404. That’s an error.

The requested URL /_/+1/confirm?hl=de&url=http%3A%2F%2Fwww.deutschlandfunk.de%2Fdoch-vorerst-kein-co2-handel-im-luftverkehr.697.de.html%3Fdram%3Aarticle_id%3D227503&title=Doch%20vorerst%20kein%20CO2-Handel%20im%20Luftverkehr was not found on this server. That’s all we know.