(1) Your ISP and employer know which sites you're visting (modulo virtual hosting) by inspecting your IP packets and doing a reverse DNS lookup. It's the price you pay for someone routing your traffic: they have to know where to send it.
You have a point, but as a webmaster there's surely no requirement for me to create a PTR record, right? As long as there's an A record somewhere, surely things will work? This is perhaps what you were getting at with "(modulo virtual hosting)" I guess (though to me that would suggest SNI-based certificate serving from one IP)?
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You have a point, but as a webmaster there's surely no requirement for me to create a PTR record, right? As long as there's an A record somewhere, surely things will work? This is perhaps what you were getting at with "(modulo virtual hosting)" I guess (though to me that would suggest SNI-based certificate serving from one IP)?