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

Non-authoritative answer:
email.rotita.com	canonical name = sendgrid.net.
Name:	sendgrid.net
Address: 54.158.174.185
Name:	sendgrid.net
Address: 3.231.179.208
Name:	sendgrid.net
Address: 3.220.122.174
Name:	sendgrid.net
Address: 18.224.219.179
Name:	sendgrid.net
Address: 3.20.87.51
Name:	sendgrid.net
Address: 3.20.194.73