shell:$ nslookup -timeout=2 -retry=1 'dcv.websecurity.symantec.com'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
dcv.websecurity.symantec.com	canonical name = www.digicert.com.
www.digicert.com	canonical name = 3ivgup7.x.incapdns.net.
Name:	3ivgup7.x.incapdns.net
Address: 45.60.121.229