Constant NET__HOST__NAME 

pub const NET__HOST__NAME: &str = "net.host.name";

👎Deprecated:

Use SERVER__ADDRESS (server.address) instead.

Server domain name if available without reverse DNS lookup; otherwise, IP address or Unix domain socket name.

• PII: Maybe
• Rewriting behavior: None

Aliases

• SERVER__ADDRESS (server.address)
• HTTP__SERVER_NAME (http.server_name)
• HTTP__HOST (http.host)