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




X

DNS-problem - authoritative Nameserver refused, not defined or timeout

Checked:
07.11.2019 20:40:24


Older results


1. IP-Addresses

HostTIP-Addressis auth.∑ Queries∑ Timeout
gazdikovci.duckdns.org
A
95.105.229.44
Bratislava/Slovakia (SK) - Orange Slovensko a.s.
Hostname: 95-105-229-44.dynamic.orange.sk
yes
1
0

AAAA

yes


www.gazdikovci.duckdns.org
A
95.105.229.44
Bratislava/Slovakia (SK) - Orange Slovensko a.s.
Hostname: 95-105-229-44.dynamic.orange.sk
yes
1
0

AAAA

yes



2. DNSSEC

Zone (*)DNSSEC - Informations (beta)

Zone: (root)
(root)
1 DS RR published



Status: Valid because published



2 DNSKEY RR found



Public Key with Algorithm 8, KeyTag 20326, Flags 257 (SEP = Secure Entry Point)



Public Key with Algorithm 8, KeyTag 22545, Flags 256



1 RRSIG RR to validate DNSKEY RR found



Algorithm: 8, 0 Labels, original TTL: 172800 sec, Signature-expiration: 21.11.2019, 00:00:00, Signature-Inception: 31.10.2019, 00:00:00, KeyTag 20326, Signer-Name: (root)



Status: Good - Algorithmus 8 and DNSKEY with KeyTag 20326 used to validate the DNSKEY RRSet



Status: Valid Chain of trust. Parent-DS with Algorithm 8, KeyTag 20326, DigestType 2 and Digest "4G1EuAuPHTmpXAsNfGXQhFjogECbvGg0VxBCN8f47I0=" validates local Key with the same values, Key ist Secure Entry Point (SEP) of the zone

Zone: org
org
2 DS RR in the parent zone found



1 RRSIG RR to validate DS RR found



Algorithm: 8, 1 Labels, original TTL: 86400 sec, Signature-expiration: 20.11.2019, 17:00:00, Signature-Inception: 07.11.2019, 16:00:00, KeyTag 22545, Signer-Name: (root)



Status: Good - Algorithmus 8 and DNSKEY with KeyTag 22545 used to validate the DS RRSet in the parent zone



4 DNSKEY RR found



Public Key with Algorithm 7, KeyTag 9795, Flags 257 (SEP = Secure Entry Point)



Public Key with Algorithm 7, KeyTag 11324, Flags 256



Public Key with Algorithm 7, KeyTag 17883, Flags 257 (SEP = Secure Entry Point)



Public Key with Algorithm 7, KeyTag 36752, Flags 256



3 RRSIG RR to validate DNSKEY RR found



Algorithm: 7, 1 Labels, original TTL: 900 sec, Signature-expiration: 22.11.2019, 15:23:40, Signature-Inception: 01.11.2019, 14:23:40, KeyTag 9795, Signer-Name: org



Algorithm: 7, 1 Labels, original TTL: 900 sec, Signature-expiration: 22.11.2019, 15:23:40, Signature-Inception: 01.11.2019, 14:23:40, KeyTag 11324, Signer-Name: org



Algorithm: 7, 1 Labels, original TTL: 900 sec, Signature-expiration: 22.11.2019, 15:23:40, Signature-Inception: 01.11.2019, 14:23:40, KeyTag 17883, Signer-Name: org



Status: Good - Algorithmus 7 and DNSKEY with KeyTag 9795 used to validate the DNSKEY RRSet



Status: Good - Algorithmus 7 and DNSKEY with KeyTag 11324 used to validate the DNSKEY RRSet



Status: Good - Algorithmus 7 and DNSKEY with KeyTag 17883 used to validate the DNSKEY RRSet



Status: Valid Chain of trust. Parent-DS with Algorithm 7, KeyTag 9795, DigestType 1 and Digest "Nk36s9ryVMq0d7VnWxB2bdqiSYI=" validates local Key with the same values, Key ist Secure Entry Point (SEP) of the zone



Status: Valid Chain of trust. Parent-DS with Algorithm 7, KeyTag 9795, DigestType 2 and Digest "OSKzG286TqkrGet7UhIPAx/Y4F/wsDuvz5+JG/5/+OU=" validates local Key with the same values, Key ist Secure Entry Point (SEP) of the zone

Zone: duckdns.org
duckdns.org
0 DS RR in the parent zone found



DS-Query in the parent zone has a valid NSEC3 RR as result with the hashed domain name between the hashed NSEC3-owner and the hashed NextOwner. So the parent zone confirmes the non-existence of a DS RR.



0 DNSKEY RR found





Zone: gazdikovci.duckdns.org
gazdikovci.duckdns.org
0 DS RR in the parent zone found



0 DNSKEY RR found





Zone: www.gazdikovci.duckdns.org
www.gazdikovci.duckdns.org
0 DS RR in the parent zone found


3. Name Servers

DomainNameserverNS-IP
www.gazdikovci.duckdns.org
U  ns1.duckdns.org


U  ns2.duckdns.org


U  ns3.duckdns.org

gazdikovci.duckdns.org
U  ns1.duckdns.org
54.187.92.222
Portland/Oregon/United States (US) - Amazon Technologies Inc.


U  ns2.duckdns.org
54.191.117.119
Portland/Oregon/United States (US) - Amazon Technologies Inc.


