changed default TTL for domain to 30 minutes - don't usually need to get new services up quicker than that
changed default TTL for domain to 30 minutes - don't usually need to get new services up quicker than that

git-svn-id: cedaea21d87b8e7ca64e45ff9f22dc59bd4b9fcf@4746 25043fe6-1616-0410-a82d-ba8f324cfe61

davidfraser/upbind,davidfraser/upbind