From the log.

Name resolution for the name timed out after none of the configured DNS servers responded.

or this

Your computer was not assigned an address from the network (by the DHCP Server) for the Network Card with network address 0x902B3461508E. The following error occurred: 0x79. Your computer will continue to try and obtain an address on its own from the network address (DHCP) server.

This is happening on many websites