U  ns3.duckdns.org
52.26.169.94
Portland/Oregon/United States (US) - Amazon.com, Inc.

duckdns.org
U  ns1.duckdns.org


U  ns2.duckdns.org


U  ns3.duckdns.org

org
  a0.org.afilias-nst.info / ns000b.app26.mia2.afilias-nst.info


  a2.org.afilias-nst.info / 2.ber.pch


  b0.org.afilias-nst.org / ns000b.app9.ams2.afilias-nst.info


  b2.org.afilias-nst.org / 4.fra.pch


  c0.org.afilias-nst.info / ns000b.app11.ams2.afilias-nst.info


  d0.org.afilias-nst.org / app29.iad1.hosts.meta.redstone.afilias-nst.info-2


4. SOA-Entries


Domain:org
Primary:a0.org.afilias-nst.info
Mail:noc.afilias-nst.info
Serial:2013695159
Refresh:1800
Retry:900
Expire:604800
TTL:86400
num Entries:6


Domain:duckdns.org
Primary:ns1.duckdns.org
Mail:hostmaster.duckdns.org
Serial:2019170803
Refresh:6000
Retry:120
Expire:2419200
TTL:600
num Entries:1


Domain:duckdns.org
Primary:ns2.duckdns.org
Mail:hostmaster.duckdns.org
Serial:2019170803
Refresh:6000
Retry:120
Expire:2419200
TTL:600
num Entries:1


Domain:duckdns.org
Primary:ns3.duckdns.org
Mail:hostmaster.duckdns.org
Serial:2019170803
Refresh:6000
Retry:120
Expire:2419200
TTL:600
num Entries:1


Domain:gazdikovci.duckdns.org
Primary:ns1.duckdns.org
Mail:hostmaster.duckdns.org
Serial:2019170803
Refresh:6000
Retry:120
Expire:2419200
TTL:600
num Entries:1


Domain:gazdikovci.duckdns.org
Primary:ns2.duckdns.org
Mail:hostmaster.duckdns.org
Serial:2019170803
Refresh:6000
Retry:120
Expire:2419200
TTL:600
num Entries:1


Domain:gazdikovci.duckdns.org
Primary:ns3.duckdns.org
Mail:hostmaster.duckdns.org
Serial:2019170803
Refresh:6000
Retry:120
Expire:2419200
TTL:600
num Entries:1


Domain:www.gazdikovci.duckdns.org
Primary:ns1.duckdns.org
Mail:hostmaster.duckdns.org
Serial:2019170803
Refresh:6000
Retry:120
Expire:2419200
TTL:600
num Entries:1


Domain:www.gazdikovci.duckdns.org
Primary:ns2.duckdns.org
Mail:hostmaster.duckdns.org
Serial:2019170803
Refresh:6000
Retry:120
Expire:2419200
TTL:600
num Entries:1


Domain:www.gazdikovci.duckdns.org
Primary:ns3.duckdns.org
Mail:hostmaster.duckdns.org
Serial:2019170803
Refresh:6000
Retry:120
Expire:2419200
TTL:600
num Entries:1


5. Url-Checks


:

:
Domainname Http-StatusredirectSec.G
• http://gazdikovci.duckdns.org/
95.105.229.44
302
http://gazdikovci.duckdns.org/en_US/
Html is minified: 100.45 %
0.156
D
Content-Type: text/html; charset=utf-8
Content-Length: 221
Location: http://gazdikovci.duckdns.org/en_US/
Set-Cookie: session_id=e60c28e1c05fc282b6560f65041c9a855958c725; Path=/; Domain=gazdikovci.duckdns.org; Expires=2020-02-05 20:42:48
Server: Werkzeug/0.11.10 Python/2.7.12
Date: Thu, 07 Nov 2019 19:42:48 GMT

• http://www.gazdikovci.duckdns.org/
95.105.229.44
302
http://www.gazdikovci.duckdns.org/en_US/
Html is minified: 100.45 %
0.154
D
Content-Type: text/html; charset=utf-8
Content-Length: 221
Location: http://www.gazdikovci.duckdns.org/en_US/
Set-Cookie: session_id=cc0bb250dd325b3a2f143ccfcd4b6edd2978fd63; Path=/; Domain=www.gazdikovci.duckdns.org; Expires=2020-02-05 20:42:48
Server: Werkzeug/0.11.10 Python/2.7.12
Date: Thu, 07 Nov 2019 19:42:48 GMT

• http://gazdikovci.duckdns.org/en_US/

200

Html is minified: 196.33 %
0.660
H
Content-Type: text/html; charset=utf-8
Set-Cookie: session_id=5f34f266005336a2194df4784c2552801e59a860; Path=/; Domain=gazdikovci.duckdns.org; Expires=2020-02-05 20:43:10
Content-Length: 6053
Server: Werkzeug/0.11.10 Python/2.7.12
Date: Thu, 07 Nov 2019 19:43:10 GMT

• http://www.gazdikovci.duckdns.org/en_US/

200

Html is minified: 196.09 %
0.516
H
Content-Type: text/html; charset=utf-8
Set-Cookie: session_id=7b69d9f06e4590064fa5ce42f46ff2ff442fe72b; Path=/; Domain=www.gazdikovci.duckdns.org; Expires=2020-02-05 20:43:10
Content-Length: 6061
Server: Werkzeug/0.11.10 Python/2.7.12
Date: Thu, 07 Nov 2019 19:43:10 GMT

