aae4c61160
While at it added a trivial updater. Changes: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=adns.git;a=blob;f=changelog;h=b48004eab7fa54363f93de218f4217a880ba1aec;hb=961a6b281cd7871701519adc001959b7995730b0