Using Cloudflare resolver does not return and address for anything in our subdomain.
nslookup
server 1.1.1.1
Default Server: one.one.one.one
Address: 1.1.1.1
muhc.mcgill.ca
Server: one.one.one.one
Address: 1.1.1.1
DNS request timed out.
timeout was 2 seconds.
DNS request timed out.
timeout was 2 seconds.
DNS request timed out.
timeout was 2 seconds.
DNS request timed out.
timeout was 2 seconds.
*** Request to one.one.one.one timed-out
server 8.8.8.8
Default Server: dns.google
Address: 8.8.8.8
muhc.mcgill.ca
Server: dns.google
Address: 8.8.8.8
Non-authoritative answer:
Name: muhc.mcgill.ca
Address: 199.21.217.106