On Skeptics Stack Exchange, I tried posting a link to http://www.abc.net.au/news/2014-12-12/raw-milk-mountain-view-farm-asked-to-recall-products/5963614 in a comment
And got an error message and referred to Why are certain example URLs like http://site.com/ and http://mysite.com/ blocked from post content?
Do what you want with abc.com, but leave abc.net.au alone!