RUSSELL INTELLIGENCE

First-party verification intelligence.

Anonymous statistics learned only from verifications performed by this installation. Evidence quality never replaces conclusive mailbox evidence.

Verifications6301
SMTP success21.2%
Unknown29.7%
Catch-all33.6%
Disposable0.0%
Role addresses0.1%
Average verification2652.0 ms
Average SMTP2242.1 ms

Top mail providers

ProviderDomainsChecksTimeouts
Microsoft 365102921922
Google Workspace75417640
Custom SMTP592167061
Unknown853270
Proofpoint751740
Mimecast25800
Zoho19410
Barracuda20360
Cisco5110
Fastmail460

Most verified domains

DomainProviderChecksConfidence
gmail.comGoogle Workspace12499.5%
fanatics.comMicrosoft 36510410.6%
sd49.bc.caMicrosoft 3652846.0%
hotmail.comMicrosoft 3652699.6%
yahoo.comCustom SMTP2277.0%
unitek-industrie-elektronik.deCustom SMTP2145.4%
formedica.comMicrosoft 3652146.0%
enpublishingrpg.comCustom SMTP2163.7%
bretz-hufer.deCustom SMTP2164.0%
mecotec.netMicrosoft 3651649.4%

Historical growth

DateNew anonymous histories
Oct. 8, 20261768
Oct. 9, 2026163
Oct. 10, 20265
Oct. 11, 2026103
Oct. 12, 2026600
Oct. 13, 2026237
Oct. 14, 202619
Oct. 15, 20261869
Oct. 16, 202624
Oct. 17, 202664
Oct. 18, 2026253
Oct. 19, 202629
Oct. 20, 20263
Oct. 22, 20268
Oct. 23, 202666
Oct. 26, 2026101
Oct. 29, 20261
Oct. 30, 20261
Nov. 3, 2026132
Nov. 7, 202638
Nov. 8, 202619
Nov. 9, 2026106
Nov. 11, 20264
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