Internet infrastructure company Dynamic Network Services Inc., better known as Dyn, has raised $38 million in new funding, led by the Waltham venture capital firm North Bridge Venture Partners.

Dyn (pronounced "dine") is the worldwide Internet Infrastructure as a Service (IaaS) leader, powering Managed DNS and Email Delivery for over four million enterprise clients, small businesses and home users. Simply put, Dyn helps websites run faster and be more reliable, while also ensuring that transactional emails that consumers want and need reach their inboxes. We make the Internet a better place.