middle.network
Health check

DNS lookup tools: A, MX, TXT, CNAME and more

DNS is the internet’s address book. These tools show what a domain’s records say right now and what each one does.

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tools
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live now
6 tools
No tool matches. Try “dns”, “mail” or “ping”, or see every tool.

Look up records

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DNS lookup (all records) Every common DNS record for a domain, explained. Live lookup
Single record lookup Look up one record type, with response code and timing. Live lookup
Reverse DNS (PTR) Find the hostname behind an IP address (PTR). Live lookup
Subdomain finder Find live subdomains from certificate logs and common names. Live lookup

Zone files

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Zone pre-check (new nameservers) Check new nameservers have your records before you switch. Live lookup
Zone file formatter Lint and tidy a BIND zone file. Instant

Common questions

Look up any DNS record, find subdomains, check reverse DNS and lint zone files. Results explained in plain English.

An entry that tells the internet where to find something for a domain: the website (A, AAAA, CNAME), the mail servers (MX), or proof and policies (TXT).

A public recursive resolver from our server, the same kind of answer most people on the internet get.