• https://gazdikovci.duckdns.org/
95.105.229.44
-14

10.007
T
Timeout - The operation has timed out

• https://www.gazdikovci.duckdns.org/
95.105.229.44
-14

10.030
T
Timeout - The operation has timed out

• http://gazdikovci.duckdns.org/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de
95.105.229.44
Inline-JavaScript (∑/total): 0/0 Inline-CSS (∑/total): 0/0
404

Html is minified: 194.74 %
0.420
A
NOT FOUND
Visible Content: Toggle navigation Home Contact us Sign in 404: Page not found! The page you were looking for could not be found; it is possible you have typed the address incorrectly, but it has most probably been removed due to the recent website reorganisation. Maybe you were looking for one of these popular pages ? Homepage Contact Us Our products & Services Home Connect with us Contact us info@predu.sk predu - About us We are a team of passionate people whose goal is to improve everyone's life through disruptive products. We build great products to solve your business problems. Our products are designed for small to medium size companies willing to optimize their performance. Create a free website with Odoo Copyright © predu
Content-Type: text/html;charset=utf-8
Content-Length: 6148
Set-Cookie: session_id=a30fc17df19bbe25a0144f8f2da3d2323e0ceb1e; Path=/; Domain=gazdikovci.duckdns.org; Expires=2020-02-05 20:43:08
Server: Werkzeug/0.11.10 Python/2.7.12
Date: Thu, 07 Nov 2019 19:43:08 GMT

• http://www.gazdikovci.duckdns.org/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de
95.105.229.44
Inline-JavaScript (∑/total): 0/0 Inline-CSS (∑/total): 0/0
404

Html is minified: 194.74 %
0.437
A
NOT FOUND
Visible Content: Toggle navigation Home Contact us Sign in 404: Page not found! The page you were looking for could not be found; it is possible you have typed the address incorrectly, but it has most probably been removed due to the recent website reorganisation. Maybe you were looking for one of these popular pages ? Homepage Contact Us Our products & Services Home Connect with us Contact us info@predu.sk predu - About us We are a team of passionate people whose goal is to improve everyone's life through disruptive products. We build great products to solve your business problems. Our products are designed for small to medium size companies willing to optimize their performance. Create a free website with Odoo Copyright © predu
Content-Type: text/html;charset=utf-8
Content-Length: 6148
Set-Cookie: session_id=e9481a600a112320abca6749d7b856cf8868779f; Path=/; Domain=www.gazdikovci.duckdns.org; Expires=2020-02-05 20:43:09
Server: Werkzeug/0.11.10 Python/2.7.12
Date: Thu, 07 Nov 2019 19:43:09 GMT

6. Comments (GZip / Html minfied / Cache-Control is beta)

Aname "gazdikovci.duckdns.org" is domain, public suffix is "duckdns.org", top-level-domain-type is "generic", tld-manager is "Public Interest Registry (PIR)"
Agood: All ip addresses are public addresses
HSTS-Preload-Status: unknown. Domain never included in the Preload-list. Check https://hstspreload.org/ to learn some basics about the Google-Preload-List.
AGood: All urls with http status 200/404 have a complete Content-Type header (MediaType / MediaSubType + correct charset)
CError - more then one version with Http-Status 200. After all redirects, all users (and search engines) should see the same https url: Non-www or www, but not both with http status 200.
Dhttp://gazdikovci.duckdns.org/ 95.105.229.44
302
http://gazdikovci.duckdns.org/en_US/
Wrong redirect one domain http to other domain http. First redirect to https without changing the domain, so no new dns query is required. So the server can send the HSTS header. That's fundamental using HSTS (Http Strict Transport Security). First step: Add correct redirects http ⇒ https. Perhaps in your port 80 vHost something like "RewriteEngine on" + "RewriteRule ^ https://%{SERVER_NAME}%{REQUEST_URI} [END,QSA,R=permanent]" (two rows, without the "). Don't add this in your port 443 vHost, that would create a loop. Then recheck your domain, should be Grade C. There is the rule to select one https version as preferred version.
Dhttp://www.gazdikovci.duckdns.org/ 95.105.229.44
302
http://www.gazdikovci.duckdns.org/en_US/
Wrong redirect one domain http to other domain http. First redirect to https without changing the domain, so no new dns query is required. So the server can send the HSTS header. That's fundamental using HSTS (Http Strict Transport Security). First step: Add correct redirects http ⇒ https. Perhaps in your port 80 vHost something like "RewriteEngine on" + "RewriteRule ^ https://%{SERVER_NAME}%{REQUEST_URI} [END,QSA,R=permanent]" (two rows, without the "). Don't add this in your port 443 vHost, that would create a loop. Then recheck your domain, should be Grade C. There is the rule to select one https version as preferred version.
Hfatal error: No https - result with http-status 200, no encryption
HFatal error: http result with http-status 200, no encryption. Add a redirect http ⇒ https, so every connection is secure. Perhaps in your port 80 vHost something like "RewriteEngine on" + "RewriteRule ^ https://%{SERVER_NAME}%{REQUEST_URI} [END,QSA,R=permanent]" (two rows, without the "). Don't add this in your port 443 vHost, that would create a loop.
Ihttp://gazdikovci.duckdns.org/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de 95.105.229.44
404

Content problems or problems with resources included - http links, files doesn't exist, different Content-Type definitions. Not used to calculate the result because it's a http or /.well-known/acme-challenge - check. But listet so you should fix it.
Ihttp://www.gazdikovci.duckdns.org/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de 95.105.229.44
404

