ZeroBounce is an email validation, deliverability, and email finding platform helping more than 350,000 customers reduce bounces and land their emails in the inbox.

Through its 99% accurate email validation service, ZeroBounce helps email senders ensure the data they use is up-to-date, so they can reach their customers and prospects successfully – in the inbox. To further help senders arrive in the inbox, ZeroBounce also offers a mail server tester, an inbox placement tester, and a blacklist monitor. Companies can also use ZeroBounce's email authentication tools to comply with the industry's sending rules and ZeroBounce's email finder to connect with business professionals around the world. 

ZeroBounce operates a military-grade security infrastructure. It is GDPR and SOC 2 Type 2 compliant, and ensures the highest levels of data protection.

https://www.zerobounce.net/docs/about-zerobounce#leader_in_email_validations

https://www.zerobounce.net/docs/about-zerobounce#data_protection