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Feature checklists make every tool look equivalent. This table leads with the three things that actually differ — what it costs you before it works, whether your files leave your device, and where the free version stops.
| Down for Everyone or Just Medownforeveryoneorjustme.com | UptimeRobotuptimerobot.com | ICANN Lookuplookup.icann.org | IPinfoipinfo.io | |
|---|---|---|---|---|
| What it does | Settles whether a site is actually down or only down for you | Watches your site around the clock and emails you when it stops answering | The registry's own WHOIS record for a domain, with no upsell | Tells you an IP address's owner, network and approximate location |
| What it costs you | No sign-upWorks the moment the page loads. No account, no email, no trial. | Free tierA genuinely usable free tier with paid plans for volume or team features. | No sign-upWorks the moment the page loads. No account, no email, no trial. | Free tierA genuinely usable free tier with paid plans for volume or team features. |
| Your files | Runs on their server | Runs on their server | Runs on their server | Runs on their server |
| Where it stops | One check from one location — it misses regional outages and says nothing about why a site is down. | Free monitors run on a five-minute interval, so an outage shorter than that can go unrecorded. | Registrant names and emails are redacted for most domains, and some country registries are not covered. | Anonymous lookups are rate-limited, and city-level geolocation is an estimate that is often wrong. |
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| Category | Web, Domain & Network | Web, Domain & Network | Web, Domain & Network | Web, Domain & Network |
| Last checked | 2026-07-29 | 2026-07-29 | 2026-07-29 | 2026-07-29 |
| Open the site | Open | Open | Open | Open |
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