Quick summary
- Term
- Hostname
- Plain-English definition
- A hostname is the specific name of a device or service within a domain, such as `www.example.com`.
- Technical definition
- A hostname is the specific name of a device or service within a domain, such as `www.example.com`.
- Commonly confused with
- service within a domain
Definition
A hostname is the specific name of a device or service within a domain, such as `www.example.com`.
Why it matters
Hostnames are used in DNS records, certificates, email, and application routing.