How these numbers are measured

This site exists because domain prices change quietly. Its only real asset is an unbroken record of what each registrar charged on each day, so the method matters more than the presentation.

Where the prices come from

Once a day, each registrar's own public pricing data is read directly from that registrar — a public API where one exists, otherwise the public price page. Nothing is copied from another price-comparison site. All figures are retail, in US dollars, for a one-year term, and include the $0.20 ICANN fee where the source includes it.

Source	Read via	Last successful check
Porkbun	public API	2026-08-21
Spaceship	browser session	2026-08-21
Cloudflare Registrar	public API	2026-08-21
Dynadot	public price page	2026-08-21

What counts as a change

A price difference of more than half a cent from the previous reading is a change. Before it is published, it passes three checks:

• Coverage. If a day's data covers less than 80% of what that registrar listed before, the whole snapshot is rejected. A half-delivered catalogue would otherwise look like hundreds of price drops.
• Size. A move larger than ±60% is held back until a second day shows the same price. Very large jumps are usually a parsing fault, not a real decision.
• Flapping. If a price returns to a value it held within the last three days, it is marked as a reversal rather than published as two separate stories.

Held and reversed readings are kept in the database but never appear on the site, in the feed, or in the alerts.

Scheduled rises

ICANN's Base Registry Agreement (§2.10) requires a registry to give registrars at least 180 days' notice before raising a renewal price, and 30 days before raising a registration price. Those notices are sent to registrars, not published, and ICANN keeps no central register of them. Some registrars republish the notices they receive; where they do, the dates are collected here. A listed date is what has been announced, not a forecast.

Registry wholesale and markup

Cloudflare Registrar resells at cost, adding only the ICANN fee. Its price minus $0.20 is therefore a close proxy for the registry's wholesale price, and the difference between that and any other registrar's price is shown as markup. It is an estimate derived from a public price, not a figure published by any registry.

Corrections and reuse

The data is available as JSON per TLD and is free to reuse with attribution (CC BY 4.0). If a figure here is wrong, write to admin@digitaldomains.market and it will be corrected. This site is independent and not affiliated with any registrar or registry.