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Rule to block IP without PTR (reverse record)

A number of server-side tracking systems are using Cloud Services Provider IP to deploy trackers. These IPs have **no PTR record**. Just like today Google is rejecting emails from IP without proper PTR record the same logic should be applied by adding an, optional / flag, to perform a PTR lookup and block accordingly like for email.

1 reply

null
    • R_P_M
    • 1 hr ago
    • Reported - view

    Can’t be done with a DNS service. If a browser is given an IP it will connect without the need of DNS lookup. 

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