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



V

Connect failure - perhaps firewall

Checked:
03.06.2020 19:46:57


Older results


1. IP-Addresses

HostTypeIP-Addressis auth.∑ Queries∑ Timeout
jitsi-feri.duckdns.org
A
164.8.22.210
Gornji Petrovci/Slovenia (SI) - UNI-MB
Hostname: grunzy.uni-mb.si
yes
1
0

AAAA

yes


www.jitsi-feri.duckdns.org
A
164.8.22.210
Gornji Petrovci/Slovenia (SI) - UNI-MB
Hostname: grunzy.uni-mb.si
yes
1
0

AAAA

yes


*.jitsi-feri.duckdns.org
A
164.8.22.210
yes



AAAA

yes



CNAME

yes



2. DNSSEC

Zone (*)DNSSEC - Informations

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 48903, Flags 256



1 RRSIG RR to validate DNSKEY RR found



RRSIG-Owner (root), Algorithm: 8, 0 Labels, original TTL: 172800 sec, Signature-expiration: 21.06.2020, 00:00:00 +, Signature-Inception: 31.05.2020, 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



RRSIG-Owner org., Algorithm: 8, 1 Labels, original TTL: 86400 sec, Signature-expiration: 16.06.2020, 17:00:00 +, Signature-Inception: 03.06.2020, 16:00:00 +, KeyTag 48903, Signer-Name: (root)



Status: Good - Algorithmus 8 and DNSKEY with KeyTag 48903 used to validate the DS RRSet in the parent zone



3 DNSKEY RR found



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



Public Key with Algorithm 7, KeyTag 27074, Flags 256



Public Key with Algorithm 7, KeyTag 62165, Flags 256



2 RRSIG RR to validate DNSKEY RR found



RRSIG-Owner org., Algorithm: 7, 1 Labels, original TTL: 900 sec, Signature-expiration: 22.06.2020, 15:24:38 +, Signature-Inception: 01.06.2020, 14:24:38 +, KeyTag 17883, Signer-Name: org



RRSIG-Owner org., Algorithm: 7, 1 Labels, original TTL: 900 sec, Signature-expiration: 22.06.2020, 15:24:38 +, Signature-Inception: 01.06.2020, 14:24:38 +, KeyTag 62165, Signer-Name: org



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



Status: Good - Algorithmus 7 and DNSKEY with KeyTag 62165 used to validate the DNSKEY RRSet



Status: Valid Chain of trust. Parent-DS with Algorithm 7, KeyTag 17883, DigestType 1 and Digest "OMXPk7Npx1V+BRX6qlcGDxv7EsE=" 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 17883, DigestType 2 and Digest "2InK15DwGXnoYNZie1j4WrVU4OSR/gZRXzVUjR605u4=" 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 query name "mnorhcks4b6fjob5ap1mrs7utmhf26bm" between the hashed NSEC3-owner "mnoq314vn5m775pq7osblqq7jdr6o56r" and the hashed NextOwner "mnpis27oa7d3n2t47lo6516sp4um1am4". So the parent zone confirmes the not-existence of a DS RR.
Bitmap: NS, DS, RRSIG Validated: RRSIG-Owner mnoq314vn5m775pq7osblqq7jdr6o56r.org., Algorithm: 7, 2 Labels, original TTL: 86400 sec, Signature-expiration: 22.06.2020, 15:24:38 +, Signature-Inception: 01.06.2020, 14:24:38 +, KeyTag 62165, Signer-Name: org



0 DNSKEY RR found




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



0 DNSKEY RR found




Zone: www.jitsi-feri.duckdns.org
www.jitsi-feri.duckdns.org
0 DS RR in the parent zone found


3. Name Servers

DomainNameserverNS-IP
www.jitsi-feri.duckdns.org
  ns1.duckdns.org


  ns2.duckdns.org


  ns3.duckdns.org

jitsi-feri.duckdns.org
  ns1.duckdns.org
54.187.92.222
Portland/Oregon/United States (US) - Amazon.com, Inc.


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


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

duckdns.org
  ns1.duckdns.org
54.187.92.222
Portland/Oregon/United States (US) - Amazon.com, Inc.


