SOA
Start of Authority
Primary NS
Mailbox
dns.cloudflare.com
Serial
2418478532
Refresh
10000
Retry
2400
Expire
604800
Minimum TTL
1800
MX
Mail Exchangers
TXT
TXT Records
firebase=alerta-vuelos-49ba1
v=spf1 include:_spf.firebasemail.com ~all
v=spf1 include:_spf.mx.cloudflare.net ~all
AAAA