ostra-dome.de

.de crawl

First seen 2026-04-14 · Last seen 2026-05-11 · ok HTTP/1.1 200 701 ms crawled 2026-05-07

DE · 152.53.13.5 · AS197540 netcup GmbH

Reputation 94/100 dmarc monitor-only

Classifying

HTML metadata

Title

Eventlocation Dresden für Tagungen, Galas & Sommerfeste | OSTRA

Description

Eventlocation im Zentrum von Dresden mit OSTRA-DOME, OSTRA-STUDIOS und OSTRA-SEE. Für Tagungen, Konferenzen, Galas, Sommerfeste und Firmenveranstaltungen.

Language

Translations

Technology

Server: nginx

Analytics

Google Tag Manager

Third-party hosts loaded (1)

www.googletagmanager.com×1

Social

Contact

Email

info@first-class-concept.de

Phone

+4903514188850

Address

Zur Messe 9A, 01067, Dresden, DE

Registration

Updated

2025-03-06

Name servers

ns5.kasserver.com.
ns6.kasserver.com.

DNS records live

NS

ns5.kasserver.com
ns6.kasserver.com

MX

10 mail.first-class-concept.de

Verified for

Google

Email authentication partial

SPF: v=spf1 a mx include:spf.kasserver.com ~all
softfail (~all)
DMARC: v=DMARC1; p=none;
policy: none (monitoring only)
DKIM: no key found at common selectors

Certificate (current)

R12

from 2026-05-02 to 2026-07-31

Expires in 71 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 75/100 Checked live page: https://ostra-dome.de/

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