indexo.dev

sibyllekefer.at

.at crawl

First seen 2026-06-05 · Last seen 2026-06-05 · ok HTTP/1.1 200 821 ms crawled 2026-06-05

AT · 213.208.138.167 · AS1764 Next Layer Telekommunikationsdienstleistungs- und Beratungs GmbH

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
Sibylle Kefer
Language
de
Generator
WordPress 7.0
Canonical
https://www.sibyllekefer.at/blog/
Feeds
last post 69 days ago

Technology

Server
Apache
CMS
WordPress 7.0
PHP
8.0.30 end of life
jQuery
3.7.1
Fonts
  • Google Fonts

Third-party hosts loaded (2)

  • fonts.googleapis.com×2
  • gmpg.org×1

Contact

Phone

DNS records live

NS
  • ns1.web-experts.at
  • ns2.web-experts.at
  • ns3.web-experts.at
MX
  • 10 mail.skginfo.at

Email authentication weak

SPF
v=spf1 ip4:213.208.138.160/28 a mx -all
strict (-all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

YR1
from 2026-05-29 to 2026-08-27
Expires in 71 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 45/100 Checked live page: https://www.sibyllekefer.at/blog/

present
  • strict-transport-security
findings
  • short HSTS max-age
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
strict-transport-security
max-age=0

Links to (2)

Linked from (1)

Use this data via API

Everything on this page for sibyllekefer.at is available as JSON from the indexo.dev REST & MCP API.

curl "https://indexo.dev/api/v1/domains/sibyllekefer.at" \
  -H "X-API-Key: idx_..."

Read the docs & get a free key →

Add a badge to your site

Own sibyllekefer.at? Show it's tracked on indexo.dev and link visitors straight to this page.

indexo.dev — sibyllekefer.at

<a href="https://indexo.dev/sibyllekefer.at" target="_blank" rel="noopener">
  <img src="https://indexo.dev/sibyllekefer.at/badge.svg" alt="indexo.dev — sibyllekefer.at">
</a>