SOA
Start of Authority
Primary NS
Mailbox
systems.handynetworks.com
Serial
2026073101
Refresh
3600
Retry
1800
Expire
1209600
Minimum TTL
86400
TXT
TXT Records
protonmail-verification=c9d81b72c7c394fc40eb8d39ea1923b519f381a8
v=spf1 include:_spf.protonmail.ch ~all