Learn how to verify and troubleshoot your domain's DNS settings using online tools.
What are DNS Records?
DNS records tell the internet where to find your website and email services. Common types include:
• A Record: Points domain to IP address
• CNAME: Points subdomain to another domain
• MX Record: Directs email to mail servers
• TXT Record: Text information for verification
Online DNS Lookup Tools
Recommended tools:
• whatsmydns.net - Global DNS propagation checker
• mxtoolbox.com - Comprehensive DNS analysis
• dnschecker.org - Multiple location DNS lookup
• nslookup.io - Simple DNS record lookup
Checking A Records
1. Go to whatsmydns.net
2. Enter your domain name
3. Select "A" record type
4. Click "Search"
5. Verify the IP address matches your hosting server
Checking MX Records
1. Use mxtoolbox.com
2. Enter your domain
3. Click "MX Lookup"
4. Verify mail servers are correct
5. Check priority numbers
Troubleshooting DNS Issues
- Records not updating: DNS propagation takes 24-48 hours
- Website not loading: Check A record points to correct IP
- Email not working: Verify MX records are correct
- Subdomain issues: Check CNAME records
Understanding Propagation
DNS changes don't happen instantly:
• Changes can take 24-48 hours globally
• Some locations update faster than others
• Clear your browser cache and DNS cache
• Use different devices/networks to test
