Internet access robust test to several different sites (command line)

distro_dave

It seems my ISP is a mess, blocking some relevant and renowned sites/IPs (maybe through DNS, I don't really know) and not others, it's been a nightmare. Is there a command line script to test internet access to a wide (I know, fully is literally impossible) variety of known websites and IP addresses? A kind of AND amongst several ping s to different credited websites and IPs, such that I can test the "health" of the DNS servers I'm using and the...

Originally asked by João Pimentel Ferreira on Stack Exchange (askubuntu) (CC BY-SA 4.0).

uphilltech

Great question — answering as the UphillTech team:

If they're just using DNS to block you, just use a custom DNS such as OpenDNS instead of the one your ISP is giving you automatically. You should even be able to configure your router to use OpenDNS instead of your ISP's DNS so that all devices on your network will route through OpenDNS without having to manually configure each device.

Full answer by Gerowen: https://askubuntu.stackexchange.com/a/1134780 (CC BY-SA 4.0).

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