GET /request HTTP/1.1 Host: ipv6-test.org Accept: */* Accept-Encoding: gzip, br, zstd, deflate Cache-Control: max-age=259200 Connection: close User-Agent: Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com) Via: 1.1 squid-proxy-5b5d847c96-kpqb5 (squid/6.10) X-Forwarded-For: 10.3.93.89