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  1. #1
    Join Date
    Mar 2009

    How to detect is it dns or http down?

    If i put on uptime checker,and downtime is detected,downtime will be reported if dns is down or if http server is down.So question is what i need to do to see what exactly went down?For network uptime i can ping ip adress,but for these two i really don't know.

  2. #2
    Join Date
    Jul 2007
    You can ping the domain, if the domain does not resolve, the chances are the DNS or the entire server is down. If the DNS resolves and gives a reply, but website does not open, then the web server may be down. If the DNS server is on another server, then the chances are that the entire server in which the web server resides may be down.
    Prashant T.

    Don't run after Success. Run after Excellence and Success will soon follow.

  3. #3
    Join Date
    Mar 2009
    To detect if it is a DNS problem you can use dig :

    # dig @your.nameserver your.domain
    ★ NinjaFirewall : Web Application Firewall for PHP and WordPress.
    ★ NinjaMonitoring : Monitor your website for suspicious activities.

  4. #4
    Join Date
    Apr 2007
    for dns use dig.
    for http telnet to port 80 on your server.
    - Buying up websites, side-projects and companies - PM Me! -

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