Bare TLD resolutions
johnl at iecc.com
Wed Sep 17 20:46:40 UTC 2014
>The latter would seem to be avoidable by making sure that *DNS resolution
>of bare TLDs always returns NXDOMAIN*.
>Is that a requirement for a TLD?
No. In fact, a TLD lookup that returned NXDOMAIN would be utterly
broken since that would mean the TLD had no SOA, no NS, and no
subdomains. Perhaps you're confusing it with NOERROR.
>If it isn't, does anyone know of any domains dumb enough to actual
>return something for a lookup on the bare TLD?
Yes. If you'd read RFC 7085, you'd already know which ones do.
There have been A and MX records at TLDs nearly as long as there have
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