Nmap scan report for s.wrqvtbkv.outbound-mail.sendgrid.net (149.72.123.24)
Host is up (0.0099s latency).
All 100 scanned ports on s.wrqvtbkv.outbound-mail.sendgrid.net (149.72.123.24) are in ignored states.
Not shown: 100 filtered tcp ports (no-response)

Nmap done: 1 IP address (1 host up) scanned in 3.19 seconds