Scan OS information and Traceroute (nmap -A api.juejin.cn)
Nmap scan report for api.juejin.cn (8.45.52.221)
Host is up (0.0046s latency).
Other addresses for api.juejin.cn (not scanned): 47.246.24.224 47.246.24.226 8.45.52.198 47.246.24.221 47.246.24.220 47.246.24.225 8.45.52.220 8.45.52.222 8.45.52.199 8.45.52.223 47.246.24.227 8.45.52.205 8.45.52.213 47.246.24.222 47.246.24.223
Not shown: 996 filtered tcp ports (no-response)
PORT STATE SERVICE VERSION
80/tcp open http Tengine httpd
|_http-title: Did not follow redirect to https://api.juejin.cn/
|_http-server-header: Tengine
443/tcp open ssl/http Tengine httpd
|_http-title: Site doesn't have a title (text/plain; charset=utf-8).
| ssl-cert: Subject: commonName=*.juejin.cn
| Subject Alternative Name: DNS:*.juejin.cn, DNS:juejin.cn
| Not valid before: 2023-06-30T00:00:00
|_Not valid after: 2024-07-30T23:59:59
|_ssl-date: TLS randomness does not represent time
| tls-nextprotoneg:
| h2
|_ http/1.1
| tls-alpn:
| h2
|_ http/1.1
|_http-server-header: Tengine
843/tcp open adobe-crossdomain Adobe cross-domain policy (domain: *; ports: *)
1935/tcp open tcpwrapped
Warning: OSScan results may be unreliable because we could not find at least 1 open and 1 closed port
OS fingerprint not ideal because: Missing a closed TCP port so results incomplete
No OS matches for host
Network Distance: 10 hops
TRACEROUTE (using port 443/tcp)
HOP RTT ADDRESS
1 0.24 ms 208.76.251.177.rdns.ColocationAmerica.com (208.76.251.177)
2 0.63 ms gw.mcom-colocationamerica.com (208.64.231.81)
3 0.68 ms r1b4.n1p1400.lax.multacom.net (64.69.46.9)
4 ...
5 0.95 ms be3271.ccr41.lax04.atlas.cogentco.com (154.54.42.102)
6 0.55 ms ctl.lax04.atlas.cogentco.com (154.54.10.198)
7 ...
8 2.68 ms 205.129.1.198
9 ...
10 1.92 ms 8.45.52.221
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 116.35 seconds