Ivan Nardi 5019022e13

DNS: extract geolocation information, if available (#2065) ...

The option NSID (RFC5001) is used by Google DNS to report the
airport code of the metro where the DNS query is handled.

This option is quite rare, but the added overhead in DNS code is pretty
much zero for "normal" DNS traffic

2023-07-31 07:44:43 +02:00

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