superlectures.com

.com crawl

First seen 2026-04-20 · Last seen 2026-05-16 · ok HTTP/1.1 200 2185 ms crawled 2026-05-13

CZ · 37.205.15.32 · AS24971 MasterDC s.r.o.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title: SuperLectures
Description: We take full care of your conference, event or lecture video recordings.

Technology

Server: lighttpd

Third-party hosts loaded (1)

ajax.googleapis.com×1

Social

Contact

Email

info@superlectures.com

Registration

Registrar

Gransy, s.r.o.

Created

2010-08-30

Expires

2026-08-30 103 days left

Updated

2025-08-02

Name servers

ns.web4u.cz
ns2.web4u.cz

DNS records live

NS

ns.web4u.cz
ns2.web4u.cz

MX

10 f6d9feb5a684669c.mx2.emailprofi.seznam.cz
20 f6d9feb5a684669c.mx1.emailprofi.seznam.cz

Email authentication weak

SPF: v=spf1 a mx ip4:37.205.15.32 ip6:2a03:3b40:fe:45f::1 include:_spf.google.com ~all
softfail (~all)
DMARC: not published
DKIM: no key found at common selectors

Certificate (current)

R12

from 2026-03-26 to 2026-06-24

Expires in 36 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://www.superlectures.com/

findings

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