Not able to create connections to http://dmoz.org/http://www.dmoz.org/Regional/North_America/United_States/Government/Executive_Branch/Department_of_Health_and_Human_Services/National_Institutes_of_Health/National_Cancer_Institute/ from your server. The reason might be a firewall, proxy, or http://dmoz.org/http://www.dmoz.org/Regional/North_America/United_States/Government/Executive_Branch/Department_of_Health_and_Human_Services/National_Institutes_of_Health/National_Cancer_Institute/ or your web hosting company might be blocking outside connections. Another possibility is a timeout because of slowdown in internet itself.