Dynamic DNS is a automated method to rapidly update the domain name system mapping of hostnames to IPs. 
Similar Techniques by Tactic
|Adversary Opsec||Dynamic DNS|
Detectable by Common Defenses (Yes/No/Partial): No
Explanation: Defender will not know at first use what is valid or hostile traffic without more context.
Difficulty for the Adversary
Easy for the Adversary (Yes/No): Yes
Explanation: It is relatively easy to subscribe to dynamic DNS providers or find ways to get different IP addresses from a cloud provider.
- FireEye. (2014). SUPPLY CHAIN ANALYSIS: From Quartermaster to SunshopFireEye. Retrieved March 6, 2017.