shell:$ nslookup -timeout=2 -retry=1 'mobile3.twimg.com'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
mobile3.twimg.com	canonical name = d1dyykd32h0o14.cloudfront.net.
Name:	d1dyykd32h0o14.cloudfront.net
Address: 13.249.135.86
Name:	d1dyykd32h0o14.cloudfront.net
Address: 13.249.135.134
Name:	d1dyykd32h0o14.cloudfront.net
Address: 13.249.135.88
Name:	d1dyykd32h0o14.cloudfront.net
Address: 13.249.135.100