Table of Contents

DNS Lookup Tool

This DNS Lookup Tool allows you to query Domain Name System (DNS) records directly from your browser without needing command-line tools like dig or nslookup.

  • Resolves DNS Records: Fetches common DNS record types, including A, AAAA, CNAME, MX, TXT, NS, SOA, and PTR.

  • Uses DNS-over-HTTPS (DoH): Directs queries through secure DoH APIs provided by Cloudflare (1.1.1.1) or Google (8.8.8.8).

  • Inspects Raw Responses: Displays the full structured JSON response from the DNS provider, showing metrics like TTL (Time-To-Live) and status codes (RCODEs).

DNS Query Response
DNS results will appear here...
Ready



DNS Record Types Explained

A, AAAA, CNAME, MX, TXT, NS, SOA, and PTR are fundamental DNS (Domain Name System) record types. They act as instructions stored on DNS servers to map human-readable domain names (like example.com) to IP addresses and other services.

  • A (Address): Maps a domain name to an IPv4 address (e.g., 192.0.2.1). Used to route web traffic to a server.
  • AAAA (IPv6 Address): Maps a domain name to an IPv6 address (e.g., 2001:db8::1). Works identically to an A record but for the newer, longer IP format.
  • CNAME (Canonical Name): Creates an alias pointing one domain name to another domain name (e.g., pointing [www.example.com](https://www.example.com) to example.com), rather than directly to an IP address.
  • MX (Mail Exchange): Specifies the mail servers responsible for receiving emails sent to your domain, along with priority values to determine primary and backup servers.
  • TXT (Text): Stores human- or machine-readable text notes. Commonly used for domain ownership verification, security protocols (SPF, DKIM, DMARC), and preventing email spoofing.
  • NS (Name Server): Identifies the authoritative DNS servers responsible for handling and answering DNS queries for your domain.
  • SOA (Start of Authority): Contains administrative metadata about the DNS zone, including the primary name server, domain administrator email, serial number (for updates), and refresh intervals.
  • PTR (Pointer): Performs a reverse DNS lookup, mapping an IP address back to a domain name. Most commonly used by mail servers to verify that an incoming connection comes from a legitimate host.
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