SOA
Start of Authority
Primary NS
Mailbox
hostmaster.1and1.com
Serial
2017060617
Refresh
28800
Retry
7200
Expire
604800
Minimum TTL
300
TXT
TXT Records
v=spf1 include:_spf.protonmail.ch mx ~all
protonmail-verification=9ce9aa609c26f1a1b860c20d9af60f0be5a7f55f
A
IPv4 Addresses
AAAA