrhbbac57tn4fr7qq6fkgtrdmdu4tuha.domains.proton.ch. SOA
Answer
The response has no answer records.
Authority
domains.proton.ch. 1200 SOA ns1-domains.proton.ch. support.protonmail.com. 2003180915 1200 144 604800 3600
Additional
. 0 OPT ; payload 1280, xrcode 0, version 0, flags 0