SOA
Start of Authority
Primary NS
Mailbox
hostmaster.hoppe.systems
Serial
2022073102
Refresh
3600
Retry
7200
Expire
1209600
Minimum TTL
3600
NS
Nameservers
MX
Mail Exchangers
TXT
TXT Records
protonmail-verification=b4b63393aa10a741a6c1280efc113dc29f869d80
v=spf1 include:_spf.protonmail.ch include:_spf.mailersend.net a mx include:spf-a.org-dns.com ~all
A