Not a Tor relay, not a VPN or privacy relay address, and not on a current public blocklist.
Services (1)
25/tcpSMTPfirst 2026-08-13 · last 2026-08-13
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220 Mail.sut.ac.ir ESMTP ready
Raw response
421 Too many concurrent SMTP connections from this IP address; please try again later.
Port history
Every port that has answered a connection on this address, and when. A port is listed as open above only when a service was identified on it. Times are UTC.