Nmap scan report for klaviyo.zendesk.com (216.198.54.6) Host is up (0.0010s latency). Other addresses for klaviyo.zendesk.com (not scanned): 216.198.53.6 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://klaviyo.zendesk.com/ 443/tcp open ssl/http Cloudflare http proxy | ssl-cert: Subject: commonName=klaviyo.zendesk.com | Subject Alternative Name: DNS:klaviyo.zendesk.com | Not valid before: 2025-09-01T06:56:47 |_Not valid after: 2025-11-30T06:56:46 |_http-server-header: cloudflare | http-robots.txt: 40 disallowed entries (15 shown) | /children /groups /organizations /requests | /registration /plans /accounts /account /proxy /rules /tags |_/ticket_fields /reports /search /slas | http-title: Just a moment... |_Requested resource was https://klaviyo.zendesk.com/hc/en-us 8080/tcp open http Cloudflare http proxy |_http-server-header: cloudflare |_http-title: Did not follow redirect to https://klaviyo.zendesk.com/ 8443/tcp open ssl/http Cloudflare http proxy | ssl-cert: Subject: commonName=klaviyo.zendesk.com | Subject Alternative Name: DNS:klaviyo.zendesk.com | Not valid before: 2025-09-01T06:56:47 |_Not valid after: 2025-11-30T06:56:46 |_http-title: 400 The plain HTTP request was sent to HTTPS port |_http-server-header: cloudflare Warning: OSScan results may be unreliable because we could not find at least 1 open and 1 closed port Aggressive OS guesses: FreeBSD 11.0-STABLE (92%), FreeBSD 11.1-STABLE (92%), FreeBSD 11.2-RELEASE - 11.3 RELEASE or 11.2-STABLE (90%), FreeBSD 12.0-RELEASE - 13.0-CURRENT (90%), FreeBSD 11.0-RELEASE - 12.0-CURRENT (89%), FreeBSD 11.3-RELEASE (88%), FreeBSD 11.1-RELEASE (88%), FreeBSD 12.0-RELEASE - 12.1-RELEASE or 12.0-STABLE (88%), FreeBSD 11.0-RELEASE (88%), Android 6.0 - 7.1.2 (Linux 3.18 - 4.4.1) (88%) No exact OS matches for host (test conditions non-ideal). Network Distance: 8 hops TRACEROUTE (using port 443/tcp) HOP RTT ADDRESS 1 0.18 ms 208.76.251.177.rdns.ColocationAmerica.com (208.76.251.177) 2 2.91 ms gw.mcom-colocationamerica.com (208.64.231.81) 3 3.37 ms r1b4.n1p1400.lax.multacom.net (64.69.46.9) 4 0.72 ms hu0-5-0-25.ccr41.lax01.atlas.cogentco.com (38.88.244.128) 5 0.89 ms be3243.ccr41.lax05.atlas.cogentco.com (154.54.27.118) 6 2.43 ms 38.104.83.170 7 1.49 ms 141.101.72.87 8 0.90 ms 216.198.54.6 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 119.17 seconds