Quick summary
- Term
- IPv4
- Plain-English definition
- IPv4 is the older and still widely used IP address format, such as `192.0.2.1`.
- Technical definition
- IPv4 is the older and still widely used IP address format, such as `192.0.2.1`.
- Commonly confused with
- Related domain, DNS, registrar, API, or agent-infrastructure terms.
- Related terms
- A Record, IP Address, IPv6
Definition
IPv4 is the older and still widely used IP address format, such as `192.0.2.1`.
Why it matters
A records use IPv4 addresses to connect hostnames to services.