FQDN

What’s Fully Qualified Domain Name

tags: learning networking

content

• a domain name is a human friendly address that will resolves to an IP address
• a Fully Qualified Domain Name is a domain name that contains all hierarchy in the domain name system
  • google.com only contains top level and second level domain names
  • sgnt-tst-nuc05.edgeos.illumina.com. is a FQDN, it contains:
    • .: root (usually excluded, but conceptually it should be there)
    • .com: top level
    • .illumina: second level
    • .edgeos: subdomain
    • sgnt-tst-nuc05: hostname

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