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DNS Lookup Tool

Query DNS Records

Get A, AAAA, MX, TXT, NS, CAA, SRV, DNSKEY and more for any domain. Real-time, powered by Cloudflare.

Address Records

IP addresses the domain points to

A IPv4 address mapping
AAAA IPv6 address mapping

Mail Records

Mail servers for the domain

MX Mail exchange server

Name Records

Nameservers and aliases

NS Authoritative nameserver
CNAME Canonical name alias
SOA Start of authority
PTR Reverse DNS pointer

Text & Verification

SPF, DKIM, DMARC, and verification

TXT Text record (SPF, DKIM, etc.)

Service Discovery

Service endpoints and bindings

SRV Service location
HTTPS HTTPS service binding
SVCB Service binding
NAPTR Naming authority pointer

Security & Certificates

DNSSEC, CA restrictions, and keys

CAA Certificate authority authorization
TLSA DANE TLS authentication
SSHFP SSH fingerprint
DNSKEY DNSSEC public key
DS Delegation signer

REST API

Integrate DNS lookups into your applications — query all record types programmatically.

curl -X GET "https://api.requestguard.com/v1/dns/lookup?domain=example.com" \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Accept: application/json"
Shared monthly lookup allowance Authentication: API Key Explore Lookups & API →