No sign‑up · Runs from Europe

Free DNS & server tools

Look up DNS records, check propagation, test SSL certificates and open ports, and see whether your Minecraft server is online. Free, with no sign‑up.

Tools

DNS LookupEvery record type for any nameDNS Propagation CheckerCompare 16 public resolversSSL Certificate CheckerExpiry, chain, host name matchOpen Port CheckerIs your server reachable?Reverse DNS LookupPTR record for an IPMinecraft Server CheckerStatus, players, SRV record

Record lookups

MX LookupMX recordsTXT LookupTXT recordsCNAME LookupCNAME recordsNS LookupNS recordsCAA LookupCAA recordsAAAA LookupAAAA recordsSRV LookupSRV records

A name for your next idea

Give your website, home server or next project a memorable address: yourname.uk.app. Choose your name and check availability before registering.

Find your name

Built for people who run things

These are the checks we reach for when helping uk.app customers connect Vercel or GitHub Pages, expose a Home Assistant box or get friends onto a Minecraft server. Every result comes live from the public internet, so you see what your visitors see.

Partners