Content problems or problems with resources included - http links, files doesn't exist, different Content-Type definitions. Not used to calculate the result because it's a http or /.well-known/acme-challenge - check. But listet so you should fix it.
XFatal error: Nameserver isn't defined or has timeout
XFatal error: Nameserver doesn't support TCP connection: ns1.duckdns.org: Fatal error - no NameServer IP-Address or connection. Details: One or more errors occurred. - Es konnte keine Verbindung hergestellt werden, da der Zielcomputer die Verbindung verweigerte 54.187.92.222:53
XFatal error: Nameserver doesn't support TCP connection: ns1.duckdns.org / 54.187.92.222: Fatal error - no NameServer IP-Address or connection. Details: One or more errors occurred. - Es konnte keine Verbindung hergestellt werden, da der Zielcomputer die Verbindung verweigerte 54.187.92.222:53
XFatal error: Nameserver doesn't support TCP connection: ns2.duckdns.org: Fatal error - no NameServer IP-Address or connection. Details: One or more errors occurred. - Es konnte keine Verbindung hergestellt werden, da der Zielcomputer die Verbindung verweigerte 54.191.117.119:53
XFatal error: Nameserver doesn't support TCP connection: ns2.duckdns.org / 54.191.117.119: Fatal error - no NameServer IP-Address or connection. Details: One or more errors occurred. - Es konnte keine Verbindung hergestellt werden, da der Zielcomputer die Verbindung verweigerte 54.191.117.119:53
XFatal error: Nameserver doesn't support TCP connection: ns3.duckdns.org: Fatal error - no NameServer IP-Address or connection. Details: One or more errors occurred. - Es konnte keine Verbindung hergestellt werden, da der Zielcomputer die Verbindung verweigerte 52.26.169.94:53
XFatal error: Nameserver doesn't support TCP connection: ns3.duckdns.org / 52.26.169.94: Fatal error - no NameServer IP-Address or connection. Details: One or more errors occurred. - Es konnte keine Verbindung hergestellt werden, da der Zielcomputer die Verbindung verweigerte 52.26.169.94:53
AGood: Nameserver supports Echo Capitalization: 3 good Nameserver
AGood: Nameserver supports EDNS with max. 512 Byte Udp payload, message is smaller: 3 good Nameserver
Nameserver doesn't pass all EDNS-Checks: ns1.duckdns.org: OP100: ok. FLAGS: ok. V1: SOA NOT expected, but found, BADVER expected, NOERR found, Version 0 expectend and found. V1OP100: SOA NOT expected, but found, BADVER expected, NOERR found, Version 0 expectend and found, no OPT100 expected, no OPT100 found. V1FLAGS: SOA NOT expected, but found, BADVER expected, NOERR found, Version 0 expectend and found. DNSSEC: ok. V1DNSSEC: SOA NOT expected, but found, BADVER expected, NOERR found, Version 0 expectend and found. NSID: ok. COOKIE: ok. CLIENTSUBNET: ok.
Nameserver doesn't pass all EDNS-Checks: ns1.duckdns.org: OP100: ok. FLAGS: ok. V1: SOA NOT expected, but found, BADVER expected, NOERR found, Version 0 expectend and found. V1OP100: SOA NOT expected, but found, BADVER expected, NOERR found, Version 0 expectend and found, no OPT100 expected, no OPT100 found. V1FLAGS: SOA NOT expected, but found, BADVER expected, NOERR found, Version 0 expectend and found. DNSSEC: ok. V1DNSSEC: SOA NOT expected, but found, BADVER expected, NOERR found, Version 0 expectend and found. NSID: ok. COOKIE: ok. CLIENTSUBNET: ok.
Nameserver doesn't pass all EDNS-Checks: ns1.duckdns.org / 54.187.92.222: OP100: ok. FLAGS: ok. V1: SOA NOT expected, but found, BADVER expected, NOERR found, Version 0 expectend and found. V1OP100: SOA NOT expected, but found, BADVER expected, NOERR found, Version 0 expectend and found, no OPT100 expected, no OPT100 found. V1FLAGS: SOA NOT expected, but found, BADVER expected, NOERR found, Version 0 expectend and found. DNSSEC: ok. V1DNSSEC: SOA NOT expected, but found, BADVER expected, NOERR found, Version 0 expectend and found. NSID: ok. COOKIE: ok. CLIENTSUBNET: ok.
Nameserver doesn't pass all EDNS-Checks: ns2.duckdns.org: OP100: ok. FLAGS: ok. V1: SOA NOT expected, but found, BADVER expected, NOERR found, Version 0 expectend and found. V1OP100: SOA NOT expected, but found, BADVER expected, NOERR found, Version 0 expectend and found, no OPT100 expected, no OPT100 found. V1FLAGS: SOA NOT expected, but found, BADVER expected, NOERR found, Version 0 expectend and found. DNSSEC: ok. V1DNSSEC: SOA NOT expected, but found, BADVER expected, NOERR found, Version 0 expectend and found. NSID: ok. COOKIE: ok. CLIENTSUBNET: ok.
