I’m running a local unbound instance on my laptop to get working DNSSEC. It turns out that with the captive portal NSB (the Norwegian national rail company), this doesn’t work too well and you get into an endless series of redirects. Changing resolv.conf so you use the DHCP-provided resolver stops the redirect loop and you can then log in. Afterwards, you’re free to switch back to using your own local resolver.

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