Nmap scan report for proton.me (185.70.42.45)
Host is up (0.079s latency).
rDNS record for 185.70.42.45: 185-70-42-45.protonmail.ch
Not shown: 98 filtered tcp ports (no-response)
PORT    STATE SERVICE
80/tcp  open  http
443/tcp open  https

Nmap done: 1 IP address (1 host up) scanned in 3.84 seconds