+1 pour les DNS.
Norton en met aussi à disposition :
Norton ConnectSafe ( https://dns.norton.com/ )
A - Security (malware, phishing sites and scam sites)
Preferred DNS: 199.85.126.10 et Alternate DNS: 199.85.127.10
B - Security + Pornography
Preferred DNS: 199.85.126.20 et Alternate DNS: 199.85.127.20
C - Security + Pornography + Other (mature content, abortion, alcohol, crime, drugs, file sharing, gambling, hate, suicide, tobacco or violence)
Preferred DNS: 199.85.126.30et Alternate DNS: 199.85.127.30