handcalcs.app

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SOA

Start of Authority

Primary NS
Mailbox
hostmaster.nsone.net
Serial
1782609288
Refresh
43200
Retry
7200
Expire
1209600
Minimum TTL
3600
TXT

TXT Records

v=spf1 include:_spf.protonmail.ch ~all
protonmail-verification=ef4c1eaf8b2ec4bf8d32e8610bc5c4c6200a1291