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A comment on Analysis of the GFW's Unconditional Port 443 Block on August 20, 2025. Parent comment

Re:Analysis of the GFW's Unconditional Port 443 Block on Aug... by Faaak on Wednesday August 20, 2025 @04:08AM (#44959790)
Actually, they wouldn't really know unless this domain is used. I guess they check the `Host` header to get the domain that targeted this IP and then check where the MX are hosted.
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