DoT is provided on TCP port 853 as specified in RFC 7858.
78.47.220.84, 2a01:4f8:1c17:4d9b::853
Location: Hetzner, Falkenstein, Germany.
Hostname: b.cyberiadot.invalid.
Certificate: b.cyberiadot.invalid.pem.
193.218.118.66, 2a0f:e586:f:fa01::2
Location: UDN, Kiev, Ukraine.
Hostname: c.cyberiadot.invalid.
Certificate: c.cyberiadot.invalid.pem.
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