A similar issue (removed from search results, but remained in index) happened to my site due to a DNS issue last year, and I had to perform some magic steps+ in

A similar issue (removed from search results, but remained in index) happened to my site due to a DNS issue last year, and I had to perform some magic steps+ in webmaster tools and we re-appeared in search within a day or so. + no magic, I just don't remember what exactly I had to do.