An FQDN is the full domain nameA human-readable name for an internet service, such as a website address. More written from the specific host name up to the top-level domainA human-readable name for an internet service, such as a website address. More. In practice, it is the exact address of a specific service or subdomainA part of a domain placed before the main name, such as blog.example.com. More. In logs and security analysis, the exact FQDN matters because similar domainsA human-readable name for an internet service, such as a website address. More can point to completely different targets.
