usf.edu.br has no AAAA records.
Apex domains cannot have CNAME records.
Adobe identity provider
Domain verification
adobe-idp-site-verification=b51761fc0d78b44aea286ed7be82882910380c620c240ef757e9f92ae87f1919
Atlassian
Domain verification
atlassian-domain-verification=ZomIgLaMsL5YiFnsZ2qhxrGItdzn8eoUEGyCm8N8quactVEKlfumQICKuexb9xxN\012\012
Google
Domain verification
google-site-verification=vEMPd2XVphQGc__sF9NPqZcHpdmD_mklJk9q-dud3QY
Microsoft
Domain verification
MS=0A078D34E3BE277B5A62EF6DF61B893234B81DF0
Microsoft
Domain verification
MS=ms11265671
Microsoft
Domain verification
MS=ms96118714
Sophos
Domain verification
sophos-domain-verification=9fc63470ea516980e625e400bffdeda8ee6ee992b6cc3bd1352ca20ce11c5bf6
v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCDk44Ki3/VF+wS4v0zto6tQL3gdRL3Q37D9hM3EW9B6uy5niO69Md2vPl5gto/eOGeandbtLQkqz5arAg3RlIMMTPxTDZ1gxMljAhqRYpRvCADOvYcbTO9CFjDIePQdoiH/M7RCz78XvbINFQzeeZGqI92ELx4mjgWr5PIXPYhBwIDAQAB
ns1-34.azure-dns.com
Microsoft Azure
ns2-34.azure-dns.net
Microsoft Azure
ns3-34.azure-dns.org
Microsoft Azure
ns4-34.azure-dns.info
Microsoft Azure
Zone apex
Start of authority
Email
Serial
2016111492
Refresh
20m
Retry
10m
Expire
14d
Negative cache TTL
1h