DNS
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This is a source of general information about Domain Name System aka DNS.
The DNS server stores different types of resource records used to resolve names, records like:
- A - an end device address
- NS - an authoritative name server
- CNAME - the canonical name (or Fully Qualified Domain Name) for an alias; used when multiple services have the single network address, but each service has its own entry in DNS
- MX - mail exchange record; maps a domain name to a list of mail exchange servers for that domain
The ipconfig /displaydns
command displays all of the cached DNS entries on a Windows computer system.