kernel-error.de

kernel-error.de serves a website of its own over HTTPS and under www. It answers on both IPv4 and IPv6, with a valid TLS certificate and MX records for mail.

23 other domains share an IP address with it, and 4 domains redirect to it.

The most recent crawl returned the page title “-=Kernel-Error=- – IT security, FreeBSD, Linux, mail server hardening, post-quantum crypto, DNS, retro computing & hands...” and 61,544 bytes of HTML.

Domain properties

Property	Value	Explanation
Top-level domain	.de	Statistics for all domains we know under this TLD.
Has website	yes	A website is hosted under the domain, which does not redirect to an external domain.
Has MX-record	yes	The domain has an MX record.
External redirect	no	The domain redirects to another domain.
Redirect to https	yes	The domain redirects to https.
Redirect to www.	yes	The domain redirects to www.domain.
Only with www.	no	The domain can only be reached with the subdomain "www".
Only DNS, no website	no	There are no A or AAAA records in DNS.
IP-Address	Both	Shows whether the domain only has IPv4 or IPv6 or both.
SSL-Certificate	valid	Shows whether the domain has a valid SSL certificate.
Redirects	4	Number of domains that redirect to this domain.
Reverse IP	23	Number of domains with the same IP(s).

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Last SSL certificate

Issuer	DigiCert Inc
Valid from	4/29/2026
Valid to	11/14/2026
Time until expiry	35 days

Last successful crawl

Title	-=Kernel-Error=- – IT security, FreeBSD, Linux, mail server hardening, post-quantum crypto, DNS, retro computing & hands-on hardware hacks. Privater Tech-Blog seit 2003.
Description	Webseite von Sebastian van de Meer aus Rheinbach — Wissen und Gedanken rund um IT-Security, FreeBSD, Netzwerke, Elektronik, Datenschutz und Linux.
Content-Length	61,544 bytes

Title and description as published by the page itself in its own <title> and <meta name="description"> tags.

DNS history

IPv4 address	Last updated
148.251.30.200	12/10/2023

IPv6 address	Last updated
2a01:4f8:262:4716:0:0:0:443	12/10/2023

Mail server	Priority	Last updated
smtp.kernel-error.de	10	12/31/2023

Name server	Last updated
ns1.kernel-error.de	12/10/2023
ns2.kernel-error.org	12/10/2023

Most recent redirect domains

Domain	Last seen
hey-du.de	10/2/2026
kernel-error.dev	12/19/2025
rfc-ignorant.de	12/15/2025
vandemeer.de	12/11/2025

Reverse IP neighbours

148.251.30.200 18 domains · here since 9/21/2026

Domain	On this IP since
vandemeer.de	9/22/2026
tagesmutter-rheinbach.de	9/18/2026
systemische-beratung-rheinbach.de	9/23/2026
systemische-beratung-meckenheim.de	9/15/2026
systemische-beratung-euskirchen.de	9/18/2026
schwanz.training	9/15/2026
rfc-ignorant.de	9/19/2026
kernel-error.org	9/15/2026
kernel-error.dev	9/13/2026
it-rheinbach.de	9/18/2026
hey-du.de	9/20/2026
heidbreders.de	9/16/2026
and 5 more

2a01:4f8:262:4716::443 5 domains · here since 9/21/2026

Domain	On this IP since
vandemeer.de	9/22/2026
rfc-ignorant.de	9/19/2026
kernel-error.org	9/15/2026
kernel-error.dev	9/13/2026

Sharing an address does not always mean sharing a server: on a CDN or a large hosting platform, millions of unrelated domains answer on the same few addresses. We measured how far that goes in Half the web sits on 276 IP addresses.

Dive into our data, search now!