DNS Lookup

Perform DNS lookups for any domain from your browser toolbar. Supports A, AAAA, MX, NS, TXT, CNAME, SOA, and more.

DNS Lookup is a fast, lightweight browser extension that lets you resolve DNS records for any domain instantly — right from your toolbar. No need to open a terminal or visit third-party websites. Features: • Multiple Record Types – Look up A, AAAA, MX, NS, TXT, CNAME, SOA, SRV, CAA, and PTR records in one click • Real-time Results – Uses Google DNS-over-HTTPS and Cloudflare DNS-over-HTTPS for fast, reliable lookups • Smart CNAME Resolution – Automatically follows CNAME chains to show complete resolution paths • Clean Card-based UI – Results are organized by record type with color-coded badges for easy scanning • Copy to Clipboard – Copy individual record values or all results at once with one tap • Export Results – Save DNS data as TXT or JSON files for further analysis • Lookup History – Automatically saves your last 20 lookups with quick re-run and delete options • Favorites – Save frequently checked domains for one-click access • Auto-detect Domain – Automatically populates the domain from your current active tab • Light & Dark Themes – Switch between themes or set your preference in settings • Privacy-first – No tracking, no analytics, no data collection. All lookups go directly to DNS providers. Perfect for developers, system administrators, network engineers, and anyone who needs quick DNS information without leaving their browser. Permissions Explained: • storage – Saves your theme, history, and favorites locally on your device • downloads – Lets you export DNS results as TXT or JSON files • activeTab – Reads the current tab URL to pre-fill the domain input DNS data is fetched directly from dns.google and cloudflare-dns.com. No user data is collected, stored, or transmitted to any third party beyond the DNS query itself.