GET /sitemap.xml

host: echo.casterlabs.co
connection: keep-alive
x-forwarded-for: 10.10.169.193
cache-control: max-age=259200
accept-encoding: gzip, br, zstd, deflate
accept: */*
user-agent: Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)
via: 1.1 squid-proxy-5b96dc6d46-7tpqc (squid/6.13)