Tool Spotlight
DNS Lookup Tool - Query DNS Records Online (A, AAAA, MX, TXT, CNAME)
Query comprehensive DNS records including A, AAAA, MX, NS, SOA, TXT, CNAME, CAA, and more. Perfect for debugging domain configurations and DNS troubleshooting. Verify domain ownership with WHOIS Lookup or check SSL certificates for complete domain analysis.
Key Features
- Query all DNS record types
- A, AAAA, MX, NS, SOA support
- TXT, CNAME, CAA records
- DNS propagation check
- Detailed record information
Use Cases
- DNS troubleshooting
- Email configuration verification
- Domain migration verification
- SPF/DKIM record check
Validate email addresses in bulk with advanced deliverability checks. Our tool verifies syntax, MX records, SMTP validity, and identifies disposable or role-based accounts. Free for up to 5 emails per validation. After validating your email lists, ensure optimal deliverability by configuring SPF records and DMARC policies. Monitor your sender reputation with our Blacklist Checker and optimize your campaigns with our Email Warmup Schedule Generator.
DNS Lookup
Query comprehensive DNS records including A, AAAA, MX, NS, SOA, TXT, CNAME, CAA, SRV, PTR, and more. Perfect for debugging domain configurations.
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Start 14-day TrialAbout DNS Lookup Tool
This tool is publicly accessible and designed for debugging domain DNS configurations. It queries multiple record types including A (IPv4), AAAA (IPv6), MX (Mail), NS (Nameservers), SOA (Authority), TXT (Text), CNAME (Alias), CAA (Certificate Authority), SRV (Service), PTR (Reverse DNS), DNSKEY, and NAPTR records. Results are cached for 5 seconds with 3 retry attempts for reliability.
Related DNS & Domain Tools
VPS Performance & Analysis Platform
Frequently Asked Questions
What are the most common DNS record types?
The most common DNS records are A (IPv4 address), AAAA (IPv6 address), MX (mail servers), CNAME (domain aliases), TXT (text information), and NS (nameservers). Each serves a specific purpose in domain configuration. For complete domain analysis, combine DNS lookup with WHOIS Lookup to verify ownership and SSL Certificate Checker to ensure secure connections.
How long does DNS propagation take?
DNS changes typically propagate within 24-48 hours, though many updates appear within minutes. Propagation time depends on TTL (Time To Live) values and DNS server caching. During migrations, verify your server's IP using our What is My IP tool and check accessibility with Port Scanner.
Why are my DNS records not updating?
DNS changes may not update immediately due to high TTL values, DNS server caching, or incorrect nameserver configuration. Verify your domain's nameservers are pointing to the correct DNS provider and check TTL settings. If hosting on VPS, ensure DNS is properly configured - explore our VPS benchmarks to find reliable hosting with good DNS infrastructure.
What DNS settings are important for VPS hosting?
Key DNS records for VPS include A records pointing to your server IP, MX records for email, SPF/DKIM/DMARC TXT records for email authentication, and CAA records for SSL certificate security. Proper DNS configuration is crucial for VPS performance. Compare DNS-optimized hosting options in our VPS provider comparisons or use our comparison tool to find the best solution.