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


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

org
  a0.org.afilias-nst.info / ns000b.app21.ams2.afilias-nst.info


  a2.org.afilias-nst.info / 3.fra.pch


  b0.org.afilias-nst.org / ns000b.app21.ams2.afilias-nst.info


  b2.org.afilias-nst.org / 5.fra.pch


  c0.org.afilias-nst.info / app5.iad1.hosts.meta.redstone.afilias-nst.info-2


  d0.org.afilias-nst.org / ns000b.app5.ams2.afilias-nst.info


4. SOA-Entries


Domain:org
Zone-Name:org
Primary:a0.org.afilias-nst.info
Mail:noc.afilias-nst.info
Serial:2013956291
Refresh:1800
Retry:900
Expire:604800
TTL:86400
num Entries:6


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


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


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


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


5. Screenshots

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

6. Url-Checks


:

:
DomainnameHttp-StatusredirectSec.G
• http://jitsi-feri.duckdns.org/
164.8.22.210 GZip used - 384 / 612 - 37.25 %
200

Html is minified: 129.94 %
0.150
H
small visible content (num chars: 273)
Welcome to nginx! If you see this page, the nginx web server is successfully installed and working. Further configuration is required. For online documentation and support please refer to nginx.org . Commercial support is available at nginx.com . Thank you for using nginx.
Server: nginx/1.10.3
Date: Wed, 03 Jun 2020 17:58:30 GMT
Content-Type: text/html
Last-Modified: Mon, 25 May 2020 09:13:04 GMT
Transfer-Encoding: chunked
Connection: close
ETag: W/"5ecb8c20-264"
Content-Encoding: gzip

• http://www.jitsi-feri.duckdns.org/
164.8.22.210 GZip used - 384 / 612 - 37.25 %
200

Html is minified: 129.94 %
0.117
H
small visible content (num chars: 273)
Welcome to nginx! If you see this page, the nginx web server is successfully installed and working. Further configuration is required. For online documentation and support please refer to nginx.org . Commercial support is available at nginx.com . Thank you for using nginx.
Server: nginx/1.10.3
Date: Wed, 03 Jun 2020 17:58:30 GMT
Content-Type: text/html
Last-Modified: Mon, 25 May 2020 09:13:04 GMT
Transfer-Encoding: chunked
Connection: close
ETag: W/"5ecb8c20-264"
Content-Encoding: gzip

• https://jitsi-feri.duckdns.org/
164.8.22.210
-2

1.176
V
ConnectFailure - Unable to connect to the remote server

• https://www.jitsi-feri.duckdns.org/
164.8.22.210
-2

1.176
V
ConnectFailure - Unable to connect to the remote server

• http://jitsi-feri.duckdns.org/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de
164.8.22.210 GZip used - 132 / 169 - 21.89 %
Inline-JavaScript (∑/total): 0/0 Inline-CSS (∑/total): 0/0
404

Html is minified: 109.03 %
0.117
A
Not Found
Visible Content: 404 Not Found nginx/1.10.3
Server: nginx/1.10.3
Date: Wed, 03 Jun 2020 17:58:33 GMT
Content-Type: text/html
Transfer-Encoding: chunked
Connection: close
Content-Encoding: gzip

• http://www.jitsi-feri.duckdns.org/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de
164.8.22.210 GZip used - 132 / 169 - 21.89 %
Inline-JavaScript (∑/total): 0/0 Inline-CSS (∑/total): 0/0
404

Html is minified: 109.03 %
0.120
A
Not Found
Visible Content: 404 Not Found nginx/1.10.3
Server: nginx/1.10.3
Date: Wed, 03 Jun 2020 17:58:33 GMT
Content-Type: text/html
Transfer-Encoding: chunked
Connection: close
Content-Encoding: gzip

• https://164.8.22.210/
164.8.22.210
-2

1.173
V
ConnectFailure - Unable to connect to the remote server

7. Comments


1. General Results, most used to calculate the result

Aname "jitsi-feri.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
Warning: Only one ip address found: jitsi-feri.duckdns.org has only one ip address.
Warning: Only one ip address found: www.jitsi-feri.duckdns.org has only one ip address.
Warning: No ipv6 address found. Ipv6 is the future with a lot of new features. So every domain name should have an ipv6 address. See https://en.wikipedia.org/wiki/IPv6: jitsi-feri.duckdns.org has no ipv6 address.
Warning: No ipv6 address found. Ipv6 is the future with a lot of new features. So every domain name should have an ipv6 address. See https://en.wikipedia.org/wiki/IPv6: www.jitsi-feri.duckdns.org has no ipv6 address.
Agood: No asked Authoritative Name Server had a timeout
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: Some urls with http status 200/404 have a complete Content-Type header (MediaType / MediaSubType + correct charset):0 complete Content-Type - header (4 urls)
http://jitsi-feri.duckdns.org/ 164.8.22.210


