Website Down vs DNS Issue: What Is the Difference?
A practical explanation of the difference between a true website outage and a DNS problem, and how to tell which side is actually failing.
When a website stops loading, people often say “the site is down.”
That might be true.
It might also be a DNS problem.
Website outage
A true website outage usually means the service path exists, but the application or server is failing.
Typical signs:
- the hostname resolves
- the request reaches something
- the response is broken, slow, or failing
DNS issue
A DNS issue usually means the path is wrong before the request ever reaches the intended service.
Typical signs:
- wrong nameservers
- wrong
AorAAAArecords - missing records
- stale or partial propagation after a change
Why this matters
Because the fix is completely different.
If the problem is DNS, waiting on the app team may not help.
If the problem is the server or application, changing records may only create more chaos.
Practical workflow
- check the nameservers
- check the
AandAAAArecords - check whether the site responds at all
- separate DNS-path issues from application-path issues
Useful next reads:
- How to Check If a Website Is Down or Just Slow
- How to Check A and AAAA Records for a Domain
- DNS Propagation Checker: How to Tell If Records Updated
The short version
Website down means the service path exists but the site is failing.
DNS issue means the path to the site may be wrong before the service is even reached.
Continue reading
Stay in the same investigation track with these closely related guides.
Tools mentioned in this article
Run the same diagnostics to follow along with the guide.