Starting Nmap 7.80 ( https://nmap.org ) at 2023-03-19 17:47 EDT Nmap scan report for grp.ddns.net (189.15.2.123) Host is up (0.15s latency). rDNS record for 189.15.2.123: 189-015-002-123.xd-dynamic.algarnetsuper.com.br Not shown: 90 closed ports PORT STATE SERVICE 25/tcp filtered smtp 53/tcp filtered domain 111/tcp filtered rpcbind 135/tcp filtered msrpc 139/tcp filtered netbios-ssn 389/tcp filtered ldap 445/tcp filtered microsoft-ds 1900/tcp filtered upnp 3389/tcp filtered ms-wbt-server 8080/tcp filtered http-proxy Nmap done: 1 IP address (1 host up) scanned in 3.64 seconds