SMTP Diag Tool Alternatives

SMTP Diag Tool is described as 'Is used to identify and troubleshoot SMTP server problems by trying to send a message to an SMTP server while displaying all diagnostic information in realtime in a log window' and is an app in the network & admin category. There are more than 10 alternatives to SMTP Diag Tool for a variety of platforms, including Web-based, SaaS, Mac, Windows and Linux apps. The best SMTP Diag Tool alternative is Pingdom. It's not free, so if you're looking for a free alternative, you could try MxToolBox or Upzilla. Other great apps like SMTP Diag Tool are Uptime.com, intoDNS, Pingbreak and Dnsstuff.

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Alternatives
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Alternatives list

  1. Uptimely icon

    Uptimely

     1 like

    Uptimely simplifies monitoring the uptime of your services, alerts you to downtime, and helps you create status pages to keep your customers informed.

    Cost / License

    • Freemium
    • Proprietary

    Application type

    Platforms

    • Online
    Uptimely screenshot 1
    Good alternative?
     
  2. Web Utils icon

    Web Utils

     Like

    Web monitoring service, which checks website every 5 minutes. It detects when it's offline, redirected, broken or even hacked. Provides SMS and email notifications, statistics and logs.

    145 Web Utils alternatives

    Cost / License

    • Paid
    • Proprietary

    Application type

    Platforms

    • Software as a Service (SaaS)
    Web Utils screenshot 1
    Good alternative?
     
  4. Statusdroid icon

    Statusdroid

     Like

    Statusdroid operates a worldwide network of servers which checks your website every 30 seconds from over 15 worldwide locations.

    Cost / License

    • Free Personal
    • Proprietary

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Chrome OS
    Good alternative?
     
  5. Hexadecimal icon

    Hexadecimal

     Like
    • Uptime monitoring - checks are performed approximately once every minute from one of the available locations worldwide. During downtimes, checks are performed from four different locations simultaneously. Downtime is only recorded if more than half of servers can confirm it.

    Cost / License

    • Paid
    • Proprietary

    Application type

    Platforms

    • Online
    • Software as a Service (SaaS)
    Hexadecimal screenshot 1
    Good alternative?
     
  6. Valla DNS icon

    Valla DNS

     Like

    Valla DNS is a free, no-signup, all-in-one domain and network intelligence toolkit for developers, sysadmins, and IT professionals. It brings the checks you normally spread across a dozen sites into one fast, dark-mode-friendly interface, with no login and no paywall.

    Cost / License

    • Free
    • Proprietary

    Platforms

    • Online
    • Software as a Service (SaaS)
    • US flagUnited States
    Home Page Domain Look Up.
    Good alternative?
     
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