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

Non-authoritative answer:
blog.webex.com	canonical name = gi40cmac328w.wpeproxy.com.
Name:	gi40cmac328w.wpeproxy.com
Address: 141.193.213.21
Name:	gi40cmac328w.wpeproxy.com
Address: 141.193.213.20