I believe you are referring to the book of John in the bible
the book of john cautions against syncretism of christian religion and the holding of doctrines that are heretical.
syncretism is the mixing of various views into a culture or religion, that was spreading quickly in the early church.
Answer:
DNS (or Domain Name Servers) DNS is like a phone book for the Internet.
Domain name. A domain name is the address that you type into a web browser address bar to get to a website.
Domain Extension.
Domain registrant.
Domain registrar.
Domain registry.
Registrar-Lock.
Domain forwarding.
Explanation:
All of the above Letter D.
B? what is the topic about? it could be any one of those