Domain Name	Found on	Still exists
ftp.cf.47cf2c8c9-frontier.amazon.com	Subdomain Center
help.cf.47cf2c8c9-frontier.amazon.com	Subdomain Center
remote.cf.47cf2c8c9-frontier.amazon.com	Subdomain Center
store.cf.47cf2c8c9-frontier.amazon.com	Subdomain Center
support.cf.47cf2c8c9-frontier.amazon.com	Subdomain Center

Found 5 subdomains.

Results forcf.47cf2c8c9-frontier.amazon.com