sner.ch

.ch crawl

First seen 2026-06-04 · Last seen 2026-06-04 · ok HTTP/1.1 200 605 ms crawled 2026-06-04

US · 172.67.68.21 · AS13335 Cloudflare, Inc.

Reputation 94/100 dmarc monitor-only

sector education type homepage

HTML metadata

Title
DJing and producing lessons near you – Sner
Description
Learn DJing and producing from experienced coaches in your area. Individual lessons based on your goals and schedule.
Language
en
Translations
  • de
  • en

Open Graph

url
https://www.sner.ch/en
title
DJing and producing lessons near you – Sner
site name
Sner
description
Learn DJing and producing from experienced coaches in your area. Individual lessons based on your goals and schedule.

Technology

CDN
Cloudflare

Third-party hosts loaded (2)

  • s3.instrumentor.ch×50
  • api.mapbox.com×2

Contact

Phone

DNS records live

NS
  • dahlia.ns.cloudflare.com
  • micah.ns.cloudflare.com
MX
  • 1 aspmx.l.google.com
  • 10 alt3.aspmx.l.google.com
  • 10 alt4.aspmx.l.google.com
  • 5 alt1.aspmx.l.google.com
  • 5 alt2.aspmx.l.google.com
Verified for
  • Google

Email authentication partial

SPF
v=spf1 include:_spf.google.com include:sendgrid.net mx mx:stepping-stone.ch ~all
softfail (~all)
DMARC
v=DMARC1; p=none; pct=100; rua=mailto:re+qgqblsu9j4t@dmarc.postmarkapp.com; sp=none; aspf=r;
policy: none (monitoring only) · sp=none
DKIM
  • google: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAr0eFbu2Uyw5zXXVlPSFdbMPkhhhWH+8DFvdLaeFX1WYEKTpf3I9ddjKZyphgsQRPHqJ/NWgUkyPuQv…
  • s1: k=rsa; t=s; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAtjNWPXoWhhIiaGx734Jm0CTVPIHgcM/F2ORL3Fj44n1YfxyjrbwjIK0PYyu9TfFVUOHfzqlx6I5M/4gTi/…
  • s2: k=rsa; t=s; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCqCkqmQO0KLC6JgCN5XL+5CXA6y5yhp9TsPPPFeec12eSTCp9QnU0LjvFUwniIJDqVjoXYqCSCN0XvDQib7JdAhw…
selectors probed

Certificate (current)

WE1
from 2026-06-02 to 2026-08-31
Expires in 87 days

HTTP security headers

Header hygiene 75/100 Checked live page: https://www.sner.ch/en

present
  • strict-transport-security
  • x-frame-options
  • x-content-type-options
  • referrer-policy
findings
  • missing Content Security Policy
  • missing Permissions Policy
Header values
referrer-policy
strict-origin-when-cross-origin
x-frame-options
SAMEORIGIN
x-content-type-options
nosniff
strict-transport-security
max-age=63072000; includeSubDomains

Links to (2)

Linked from (1)