DNS Lookup
Look up DNS records for any domain name — including A, AAAA, MX, NS, CNAME, TXT, and other record types — to diagnose email delivery issues, verify domain configuration, check nameservers, and debug DNS propagation. DNS (Domain Name System) records control how a domain is resolved: A records point to IP addresses, MX records route email, NS records define nameservers, and TXT records store verification and SPF data. Our DNS lookup tool queries records in real time, making it invaluable for web developers, system administrators, and IT professionals.
DNS Lookup
Query DNS records for any domain. Uses Google's public DNS API.
'How to Use DNS Lookup
- 1Enter the domain name you want to look up (e.g., example.com)
- 2Select the DNS record type to query (A, MX, TXT, NS, CNAME, etc.)
- 3Click "Lookup" to query the domain's DNS records
- 4Review the returned records including values and TTL (time to live)
About DNS Lookup
Look up DNS records for any domain name — including A, AAAA, MX, NS, CNAME, TXT, and other record types — to diagnose email delivery issues, verify domain configuration, check nameservers, and debug DNS propagation. DNS (Domain Name System) records control how a domain is resolved: A records point to IP addresses, MX records route email, NS records define nameservers, and TXT records store verification and SPF data. Our DNS lookup tool queries records in real time, making it invaluable for web developers, system administrators, and IT professionals.
Your Privacy is Protected
DNS Lookup runs entirely in your browser. Your files and data are never uploaded to any server, never stored, and never shared. Everything happens locally on your device using secure browser APIs.
Frequently Asked Questions
What DNS record types are supported?
A (IPv4 address), AAAA (IPv6 address), MX (mail exchange), NS (nameserver), CNAME (canonical name/alias), TXT (text records including SPF, DKIM, verification), CAA (certificate authority), and SOA (start of authority).
What is an A record used for?
An A record maps a domain name to an IPv4 address. It is the most fundamental DNS record — when someone visits your website, their browser looks up the A record to find which server IP to connect to.
How do I use DNS lookup to fix email delivery issues?
Check the MX records for your domain to see which mail servers handle incoming email. Then check TXT records for your SPF and DKIM records which prove your emails are legitimate and prevent them being marked as spam.
Why do DNS changes take time to propagate?
Each DNS record has a TTL (Time To Live) value in seconds that tells DNS servers how long to cache the record before rechecking. Changes can take anywhere from minutes to 48 hours to propagate worldwide depending on the TTL.
Why Use This Tool?
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