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- 220 ESMTP MailEnable Service, Version: 10.55-- ready at 08/27/26 18:32:27
Raw response
220 ESMTP MailEnable Service, Version: 10.55-- ready at 08/27/26 18:30:53
Host
Tags: Hosting Expired certificate
As of our latest check on 2026-08-27, 104.253.217.53 (H4Y Technologies LLC, AS397373, United States) had 3 open ports (25, 80, 443) and 1 known CVE.
Open ports and CVEs as of our latest check of this host, 2026-08-27.
CVEs by severity: HIGH 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 ESMTP MailEnable Service, Version: 10.55-- ready at 08/27/26 18:30:53
HTTP/1.1 200 OK
Date: Thu, 27 Aug 2026 23:30:53 GMT
Server: Apache
Vary: X-Requested-With
Upgrade: h2,h2c
Connection: Upgrade
Content-Length: 1781
Content-Type: text/html; charset=UTF-8
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Welcome to 104.253.217.53</title>
<link href="https://fonts.googleapis.com/css?family=Open+Sans:300,400,700" rel="stylesheet" type="text/css">
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/css/bootstrap.min.css">
<link rel="stylesheet" href="//104.253.217.53/dist/style.css">
</head>
<body>
<div class="container">
<div class="row">
<section class="content">
<h2>Welcome to <span>104.253.217.53</span></h2>
<p>This is a tracking domain used for processing emai
HTTP/1.1 400 Bad Request Date: Thu, 27 Aug 2026 23:30:52 GMT Server: Apache Content-Length: 402 Connection: close Content-Type: text/html; charset=iso-8859-1 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd"> <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>
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.