thread 'main' panicked at 'Invalid HTTPS nameserver', dns-transport/src/https.rs:55:50

[toralf]

At a stable hardened Gentoo Linux I do get:

 $ RUST_BACKTRACE=full dog -H wdl1.pcfg.cache.wpscdn.com 
thread 'main' panicked at 'Invalid HTTPS nameserver', dns-transport/src/https.rs:55:50
stack backtrace:
   0:     0x556dec00c68e - <unknown>
   1:     0x556debfa41ac - <unknown>
   2:     0x556debfe70f7 - <unknown>
   3:     0x556dec00d3e0 - <unknown>
   4:     0x556dec00dc65 - <unknown>
   5:     0x556dec00d762 - <unknown>
   6:     0x556dec00d6d6 - <unknown>
   7:     0x556dec00d692 - <unknown>
   8:     0x556debf9e1a2 - <unknown>
   9:     0x556debfa42f0 - <unknown>
  10:     0x556debfa429b - <unknown>
  11:     0x556debf9e386 - <unknown>
  12:     0x556debfb7f47 - <unknown>
  13:     0x556debfd1364 - <unknown>
  14:     0x556debfcfffb - <unknown>
  15:     0x556debfd3533 - <unknown>
  16:     0x556debfc8979 - <unknown>
  17:     0x556dec00b6a6 - <unknown>
  18:     0x556debfcf944 - <unknown>
  19:     0x7f0b6e67e31c - __libc_start_call_main
                               at /var/tmp/portage/sys-libs/glibc-2.34-r13/work/glibc-2.34/csu/../sysdeps/nptl/libc_start_call_main.h:58:16
  20:     0x7f0b6e67e3cc - __libc_start_main_impl
                               at /var/tmp/portage/sys-libs/glibc-2.34-r13/work/glibc-2.34/csu/../csu/libc-start.c:392:3
  21:     0x556debfa0181 - <unknown>
  22:                0x0 - <unknown>
Aborted