cses.fi

.fi crawl

First seen 2026-05-27 · Last seen 2026-06-01 · ok HTTP/1.1 200 358 ms crawled 2026-05-30

NL · 164.92.159.7 · AS14061 DigitalOcean, LLC

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title: CSES

Technology

Server: Apache
Stack: PHP

DNS records live

NS

ns1.digitalocean.com
ns2.digitalocean.com
ns3.digitalocean.com

Email authentication no MX

SPF: v=spf1 a ~all
softfail (~all)
DMARC: not published
DKIM: no key found at common selectors

Certificate (current)

E7

from 2026-04-17 to 2026-07-16

Expires in 43 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://cses.fi/

findings

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

Linked from (3)