server2examplecom

server2examplecom is a fictional host name commonly used in networking tutorials, configuration examples, and documentation to represent a server in demonstration environments. It is not intended to point to a live service; in practice, it is mapped within a lab network or in sample code to avoid affecting real domains. The name combines a numeric prefix suggesting a second server with a concatenated version of example.com, signaling a teaching scenario.

In instructional materials, server2examplecom is used to illustrate DNS resolution, web server configuration, load balancing, monitoring, and deployment pipelines. It frequently appears in practice exercises showing how to configure an HTTP server, set up TLS certificates, or test failover without touching production infrastructure. It may be implemented in local hosts files, private DNS zones, or containerized lab environments.

Technical considerations include its DNS viability and naming conventions. As written, server2examplecom may be a single-label hostname, which is valid within isolated DNS zones but uncommon on the public Internet where dots denote hierarchical domains. In labs, it is commonly resolved to a non-routable or documentation IP such as 192.0.2.1 or ::1, enabling safe testing of network services without external reach.

See also: example.com, DNS, HTTP, TLS, documentation IP range RFC 5737, RFC 6761.