clubsystems.com

.com crawl

First seen 2026-04-19 · Last seen 2026-05-16 · ok HTTP/1.1 200 7628 ms crawled 2026-05-13

IE · 54.76.177.85 · AS16509 Amazon.com, Inc.

Reputation 95/100 weak security headers

sector sports type homepage

HTML metadata

Title: Club Systems International
Description: The market leading Golf Club Administration software
Language: en
Canonical: https://www.clubsystems.com/

Open Graph

url: https://www.clubsystems.com/
title: Club Systems International
see also: https://www.clubsystems.com
site name: Club Systems International
description: The market leading Golf Club Administration software

Technology

Server: Caddy

Fonts

Google Fonts

Third-party hosts loaded (7)

cdn-cms-s-8-4.f-static.net×18
images.cdn-files-a.com×9
files.cdn-files-a.com×3
cdn-cms.f-static.com×1
cdn-cms.f-static.net×1
fonts.gstatic.com×1
static.s123-cdn-network-a.com×1

Social

Contact

Phone

Registration

Registrar

123-Reg Limited

Created

2002-06-03

Expires

2026-06-03 14 days left

Updated

2024-06-04

Name servers

ns51.domaincontrol.com
ns52.domaincontrol.com

DNS records live

NS

ns51.domaincontrol.com
ns52.domaincontrol.com

MX

5 clubsystems-com.mail.protection.outlook.com

TXT

Show 4 TXT records

f5vrnm7sbmuclnfhv6bfrg1cdn
MS=ms32094847
ms18454734
g6thgsf7hq4epvcr1vth4ingtt.

Email authentication strong

SPF

v=spf1 a:remote.clubsystems.com include:spf.protection.outlook.com include:spf.emailsignatures365.com include:mail.zendesk.com -all

strict (-all)

DMARC

v=DMARC1; p=quarantine; rua=mailto:dmarccsi@clubsystems.com,mailto:8da27caf3d@rua.easydmarc.eu; ruf=mailto:dmarccsi@clubsystems.com,mailto:8da27caf3d@ruf.easydmarc.eu; fo=1

policy: quarantine

DKIM

selector1: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA1rY989ygDjJP0gXDq0ngBTJN5zeLUTExAWuF5lBUdby9KqlglKHaJGg/yoCsGQPYTVjLSIaJ5SJCVV…
selector2: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEApgztVGJNQSNfCh4qICLoAdWR0z3gVHyYqxr5s3ljDvtdE6cWKoG8pAiguDyFncdJgKTgQAWT1L5dTN…
k2: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAv2aC2KjGKLOwTweBY5A9RpjsxaBXR9r7OAU6U8/zn92ivImI75naUujWbItRI/QmL1jy5PWGqLwoUA…

selectors probed

Certificate (current)

from 2026-03-18 to 2026-06-16

Expires in 27 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://www.clubsystems.com/

findings

missing HSTS
missing Content Security Policy
missing frame protection
missing content type protection
missing Referrer Policy
missing Permissions Policy