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Email Validator by LeadStal
A straightforward email validation tool that checks the validity of single or multiple email addresses in seconds
last checked Jul 13, 2026 · Timeout
CohortClass of 2026What it is
A straightforward email validation tool that checks the validity of single or multiple email addresses in seconds. Designed for marketers and sales teams who need to clean contact lists and ensure deliverability without technical complexity.
HTTP liveness
9 probes since Jun 16Jun 16Jul 13
AliveHard-dead (404/5xx/parked)RedirectedUnverified (timeout/DNS/block)
Observed events
probes · press · GitHub- Jul 13, 2026Probe inconclusiveTimeout
- Jun 16, 2026First probe — liveAlive · 200 OK
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Pulse Indexobserved activity
102/4 signal families
Liveness40%0.20
Press30%no data
GitHub20%no data
Tranco10%0.19
Weighted observed activity · updated Jul 15
Cohort survival · Class of 2026weekly
550 products launched in 2026 · 100% still active
550 active0 sunset
Still active
100%
Median lifespan
4.9y