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Nmap scan report for johner-institute.com (217.22.195.98) Host is up (0.16s latency). rDNS record for 217.22.195.98: www01.l4.johner-institut.de Not shown: 97 filtered ports PORT STATE SERVICE 80/tcp open http 113/tcp closed ident 443/tcp open https Nmap done: 1 IP address (1 host up) scanned in 4.74 seconds