SOA
Start of Authority
Primary NS
Mailbox
hostmaster.1und1.com
Serial
2017060118
Refresh
28800
Retry
7200
Expire
604800
Minimum TTL
600
NS
Nameservers
MX
Mail Exchangers
TXT
TXT Records
protonmail-verification=bec645f502161e914682e28c641143e7a479a14b
v=spf1 a mx include:_spf-eu.ionos.com include:_spf.protonmail.ch ~all
A