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DNS Lookup

Lookup DNS records (A, AAAA, MX, TXT, NS, CNAME, SOA) for any domain.

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About this tool: DNS Lookup

Lookup DNS records (A, AAAA, MX, TXT, NS, CNAME, SOA) for any domain.

The Domain Name System (DNS) operates as the internet's global phonebook, translating human-friendly domain names (like toolping.nl) into machine-readable IP addresses. This tool queries authoritative nameservers to inspect active DNS records and diagnose configuration errors.

Belangrijkste Toepassingen & Voordelen

  • Verify A (IPv4) and AAAA (IPv6) records following web migrations.
  • Inspect MX records and SPF/DKIM TXT records to ensure email deliverability.
  • Audit CNAME aliases and NS nameserver delegations.
  • Check SOA (Start of Authority) parameters including TTL and refresh timers.
Handige Tip & Best Practice: When planning server migrations, reduce the TTL (Time to Live) to 300 seconds a day in advance so DNS changes propagate globally within minutes.

This online diagnostic utility is powered by ToolPing to provide fast, reliable, and secure network analytics for sysadmins and developers.

Frequently Asked Questions (FAQ)

How do I look up DNS records for a domain?

Type the domain name (e.g. github.com) into the input box, select the record type (A, AAAA, MX, TXT, NS, CNAME, or SOA), and click "Lookup".

What do the different DNS record types mean?

A records map to IPv4 addresses; AAAA records map to IPv6; MX specifies mail servers; TXT is used for SPF/DKIM verification; and NS identifies authoritative nameservers.

How long does DNS propagation take?

DNS propagation depends on the TTL (Time to Live) setting of each record. Most updates propagate globally within 10 minutes to 24 hours.