ITTools

DNS Lookup

Query DNS records for any domain safely and securely.

Type Name TTL Data
Enter a domain and click Lookup to see DNS records.

Secure DNS Architecture

This tool utilizes DNS-over-HTTPS (DoH) via Google Public DNS to query records directly from your browser. This architectural decision ensures:

  • No SSRF / Command Injection: By avoiding server-side PHP exec() commands, the tool eliminates standard network vulnerabilities.
  • Privacy & Security: Queries are encrypted over HTTPS.
  • Speed: Skips unnecessary backend round-trips.

Common DNS Record Types

  • A / AAAA: Maps a domain to an IPv4 (A) or IPv6 (AAAA) address.
  • CNAME: Aliases one domain name to another.
  • MX: Directs email to a mail server.
  • TXT: Holds text information, commonly used for SPF/DMARC verification.
  • NS: Delegates a DNS zone to use specific Name Servers.

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