GET /sitemap.xml HTTP/1.1
Host: echo.c-net.org
accept: */*
user-agent: Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)
accept-encoding: gzip, br, zstd, deflate
Connection: Keep-Alive