That means that their company's internal DNS server, or the user's ISP's DNS server, isn't resolving your name.
What DNS server are they pointing to? It looks like their server's cached a bad lookup and hasn't refreshed. -- You received this message because you are subscribed to the Google Groups "Google App Engine" group. To view this discussion on the web visit https://groups.google.com/d/msg/google-appengine/-/3o3htd94GBsJ. To post to this group, send email to google-appengine@googlegroups.com. To unsubscribe from this group, send email to google-appengine+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/google-appengine?hl=en.