hack me!
$ nmap 101.99.90.55
Starting Nmap 7.80 ( https://nmap.org ) at 2019-10-21 17:02 BST
Nmap scan report for falcon.ntg.li (101.99.90.55)
Host is up (0.17s latency).
Not shown: 981 closed ports
PORT     STATE    SERVICE
21/tcp   open     ftp
25/tcp   open     smtp
53/tcp   open     domain
80/tcp   open     http
110/tcp  open     pop3
111/tcp  open     rpcbind
139/tcp  filtered netbios-ssn
143/tcp  open     imap
443/tcp  open     https
445/tcp  filtered microsoft-ds
465/tcp  open     smtps
587/tcp  open     submission
666/tcp  filtered doom
993/tcp  open     imaps
995/tcp  open     pop3s
3306/tcp open     mysql
6667/tcp filtered irc
6668/tcp filtered irc
6669/tcp filtered irc