Url with incomplete Content-Type - header - missing charset
http://www.jitsi-feri.duckdns.org/ 164.8.22.210


Url with incomplete Content-Type - header - missing charset
http://jitsi-feri.duckdns.org/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de 164.8.22.210


Url with incomplete Content-Type - header - missing charset
http://www.jitsi-feri.duckdns.org/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de 164.8.22.210


Url with incomplete Content-Type - header - missing 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.
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.
Njitsi-feri.duckdns.org:8443


Error - Certificate isn't trusted, RemoteCertificateNameMismatch, RemoteCertificateChainErrors
Nwww.jitsi-feri.duckdns.org:8443


Error - Certificate isn't trusted, RemoteCertificateNameMismatch, RemoteCertificateChainErrors
N164.8.22.210:8443


Error - Certificate isn't trusted, RemoteCertificateNameMismatch, RemoteCertificateChainErrors
Vhttps://jitsi-feri.duckdns.org/ 164.8.22.210
-2

connect failure - perhaps firewall
Vhttps://www.jitsi-feri.duckdns.org/ 164.8.22.210
-2

connect failure - perhaps firewall
Vhttps://164.8.22.210/ 164.8.22.210
-2

connect failure - perhaps firewall
XFatal error: Nameserver doesn't support TCP connection: ns1.duckdns.org: Timeout
XFatal error: Nameserver doesn't support TCP connection: ns1.duckdns.org / 54.187.92.222: Timeout
XFatal error: Nameserver doesn't support TCP connection: ns2.duckdns.org: Timeout
XFatal error: Nameserver doesn't support TCP connection: ns2.duckdns.org / 54.191.117.119: Timeout
XFatal error: Nameserver doesn't support TCP connection: ns3.duckdns.org: Timeout
XFatal error: Nameserver doesn't support TCP connection: ns3.duckdns.org / 52.26.169.94: Timeout
Info: Checking the ip addresses of that domain name not exact one certificate found. So it's impossible to check if that domain requires Server Name Indication (SNI).: Domain jitsi-feri.duckdns.org, 1 ip addresses.
Info: Checking the ip addresses of that domain name not exact one certificate found. So it's impossible to check if that domain requires Server Name Indication (SNI).: Domain www.jitsi-feri.duckdns.org, 1 ip addresses.