Nameserver doesn't pass all EDNS-Checks: ns2.duckdns.org: OP100: ok. FLAGS: ok. V1: SOA NOT expected, but found, BADVER expected, NOERR found, Version 0 expectend and found. V1OP100: SOA NOT expected, but found, BADVER expected, NOERR found, Version 0 expectend and found, no OPT100 expected, no OPT100 found. V1FLAGS: SOA NOT expected, but found, BADVER expected, NOERR found, Version 0 expectend and found. DNSSEC: ok. V1DNSSEC: SOA NOT expected, but found, BADVER expected, NOERR found, Version 0 expectend and found. NSID: ok. COOKIE: ok. CLIENTSUBNET: ok.
Nameserver doesn't pass all EDNS-Checks: ns2.duckdns.org / 54.191.117.119: OP100: ok. FLAGS: ok. V1: SOA NOT expected, but found, BADVER expected, NOERR found, Version 0 expectend and found. V1OP100: SOA NOT expected, but found, BADVER expected, NOERR found, Version 0 expectend and found, no OPT100 expected, no OPT100 found. V1FLAGS: SOA NOT expected, but found, BADVER expected, NOERR found, Version 0 expectend and found. DNSSEC: ok. V1DNSSEC: SOA NOT expected, but found, BADVER expected, NOERR found, Version 0 expectend and found. NSID: ok. COOKIE: ok. CLIENTSUBNET: ok.
Nameserver doesn't pass all EDNS-Checks: ns3.duckdns.org: OP100: ok. FLAGS: ok. V1: SOA NOT expected, but found, BADVER expected, NOERR found, Version 0 expectend and found. V1OP100: SOA NOT expected, but found, BADVER expected, NOERR found, Version 0 expectend and found, no OPT100 expected, no OPT100 found. V1FLAGS: SOA NOT expected, but found, BADVER expected, NOERR found, Version 0 expectend and found. DNSSEC: ok. V1DNSSEC: SOA NOT expected, but found, BADVER expected, NOERR found, Version 0 expectend and found. NSID: ok. COOKIE: ok. CLIENTSUBNET: ok.
Nameserver doesn't pass all EDNS-Checks: ns3.duckdns.org: OP100: ok. FLAGS: ok. V1: SOA NOT expected, but found, BADVER expected, NOERR found, Version 0 expectend and found. V1OP100: SOA NOT expected, but found, BADVER expected, NOERR found, Version 0 expectend and found, no OPT100 expected, no OPT100 found. V1FLAGS: SOA NOT expected, but found, BADVER expected, NOERR found, Version 0 expectend and found. DNSSEC: ok. V1DNSSEC: SOA NOT expected, but found, BADVER expected, NOERR found, Version 0 expectend and found. NSID: ok. COOKIE: ok. CLIENTSUBNET: ok.
Nameserver doesn't pass all EDNS-Checks: ns3.duckdns.org / 52.26.169.94: OP100: ok. FLAGS: ok. V1: SOA NOT expected, but found, BADVER expected, NOERR found, Version 0 expectend and found. V1OP100: SOA NOT expected, but found, BADVER expected, NOERR found, Version 0 expectend and found, no OPT100 expected, no OPT100 found. V1FLAGS: SOA NOT expected, but found, BADVER expected, NOERR found, Version 0 expectend and found. DNSSEC: ok. V1DNSSEC: SOA NOT expected, but found, BADVER expected, NOERR found, Version 0 expectend and found. NSID: ok. COOKIE: ok. CLIENTSUBNET: ok.
AGood: All SOA have the same Serial Number
AGood: Consistency between delegation and zone. The set of NS records served by the authoritative name servers must match those proposed for the delegation in the parent zone. Ordered list of name servers: ns1.duckdns.org,ns2.duckdns.org,ns3.duckdns.org
Warning: No CAA entry with issue/issuewild found, every CAA can create a certificate. Read https://en.wikipedia.org/wiki/DNS_Certification_Authority_Authorization to learn some basics about the idea of CAA. Your name server must support such an entry. Not all dns providers support CAA entries.
AGood: 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.
Warning: CSS / JavaScript files with a missing or too short Cache-Control header found. Browsers should cache and re-use these files. 8 external CSS / JavaScript files without Cache-Control-Header, 0 with Cache-Control, but no max-age, 0 with Cache-Control max-age too short (minimum 7 days), 0 with Cache-Control long enough, 8 complete.
Warning: Images with a missing or too short Cache-Control header found. Browsers should cache and re-use these files. 2 image files without Cache-Control-Header, 0 with Cache-Control, but no max-age, 0 with Cache-Control max-age too short (minimum 7 days), 0 with Cache-Control long enough, 2 complete.
AGood: Domainname is not on the "Specially Designated Nationals And Blocked Persons List" (SDN). That's an US-list of individuals and companies owned or controlled by, or acting for or on behalf of, targeted countries. It also lists individuals, groups, and entities, such as terrorists and narcotics traffickers designated under programs that are not country-specific. Collectively, such individuals and companies are called "Specially Designated Nationals" or "SDNs." Their assets are blocked and U.S. persons are generally prohibited from dealing with them. So if a domain name is on that list, it's impossible to create a Letsencrypt certificate with that domain name. Check the list manual - https://www.treasury.gov/resource-center/sanctions/sdn-list/pages/default.aspx
ADuration: 272897 milliseconds, 272.897 seconds


