shell:$ nslookup -timeout=2 -retry=1 'flex.orange.pl'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
flex.orange.pl	canonical name = lb-prd-nginxfront-1537c82b2b653d68.elb.eu-central-1.amazonaws.com.
Name:	lb-prd-nginxfront-1537c82b2b653d68.elb.eu-central-1.amazonaws.com
Address: 3.120.218.148
Name:	lb-prd-nginxfront-1537c82b2b653d68.elb.eu-central-1.amazonaws.com
Address: 3.68.16.234
Name:	lb-prd-nginxfront-1537c82b2b653d68.elb.eu-central-1.amazonaws.com
Address: 18.158.75.77