2. DNS- and NameServer - Checks

AInfo:: 2 Root-climbing DNS Queries required to find all IPv4- and IPv6-Addresses of 3 Name Servers.
AInfo:: 2 Queries complete, 2 with IPv6, 0 with IPv4.
AGood: All DNS Queries done via IPv6.
AGood: Some ip addresses of name servers found with the minimum of two DNS Queries. One to find the TLD-Zone, one to ask the TLD-Zone.ns1.duckdns.org (54.187.92.222), ns2.duckdns.org (54.191.117.119), ns3.duckdns.org (52.26.169.94)
AGood (1 - 3.0):: An average of 0.7 queries per domain name server required to find all ip addresses of all name servers.
AInfo:: 3 different Name Servers found: ns1.duckdns.org, ns2.duckdns.org, ns3.duckdns.org, 3 Name Servers included in Delegation: ns1.duckdns.org, ns2.duckdns.org, ns3.duckdns.org, 3 Name Servers included in 1 Zone definitions: ns1.duckdns.org, ns2.duckdns.org, ns3.duckdns.org, 3 Name Servers listed in SOA.Primary: ns1.duckdns.org, ns2.duckdns.org, ns3.duckdns.org.
Error: Different SOA.Primary Name Servers found, different SOA Definitions.: ns1.duckdns.org,ns2.duckdns.org,ns3.duckdns.org.
AGood: SOA.Primary Name Server included in the delegation set.: ns1.duckdns.org,ns2.duckdns.org,ns3.duckdns.org.
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
AGood: All Name Server Domain Names have a Public Suffix.
AGood: All Name Server Domain Names ending with a Public Suffix have minimal one IPv4- or IPv6 address.
AGood: All Name Server ip addresses are public.
AGood: Minimal 2 different name servers (public suffix and public ip address) found: 3 different Name Servers found
Warning: No Name Server IPv6 address found. IPv6 is the future, so your name servers should be visible via IPv6.: 3 different Name Servers found
Warning: All Name Servers have the same Top Level Domain / Public Suffix. If there is a problem with that Top Level Domain, your domain may be affected. Better: Use Name Servers with different top level domains.: 3 Name Servers, 1 Top Level Domain: duckdns.org
Warning: All Name Servers have the same domain name. If there is a problem with that domain name (or with the name servers of that domain name), your domain may be affected. Better: Use Name Servers with different domain names / different top level domains.: Only one domain name used:
Warning: All Name Servers from the same Country / IP location.: 3 Name Servers, 1 Countries: US
AInfo: Ipv4-Subnet-list: 3 Name Servers, 2 different subnets (first Byte): 52., 54., 3 different subnets (first two Bytes): 52.26., 54.187., 54.191., 3 different subnets (first three Bytes): 52.26.169., 54.187.92., 54.191.117.
AGood: Name Server IPv4-addresses from different subnet found:
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 / 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: 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 / 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: 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 / 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.
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
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.

3. Content- and Performance-critical Checks

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.
AInfo: No img element found, no alt attribute checked
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: 719227 milliseconds, 719.227 seconds


8. Connections

DomainIPPortCert.ProtocolKeyExchangeStrengthCipherStrengthHashAlgorithmOCSP stapling
Domain/KeyExchangeIP/StrengthPort/CipherCert./StrengthProtocol/HashAlgorithmOCSP stapling
jitsi-feri.duckdns.org
jitsi-feri.duckdns.org
8443
Certificate/chain invalid and wrong name
Tls12
ECDH Ephermal
256
Aes256
256
Sha384
error checking OCSP stapling
ok
jitsi-feri.duckdns.org
jitsi-feri.duckdns.org
8443
Certificate/chain invalid and wrong name
Tls12

ECDH Ephermal
256
Aes256
256
Sha384
error checking OCSP stapling
ok
http/2 via ALPN supported 
Tls.1.2
Tls.1.1
Tls.1.0
http/2 via ALPN supported
Tls.1.2
Tls.1.1
Tls.1.0
Self signed certificate
1CN=localhost


www.jitsi-feri.duckdns.org
www.jitsi-feri.duckdns.org
8443
Certificate/chain invalid and wrong name
Tls12
ECDH Ephermal
256
Aes256
256
Sha384
error checking OCSP stapling
ok

www.jitsi-feri.duckdns.org
www.jitsi-feri.duckdns.org
8443
Certificate/chain invalid and wrong name
Tls12

ECDH Ephermal
256
Aes256
256
Sha384
error checking OCSP stapling
ok
http/2 via ALPN supported 
Tls.1.2
Tls.1.1
Tls.1.0
http/2 via ALPN supported
Tls.1.2
Tls.1.1
Tls.1.0
Self signed certificate
1CN=localhost


164.8.22.210
164.8.22.210
8443
Certificate/chain invalid and wrong name
Tls12
ECDH Ephermal
256
Aes256
256
Sha384
error checking OCSP stapling
ok

164.8.22.210
164.8.22.210
8443
Certificate/chain invalid and wrong name
Tls12

ECDH Ephermal
256
Aes256
256
Sha384
error checking OCSP stapling
ok
http/2 via ALPN supported 
Tls.1.2
Tls.1.1
Tls.1.0
http/2 via ALPN supported
Tls.1.2
Tls.1.1
Tls.1.0
Self signed certificate
1CN=localhost


