shell:$ nslookup -timeout=2 -retry=1 'userrec.telecom.com.ar'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
userrec.telecom.com.ar	canonical name = d3np7eftm67xq9.cloudfront.net.
Name:	d3np7eftm67xq9.cloudfront.net
Address: 52.85.12.86
Name:	d3np7eftm67xq9.cloudfront.net
Address: 52.85.12.126
Name:	d3np7eftm67xq9.cloudfront.net
Address: 52.85.12.29
Name:	d3np7eftm67xq9.cloudfront.net
Address: 52.85.12.60
Name:	d3np7eftm67xq9.cloudfront.net
Address: 2600:9000:2007:3000:8:1b85:2040:93a1
Name:	d3np7eftm67xq9.cloudfront.net
Address: 2600:9000:2007:5800:8:1b85:2040:93a1
Name:	d3np7eftm67xq9.cloudfront.net
Address: 2600:9000:2007:6400:8:1b85:2040:93a1
Name:	d3np7eftm67xq9.cloudfront.net
Address: 2600:9000:2007:ac00:8:1b85:2040:93a1
Name:	d3np7eftm67xq9.cloudfront.net
Address: 2600:9000:2007:4c00:8:1b85:2040:93a1
Name:	d3np7eftm67xq9.cloudfront.net
Address: 2600:9000:2007:5400:8:1b85:2040:93a1
Name:	d3np7eftm67xq9.cloudfront.net
Address: 2600:9000:2007:fc00:8:1b85:2040:93a1
Name:	d3np7eftm67xq9.cloudfront.net
Address: 2600:9000:2007:f800:8:1b85:2040:93a1