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Port Information
Protocol Service Name
tcp s DNS
tcp domain-s DNS query-response protocol run over TLS,[IESG],[IETF_Chair],2015-10-08,2022-04-11,[RFC7858],,,
udp domain-s DNS query-response protocol run over DTLS or QUIC,[IESG],[IETF_Chair],2015-10-08,2022-04-01,[RFC7858][RFC8094][RFC9250],,,
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173.194.99.16 (16)172.217.34.21 (30)
74.125.112.16 (15)74.125.46.155 (28)
172.217.34.20 (15)173.194.169.94 (25)
172.253.2.211 (10)172.253.9.219 (25)
74.125.74.16 (10)74.125.46.25 (25)
172.217.34.29 (10)173.194.98.29 (25)
199.45.154.126 (10)74.125.46.152 (21)
172.217.34.16 (10)74.125.74.16 (20)
74.125.74.28 (10)74.125.112.23 (20)
172.217.37.153 (10)172.217.33.208 (20)
Port diary mentions
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What's up with TCP 853 (DNS over TLS)?
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Next up, what's up with TCP port 26?
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