shell:$ nslookup -timeout=2 -retry=1 'imgs.signifyd.com'
Server:		127.0.0.53
Address:	127.0.0.53#53

Non-authoritative answer:
imgs.signifyd.com	canonical name = h-signifyd.online-metrix.net.
Name:	h-signifyd.online-metrix.net
Address: 192.225.157.157