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Thank you for your reply! I knew it i just thought that it had such a strong pr (6) that it is a huge loss even if Google decreasing the focus from it. I also saw the authority metrics growing on the new domain which means that the new domain got some of its authority from the old. Perhaps we should wait another pr refresh. I tried to convince them to redirect the subpages to relewant new subpages but they wanted the hole previous version and the old domain to disappear. Thank you for your reply!

Hi Marton!  This is Megan from the SEOmoz Help Team.  I'm so sorry that we're late to answer this question!  If you have questions about our tools in the future, feel free to send a message to help@seomoz.org for a quicker response. The crawler that we use for OpenSiteExplorer unfortunately does not crawl https at this time, but we do plan on changing this at some point down the line.  Our campaign crawler, however, does crawl https, so you'll still be able to find out information like if your site has any 404 errors, duplicate page content, missing title tags, etc. I hope this helps!