dnsjava 2.1.8 includes the following changes:

1/3/2017:
	- 2.1.8 released

8/13/2016:
	- Add a Message constructor taking a ByteBuffer, and convert the
	  DNSInput class to use a ByteBuffer internally.
	  (patch from Marrache Mickael <mickoo95@users.sf.net>)
	- Add support for the OPENPGPKEY record.
	  (patch from Valentin Hauner <vh@hnr.name>)
	- Add support for the SMIMEA record.

11/25/2015:
	- Add support for the CAA record.

8/21/2015:
	- Convert the TSIG code from using a custom HMAC implementation to
	  the one in javax.crypto.Mac.
	  (patch from Nick Sayer <nsayer@silverspringnet.com>)

4/21/2015:
	- Update the URI record implementation to match the latest spec.
	  (patch from Anthony Kirby <anthonykirby@users.sf.net>)