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callsign.com

Checking callsign.com…

Asking our locations to reach the site. This takes a few seconds.

Uptime, 24 hours
100 %
Uptime, 7 days
100 %
Uptime, 30 days
100 %

Based on 1 day of checks so far. Checks that failed because of how we test, not because of the site, are left out.

Response time per hour, last 24 hours

2026-10-10 03:00 UTC: 24 ms2026-10-10 04:00 UTC: 466 ms2026-10-10 05:00 UTC: 159 ms2026-10-10 06:00 UTC: 281 ms2026-10-10 07:00 UTC: 149 ms2026-10-10 08:00 UTC: 23 ms2026-10-10 09:00 UTC: 293 ms2026-10-10 10:00 UTC: 141 ms2026-10-10 11:00 UTC: 299 ms2026-10-10 12:00 UTC: 187 ms2026-10-10 13:00 UTC: 188 ms2026-10-10 14:00 UTC: 195 ms2026-10-10 15:00 UTC: 294 ms2026-10-10 16:00 UTC: 182 ms2026-10-10 17:00 UTC: 256 ms2026-10-10 18:00 UTC: 421 ms2026-10-10 19:00 UTC: 230 ms
Green: response time, full height at 450 ms or more. Red: down. Amber: not confirmed.

Response time by location, last 24 hours

LocationAverage responseReached
Berlin 1, Germany154 ms3 of 3 checks
Falkenstein, Germany279 ms5 of 5 checks
Berlin 2, Germany168 ms9 of 9 checks

Each check runs from all locations at once. A location far from the site’s servers answers later; that says nothing about the site being slow.

Outage history

No confirmed outage on record. An outage is listed once Callsign could not be reached from at least two locations in two checks in a row.

Recent checks

TimeStatusLocationsResponse
2026-10-10 19:01 UTCUp1 of 127 ms
2026-10-10 18:19 UTCUp1 of 1441 ms
2026-10-10 17:15 UTCUp1 of 130 ms
2026-10-10 16:08 UTCUp1 of 124 ms
2026-10-10 15:03 UTCUp1 of 145 ms
2026-10-10 14:20 UTCUp1 of 123 ms
2026-10-10 13:15 UTCUp1 of 1515 ms
2026-10-10 12:12 UTCUp1 of 129 ms

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About Callsign

Fraud Prevention, Authentication and Intelligence - Callsign

Marking a new era in passive authentication, fraud prevention and intelligence. We make digital identity simple and more secure.

Visit callsign.comTitle and description as published by the site.

We can reach it, but you cannot?
  • Reload the page without the cache: Ctrl + F5 on Windows, Cmd + Shift + R on a Mac.
  • Open the site in a private window. If it works there, clear the cookies and cache for callsign.com.
  • Try another network, such as mobile data. If that works, the problem is with your provider or router.
  • Switch to a public DNS resolver such as 1.1.1.1 or 8.8.8.8, then flush your DNS cache.
  • Turn off VPNs, proxies and ad blockers for a moment. Some sites refuse those connections.
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Status of callsign.com