5 free lookups. No credit card required.
The most common Keystone Click email format is [first].[last] (ex. jane.doe@keystoneclick.com), which is being used by 96.1% of Keystone Click work email addresses. Other common Keystone Click email patterns are [first_initial][last] (ex. jdoe@keystoneclick.com). In all, Keystone Click uses 2 work email formats.
| Email Format | Example | Percentage |
|---|---|---|
| [first].[last] | jane.doe@keystoneclick.com |
96.1%
|
| [first_initial][last] | jdoe@keystoneclick.com |
3.9%
|