9. Certificates

1.
1.
CN=localhost
13.11.2019
10.11.2029
expires in 3382 days

1.
1.
CN=localhost
13.11.2019

10.11.2029
expires in 3382 days


KeyalgorithmRSA encryption (2048 bit)
Signatur:SHA256 With RSA-Encryption
Serial Number:00EAC4C873B833099E
Thumbprint:40AED64FBD4C1EDED11C71E4942447B8C1EE5559
SHA256 / Certificate:VjTaaj3NT0VThmv8tlZ+xTV4dp/WhZ6gO80ex2A1VWM=
SHA256 hex / Cert (DANE * 0 1):e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA256 hex / PublicKey (DANE * 1 1):ad62625be469c487d20e31c2f80de030ce568f12feb9d07ecb406dba39286b53
SHA256 hex / Subject Public Key Information (SPKI):6f527ee71fdfbec482a0f02fa505a35c84f8fb8b58f2e9add88824b768933bc6
SPKI checked via https://v1.pwnedkeys.com/spki-hash:Good: Key isn't compromised
OCSP - Url:
OCSP - must staple:no
Certificate Transparency:no
Enhanced Key Usage:

UntrustedRoot: A certificate chain processed, but terminated in a root certificate which is not trusted by the trust provider.


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" > 2019 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. Nameserver - IP-Adresses

Required Root-climbing DNS-Queries to find ip addresses of all Name Servers: ns1.duckdns.org, ns2.duckdns.org, ns3.duckdns.org

QNr.DomainTypeNS used
1
org
NS
k.root-servers.net (2001:7fd::1)

Answer: a0.org.afilias-nst.info, a2.org.afilias-nst.info, b0.org.afilias-nst.org, b2.org.afilias-nst.org, c0.org.afilias-nst.info, d0.org.afilias-nst.org
2
ns1.duckdns.org: 54.187.92.222
NS
a0.org.afilias-nst.info (2001:500:e::1)

Answer: ns2.duckdns.org
54.191.117.119

Answer: ns3.duckdns.org
52.26.169.94


13. CAA - Entries

DomainnameflagNameValue∑ Queries∑ Timeout
www.jitsi-feri.duckdns.org



1
0
jitsi-feri.duckdns.org



1
0
duckdns.org
0

no CAA entry found
1
0
org
0

no CAA entry found
1
0


14. TXT - Entries

DomainnameTXT EntryStatus∑ Queries∑ Timeout
jitsi-feri.duckdns.org

ok
1
0
www.jitsi-feri.duckdns.org

ok
1
0
_acme-challenge.jitsi-feri.duckdns.org

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

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

perhaps wrong
1
0
_acme-challenge.www.jitsi-feri.duckdns.org.jitsi-feri.duckdns.org

perhaps wrong
1
0
_acme-challenge.www.jitsi-feri.duckdns.org.www.jitsi-feri.duckdns.org

perhaps wrong
1
0


15. Portchecks

Domain or IPPortDescriptionResultAnswer
jitsi-feri.duckdns.org
21
FTP



jitsi-feri.duckdns.org
21
FTP



jitsi-feri.duckdns.org
22
SSH
open
SSH-2.0-OpenSSH_7.4p1 Debian-10+deb9u7

jitsi-feri.duckdns.org
22
SSH
open
SSH-2.0-OpenSSH_7.4p1 Debian-10+deb9u7

jitsi-feri.duckdns.org
25
SMTP



jitsi-feri.duckdns.org
25
SMTP



jitsi-feri.duckdns.org
53
DNS



jitsi-feri.duckdns.org
53
DNS



jitsi-feri.duckdns.org
110
POP3



jitsi-feri.duckdns.org
110
POP3



jitsi-feri.duckdns.org
143
IMAP



jitsi-feri.duckdns.org
143
IMAP



jitsi-feri.duckdns.org
465
SMTP (encrypted)



jitsi-feri.duckdns.org
465
SMTP (encrypted)



jitsi-feri.duckdns.org
587
SMTP (encrypted, submission)



jitsi-feri.duckdns.org
587
SMTP (encrypted, submission)



jitsi-feri.duckdns.org
993
IMAP (encrypted)



jitsi-feri.duckdns.org
993
IMAP (encrypted)



jitsi-feri.duckdns.org
995
POP3 (encrypted)



jitsi-feri.duckdns.org
995
POP3 (encrypted)



jitsi-feri.duckdns.org
1433
MS SQL



jitsi-feri.duckdns.org
1433
MS SQL



jitsi-feri.duckdns.org
2082
cPanel (http)



jitsi-feri.duckdns.org
2082
cPanel (http)



