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

Non-authoritative answer:
dev.appsflyer.com	canonical name = ssl.readmessl.com.
Name:	ssl.readmessl.com
Address: 104.16.241.118
Name:	ssl.readmessl.com
Address: 104.16.242.118
Name:	ssl.readmessl.com
Address: 2606:4700::6810:f176
Name:	ssl.readmessl.com
Address: 2606:4700::6810:f276