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: 108.156.172.114
Name:	d3np7eftm67xq9.cloudfront.net
Address: 108.156.172.6
Name:	d3np7eftm67xq9.cloudfront.net
Address: 108.156.172.86
Name:	d3np7eftm67xq9.cloudfront.net
Address: 2600:9000:24f7:9400:8:1b85:2040:93a1
Name:	d3np7eftm67xq9.cloudfront.net
Address: 2600:9000:24f7:5200:8:1b85:2040:93a1
Name:	d3np7eftm67xq9.cloudfront.net
Address: 2600:9000:24f7:8a00:8:1b85:2040:93a1
Name:	d3np7eftm67xq9.cloudfront.net
Address: 2600:9000:24f7:7000:8:1b85:2040:93a1
Name:	d3np7eftm67xq9.cloudfront.net
Address: 2600:9000:24f7:4e00:8:1b85:2040:93a1
Name:	d3np7eftm67xq9.cloudfront.net
Address: 2600:9000:24f7:5400:8:1b85:2040:93a1
Name:	d3np7eftm67xq9.cloudfront.net
Address: 2600:9000:24f7:3000:8:1b85:2040:93a1
Name:	d3np7eftm67xq9.cloudfront.net
Address: 2600:9000:24f7:e400:8:1b85:2040:93a1