Funfact there is rDNS for cellphone numbers! the Dutch zone is currently owned by surfnet:
eater@adora: ~ $ dig +short SOA http://1.3.e164.arpa.http://ns1.surfnet.nl. http://enum.isoc.nl. 71 3600 3600 172800 1200
Why is this step necessary? mastodon.social might not be the server where you are registered, so we need to redirect you to your home server first.
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