SOA
Start of Authority
Primary NS
Mailbox
hostmaster.1und1.com
Serial
2017060198
Refresh
28800
Retry
7200
Expire
604800
Minimum TTL
600
TXT
TXT Records
v=spf1 include:_spf.protonmail.ch ~all
protonmail-verification=b4a867ae32d44d2973e018c7fa8fac3c3ba36235
AAAA