Cleanup jobs are failing while connecting to the titan gridftp server.

Unable to connect to gridftp.ccs.ornl.gov:2811
Authentication failed [Caused by: Operation unauthorized (Mechanism level: [JGLOBUS-56] Authorization failed. Expected "/CN=host/dtn18.ccs.ornl.gov&quot ; target but received "/DC=org/DC=opensciencegrid/O=Open Science Grid/OU=Services/CN=dtn.ccs.ornl.gov")]
Operation unauthorized (Mechanism level: [JGLOBUS-56] Authorization failed.
Expected "/CN=host/dtn18.ccs.ornl.gov" target but received "/DC=org/DC=opensciencegrid/O=Open Science Grid/OU=Services/CN=dtn.ccs.ornl.gov")