core.at

.at dns crawl

First seen 2026-05-16 · Last seen 2026-05-31 · ok HTTP/1.1 200 637 ms crawled 2026-05-20

AT · 212.232.27.3 · AS47692 Nessus GmbH

Reputation 100/100

Classifying

HTML metadata

Title: [core] Informationstechnologie - IT Services, AI & CommuniGate Pro | Österreich
Description: [core] Informationstechnologie - Ihr Partner für innovative IT-Lösungen, KI-Agenten, AI-Systeme, Cloud-Infrastruktur und CommuniGate Pro Messaging-Plattformen in Österreich.
Language: de

Open Graph

url: https://core.at
title: [core] Informationstechnologie - Innovative IT-Lösungen & KI-Systeme
description: Experten für IT-Infrastruktur, KI-Agenten, Cloud-Lösungen und professionelle Messaging-Plattformen.

Technology

Server: nginx

Fonts

Google Fonts

Third-party hosts loaded (3)

cdnjs.cloudflare.com×2
fonts.googleapis.com×2
fonts.gstatic.com×1

Contact

Email

DNS records live

NS

ns.core.at
ns2.core.at

MX

10 mx2.core.at
5 mail.core.at

Verified for

Google

Email authentication strong

SPF

v=spf1 a mx ip4:146.255.59.64/28 ip4:84.242.14.192/26 ip4:212.232.27.0/28 ip4:31.12.4.70 ip4:62.152.184.35 exp=fu.core.at -all

strict (-all)

DMARC

v=DMARC1; p=reject; pct=100; ruf=mailto:guardian@core.at; rua=mailto:guardian@core.at; adkim=r; aspf=s

policy: reject (enforced)

DKIM

k2: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAv2aC2KjGKLOwTweBY5A9RpjsxaBXR9r7OAU6U8/zn92ivImI75naUujWbItRI/QmL1jy5PWGqLwoUA…
mail: v=DKIM1;g=*;k=rsa;p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAp0lWaDRHJZJt6LVPwhs+RKl/wSMm+cbHiYye1UmcN0rkdWGRUQAhc9G4hVr+qcY5sz1Tq1HNDbaq…

selectors probed

Certificate (current)

Sectigo Public Server Authentication CA DV R36

from 2026-01-23 to 2026-07-06

Expires in 35 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://core.at/

present

strict-transport-security

findings

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

Header values

strict-transport-security: max-age=63072000; includeSubdomains;