Take the online course on 'Beginner's Guide to DNS': http://learn.icann.org/courses/the-beginner-s-guide-to-dns. Check out other resources listed on this page to learn more about this topic.
Take the online course on 'Beginner's Guide to DNS': http://learn.icann.org/courses/the-beginner-s-guide-to-dns. Check out other resources listed on this page to learn more about this topic.