Domain diagnostics schulwiki.de

Diagnose potential problems with a given domain.

You can bookmark this utility as diag.domains.

Transfer schulwiki.de to Simply.com

Global nameservers

Google Public DNS

shades13.rzone.de (2020050852, TTL: 150)

Cloudflare DNS

shades13.rzone.de (2020050852, TTL: 150)

Quad9

shades13.rzone.de (2020050852, TTL: 150)

ns1.simply.com

DNS request failed: The name server refuses to perform the specified operation for policy reasons.

ns2.simply.com

DNS request failed: The name server refuses to perform the specified operation for policy reasons.

ns3.simply.com

DNS request failed: The name server refuses to perform the specified operation for policy reasons.

External tests

DNS zone As seen by Google Public DNS

Webservers

schulwiki.de
Host Target Reverse
schulwiki.de 81.169.145.68 w04.rzone.de
schulwiki.de AAAA 2a01:238:20a:202:1068:0:0:0 w04.rzone.de
www.schulwiki.de
Host Target Reverse
www.schulwiki.de CNAME schulwiki.de -
schulwiki.de 81.169.145.68 w04.rzone.de
www.schulwiki.de CNAME schulwiki.de -
schulwiki.de AAAA 2a01:238:20a:202:1068:0:0:0 w04.rzone.de

Inbound mail

Host # Target IP Reverse
schulwiki.de 5 smtpin.rzone.de 81.169.145.97 smtpin.rzone.de

Outbound mail

SPF record

SPF issue: No SPF record found

DKIM records

Simply.com DKIM records not found
Name Value

DMARC record

Name Value
_dmarc.schulwiki.de v=DMARC1;p=reject;

TXT records

Name Value
schulwiki.de google-site-verification=Ml7S29L9zz4dBAtsfikGPF-nURxm1tejRx_17oZ-Df0

Nameservers

Host Nameserver
schulwiki.de shades13.rzone.de
schulwiki.de docks19.rzone.de

WHOIS

% Restricted rights.
% 
% Terms and Conditions of Use
% 
% The above data may only be used within the scope of technical or
% administrative necessities of Internet operation or to remedy legal
% problems.
% The use for other purposes, in particular for advertising, is not permitted.
% 
% The DENIC whois service on port 43 doesn't disclose any information concerning
% the domain holder, general request and abuse contact.
% This information can be obtained through use of our web-based whois service
% available at the DENIC website:
% http://www.denic.de/en/domains/whois-service/web-whois.html
% 
% 

Domain: schulwiki.de
Nserver: docks19.rzone.de
Nserver: shades13.rzone.de
Status: connect
Changed: 2023-11-27T20:01:36+01:00

WHOIS result is cached for 15 minutes

RDAP

Unable to get RDAP data.

RDAP result is cached for 15 minutes

HTTP trace

1
http://schulwiki.de
HTTP 301
81.169.145.68
Namelookup
50 ms
Connect
71 ms
Pre-transfer
71 ms
Start-transfer (TTFB)
93 ms
HTTP/1.1 301 Moved Permanently
Date: Tue, 27 Jan 2026 14:04:36 GMT
Server: Apache/2.4.66 (Unix)
Location: https://schulwiki.de/
Content-Length: 269
Content-Type: text/html; charset=iso-8859-1
2
https://schulwiki.de/
HTTP 301
81.169.145.68
Namelookup
45 ms
Connect
66 ms
App connect
97 ms
Pre-transfer
97 ms
Start-transfer (TTFB)
210 ms
HTTP/1.1 301 Moved Permanently
Date: Tue, 27 Jan 2026 14:04:36 GMT
Server: Apache/2.4.66 (Unix)
X-Powered-By: PHP/8.4.17
X-Content-Type-Options: nosniff
Vary: Accept-Encoding,Cookie,User-Agent
Expires: Thu, 01 Jan 1970 00:00:00 GMT
Cache-Control: private, must-revalidate, max-age=0
Last-Modified: Tue, 27 Jan 2026 14:04:36 GMT
X-Request-Id: aXjF9JpJ5tnUdt6KOIICxwAACg8
Location: http://schulwiki.de/wiki/Hauptseite
Content-Type: text/html; charset=UTF-8
Content-Length: 0
3
http://schulwiki.de/wiki/Hauptseite
HTTP 301
81.169.145.68
Namelookup
0 ms
Connect
0 ms
Pre-transfer
0 ms
Start-transfer (TTFB)
22 ms
HTTP/1.1 301 Moved Permanently
Date: Tue, 27 Jan 2026 14:04:36 GMT
Server: Apache/2.4.66 (Unix)
Location: https://schulwiki.de/wiki/Hauptseite
Content-Length: 284
Content-Type: text/html; charset=iso-8859-1
4
https://schulwiki.de/wiki/Hauptseite
HTTP 200
81.169.145.68
Namelookup
0 ms
Connect
0 ms
App connect
0 ms
Pre-transfer
0 ms
Start-transfer (TTFB)
475 ms
HTTP/1.1 200 OK
Date: Tue, 27 Jan 2026 14:04:36 GMT
Server: Apache/2.4.66 (Unix)
X-Powered-By: PHP/8.4.17
X-Content-Type-Options: nosniff
Content-language: de
Vary: Accept-Encoding,Cookie,User-Agent
Expires: Thu, 01 Jan 1970 00:00:00 GMT
Cache-Control: no-cache, no-store, max-age=0, must-revalidate
Pragma: no-cache
X-Request-Id: aXjF9N7frKyjQ5LCt1jt3QAABPw
Content-Length: 24231
Content-Type: text/html; charset=UTF-8