7. Connections (http/2- and additional Tls.1.0/1.1/1.2 checks are BETA)

No connection informations found. Perhaps only http - connections.


8. Certificates

No certificate informations found. Perhaps only http - connections.


9. Last Certificates - Certificate Transparency Log Check

1. Source CertSpotter - active certificates

No CertSpotter - CT-Log entries found


2. Source crt.sh - old and new certificates, sometimes very slow.

Issuerlast 7 daysactivenum Certs
CN=Let's Encrypt Authority X3, O=Let's Encrypt, C=US
0 /0 new
0
1

CRT-IdIssuernot beforenot afterDomain namesLE-Duplicatenext LE
1124953874
CN=Let's Encrypt Authority X3, O=Let's Encrypt, C=US
2019-01-19 12:49:38
2019-04-19 12:49:38
gazdikovci.duckdns.org
1 entries



10. Html-Content - Entries

Summary

Subresource Integrity (SRI)
DomainnameHtmlElementrel/property∑ size∑ problems∑ int.∑ ext.∑ Origin poss.∑ SRI ParseErrors∑ SRI valid∑ SRI missing
http://gazdikovci.duckdns.org/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de
95.105.229.44
a

11

0







img

1

1
1
0





link
stylesheet
2

2
2
0





meta
other
4

0







script

2

2
2
0




http://www.gazdikovci.duckdns.org/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de
95.105.229.44
a

11

0







img

1

1
1
0





link
stylesheet
2

2
2
0





meta
other
4

0







script

2

2
2
0




Details (GZip part is BETA, may be wrong / incomplete)

DomainnameHtml-Elementname/equiv/ property/relhref/src/contentHttpStatusmsgStatus
http://gazdikovci.duckdns.org/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de
95.105.229.44
a

/en_us/


4
ok








a

/en_us/page/website.aboutus


1
ok








a

/en_us/page/website.contactus


2
ok








a

/en_us/page/website.contactus/


1
ok








a

/en_us/web/login


1
ok








a

http://www.odoo.com/page/website-builder


2
ok








img
src
/logo.png
-14
Timeout - The operation has timed out
1
Timeout - The operation has timed out








link
stylesheet
/web/css/web.assets_common/956c83f
-14
Timeout - The operation has timed out
1
Timeout - The operation has timed out








link
stylesheet
/web/css/website.assets_frontend/5da68ec
-14
Timeout - The operation has timed out
1
Timeout - The operation has timed out








meta

utf-8


1
ok








meta
description



1
ok








meta
keywords



1
ok








meta
viewport
initial-scale=1


1
ok








script
src
/web/js/web.assets_common/956c83f
-14
Timeout - The operation has timed out
1
Timeout - The operation has timed out








script
src
/web/js/website.assets_frontend/5da68ec
-14
Timeout - The operation has timed out
1
Timeout - The operation has timed out







http://www.gazdikovci.duckdns.org/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de
95.105.229.44
a

/en_us/


4
ok








a

/en_us/page/website.aboutus


1
ok








a

/en_us/page/website.contactus


2
ok








a

/en_us/page/website.contactus/


1
ok








a

/en_us/web/login


1
ok








a

http://www.odoo.com/page/website-builder


2
ok








img
src
/logo.png
-14
Timeout - The operation has timed out
1
Timeout - The operation has timed out








link
stylesheet
/web/css/web.assets_common/956c83f
-14
Timeout - The operation has timed out
1
Timeout - The operation has timed out








link
stylesheet
/web/css/website.assets_frontend/5da68ec
-14
Timeout - The operation has timed out
1
Timeout - The operation has timed out








meta

utf-8


1
ok








meta
description



1
ok








meta
keywords



1
ok








meta
viewport
initial-scale=1


1
ok








script
src
/web/js/web.assets_common/956c83f
-14
Timeout - The operation has timed out
1
Timeout - The operation has timed out








script
src
/web/js/website.assets_frontend/5da68ec
-14
Timeout - The operation has timed out
1
Timeout - The operation has timed out








11. CAA - Entries

DomainnameflagNameValue∑ Queries∑ Timeout
www.gazdikovci.duckdns.org



1
0
gazdikovci.duckdns.org



1
0
duckdns.org
0

no CAA entry found
1
0
org
0

no CAA entry found
1
0


12. TXT - Entries

DomainnameTXT EntryStatus∑ Queries∑ Timeout
gazdikovci.duckdns.org

ok
1
0
www.gazdikovci.duckdns.org

ok
1
0
_acme-challenge.gazdikovci.duckdns.org

missing entry or wrong length
1
0
_acme-challenge.www.gazdikovci.duckdns.org

missing entry or wrong length
1
0
_acme-challenge.gazdikovci.duckdns.org.gazdikovci.duckdns.org

perhaps wrong
1
0
_acme-challenge.www.gazdikovci.duckdns.org.gazdikovci.duckdns.org

perhaps wrong
1
0
_acme-challenge.www.gazdikovci.duckdns.org.www.gazdikovci.duckdns.org

perhaps wrong
1
0


13. Portchecks (BETA)

Domain or IPPortDescriptionResultAnswer
gazdikovci.duckdns.org
21
FTP



gazdikovci.duckdns.org
21
FTP



gazdikovci.duckdns.org
22
SSH



gazdikovci.duckdns.org
22
SSH



gazdikovci.duckdns.org
25
SMTP



gazdikovci.duckdns.org
25
SMTP



gazdikovci.duckdns.org
53
DNS



gazdikovci.duckdns.org
53
DNS



gazdikovci.duckdns.org
110
POP3



gazdikovci.duckdns.org
110
POP3



gazdikovci.duckdns.org
143
IMAP



gazdikovci.duckdns.org
143
IMAP



gazdikovci.duckdns.org
465
SMTP (encrypted)



gazdikovci.duckdns.org
465
SMTP (encrypted)



