Scan OS information and Traceroute (nmap -A online.roberthalf.com)
Nmap scan report for online.roberthalf.com (104.21.58.23)
Host is up (0.00099s latency).
Other addresses for online.roberthalf.com (not scanned): 172.67.155.5
Not shown: 996 filtered tcp ports (no-response)
PORT STATE SERVICE VERSION
80/tcp open http Cloudflare http proxy
|_http-server-header: cloudflare
|_http-title: Did not follow redirect to https://online.roberthalf.com/
443/tcp open ssl/http Cloudflare http proxy
|_http-server-header: cloudflare
| ssl-cert: Subject: commonName=online.roberthalf.com
| Subject Alternative Name: DNS:online.roberthalf.com
| Not valid before: 2024-04-17T02:38:41
|_Not valid after: 2024-07-16T02:38:40
|_http-title: Site doesn't have a title (text/html;charset=UTF-8).
|_http-trane-info: Problem with XML parsing of /evox/about
| http-robots.txt: 1 disallowed entry
|_/
8080/tcp open http Cloudflare http proxy
|_http-server-header: cloudflare
|_http-title: Did not follow redirect to https://online.roberthalf.com/
8443/tcp open ssl/http Cloudflare http proxy
| ssl-cert: Subject: commonName=online.roberthalf.com
| Subject Alternative Name: DNS:online.roberthalf.com
| Not valid before: 2024-04-17T02:38:41
|_Not valid after: 2024-07-16T02:38:40
|_http-server-header: cloudflare
|_http-title: Certificate Error
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%), FreeBSD 11.0-STABLE (87%), Linux 3.1 (86%), Linux 3.2 (86%), Linux 3.2 - 3.5 (85%), FreeBSD 11.0-RELEASE - 12.0-CURRENT (85%), FreeBSD 11.1-RELEASE or 11.2-STABLE (85%), FreeBSD 11.2-RELEASE - 11.3 RELEASE or 11.2-STABLE (85%), FreeBSD 11.3-RELEASE (85%), FreeBSD 12.0-RELEASE - 13.0-CURRENT (85%)
No exact OS matches for host (test conditions non-ideal).
Network Distance: 8 hops
TRACEROUTE (using port 443/tcp)
HOP RTT ADDRESS
1 0.20 ms 208.76.251.177.rdns.ColocationAmerica.com (208.76.251.177)
2 0.57 ms gw.mcom-colocationamerica.com (208.64.231.81)
3 0.96 ms r1b4.n1p1400.lax.multacom.net (64.69.46.9)
4 ...
5 0.92 ms be3271.ccr41.lax04.atlas.cogentco.com (154.54.42.102)
6 2.67 ms 38.104.83.170
7 0.88 ms 172.70.208.4
8 0.84 ms 104.21.58.23
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 29.46 seconds