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nextdns / diag

Network diagnostic tool
MIT License
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Errors with IPv6 only NAT64 #17

Open miyurusankalpa opened 1 year ago

miyurusankalpa commented 1 year ago
  1. Uses NAT64 for IPv4 checks

Traceroute for ultra low latency primary IPv4 (64:ff9b::d992:b31)

  1. Does not skip IPv4 checks.
Fetching PoP name for ultra low latency primary IPv4 (ipv4.dns1.nextdns.io)
  anexia-maa: 249.99ms
Fetching PoP name for ultra low latency secondary IPv4 (ipv4.dns2.nextdns.io)
  do-blr: 175.933ms
Fetching PoP name for anycast primary IPv4 (45.90.28.0)
Fetch error: Get "https://dns.nextdns.io/info": dial tcp 45.90.28.0:443: connect: network is unreachable
Fetching PoP name for anycast secondary IPv4 (45.90.30.0)
Fetch error: Get "https://dns.nextdns.io/info": dial tcp 45.90.30.0:443: connect: network is unreachable
Fetching PoP name for ultra low latency primary IPv6 (ipv6.dns1.nextdns.io)
  anexia-maa: 395.796ms
Fetching PoP name for ultra low latency secondary IPv6 (ipv6.dns2.nextdns.io)
  do-blr: 386.427ms
Fetching PoP name for anycast primary IPv6 (2a07:a8c0::)
  vultr-sjc: 253.314ms
Fetching PoP name for anycast secondary IPv6 (2a07:a8c1::)
  anexia-lax: 232.599ms
  1. At the end post gets failed.

Post unsuccessful: status 400

Script should check for DNS64/NAT64 and handle it accordingly.