gazdikovci.duckdns.org
587
SMTP (encrypted, submission)



gazdikovci.duckdns.org
587
SMTP (encrypted, submission)



gazdikovci.duckdns.org
993
IMAP (encrypted)



gazdikovci.duckdns.org
993
IMAP (encrypted)



gazdikovci.duckdns.org
995
POP3 (encrypted)



gazdikovci.duckdns.org
995
POP3 (encrypted)



gazdikovci.duckdns.org
1433
MS SQL



gazdikovci.duckdns.org
1433
MS SQL



gazdikovci.duckdns.org
2082
cPanel (http)



gazdikovci.duckdns.org
2082
cPanel (http)



gazdikovci.duckdns.org
2083
cPanel (https)



gazdikovci.duckdns.org
2083
cPanel (https)



gazdikovci.duckdns.org
2086
WHM (http)



gazdikovci.duckdns.org
2086
WHM (http)



gazdikovci.duckdns.org
2087
WHM (https)



gazdikovci.duckdns.org
2087
WHM (https)



gazdikovci.duckdns.org
2089
cPanel Licensing



gazdikovci.duckdns.org
2089
cPanel Licensing



gazdikovci.duckdns.org
2095
cPanel Webmail (http)



gazdikovci.duckdns.org
2095
cPanel Webmail (http)



gazdikovci.duckdns.org
2096
cPanel Webmail (https)



gazdikovci.duckdns.org
2096
cPanel Webmail (https)



gazdikovci.duckdns.org
2222
DirectAdmin (http)



gazdikovci.duckdns.org
2222
DirectAdmin (http)



gazdikovci.duckdns.org
2222
DirectAdmin (https)



gazdikovci.duckdns.org
2222
DirectAdmin (https)



gazdikovci.duckdns.org
3306
mySql



gazdikovci.duckdns.org
3306
mySql



gazdikovci.duckdns.org
5224
Plesk Licensing



gazdikovci.duckdns.org
5224
Plesk Licensing



gazdikovci.duckdns.org
5432
PostgreSQL



gazdikovci.duckdns.org
5432
PostgreSQL



gazdikovci.duckdns.org
8080
Ookla Speedtest (http)



gazdikovci.duckdns.org
8080
Ookla Speedtest (http)



gazdikovci.duckdns.org
8080
Ookla Speedtest (https)



gazdikovci.duckdns.org
8080
Ookla Speedtest (https)



gazdikovci.duckdns.org
8083
VestaCP http



gazdikovci.duckdns.org
8083
VestaCP http



gazdikovci.duckdns.org
8083
VestaCP https



gazdikovci.duckdns.org
8083
VestaCP https



gazdikovci.duckdns.org
8443
Plesk Administration (https)



gazdikovci.duckdns.org
8443
Plesk Administration (https)



gazdikovci.duckdns.org
8447
Plesk Installer + Updates



gazdikovci.duckdns.org
8447
Plesk Installer + Updates



gazdikovci.duckdns.org
8880
Plesk Administration (http)



gazdikovci.duckdns.org
8880
Plesk Administration (http)



gazdikovci.duckdns.org
10000
Webmin (http)



gazdikovci.duckdns.org
10000
Webmin (http)



gazdikovci.duckdns.org
10000
Webmin (https)



gazdikovci.duckdns.org
10000
Webmin (https)



www.gazdikovci.duckdns.org
21
FTP



www.gazdikovci.duckdns.org
21
FTP



www.gazdikovci.duckdns.org
22
SSH



www.gazdikovci.duckdns.org
22
SSH



www.gazdikovci.duckdns.org
25
SMTP



www.gazdikovci.duckdns.org
25
SMTP



www.gazdikovci.duckdns.org
53
DNS



www.gazdikovci.duckdns.org
53
DNS



www.gazdikovci.duckdns.org
110
POP3



www.gazdikovci.duckdns.org
110
POP3



www.gazdikovci.duckdns.org
143
IMAP



www.gazdikovci.duckdns.org
143
IMAP



www.gazdikovci.duckdns.org
465
SMTP (encrypted)



www.gazdikovci.duckdns.org
465
SMTP (encrypted)



www.gazdikovci.duckdns.org
587
SMTP (encrypted, submission)



www.gazdikovci.duckdns.org
587
SMTP (encrypted, submission)



www.gazdikovci.duckdns.org
993
IMAP (encrypted)



www.gazdikovci.duckdns.org
993
IMAP (encrypted)



www.gazdikovci.duckdns.org
995
POP3 (encrypted)



www.gazdikovci.duckdns.org
995
POP3 (encrypted)



www.gazdikovci.duckdns.org
1433
MS SQL



www.gazdikovci.duckdns.org
1433
MS SQL



www.gazdikovci.duckdns.org
2082
cPanel (http)



www.gazdikovci.duckdns.org
2082
cPanel (http)



www.gazdikovci.duckdns.org
2083
cPanel (https)



www.gazdikovci.duckdns.org
2083
cPanel (https)



www.gazdikovci.duckdns.org
2086
WHM (http)



www.gazdikovci.duckdns.org
2086
WHM (http)



www.gazdikovci.duckdns.org
2087
WHM (https)



www.gazdikovci.duckdns.org
2087
WHM (https)



www.gazdikovci.duckdns.org
2089
cPanel Licensing



www.gazdikovci.duckdns.org
2089
cPanel Licensing



www.gazdikovci.duckdns.org
2095
cPanel Webmail (http)



