Nmap scan report for payoo.vn (1.52.137.198) Host is up (0.18s latency). Not shown: 998 filtered tcp ports (no-response) PORT STATE SERVICE VERSION 80/tcp open http nginx |_http-title: Did not follow redirect to https://payoo.vn 443/tcp open ssl/http nginx | tls-alpn: | http/1.1 | http/1.0 |_ http/0.9 |_ssl-date: TLS randomness does not represent time |_http-title: 400 The plain HTTP request was sent to HTTPS port |_http-server-header: PayooWeb | ssl-cert: Subject: commonName=www.payoo.vn/organizationName=VIET UNION ONLINE SERVICES CORPORATION/stateOrProvinceName=Ho Chi Minh/countryName=VN | Subject Alternative Name: DNS:www.payoo.vn, DNS:payoo.vn | Not valid before: 2025-07-07T03:26:13 |_Not valid after: 2026-08-08T03:26:12 Warning: OSScan results may be unreliable because we could not find at least 1 open and 1 closed port Device type: general purpose Running (JUST GUESSING): Linux 4.X|5.X|2.6.X|3.X (92%) OS CPE: cpe:/o:linux:linux_kernel:4 cpe:/o:linux:linux_kernel:5 cpe:/o:linux:linux_kernel:2.6.32 cpe:/o:linux:linux_kernel:3.10 Aggressive OS guesses: Linux 4.15 - 5.6 (92%), Linux 2.6.32 or 3.10 (92%), Linux 5.0 - 5.3 (90%), Linux 5.0 - 5.4 (90%), Linux 5.4 (90%), Linux 2.6.32 (90%), Linux 4.4 (90%), Linux 4.0 (88%), Linux 2.6.32 - 2.6.35 (88%), Linux 2.6.32 - 2.6.39 (87%) No exact OS matches for host (test conditions non-ideal). Network Distance: 13 hops TRACEROUTE (using port 443/tcp) HOP RTT ADDRESS 1 0.21 ms 208.76.251.177.rdns.ColocationAmerica.com (208.76.251.177) 2 0.67 ms gw.mcom-colocationamerica.com (208.64.231.81) 3 0.80 ms r1b7.n7p6.lax.multacom.net (64.69.46.3) 4 0.79 ms r2b3.r1b1.lax.multacom.net (64.69.46.17) 5 152.55 ms 42.112.1.26 6 148.42 ms 118.69.131.103 7 148.35 ms 118.69.131.103 8 ... 9 10 182.48 ms 118.69.189.40 11 182.33 ms 118.69.189.40 12 185.32 ms 1.52.137.194 13 181.99 ms 1.52.137.198 OS and Service detection performed. Please report any incorrect results at https://nmap.org/submit/ . Nmap done: 1 IP address (1 host up) scanned in 63.99 seconds