Domain > sms.opteli.com

More information on this domain is in AlienVault OTX

DNS Resolutions

Date	IP Address
2022-06-18	3.210.213.173 (ClassC)
2025-06-10	52.55.51.107 (ClassC)
2025-12-24	75.101.244.254 (ClassC)
2026-01-05	34.200.190.21 (ClassC)
2026-01-14	54.90.82.59 (ClassC)

HTTP/1.1 500 Internal Server ErrorDate: Wed, 24 Dec 2025 19:09:13 GMTContent-Type: text/html; charsetutf-8Content-Length: 9232Connection: keep-aliveCache-Control: privateServer: Microsoft-IIS/7.5X-Asp

!DOCTYPE html>html>    head>        title>Value cannot be null.br>Parameter name: String/title>        meta nameviewport contentwidthdevice-width />        style>         body {font-family:Verdana;font-weight:normal;font-size: .7em;color:black;}          p {font-family:Verdana;font-weight:normal;color:black;margin-top: -5px}         b {font-family:Verdana;font-weight:bold;color:black;margin-top: -5px}         H1 { font-family:Verdana;font-weight:normal;font-size:18pt;color:red }         H2 { font-family:Verdana;font-weight:normal;font-size:14pt;color:maroon }         pre {font-family:Consolas,Lucida Console,Monospace;font-size:11pt;margin:0;padding:0.5em;line-height:14pt}         .marker {font-weight: bold; color: black;text-decoration: none;}         .version {color: gray;}         .error {margin-bottom: 10px;}         .expandable { text-decoration:underline; font-weight:bold; color:navy; cursor:hand; }         @media screen and (max-width: 639px) {          pre { width: 440px; overflow: auto; white-space: pre-wrap; word-wrap: break-word; }         }         @media screen and (max-width: 479px) {          pre { width: 280px; }         }        /style>    /head>    body bgcolorwhite>            span>H1>Server Error in / Application.hr width100% size1 colorsilver>/H1>            h2> i>Value cannot be null.br>Parameter name: String/i> /h2>/span>            font faceArial, Helvetica, Geneva, SunSans-Regular, sans-serif >            b> Description: /b>An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.            br>br>            b> Exception Details: /b>System.ArgumentNullException: Value cannot be null.br>Parameter name: Stringbr>br>            b>Source Error:/b> br>br>            table width100% bgcolor#ffffcc>               tr>                  td>                      code>An unhandled exception was generated during the execution of the current web request. Information regarding t

Port 443

HTTP/1.1 500 Internal Server ErrorDate: Wed, 24 Dec 2025 19:09:14 GMTContent-Type: text/html; charsetutf-8Content-Length: 9232Connection: keep-aliveCache-Control: privateServer: Microsoft-IIS/7.5X-Asp

Subdomains

Date	Domain	IP
erareader.opteli.com	2026-01-05	54.208.170.113
sms.opteli.com	2025-12-24	75.101.244.254
www.opteli.com	2025-12-24	34.200.190.21

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Data with thanks to AlienVault OTX, VirusTotal, Malwr and others. [Sitemap]

Domain > sms.opteli.com

Is this malicious?

DNS Resolutions

Port 80

Port 443

Subdomains