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Uptime troubleshooting ​

When your site goes Down or Needs attention, every second counts — and so does knowing exactly what to do next. This section tells you what's happening and how to put it right, so you can get back to a green dashboard fast.

Not sure what you're looking at? The site is down page matches your symptom to the specific problem.

Connection issues ​

The request never reaches your server. Here's how to tell which one you've hit.

  • Connection refused — the server actively rejected the connection. Usually a stopped web server, firewall rule, or the server binding to localhost only.
  • Connection timeout — nothing replied within the timeout window. Usually server overload, a deadlocked process, or a network black hole.
  • DNS resolution failed — the domain couldn't be resolved to an IP address. Could be an expired domain, missing records, or a nameserver problem.

HTTP response issues ​

The server responds, but with an error code instead of your page.

  • HTTP 4xx response — the server rejected the request. Common causes are authentication requirements on the checked URL, WAF rules, or a moved page.
  • HTTP 5xx response — the server returned an error. Covers 500 application crashes, 502/504 upstream failures, and 503 service unavailable.

Performance issues ​

The site loads, but slowly enough that your visitors notice.

  • Site responding slowly — the site responds, but too slowly, so DomainDash marks it Needs attention. Guides you through finding the bottleneck, whether it's DNS, the server, or content delivery.

Common questions ​

  • Site is down — a routing page from the user-facing symptom to the specific failure causing it.

Catch this automatically

DomainDash keeps an eye on this for you — and tells you in plain English the moment something needs your attention, before your visitors notice. Set up in under a minute, no credit card.

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Last updated: 19 June 2026