As of our latest check on 2026-08-28, 104.243.35.228 (ReliableSite.Net LLC, AS23470, United States) had 2 open ports (25, 443) and 2 known CVEs.
Known CVEs on this host
2open ports
1name pointing here
2known CVEs
0known exploited
Open ports and CVEs as of our latest check of this host, 2026-08-28.
CVEs by severity: HIGH 1MEDIUM 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
220 104-243-35-228.respcap.com ESMTP Sendmail 8.15.2/8.15.2; Thu, 27 Aug 2026 20:04:33 -0400
421 4.7.0 104-243-35-228.respcap.com Rejecting open proxy mail3.lpswtjs.com [104.168.87.60] (may be forged)
443/tcpTLSfirst 2026-08-28 · last 2026-08-28
TLS
TLSv1.2
Certificate for
104-243-35-228.respcap.com
Issued by
104-243-35-228.respcap.com
Valid
2026-06-05 → 2027-06-05
Note
self-signed certificate
Raw response
HTTP/1.1 400 Bad Request
Date: Fri, 28 Aug 2026 00:04:33 GMT
Server: Apache/2.4.37 (AlmaLinux) OpenSSL/1.1.1k
Content-Length: 362
Connection: close
Content-Type: text/html; charset=iso-8859-1
<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN">
<html><head>
<title>400 Bad Request</title>
</head><body>
<h1>Bad Request</h1>
<p>Your browser sent a request that this server could not understand.<br />
Reason: You're speaking plain HTTP to an SSL-enabled server port.<br />
Instead use the HTTPS scheme to access this URL, please.<br />
</p>
</body></html>
Vulnerabilities
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.
Hostnames pointing to this address
1 name · as answered by each domain's own name servers