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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],,,
Top IPs Scanning
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172.253.238.133 (345)172.253.238.129 (700)
172.253.238.132 (310)172.253.238.134 (585)
172.253.238.129 (290)172.253.238.138 (575)
172.253.238.134 (290)172.253.238.132 (525)
172.253.238.130 (290)172.253.238.131 (525)
172.253.238.136 (285)172.253.238.130 (520)
172.253.238.131 (285)172.253.238.133 (515)
172.217.43.2 (250)172.253.238.135 (510)
172.217.45.5 (245)172.217.43.2 (500)
172.253.238.138 (240)172.253.238.136 (485)
Port diary mentions
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What's up with TCP 853 (DNS over TLS)?
Next up, what's up with TCP port 26?
Next up, what's up with TCP port 26?
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