Updating zone files on primary dns
DNS (Domain name system) may not be known to most people who use the Internet but it is the real invisible force driving the Internet without which everyone would be seeing numbers and IPs. Use the DOT in the end, whenever you specify a domain name in the DNS zone file.The whole meaning of domain names exists today just because of DNS. This DOT is so important and if you forget this you will have nightmares with your dns configuration. simply because it tells to start query from root servers (denoted by dot) 5.If they don’t have info about such requested query they will pass the request to the Top Level domain (TLD), if TLD say I don’t know the request, may be the authoritative server know your request, it will forward to authoritative servers, here only defined as address .56.
In addition, this manual and other DNS documentation use generic names that identify a file's main purpose, and specific example names for that file in code samples. This configuration file adds security, startup options, logging.
Domain Name Server (DNS) used for name resolving to any hosts.
Master DNS servers (Primary Server) are the original zone data handlers and Slave DNS server (Secondary Server) are just a backup servers which is used to copy the same zone information’s from the master servers.
This guide introduces basic DNS concepts and the different types of DNS records.
Before adding any DNS records, you should learn the basics of DNS.