Your DNS server is what converts domain names (google.com) into IP addresses (142.250.80.46) so your browser can connect. Every internet request uses DNS.
Most people use their ISP's DNS servers automatically. But you might be using Google DNS (8.8.8.8), Cloudflare (1.1.1.1), or custom DNS if you changed it.
Check Your DNS Server Now
Use our tool to instantly see which DNS servers your device is using:
Shows your primary and secondary DNS, location, and provider.
Why Check Your DNS Server
Slow browsing but good speed test? Your DNS server might be slow. Switch to Cloudflare (1.1.1.1) or Google (8.8.8.8).
Some sites blocked? ISPs sometimes block sites via DNS. Changing DNS servers bypasses this.
Privacy concerns? Your DNS provider sees every website you visit. Cloudflare and Quad9 don't log queries.
Troubleshooting? Knowing your DNS helps diagnose connection issues.
Manual Methods
Windows:
ipconfig /allLook for "DNS Servers" under your network adapter.
Mac:
scutil --dns | grep 'nameserver'Linux:
cat /etc/resolv.confRouter DNS: Login to router (usually 192.168.1.1), check WAN or DHCP settings for DNS servers.
Common DNS Servers
- 8.8.8.8 / 8.8.4.4 - Google DNS (fast, reliable)
- 1.1.1.1 / 1.0.0.1 - Cloudflare (fastest, privacy-focused)
- 9.9.9.9 - Quad9 (blocks malicious sites)
- Your ISP's DNS - Usually works but often slower
If you see your ISP's DNS and want better performance, consider switching to Cloudflare or Google.
When DNS Matters
- Normal browsing: Automatic DNS works fine. No need to change.
- Problems with specific sites: DNS might be blocking or slow. Try alternate DNS.
- Privacy concerned: Switch from ISP DNS to privacy-focused provider.
- Tech troubleshooting: Knowing DNS helps isolate connection issues.
Bottom Line
Your DNS server handles all domain lookups. Check which one you're using with our tool above.
Most people use ISP DNS by default. Switching to Cloudflare (1.1.1.1) or Google (8.8.8.8) often improves speed and privacy.