shell:$ nslookup -timeout=2 -retry=1 'nasablackhole52.docs.google.com'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
nasablackhole52.docs.google.com	canonical name = browserchannel-sites.l.google.com.
Name:	browserchannel-sites.l.google.com
Address: 142.251.166.189
Name:	browserchannel-sites.l.google.com
Address: 2607:f8b0:4023:140f::bd