SOA
Start of Authority
Primary NS
Mailbox
hostmaster.1und1.com
Serial
2017060113
Refresh
28800
Retry
7200
Expire
604800
Minimum TTL
600
NS
Nameservers
MX
Mail Exchangers
TXT
TXT Records
protonmail-verification=801335a750430e7a69097ea7d91ce2e8be2a59df
v=spf1 include:_spf.protonmail.ch mx ~all
A
IPv4 Addresses
AAAA