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Nmap scan report for testbook.com (104.22.3.177) Host is up (0.00097s latency). Other addresses for testbook.com (not scanned): 2606:4700:10::6816:3b1 2606:4700:10::ac43:2506 2606:4700:10::6816:2b1 172.67.37.6 104.22.2.177 Not shown: 996 filtered tcp ports (no-response) PORT STATE SERVICE VERSION 80/tcp open http Cloudflare http proxy |_http-title: Did not follow redirect to https://testbook.com/ |_http-server-header: cloudflare 443/tcp open ssl/http Cloudflare http proxy | http-robots.txt: 324 disallowed entries (15 shown) | /videos /invite /tb-money /signup /home */mocktest | /settings /transactions */tests /logout /referrals |_/*/test/*/analysis /ecards /promotions /views/partials/ |_http-server-header: cloudflare | ssl-cert: Subject: commonName=*.testbook.com | Subject Alternative Name: DNS:*.testbook.com, DNS:testbook.com | Not valid before: 2024-01-09T00:00:00 |_Not valid after: 2025-01-17T23:59:59 |_http-title: Just a moment... 8080/tcp open http Cloudflare http proxy |_http-server-header: cloudflare |_http-title: Did not follow redirect to https://testbook.com/ 8443/tcp open ssl/http Cloudflare http proxy |_http-title: 400 The plain HTTP request was sent to HTTPS port |_http-server-header: cloudflare | ssl-cert: Subject: commonName=*.testbook.com | Subject Alternative Name: DNS:*.testbook.com, DNS:testbook.com | Not valid before: 2024-01-09T00:00:00 |_Not valid after: 2025-01-17T23:59:59 Warning: OSScan results may be unreliable because we could not find at least 1 open and 1 closed port Aggressive OS guesses: FreeBSD 11.1-STABLE (88%), Linux 3.1 (86%), Linux 3.2 (86%), Linux 3.2 - 3.5 (85%), FreeBSD 11.1-RELEASE (85%), FreeBSD 11.2-RELEASE - 11.3 RELEASE or 11.2-STABLE (85%), FreeBSD 12.0-RELEASE - 13.0-CURRENT (85%), AXIS 210A or 211 Network Camera (Linux 2.6.17) (85%), Linux 4.15 - 5.6 (85%) No exact OS matches for host (test conditions non-ideal). Network Distance: 7 hops TRACEROUTE (using port 443/tcp) HOP RTT ADDRESS 1 0.21 ms 208.76.251.177.rdns.ColocationAmerica.com (208.76.251.177) 2 645.39 ms gw.mcom-colocationamerica.com (208.64.231.81) 3 0.74 ms r2b4.n1.p1401.lax.multacom.net (64.69.46.11) 4 1.14 ms ce-1-4-2.a04.lsanca07.us.bb.gin.ntt.net (128.241.15.73) 5 ... 6 7.21 ms 141.101.72.34 7 0.96 ms 104.22.3.177 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 38.86 seconds