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- 220 swoi-mx1.swoi.net ESMTP Exim 4.99.4 Thu, 27 Aug 2026 23:51:02 +0000
Raw response
220 swoi-mx1.swoi.net ESMTP Exim 4.99.4 Thu, 27 Aug 2026 23:48:59 +0000 501 NUL characters are not allowed in SMTP commands
Host
As of our latest check on 2026-08-27, 104.241.224.4 (SWOI, AS394472, United States) had 1 open port (25) and 6 known CVEs.
Open ports and CVEs as of our latest check of this host, 2026-08-27.
CVEs by severity: HIGH 4 MEDIUM 1 LOW 1
A match is an indication, not proof: it is based on the software version a service reported, and fixes are often backported without changing the version. See the list
Not a Tor relay, not a VPN or privacy relay address, and not on a current public blocklist.
220 swoi-mx1.swoi.net ESMTP Exim 4.99.4 Thu, 27 Aug 2026 23:48:59 +0000 501 NUL characters are not allowed in SMTP commands
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.