HE.NET NS glue incorrect:

[snarked]

While using a DNS checker:  Glue Check
FAIL: Found differences between information provided by your authoritative name servers and glue provided by the parent

name servers: •ns4.he.net. @parent=[2001:470:500::2] @ns=[2001:470:400::2]

The glue provided by the parent name servers has to match the data provided by the authoritative name servers.
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Although the error is "harmless" in that it accidentally points those looking up ns4 via IPv6 to the ns5 server, it's still wrong.

[dstest01]

Still not fixed it seems:

;; ADDITIONAL SECTION:
ns1.he.net.             172800  IN      A       216.218.130.2
ns2.he.net.             172800  IN      AAAA    2001:470:200::2
ns2.he.net.             172800  IN      A       216.218.131.2
ns3.he.net.             172800  IN      AAAA    2001:470:300::2
ns3.he.net.             172800  IN      A       216.218.132.2
ns4.he.net.             172800  IN      AAAA    2001:470:500::2
ns4.he.net.             172800  IN      A       216.66.1.2
ns5.he.net.             172800  IN      AAAA    2001:470:500::2
ns5.he.net.             172800  IN      A       216.66.80.18