grtp.co is vulnerable to http-vuln-cve2011-3192

vulnerability i have found! | http-vuln-cve2011-3192: | VULNERABLE: | Apache byterange filter DoS | State: VULNERABLE | IDs: CVE:CVE-2011-3192 OSVDB:74721 | The Apache web server is vulnerable to a denial of service attack when numerous | overlapping byte ranges are requested. | Disclosure date: 2011-08-19 About Vulnerability The byterange filter in the Apache HTTP Server 2.0.x through 2.0.64, and 2.2.x through 2.2.19 allows remote attackers to cause a denial of service (memory and CPU consumption) via a Range header that expresses multiple overlapping ranges, exploit called "Apache Killer" i have tested it using nmap and metasploit and is 100% vulnerable when i found it i tested it in metasploit i used auxiliary/dos/http/apache_range_dos