OK, I'm guessing the culprit is within the DISboards header code and scripting, which seems to contain a click-through revenue generation process. From this page's source code:
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<script type="text/javascript">
var vglnk = { key: 'debb21522a2ba14b8d7bcbd1910c5bdb' };
(function(d, t) {
var s = d.createElement(t); s.type = 'text/javascript'; s.async = true;
s.src = '//cdn.viglink.com/api/vglnk.js';
var r = d.getElementsByTagName(t)[0]; r.parentNode.insertBefore(s, r);
}(document, 'script'));
</script><body class="node43 node42 SelectQuotable">
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<script type="text/javascript">varvglnk={key:'debb21522a2ba14b8d7bcbd1910c5bdb'};(function(d,t){vars=d.createElement(t);s.type='text/javascript';s.async=true;s.src='//cdn.viglink.com/api/vglnk.js';varr=d.getElementsByTagName(t)[0];r.parentNode.insertBefore(s,r);}(document,'script'));</script>
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The faulty redirect is happening in Chrome, Internet Explorer, Edge and Safari, but so far not Firefox.
Andre