protern.io

.io crawl

First seen 2026-04-11 · Last seen 2026-05-19 · ok HTTP/1.1 200 848 ms crawled 2026-05-19

US · 104.21.57.36 · AS13335 Cloudflare, Inc.

Reputation 100/100

Classifying

HTML metadata

Title
Live GPS and video analysis for alpine ski racing | Protern
Description
Protern connects live GPS data with video for alpine ski racing. Splits on your phone within seconds of the finish. Data overlaid on the clips you film.
Language
en
Canonical
https://protern.io/

Open Graph

url
https://protern.io/
title
Live GPS and video analysis for alpine ski racing | Protern
site name
Protern
description
Protern connects live GPS data with video for alpine ski racing. Splits on your phone within seconds of the finish. Data overlaid on the clips you film.

Technology

CDN
Cloudflare
CMS
Shopify
Third-party hosts loaded (8)
  • shop.app×2
  • ajax.googleapis.com×1
  • cdn.shopify.com×1
  • fonts.shopifycdn.com×1
  • maps.googleapis.com×1
  • maps.gstatic.com×1
  • monorail-edge.shopifysvc.com×1
  • productreviews.shopifycdn.com×1

Social

DNS records live

NS
  • lou.ns.cloudflare.com
  • robin.ns.cloudflare.com
MX
  • 10 aspmx.l.google.com
  • 20 alt1.aspmx.l.google.com
  • 30 alt2.aspmx.l.google.com
  • 40 aspmx2.googlemail.com
  • 50 aspmx3.googlemail.com
Verified for
  • Apple
  • Google
  • Meta
  • Stripe

Email authentication strong

SPF
v=spf1 include:19490312.spf06.hubspotemail.net include:_spf.google.com include:amazonses.com ~all
softfail (~all)
DMARC
v=DMARC1; p=reject; pct=100; rua=mailto:efa895a29c1e4bc2a55fa491bd9b8467@dmarc-reports.cloudflare.net
policy: reject (enforced)
DKIM
  • google: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAlHzl0FV8ZbplQiRE35ehPGo9Ywh7dOvTTV9JuCz1eynltxRFIRWYZ/jv5068SKFWpD4N/R1wK3qwrb…
selectors probed

Certificate (current)

E8
from 2026-05-14 to 2026-08-12
Expires in 83 days

HTTP security headers

Header hygiene 85/100 Checked live page: https://protern.io/

present
  • strict-transport-security
  • content-security-policy
  • x-frame-options
  • x-content-type-options
findings
  • short HSTS max-age
  • missing Referrer Policy
  • missing Permissions Policy
Header values
x-frame-options
DENY
x-content-type-options
nosniff
content-security-policy
block-all-mixed-content; frame-ancestors 'none'; upgrade-insecure-requests;
strict-transport-security
max-age=7889238

Links to (4)

Linked from (1)