DNS Zone files Terminology Basic concepts and Fundamentals Explained with Examples

>> YOUR LINK HERE: ___ http://youtube.com/watch?v=BcaUOPtq7UQ

DNS uses zone files to translate resource names into IP addresses and vice versa. Zone files use the most complex configuration. They include many confusing terms. Unless you understand these terms, creating an error-free zone file could be a challenging task for you. This video makes this task easy for you. It explains everything you need to know to create an error-free zone file. It explains the following topics. • What DNS files are? • How to add a comment in the zone file. • What is a line comment in the zone file? • Difference between a full-line comment and an in-line comment • What is the TTL (Time to live) directive • How does DNS use the TTL directive to cache the record • Default time format for the TTL directive • How to format time for the TTL directive • What is the ORIGIN directive • How DNS uses the origin directive to convert a relative name into an (FQDN) name • Differences between a relative name and an FQDN name • What is the meaning of the at symbol in the zone file • What is a Start of Authority record? • The SOA records' fields and their meanings • The meaning of the at symbol in the SOA record • Why does the SOA record use the dot separator in the email address field • How to build the serial number in the SOA record • What are the purposes of the SOA record • How client nameservers use the SOA record • What is the zone transfer • How to SOA record is used in the zone transfer • What is a nameserver record in the DNS zone file? • The NS record's fields and their meanings • Difference between primary and secondary nameserver records • What is a referral nameserver link • How to create a referral nameserver link • How resolver systems access a nameserver • Which nameserver resolve queries • What is a lame delegation • What are the purposes of the NS record • How client nameservers use the NS record • What is a backup name server • What is a mail exchanger record in the DNS zone file? • The MX record's fields and their meanings • Difference between primary and secondary MS records • What is a backup mail server • How to create a backup mail server record in the zone file • What is the mail preference • How to add multiple mail server records in a zone file • What are the purposes of the MS record • How client nameservers use the MS record • What is the forward mapping • What is the reverse mapping • Differences between the forward lookup zone file and reverse lookup zone file • What is the PTR record • Meanings of the PTR record's fields • What is the IN-ADDR domain • What is the IPv6 domain • What is the APRA domain • How to create a reverse lookup zone file from the forward lookup zone file • The easiest way to create a reverse lookup zone file • This video is based on the following tutorials. • https://www.computernetworkingnotes.c... • https://www.computernetworkingnotes.c... • https://www.computernetworkingnotes.c... • https://www.computernetworkingnotes.c... • https://www.computernetworkingnotes.c... • https://www.computernetworkingnotes.c... • https://www.computernetworkingnotes.c...

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