jitsi-feri.duckdns.org
2083
cPanel (https)



jitsi-feri.duckdns.org
2083
cPanel (https)



jitsi-feri.duckdns.org
2086
WHM (http)



jitsi-feri.duckdns.org
2086
WHM (http)



jitsi-feri.duckdns.org
2087
WHM (https)



jitsi-feri.duckdns.org
2087
WHM (https)



jitsi-feri.duckdns.org
2089
cPanel Licensing



jitsi-feri.duckdns.org
2089
cPanel Licensing



jitsi-feri.duckdns.org
2095
cPanel Webmail (http)



jitsi-feri.duckdns.org
2095
cPanel Webmail (http)



jitsi-feri.duckdns.org
2096
cPanel Webmail (https)



jitsi-feri.duckdns.org
2096
cPanel Webmail (https)



jitsi-feri.duckdns.org
2222
DirectAdmin (http)



jitsi-feri.duckdns.org
2222
DirectAdmin (http)



jitsi-feri.duckdns.org
2222
DirectAdmin (https)



jitsi-feri.duckdns.org
2222
DirectAdmin (https)



jitsi-feri.duckdns.org
3306
mySql



jitsi-feri.duckdns.org
3306
mySql



jitsi-feri.duckdns.org
5224
Plesk Licensing



jitsi-feri.duckdns.org
5224
Plesk Licensing



jitsi-feri.duckdns.org
5432
PostgreSQL



jitsi-feri.duckdns.org
5432
PostgreSQL



jitsi-feri.duckdns.org
8080
Ookla Speedtest (http)
open
http://jitsi-feri.duckdns.org:8080/
Http-Status: 200

jitsi-feri.duckdns.org
8080
Ookla Speedtest (http)
open
http://jitsi-feri.duckdns.org:8080/
Http-Status: 200

jitsi-feri.duckdns.org
8080
Ookla Speedtest (https)
open
https://jitsi-feri.duckdns.org:8080/
Http-Status: -4
SendFailure - The underlying connection was closed: An unexpected error occurred on a send.

jitsi-feri.duckdns.org
8080
Ookla Speedtest (https)
open
https://jitsi-feri.duckdns.org:8080/
Http-Status: -4
SendFailure - The underlying connection was closed: An unexpected error occurred on a send.

jitsi-feri.duckdns.org
8083
VestaCP http



jitsi-feri.duckdns.org
8083
VestaCP http



jitsi-feri.duckdns.org
8083
VestaCP https



jitsi-feri.duckdns.org
8083
VestaCP https



jitsi-feri.duckdns.org
8443
Plesk Administration (https)
open
https://jitsi-feri.duckdns.org:8443/
Http-Status: 200
Certificate is invalid
jitsi-feri.duckdns.org
8443
Plesk Administration (https)
open
https://jitsi-feri.duckdns.org:8443/
Http-Status: 200
Certificate is invalid
jitsi-feri.duckdns.org
8447
Plesk Installer + Updates



jitsi-feri.duckdns.org
8447
Plesk Installer + Updates



jitsi-feri.duckdns.org
8880
Plesk Administration (http)



jitsi-feri.duckdns.org
8880
Plesk Administration (http)



jitsi-feri.duckdns.org
10000
Webmin (http)



jitsi-feri.duckdns.org
10000
Webmin (http)



jitsi-feri.duckdns.org
10000
Webmin (https)



jitsi-feri.duckdns.org
10000
Webmin (https)



www.jitsi-feri.duckdns.org
21
FTP



www.jitsi-feri.duckdns.org
21
FTP



www.jitsi-feri.duckdns.org
22
SSH
open
SSH-2.0-OpenSSH_7.4p1 Debian-10+deb9u7

www.jitsi-feri.duckdns.org
22
SSH
open
SSH-2.0-OpenSSH_7.4p1 Debian-10+deb9u7

www.jitsi-feri.duckdns.org
25
SMTP



www.jitsi-feri.duckdns.org
25
SMTP



www.jitsi-feri.duckdns.org
53
DNS



www.jitsi-feri.duckdns.org
53
DNS



www.jitsi-feri.duckdns.org
110
POP3



www.jitsi-feri.duckdns.org
110
POP3



www.jitsi-feri.duckdns.org
143
IMAP



www.jitsi-feri.duckdns.org
143
IMAP



www.jitsi-feri.duckdns.org
465
SMTP (encrypted)



