http://www.rfc-editor.org/rfc/rfc8117.txt
RFC 8117: Current Hostname Practice Considered Harmful, C. Huitema, D. Thaler, R. Winter2017-03-01T23:00:00-00:00There are several possible remedies, such as fixing a variety of protocols or avoiding disclosing a hostname at all. This document describes some of the protocols that reveal hostnames today and sketches another possible remedy, which is to replace static hostnames by frequently changing randomized values.