Check DNS, Urls + Redirects, Certificates and Content of your Website

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skip Content-Check

check links

wrong Web-Response

Checked:
03.04.2026 21:09:25

Older results

V - 02.04.2026 23:11:41

1. IP-Addresses

Host	Type	IP-Address	is auth.	∑ Queries	∑ Timeout
192.81.218.242	A	192.81.218.242 North Bergen/New Jersey/United States (US) - DigitalOcean, LLC Hostname: pdf.dermconcord.com	yes

2. DNSSEC

No DNSSEC - Informations found

3. Name Servers

No Nameserver entries found

4. SOA-Entries

No SOA entries found

5. Screenshots

No Screenshot listed, because no url-check with https + http status 200-299, 400-599 + not-ACME-check found.

6. Url-Checks

show header:

Domainname	Http-Status	redirect	Sec.	G
• http://192.81.218.242/ 192.81.218.242	-110		0.780	W
ResponseEnded (10, 0x80131620). An error occurred while sending the request.

• https://192.81.218.242/ 192.81.218.242	-103		0.216	P
SecureConnectionError (3, 0x80131501). The SSL connection could not be established, see inner exception. Authentication failed because the remote party sent a TLS alert: '112' (FF: SSL_ERROR_UNRECOGNIZED_NAME_ALERT)

• http://192.81.218.242/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de 192.81.218.242 gzip used - 111 / 150 - 26.00 % Inline-JavaScript (∑/total): 0/0 Inline-CSS (∑/total): 0/0	404	Html is minified: 110.29 % Other inline scripts (∑/total): 0/0	0.183	A
Not Found
Visible Content:
Server: openresty
Date: Fri, 03 Apr 2026 19:09:31 GMT
Transfer-Encoding: chunked
Connection: keep-alive
Content-Type: text/html
Content-Encoding: gzip
Content-Length: 111

• https://192.81.218.242/ 192.81.218.242	-103		0.213	P
SecureConnectionError (3, 0x80131501). The SSL connection could not be established, see inner exception. Authentication failed because the remote party sent a TLS alert: '112' (FF: SSL_ERROR_UNRECOGNIZED_NAME_ALERT)

7. Comments

	1. General Results, most used to calculate the result
A	name "192.81.218.242" is ipv4 address, public suffix is not defined
A	Good: All ip addresses are public addresses
A	Good: No cookie sent via http.
A	Good: Some urls with http status 200/404 have a complete Content-Type header (MediaType / MediaSubType + correct charset):0 complete Content-Type - header (1 urls)
	http://192.81.218.242/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de 192.81.218.242	Url with incomplete Content-Type - header - missing charset
C	Error - no version with Http-Status 200
H	Fatal error: No https - result with http-status 200, no encryption
B	No _mta-sts TXT record found (mta-sts: Mail Transfer Agent Strict Transport Security - see RFC 8461). Read the result of server-daten.de (Url-Checks, Comments, Connections and DomainServiceRecords) to see a complete definition. Domainname: _mta-sts.192.81.218.242
	2. Header-Checks
U		No https result with http status 2 or 4 (standard-check) found, no header checked.
	3. DNS- and NameServer - Checks
	4. Content- and Performance-critical Checks
A	Good: All checks /.well-known/acme-challenge/random-filename without redirects answer with the expected http status 404 - Not Found. Creating a Letsencrypt certificate via http-01 challenge should work. If it doesn't work: Check your vHost configuration (apachectl -S, httpd -S, nginx -T). Every combination of port and ServerName / ServerAlias (Apache) or Server (Nginx) must be unique. Merge duplicated entries in one vHost. If you use an IIS, extensionless files must be allowed in the /.well-known/acme-challenge subdirectory. Create a web.config in that directory. Content: <configuration><system.webServer><staticContent><mimeMap fileExtension="." mimeType="text/plain" /></staticContent></system.webServer></configuration>. If you have a redirect http ⇒ https, that's ok, Letsencrypt follows such redirects to port 80 / 443 (same or other server). There must be a certificate. But the certificate may be expired, self signed or with a not matching domain name. Checking the validation file Letsencrypt ignores such certificate errors. Trouble creating a certificate? Use https://community.letsencrypt.org/ to ask.
A	Info: No img element found, no alt attribute checked
A	Duration: 6684 milliseconds, 6.684 seconds

8. Connections

No connection informations found. Perhaps only http - connections.

9. Certificates

No certificate informations found. Perhaps only http - connections.

10. Last Certificates - Certificate Transparency Log Check

1. Source CertSpotter - active certificates (one check per day)

No CertSpotter - CT-Log entries found

2. Source crt.sh - old and new certificates, sometimes very slow - only certificates with "not after" > of the last months are listed

No CRT - CT-Log entries found

11. Html-Content - Entries

No Html-Content entries found. Only checked if https + status 200/401/403/404

12. Html-Parsing via https://validator.w3.org/nu/

No https result http status 200 and Content-Type text/html or text/xml found, no Html-Parsing - Check

13. Nameserver - IP-Adresses

Required Root-climbing DNS-Queries to find ip addresses of all Name Servers:

No NameServer - IP address - Informations found

14. CAA - Entries

No CAA entries found

15. TXT - Entries

No TXT entries found

16. DomainService - Entries

No DomainServiceEntries entries found

17. Cipher Suites

No results

18. Portchecks

No open Ports <> 80 / 443 found, so no additional Ports checked.

Permalink: https://check-your-website.server-daten.de/?i=aa693fdd-69a1-41f6-97e4-00d5e98169bd

Last Result: https://check-your-website.server-daten.de/?q=192.81.218.242 - 2026-04-03 21:09:25

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