www.jitsi-feri.duckdns.org
465
SMTP (encrypted)



www.jitsi-feri.duckdns.org
587
SMTP (encrypted, submission)



www.jitsi-feri.duckdns.org
587
SMTP (encrypted, submission)



www.jitsi-feri.duckdns.org
993
IMAP (encrypted)



www.jitsi-feri.duckdns.org
993
IMAP (encrypted)



www.jitsi-feri.duckdns.org
995
POP3 (encrypted)



www.jitsi-feri.duckdns.org
995
POP3 (encrypted)



www.jitsi-feri.duckdns.org
1433
MS SQL



www.jitsi-feri.duckdns.org
1433
MS SQL



www.jitsi-feri.duckdns.org
2082
cPanel (http)



www.jitsi-feri.duckdns.org
2082
cPanel (http)



www.jitsi-feri.duckdns.org
2083
cPanel (https)



www.jitsi-feri.duckdns.org
2083
cPanel (https)



www.jitsi-feri.duckdns.org
2086
WHM (http)



www.jitsi-feri.duckdns.org
2086
WHM (http)



www.jitsi-feri.duckdns.org
2087
WHM (https)



www.jitsi-feri.duckdns.org
2087
WHM (https)



www.jitsi-feri.duckdns.org
2089
cPanel Licensing



www.jitsi-feri.duckdns.org
2089
cPanel Licensing



www.jitsi-feri.duckdns.org
2095
cPanel Webmail (http)



www.jitsi-feri.duckdns.org
2095
cPanel Webmail (http)



www.jitsi-feri.duckdns.org
2096
cPanel Webmail (https)



www.jitsi-feri.duckdns.org
2096
cPanel Webmail (https)



www.jitsi-feri.duckdns.org
2222
DirectAdmin (http)



www.jitsi-feri.duckdns.org
2222
DirectAdmin (http)



www.jitsi-feri.duckdns.org
2222
DirectAdmin (https)



www.jitsi-feri.duckdns.org
2222
DirectAdmin (https)



www.jitsi-feri.duckdns.org
3306
mySql



www.jitsi-feri.duckdns.org
3306
mySql



www.jitsi-feri.duckdns.org
5224
Plesk Licensing



www.jitsi-feri.duckdns.org
5224
Plesk Licensing



www.jitsi-feri.duckdns.org
5432
PostgreSQL



www.jitsi-feri.duckdns.org
5432
PostgreSQL



www.jitsi-feri.duckdns.org
8080
Ookla Speedtest (http)
open
http://www.jitsi-feri.duckdns.org:8080/
Http-Status: 200

www.jitsi-feri.duckdns.org
8080
Ookla Speedtest (http)
open
http://www.jitsi-feri.duckdns.org:8080/
Http-Status: 200

www.jitsi-feri.duckdns.org
8080
Ookla Speedtest (https)
open
https://www.jitsi-feri.duckdns.org:8080/
Http-Status: -4
SendFailure - The underlying connection was closed: An unexpected error occurred on a send.

www.jitsi-feri.duckdns.org
8080
Ookla Speedtest (https)
open
https://www.jitsi-feri.duckdns.org:8080/
Http-Status: -4
SendFailure - The underlying connection was closed: An unexpected error occurred on a send.

www.jitsi-feri.duckdns.org
8083
VestaCP http



www.jitsi-feri.duckdns.org
8083
VestaCP http



www.jitsi-feri.duckdns.org
8083
VestaCP https



www.jitsi-feri.duckdns.org
8083
VestaCP https



www.jitsi-feri.duckdns.org
8443
Plesk Administration (https)
open
https://www.jitsi-feri.duckdns.org:8443/
Http-Status: 200
Certificate is invalid
www.jitsi-feri.duckdns.org
8443
Plesk Administration (https)
open
https://www.jitsi-feri.duckdns.org:8443/
Http-Status: 200
Certificate is invalid
www.jitsi-feri.duckdns.org
8447
Plesk Installer + Updates



www.jitsi-feri.duckdns.org
8447
Plesk Installer + Updates



www.jitsi-feri.duckdns.org
8880
Plesk Administration (http)



www.jitsi-feri.duckdns.org
8880
Plesk Administration (http)



www.jitsi-feri.duckdns.org
10000
Webmin (http)



www.jitsi-feri.duckdns.org
10000
Webmin (http)



www.jitsi-feri.duckdns.org
10000
Webmin (https)



www.jitsi-feri.duckdns.org
10000
Webmin (https)



