abcert-web.de

.de crawl

First seen 2026-04-14 · Last seen 2026-05-17 · ok HTTP/1.1 200 2312 ms crawled 2026-05-09

FR · 217.160.107.192 · AS8560 IONOS SE

Reputation 94/100 dmarc monitor-only

Classifying

Technology

Server: Lotus-Domino

Registration

Updated

2018-09-10

Name servers

ns1085.ui-dns.biz.
ns1085.ui-dns.com.
ns1085.ui-dns.de.
ns1085.ui-dns.org.

DNS records live

NS

ns1085.ui-dns.biz
ns1085.ui-dns.com
ns1085.ui-dns.de
ns1085.ui-dns.org

MX

10 mx00.ionos.de
10 mx01.ionos.de

Email authentication partial

SPF: v=spf1 include:_spf-eu.ionos.com ~all
softfail (~all)
DMARC: v=DMARC1; p=none;
policy: none (monitoring only)
DKIM: no key found at common selectors

Certificate (current)

R13

from 2026-04-22 to 2026-07-21

Expires in 64 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 60/100 Checked live page: https://abcert-web.de/

present

strict-transport-security
x-content-type-options

findings

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

Header values

x-content-type-options: nosniff
strict-transport-security: max-age=17280000; includeSubDomains

Linked from (4)