What causes DNS errors?
Typically, DNS errors are caused by problems on the user end, whether that’s with a network or internet connection, misconfigured DNS settings, or an outdated browser. They can also be attributed to a temporary server outage that renders the DNS unavailable.
How to resolve the host name could not be resolved in DNS?
The Host Name Could Not be Resolved in DNS If the Host (A) resource record does not exist or is incorrect, then manually add or modify the host record. If your external DNS zone is hosted by a third party, you may have to contact that company or use custom tools to make these DNS modifications.
What to do when DNS server not responding?
If switching browsers doesn’t resolve the “DNS Server Not Responding” issue, the next step is to temporarily deactivate your firewall. Antivirus software and firewalls are critical for safeguarding your devices, but they can sometimes cause issues that interfere with network connections.
How does the Microsoft remote connectivity analyzer tool perform a DNS lookup?
The Microsoft Analyzer Tool performs a Domain Name System (DNS) lookup to retrieve the Host (A) record of the host name provided. If the DNS lookup operation does not return an IP address, then the Microsoft Remote Connectivity Analyzer displays the following error message: