shell:$ nslookup -timeout=2 -retry=1 'joinus.gknaerospace.com'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
joinus.gknaerospace.com	canonical name = dns.umbraco.io.
Name:	dns.umbraco.io
Address: 172.66.0.125
Name:	dns.umbraco.io
Address: 162.159.140.127
Name:	dns.umbraco.io
Address: 2606:4700:7::7d
Name:	dns.umbraco.io
Address: 2a06:98c1:58::7d