Abstract


DNS Features


geoDNS

Load Distribution

  1. A set of IP Address is associated with one Domain Name
  2. When Client make dns query to that domain name
  3. Authoritative DNS Server responds the entire set of IP Address with the use of DNS Rotation
  4. Client typically sends its HTTP request message to the IP Address that is listed first in the set. Thus, distributing load among replicated server
  • DNS Rotation is also used on E-mail Server, so multiple of the servers can share the same domain name

DNS Caching

DNS Rotation

Useful CLi Tools

q

  • DNS client with support for UDP, TCP, DoT, DoH, DoQ and ODoH
brew tap natesales/repo https://github.com/natesales/repo
brew install q