164.8.22.210
21
FTP



164.8.22.210
21
FTP



164.8.22.210
22
SSH
open
SSH-2.0-OpenSSH_7.4p1 Debian-10+deb9u7

164.8.22.210
22
SSH
open
SSH-2.0-OpenSSH_7.4p1 Debian-10+deb9u7

164.8.22.210
25
SMTP



164.8.22.210
25
SMTP



164.8.22.210
53
DNS



164.8.22.210
53
DNS



164.8.22.210
110
POP3



164.8.22.210
110
POP3



164.8.22.210
143
IMAP



164.8.22.210
143
IMAP



164.8.22.210
465
SMTP (encrypted)



164.8.22.210
465
SMTP (encrypted)



164.8.22.210
587
SMTP (encrypted, submission)



164.8.22.210
587
SMTP (encrypted, submission)



164.8.22.210
993
IMAP (encrypted)



164.8.22.210
993
IMAP (encrypted)



164.8.22.210
995
POP3 (encrypted)



164.8.22.210
995
POP3 (encrypted)



164.8.22.210
1433
MS SQL



164.8.22.210
1433
MS SQL



164.8.22.210
2082
cPanel (http)



164.8.22.210
2082
cPanel (http)



164.8.22.210
2083
cPanel (https)



164.8.22.210
2083
cPanel (https)



164.8.22.210
2086
WHM (http)



164.8.22.210
2086
WHM (http)



164.8.22.210
2087
WHM (https)



164.8.22.210
2087
WHM (https)



164.8.22.210
2089
cPanel Licensing



164.8.22.210
2089
cPanel Licensing



164.8.22.210
2095
cPanel Webmail (http)



164.8.22.210
2095
cPanel Webmail (http)



164.8.22.210
2096
cPanel Webmail (https)



164.8.22.210
2096
cPanel Webmail (https)



164.8.22.210
2222
DirectAdmin (http)



164.8.22.210
2222
DirectAdmin (http)



164.8.22.210
2222
DirectAdmin (https)



164.8.22.210
2222
DirectAdmin (https)



164.8.22.210
3306
mySql



164.8.22.210
3306
mySql



164.8.22.210
5224
Plesk Licensing



164.8.22.210
5224
Plesk Licensing



164.8.22.210
5432
PostgreSQL



164.8.22.210
5432
PostgreSQL



164.8.22.210
8080
Ookla Speedtest (http)
open
http://164.8.22.210:8080/
Http-Status: 200

164.8.22.210
8080
Ookla Speedtest (http)
open
http://164.8.22.210:8080/
Http-Status: 200

164.8.22.210
8080
Ookla Speedtest (https)
open
https://164.8.22.210:8080/
Http-Status: -4
SendFailure - The underlying connection was closed: An unexpected error occurred on a send.

164.8.22.210
8080
Ookla Speedtest (https)
open
https://164.8.22.210:8080/
Http-Status: -4
SendFailure - The underlying connection was closed: An unexpected error occurred on a send.

164.8.22.210
8083
VestaCP http



164.8.22.210
8083
VestaCP http



164.8.22.210
8083
VestaCP https



164.8.22.210
8083
VestaCP https



164.8.22.210
8443
Plesk Administration (https)
open
https://164.8.22.210:8443/
Http-Status: 200
Certificate is invalid
164.8.22.210
8443
Plesk Administration (https)
open
https://164.8.22.210:8443/
Http-Status: 200
Certificate is invalid
164.8.22.210
8447
Plesk Installer + Updates



164.8.22.210
8447
Plesk Installer + Updates



164.8.22.210
8880
Plesk Administration (http)



164.8.22.210
8880
Plesk Administration (http)



164.8.22.210
10000
Webmin (http)



164.8.22.210
10000
Webmin (http)



164.8.22.210
10000
Webmin (https)



164.8.22.210
10000
Webmin (https)





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