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: 108.156.172.38
Name:	d3np7eftm67xq9.cloudfront.net
Address: 108.156.172.86
Name:	d3np7eftm67xq9.cloudfront.net
Address: 108.156.172.6
Name:	d3np7eftm67xq9.cloudfront.net
Address: 108.156.172.114
Name:	d3np7eftm67xq9.cloudfront.net
Address: 2600:9000:24f7:1200:8:1b85:2040:93a1
Name:	d3np7eftm67xq9.cloudfront.net
Address: 2600:9000:24f7:8a00:8:1b85:2040:93a1
Name:	d3np7eftm67xq9.cloudfront.net
Address: 2600:9000:24f7:5000:8:1b85:2040:93a1
Name:	d3np7eftm67xq9.cloudfront.net
Address: 2600:9000:24f7:4200:8:1b85:2040:93a1
Name:	d3np7eftm67xq9.cloudfront.net
Address: 2600:9000:24f7:a400:8:1b85:2040:93a1
Name:	d3np7eftm67xq9.cloudfront.net
Address: 2600:9000:24f7:8e00:8:1b85:2040:93a1
Name:	d3np7eftm67xq9.cloudfront.net
Address: 2600:9000:24f7:e800:8:1b85:2040:93a1
Name:	d3np7eftm67xq9.cloudfront.net
Address: 2600:9000:24f7:ae00:8:1b85:2040:93a1