Thanks for reporting this issue and for helping to improve Ubuntu. In addition to the nslookup output, can you try to reach those sites via ping (ping www.site-you-are-visiting.com) ? Maybe, these sites were simply not reachable temporary?
Thanks for reporting this issue and for helping to improve Ubuntu. In addition to the nslookup output, can you try to reach those sites via ping (ping www.site- you-are- visiting. com) ? Maybe, these sites were simply not reachable temporary?