Please see the answer below given about the same topic in the past. In short it is very likely that this is a Non-HTTP service and that the relevant TLS_RSA_WITH_3DES_EDE_CBC_SHA can be found in the output of the SSL/TLS: Report Medium Cipher Suites (OID: 1.3.6.1.4.1.25623.1.0.902816) result.