RUSSELL INTELLIGENCE
First-party verification intelligence.
Anonymous statistics learned only from verifications performed by this installation. Evidence quality never replaces conclusive mailbox evidence.
Verifications122
SMTP success20.5%
Unknown68.0%
Catch-all5.7%
Disposable0.0%
Role addresses0.0%
Average verification11508.5 ms
Average SMTP1094.7 ms
Top mail providers
| Provider | Domains | Checks | Timeouts |
|---|
| Microsoft 365 | 11 | 48 | 0 |
| Google Workspace | 20 | 36 | 0 |
| Custom SMTP | 15 | 31 | 0 |
| Unknown | 6 | 6 | 0 |
| Zoho | 1 | 1 | 0 |
Most verified domains
| Domain | Provider | Checks | Confidence |
|---|
| andbarr.co | Microsoft 365 | 23 | 16.5% |
| parshomes.ca | Google Workspace | 10 | 47.5% |
| a2-m.co.uk | Custom SMTP | 7 | 0.0% |
| renosash.co.uk | Microsoft 365 | 6 | 0.0% |
| 1540productions.com | Custom SMTP | 5 | 10.0% |
| qliteglobal.com | Microsoft 365 | 5 | 19.0% |
| doanddare.co | Microsoft 365 | 5 | 0.0% |
| tsupport.co.uk | Custom SMTP | 4 | 0.0% |
| gmail.com | Google Workspace | 4 | 95.0% |
| lostart.ca | Google Workspace | 4 | 0.0% |
Historical growth
| Date | New anonymous histories |
|---|
| Aug. 29, 2026 | 49 |
| Aug. 30, 2026 | 8 |