www.gazdikovci.duckdns.org
2095
cPanel Webmail (http)



www.gazdikovci.duckdns.org
2096
cPanel Webmail (https)



www.gazdikovci.duckdns.org
2096
cPanel Webmail (https)



www.gazdikovci.duckdns.org
2222
DirectAdmin (http)



www.gazdikovci.duckdns.org
2222
DirectAdmin (http)



www.gazdikovci.duckdns.org
2222
DirectAdmin (https)



www.gazdikovci.duckdns.org
2222
DirectAdmin (https)



www.gazdikovci.duckdns.org
3306
mySql



www.gazdikovci.duckdns.org
3306
mySql



www.gazdikovci.duckdns.org
5224
Plesk Licensing



www.gazdikovci.duckdns.org
5224
Plesk Licensing



www.gazdikovci.duckdns.org
5432
PostgreSQL



www.gazdikovci.duckdns.org
5432
PostgreSQL



www.gazdikovci.duckdns.org
8080
Ookla Speedtest (http)



www.gazdikovci.duckdns.org
8080
Ookla Speedtest (http)



www.gazdikovci.duckdns.org
8080
Ookla Speedtest (https)



www.gazdikovci.duckdns.org
8080
Ookla Speedtest (https)



www.gazdikovci.duckdns.org
8083
VestaCP http



www.gazdikovci.duckdns.org
8083
VestaCP http



www.gazdikovci.duckdns.org
8083
VestaCP https



www.gazdikovci.duckdns.org
8083
VestaCP https



www.gazdikovci.duckdns.org
8443
Plesk Administration (https)



www.gazdikovci.duckdns.org
8443
Plesk Administration (https)



www.gazdikovci.duckdns.org
8447
Plesk Installer + Updates



www.gazdikovci.duckdns.org
8447
Plesk Installer + Updates



www.gazdikovci.duckdns.org
8880
Plesk Administration (http)



www.gazdikovci.duckdns.org
8880
Plesk Administration (http)



www.gazdikovci.duckdns.org
10000
Webmin (http)



www.gazdikovci.duckdns.org
10000
Webmin (http)



www.gazdikovci.duckdns.org
10000
Webmin (https)



www.gazdikovci.duckdns.org
10000
Webmin (https)



95.105.229.44
21
FTP



95.105.229.44
21
FTP



95.105.229.44
22
SSH



95.105.229.44
22
SSH



95.105.229.44
25
SMTP



95.105.229.44
25
SMTP



95.105.229.44
53
DNS



95.105.229.44
53
DNS



95.105.229.44
110
POP3



95.105.229.44
110
POP3



95.105.229.44
143
IMAP



95.105.229.44
143
IMAP



95.105.229.44
465
SMTP (encrypted)



95.105.229.44
465
SMTP (encrypted)



95.105.229.44
587
SMTP (encrypted, submission)



95.105.229.44
587
SMTP (encrypted, submission)



95.105.229.44
993
IMAP (encrypted)



95.105.229.44
993
IMAP (encrypted)



95.105.229.44
995
POP3 (encrypted)



95.105.229.44
995
POP3 (encrypted)



95.105.229.44
1433
MS SQL



95.105.229.44
1433
MS SQL



95.105.229.44
2082
cPanel (http)



95.105.229.44
2082
cPanel (http)



95.105.229.44
2083
cPanel (https)



95.105.229.44
2083
cPanel (https)



95.105.229.44
2086
WHM (http)



95.105.229.44
2086
WHM (http)



95.105.229.44
2087
WHM (https)



95.105.229.44
2087
WHM (https)



95.105.229.44
2089
cPanel Licensing



95.105.229.44
2089
cPanel Licensing



95.105.229.44
2095
cPanel Webmail (http)



95.105.229.44
2095
cPanel Webmail (http)



95.105.229.44
2096
cPanel Webmail (https)



95.105.229.44
2096
cPanel Webmail (https)



95.105.229.44
2222
DirectAdmin (http)



95.105.229.44
2222
DirectAdmin (http)



95.105.229.44
2222
DirectAdmin (https)



95.105.229.44
2222
DirectAdmin (https)



95.105.229.44
3306
mySql



95.105.229.44
3306
mySql



95.105.229.44
5224
Plesk Licensing



95.105.229.44
5224
Plesk Licensing



95.105.229.44
5432
PostgreSQL



95.105.229.44
5432
PostgreSQL



95.105.229.44
8080
Ookla Speedtest (http)



95.105.229.44
8080
Ookla Speedtest (http)



95.105.229.44
8080
Ookla Speedtest (https)



95.105.229.44
8080
Ookla Speedtest (https)



95.105.229.44
8083
VestaCP http



95.105.229.44
8083
VestaCP http



95.105.229.44
8083
VestaCP https



95.105.229.44
8083
VestaCP https



95.105.229.44
8443
Plesk Administration (https)



95.105.229.44
8443
Plesk Administration (https)



95.105.229.44
8447
Plesk Installer + Updates



95.105.229.44
8447
Plesk Installer + Updates



95.105.229.44
8880
Plesk Administration (http)



95.105.229.44
8880
Plesk Administration (http)



95.105.229.44
10000
Webmin (http)



95.105.229.44
10000
Webmin (http)



95.105.229.44
10000
Webmin (https)



95.105.229.44
10000
Webmin (https)





Permalink: https://check-your-website.server-daten.de/?i=4c552ea0-e408-43fc-8ed0-64ca1d38f738


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