centurionrunning.com

.com crawl

First seen 2026-04-21 · Last seen 2026-05-18 · ok HTTP/1.1 200 1607 ms crawled 2026-05-14

US · 104.21.15.172 · AS13335 Cloudflare, Inc.

Reputation 89/100 weak security headers dmarc monitor-only

Classifying

HTML metadata

Title: Centurion Running - Home of marked and fully supported 50km, 50 mile, 100 & 200 mile ultramarathons

Technology

CDN: Cloudflare
CMS: Shopify

Analytics

Cloudflare Insights

Third-party hosts loaded (8)

cdn.shopify.com×8
res-1.cloudinary.com×5
res-3.cloudinary.com×5
res-2.cloudinary.com×3
res-5.cloudinary.com×3
res.cloudinary.com×3
res-4.cloudinary.com×2
static.cloudflareinsights.com×1

Social

Registration

Registrar

GoDaddy.com, LLC

Created

2010-10-22

Expires

2027-10-22 520 days left

Updated

2025-10-13

Name servers

gail.ns.cloudflare.com
paul.ns.cloudflare.com

DNS records live

NS

gail.ns.cloudflare.com
paul.ns.cloudflare.com

MX

0 centurionrunning-com.mail.protection.outlook.com

TXT

MS=ms51237068

Email authentication partial

SPF

v=spf1 include:spf.protection.outlook.com include:host.millsy.me.uk mx -all

strict (-all)

DMARC

v=DMARC1; p=none;

policy: none (monitoring only)

DKIM

Show 4 DKIM selectors

selector1: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA45CGbHOUI7hjjB4aw0SDfCyxKUK25zVJA93g2kgebsDi+8ya392Jip1GjoFnd1A2ArcQbujvp9Y3DO…
selector2: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAzQBUB05e2pV7lUGVQfIDHXTrXwVDtSH9BckzIbuuR2/OUfNRmU34mXKc5rcWonXXXJ5uS9UPj3BxAb…
k2: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAv2aC2KjGKLOwTweBY5A9RpjsxaBXR9r7OAU6U8/zn92ivImI75naUujWbItRI/QmL1jy5PWGqLwoUA…
mail: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDMDo2a5gWr2DTuIdUMWf4t3XMlUsFqLkmh7bN0O4GJIwmEmA6sGZHXXGFR2MP5Wpcrylzu0EU0ZpAPV4kQbL…

selectors probed

Certificate (current)

WE1

from 2026-03-23 to 2026-06-22

Expires in 33 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 40/100 Checked live page: https://centurionrunning.com/

present

x-frame-options

findings

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

Header values

x-frame-options: sameorigin