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Core Network Services: DNS & DHCP

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DNS in a Windows Environment

DNS (Domain Name System) translates human-readable names (server1.corp.contoso.com) into IP addresses (192.168.1.50). Active Directory cannot function without DNS. Domain Controllers use specific DNS records (SRV records) to advertise their services so clients can find them.

  • Forward Lookup Zone: Maps names to IPs (A Records).
  • Reverse Lookup Zone: Maps IPs to names (PTR Records).