warningConnection ErrorsAffects: All versions
How to Fix Unable to Resolve Hostname
Fix Unable to Resolve Hostname by using the IP address directly and flushing DNS cache.
Quick Fix
Try connecting with the server's IP address instead of hostname. Flush your DNS cache.
Error Message
Can't resolve hostname / Unknown hostHow to Fix
1
Try using the direct IP address instead of hostname
2
Flush DNS cache: ipconfig /flushdns (Windows), sudo dscacheutil -flushcache (Mac)
3
Change DNS to 8.8.8.8 or 1.1.1.1
4
Contact server admin about DNS configuration
Common Causes
- DNS cannot resolve the server domain name
- Server domain expired or misconfigured
- Local DNS cache stale
Diagnostic Steps
- Try the IP address directly
- Flush DNS cache
- Change DNS servers
- Contact admin if hostname is broken
FAQ
How do I find a server's IP from its hostname?
Use nslookup <hostname> in a terminal. It will show the IP address. You can also use an SRV record lookup tool.