Email and Username

• NameChck thatsthem

• nameCheckr https://www.namecheckr.com/

• • • Hunter https://hunter.io/

    • Thats them https://thatsthem.com/reverse-email-lookup

    • theHarvester https://github.com/laramies/theHarvester

    • Infoga https://github.com/m4ll0k/infoga

    • Mailshunt https://mailshunt.com/

• Mailtester https://mailtester.com/en/single-email-verification

• Verify-email https://verify-email.org/

• Email rep https://emailrep.io/

• Mailbox Validator https://www.mailboxvalidator.com/demo

• Have i been pwned https://haveibeenpwned.com/

• Dehashed https://dehashed.com/

• Intelligence X https://intelx.io/

https://mxtoolbox.com/EmailHeaders.aspx

https://mxtoolbox.com/

https://mxtoolbox.com/spf.aspx