DNS Lookup Tool
Perform DNS lookups to resolve domain names and check DNS records
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About This Tool
How It Works
- Enter a domain name to lookup its DNS records
- Select the type of DNS record you want to query
- Uses DNS over HTTPS (DoH) for secure lookups
- Displays all matching DNS records with details
Common Use Cases
- Troubleshoot website connectivity issues
- Verify DNS record configurations
- Check email server settings (MX records)
- Analyze domain DNS setup
Frequently Asked Questions
What is DNS and why do I need to lookup DNS records?
DNS (Domain Name System) translates human-readable domain names into IP addresses. DNS lookups help you troubleshoot website connectivity issues, verify domain configurations, check email server settings, and understand how a domain is configured.
What types of DNS records can I lookup with this tool?
This tool supports all major DNS record types including: A records (IPv4 addresses), AAAA records (IPv6 addresses), CNAME records (domain aliases), MX records (mail servers), TXT records (text data), NS records (name servers), SOA records (start of authority), PTR records (reverse DNS), and SRV records (service records).
How does this online DNS lookup tool work?
Our tool uses DNS over HTTPS (DoH) technology to perform secure DNS queries through your browser. It sends requests to reliable DNS providers like Google DNS to retrieve accurate and up-to-date DNS record information for any domain you specify.
Why might my DNS lookup return no results?
DNS lookups may return no results if: the domain doesn't exist, the specific record type isn't configured for that domain, there are DNS propagation delays after recent changes, or the domain uses DNS privacy settings that restrict certain record types.
What is the difference between A and AAAA records?
A records contain IPv4 addresses (like 192.168.1.1) which are the traditional 32-bit IP addresses. AAAA records contain IPv6 addresses (like 2001:db8::1) which are newer 128-bit addresses designed to replace IPv4 as the internet grows.
How do I interpret MX record results?
MX (Mail Exchange) records show email servers for a domain. Each MX record has a priority number (lower numbers = higher priority) and a hostname. For example, "10 mail.example.com" means mail.example.com handles email with priority 10.
What are TXT records used for?
TXT records contain arbitrary text data and are commonly used for domain verification (like Google Site Verification), SPF records for email authentication, DKIM signatures, domain ownership verification, and various other configuration purposes.
Can I use this tool to troubleshoot email delivery problems?
Yes! Check MX records to verify mail server configuration, look for SPF records in TXT records to check email authentication settings, and verify that the domain has proper DNS resolution. Missing or incorrect MX records often cause email delivery issues.
How often should DNS records be checked?
Check DNS records when troubleshooting connectivity issues, after making domain configuration changes, when setting up new services, or if you suspect DNS problems. For monitoring purposes, checking critical records weekly or monthly is usually sufficient.
Is this DNS lookup tool secure and private?
Yes, our tool uses DNS over HTTPS (DoH) which encrypts DNS queries for security. We don't store your lookup history or domain queries. The DNS lookups are performed in real-time and results are only displayed to you.
What does TTL mean in DNS records?
TTL (Time To Live) indicates how long (in seconds) DNS resolvers should cache this record before checking for updates. Lower TTL values mean more frequent updates but higher DNS query load, while higher TTL values mean less frequent updates but faster response times.
Can I lookup DNS records for any domain on the internet?
You can lookup DNS records for any publicly accessible domain. However, some domains may have restricted WHOIS information or use DNS privacy services that limit the visibility of certain record types. Internal or private domains won't be accessible through public DNS servers.