A stable name for a tool that runs on hardware you own
uk.app sells names of the form yourname.uk.app, priced at £4.99 a year for a standard name, for a website, a home server or a side project. Every name ships with managed DNS, dynamic DNS and REST API access, which is the combination that matters when the thing behind the name is a tool you run yourself rather than a hosted service.
A tool running on your own machine has an address that can change without warning, whenever your router resets. uk.app is built around that case specifically: a name, a home server, a dynamic IP behind it, and a way to automate the whole setup through an API instead of a dashboard.
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What you actually get for £4.99 a year
A standard name in the form yourname.uk.app, renewing automatically each year, with managed DNS and dynamic DNS included rather than sold as add-ons. Premium names are priced separately. Availability and price are both checked live on the site, with a WHOIS lookup built in if you want to check who holds a name already.
Why the REST API is the useful part here
For a tool you run yourself, wiring DNS updates into a deployment script beats logging into a dashboard every time something changes. uk.app's REST API access lets a script update the record automatically, which fits a self-hosted setup that already runs on scripts and scheduled jobs rather than manual steps.
Dynamic DNS solves a specific problem
A machine on a home connection rarely has a fixed public IP, and it can change whenever the router reconnects. Dynamic DNS keeps the name pointed at the current address automatically, so a script or a device calling your tool by name keeps working through an IP change instead of failing until someone notices and fixes it by hand.
Setting up the first name
Check the name on the site, since price and availability are both live rather than cached, then point the DNS record at your tool's address, home server or otherwise. From there, dynamic DNS keeps that pointer current, and the API is there once you want the update automated rather than manual.
The distinction worth keeping straight
uk.app sells names in its own namespace, not country-code UK web addresses, and a name here carries no UK-registry status. It also does not promise instant DNS propagation, a changed record still takes the usual time to spread, which matters if you are testing right after an update and see the old address briefly.
Checking before you commit to one
Because availability and price are checked live rather than shown from a cached list, the name you see is either open now or it is not, with no separate confirmation step to find out later. Search a few variants before deciding, since a short, memorable name for a tool is worth the extra minute of comparing options.