SOA
Start of Authority
Primary NS
Mailbox
hostmaster.sumtecseguridad.com
Serial
2018012501
Refresh
3600
Retry
120
Expire
1209600
Minimum TTL
300
MX
Mail Exchangers
TXT
TXT Records
v=spf1 a mx ~all
google-site-verification=k75Bf1TYCM8RnnQMjRTa1X7yXibdBzaurMCf7LdVwDE
brevo-code:939e1e0bf0780b4d833bf4fe75e27325
A