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

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Connect failure - perhaps firewall

Checked:
18.01.2026 11:00:51

Older results

No older results found

1. IP-Addresses

Host	Type	IP-Address	is auth.	∑ Queries	∑ Timeout
38.47.116.38	A	38.47.116.38 Los Angeles/California/United States (US) - NetLab Global No Hostname found	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

Domainname	Http-Status	Sec.	G
• http://38.47.116.38/ 38.47.116.38	-102	1.523	V
ConnectionError (2, 0x80004005). Es konnte keine Verbindung hergestellt werden, da der Zielcomputer die Verbindung verweigerte. (38.47.116.38:80)

• https://38.47.116.38/ 38.47.116.38	-102	1.523	V
ConnectionError (2, 0x80004005). Es konnte keine Verbindung hergestellt werden, da der Zielcomputer die Verbindung verweigerte. (38.47.116.38:443)

• http://38.47.116.38/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de 38.47.116.38	-102	1.530	V
ConnectionError (2, 0x80004005). Es konnte keine Verbindung hergestellt werden, da der Zielcomputer die Verbindung verweigerte. (38.47.116.38:80)
Visible Content:

• https://38.47.116.38/ 38.47.116.38	-102	1.503	V
ConnectionError (2, 0x80004005). Es konnte keine Verbindung hergestellt werden, da der Zielcomputer die Verbindung verweigerte. (38.47.116.38:443)

7. Comments

	1. General Results, most used to calculate the result
A	name "38.47.116.38" is ipv4 address, public suffix is not defined
A	Good: All ip addresses are public addresses
V	http://38.47.116.38/ 38.47.116.38	-102	Connect failure - perhaps firewall
V	https://38.47.116.38/ 38.47.116.38	-102	Connect failure - perhaps firewall
V	http://38.47.116.38/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de 38.47.116.38	-102	Connect failure - perhaps firewall
V	https://38.47.116.38/ 38.47.116.38	-102	Connect failure - perhaps firewall
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.38.47.116.38
	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
	http://38.47.116.38/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de 38.47.116.38	-102	Fatal: Check of /.well-known/acme-challenge/random-filename is blocked, http connection error. Creating a Letsencrypt certificate via http-01 challenge can't work. You need a running webserver (http) and an open port 80. If it's a home server + ipv4, perhaps a correct port forwarding port 80 extern ⇒ working port intern is required. Port 80 / http can redirect to another domain port 80 or port 443, but not other ports. If it's a home server, perhaps your ISP blocks port 80. Then you may use the dns-01 challenge. Trouble creating a certificate? Use https://community.letsencrypt.org/ to ask.
A	Info: No img element found, no alt attribute checked
A	Duration: 10750 milliseconds, 10.750 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=cc5edb86-2d8a-42be-95ad-039fe2f26659

Last Result: https://check-your-website.server-daten.de/?q=38.47.116.38 - 2026-01-18 11:00:51

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