SOA
Start of Authority
Primary NS
Mailbox
info.collab.nl
Serial
2021000017
Refresh
14400
Retry
14400
Expire
1209600
Minimum TTL
86400
NS
Nameservers
MX
Mail Exchangers
TXT
TXT Records
v=spf1 include:_spf.protonmail.ch ~all
protonmail-verification=d64cf4acb15e9e7ffa0912f6de352f4f2bde9e71
A