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Guide shows how to claim a free .arpa subdomain through Hurricane Electric IPv6 reverse DNS delegation
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A blog post walks through obtaining a functioning website on a .arpa domain by registering an IPv6 tunnel through Hurricane Electric, calculating the corresponding ip6.arpa reverse DNS name, delegating it to deSEC, and hosting via Surge.
The .arpa TLD is reserved for internet infrastructure and not open to public registration, but the ip6.arpa reverse DNS specification does not restrict what records you place on a delegated zone, creating an unintended path to free hosting on a restricted TLD. HTTPS is difficult because many certificate authorities refuse to issue for .arpa domains, limiting practical usefulness.
Written by elseif from the cluster below · every claim links back to a sourceThe three things worth knowing
Hurricane Electric's tunnelbroker.net provides free IPv6 tunnels with rDNS delegation, and the IPv4 endpoint is not verified, so you do not need to control it.
The ip6.arpa domain is derived by reversing each nibble of the routed IPv6 prefix and appending .ip6.arpa, then delegating DNS to deSEC.
Many certificate authorities refuse to serve .arpa domains, making HTTPS challenging, though Surge works as a host because it does not enforce HTTPS.
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