indexo.dev

dspillustrations.com

.com crawl

First seen 2026-04-11 · Last seen 2026-05-18 · ok HTTP/1.1 200 558 ms crawled 2026-05-18

DE · 116.202.118.106 · AS24940 Hetzner Online GmbH

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
DSPIllustrations.com
Description
Illustrated examples of digital signal processing topics in Python. We target wide topics such as Fourier transform, digital filter design or OFDM modulation
Language
en
Canonical
https://dspillustrations.com/pages/index.html

Technology

Server
nginx
CMS
Gatsby

Third-party hosts loaded (1)

  • www.paypalobjects.com×1

Social

Registration

Registrar
NameCheap, Inc.
Created
2017-01-09
Expires
2027-01-09 232 days left
Updated
2026-01-12
Name servers
  • ns1.wservices.ch
  • ns2.wservices.ch
  • ns3.wservices.ch

DNS records live

NS
  • ns1.wservices.ch
  • ns2.wservices.ch
  • ns3.wservices.ch
MX
  • 10 mail.wservices.ch
  • 20 mail2.wservices.ch

Email authentication weak

SPF
v=spf1 a mx a:s22.wservices.ch a:i2.s22.wservices.ch ~all
softfail (~all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

R12
from 2026-04-17 to 2026-07-16
Expires in 56 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 40/100 Checked live page: https://dspillustrations.com/pages/index.html

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

Links to (2)

Linked from (1)