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DOMAIN NAME SYSTEM (DNS) IN WINDOWS SERVER ENVIRONMENT - Coggle Diagram
DOMAIN NAME SYSTEM (DNS) IN WINDOWS SERVER ENVIRONMENT
1.1.1 Domain Name System (DNS)
DNS translates domain names to IP addresses so browsers can load Internet resources.
The Structure of DNS
Root
Top Level Domain Name (TLD)
Second Level Domain Name (SLD)
Subdomains
1.1.2 DNS lookup process and DNS server roles
DNS lookup
a DNS record is returned from a DNS server.
Recursive Queries
one DNS server communicates with several other DNS servers to hunt down an IP address and return it to the client.
Iterative Queries
the client communicates directly with each DNS server
DNS server roles
Authoritative server
Forwarder
Conditional forwarder
Caching-only server
1.1.3 installing DNS
Installing application
Server Manager
PowerShell
1.1.4 DNS zone
Primary Zones
contain all relevant resource records
Advantages
Reduced Administrative Overhead
Primary Zones
Primary zone with Active Directory Integration (Active Directory DNS)
Secondary Zones
contain zone file copies
Advantages
provide for fault tolerance.
Stub Zones
contains only those resource records necessary
Advantages
increases the more external domains your DNS servers must resolve other than through internet DNS servers