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Is Mozilla down?
Contacting mozilla.org from Dallas, Washington DC, Frankfurt and Singapore…
- Dallas
- Washington DC
- Frankfurt
- Singapore
Checking now
Contacting mozilla.org from Dallas, Washington DC, Frankfurt and Singapore…
It's just you — mozilla.org is up from all 4 regions we tested.
Re-check now · checked 1 time since 26 Oct 2026
| Region | Result | Response | DNS | TLS expires | Server |
|---|---|---|---|---|---|
| Washington DC, US | HTTP 200 | 412 ms | 5 ms | 2027-01-19 (84 d) | granian |
| Dallas, US | HTTP 200 | 919 ms | 85 ms | 2027-01-19 (84 d) | granian |
| Frankfurt, DE | HTTP 200 | 194 ms | 3 ms | 2027-01-19 (84 d) | granian |
| Singapore, SG | HTTP 200 | 1289 ms | 2 ms | 2027-01-19 (84 d) | granian |
Redirects: https://mozilla.org/ (301) → https://www.mozilla.org/ (302) → https://www.mozilla.org/en-US/
Resolves to: 35.190.14.201, 2600:1901:0:c197::, 146.75.39.19, 2a04:4e42:95::787
TLS issuer: Let's Encrypt
Median response across regions for each check of mozilla.org run on this site. Red markers = DOWN.
Not enough checks yet for a chart.
No user reports yet. Anonymous, no account needed.
ipconfig /flushdns, macOS sudo dscacheutil -flushcache.Verdict rule: DOWN when most regions fail, DEGRADED when some fail or the median exceeds 3 s, RESTRICTED when the site answers 401/403/429 to our probes. Share this page: https://isitdownorme.com/mozilla.org