Check any DNS record for any domain instantly. A, AAAA, CNAME, MX, TXT, NS - no account, no installation.
Query A, AAAA, CNAME, MX, TXT, and NS records from a single interface. No need to switch tools.
Queries run server-side. Results appear in under a second with clean formatting.
Check mail exchanger priorities and read SPF, DKIM, DMARC, and domain verification TXT records.
Completely free to use with no sign-up. Just enter a domain and get results.
Results are formatted for readability. MX records show priority and exchange host clearly separated.
Useful for debugging email delivery, verifying propagation, or checking records before going live.
Type or paste any domain - e.g. example.com. You can include or omit www. The tool strips the protocol if you paste a full URL.
Select the type of DNS record you want to query. A is the most common (IPv4 address). MX for email, TXT for SPF/DMARC, NS for name servers.
Results appear immediately below. If a domain has no records of the selected type, you'll see an empty result rather than an error.
ToolBit supports A (IPv4 address), AAAA (IPv6), CNAME (canonical name alias), MX (mail exchanger), TXT (text records), and NS (name server) records.
No. The DNS Lookup tool is completely free and requires no account or sign-in. Just enter a domain and hit Look Up.
TXT records are most commonly used for email authentication. SPF specifies which servers may send email for a domain, DKIM provides a public key for signature verification, and DMARC defines how receivers should handle failed authentication. Domain ownership verification tokens (Google Search Console, etc.) are also stored as TXT records.
An MX (Mail Exchanger) record tells email senders which server handles inbound email for a domain. Each MX record includes a priority number - lower numbers have higher priority - and the mail server hostname.
Different DNS resolvers can return different results if a change is still propagating globally, or if cached TTL values haven't expired yet. ToolBit queries using the server's system resolver.
QR codes, URL shortener, uptime monitoring, cron jobs, RSS email digest, API proxy and more.
Explore All Tools →