The latest version of PHPDNS version 1.05 is now available for download.
This release version wraps up changes from versions 1.04 and 1.05; mainly a fsockopen timeout bug and a typo.
1.05 has been available on the PHPDNS SCM on github for a while and with no errors reported is now available as the general download.
For anyone interested the bleeding edge releases (and source code in an easily-forkable form) is found at: https://github.com/purplepixie/phpdns
PHPDNS Main site and downloads: http://www.purplepixie.org/phpdns/