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



X

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

Checked:
28.11.2021 12:33:20


Older results

No older results found


1. IP-Addresses

HostTypeIP-Addressis auth.∑ Queries∑ Timeout
rxcs10b.freeboxos.fr
A
78.192.138.217
Paris/Île-de-France/France (FR) - Free SAS
Hostname: ran75-2-78-192-138-217.fbxo.proxad.net
yes
1
0

AAAA
2a01:e34:ec08:ad90::1
Paris/Île-de-France/France (FR) - ProXad network / Free

yes


www.rxcs10b.freeboxos.fr

Name Error
yes
1
0
*.rxcs10b.freeboxos.fr
A
Name Error
yes



AAAA
Name Error
yes



CNAME
Name Error
yes



2. DNSSEC

Zone (*)DNSSEC - Informations

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



DS with Algorithm 8, KeyTag 20326, DigestType 2 and Digest 4G1EuAuPHTmpXAsNfGXQhFjogECbvGg0VxBCN8f47I0=



Status: Valid because published



2 DNSKEY RR found



Public Key with Algorithm 8, KeyTag 14748, Flags 256



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



1 RRSIG RR to validate DNSKEY RR found



RRSIG-Owner (root), Algorithm: 8, 0 Labels, original TTL: 172800 sec, Signature-expiration: 11.12.2021, 00:00:00 +, Signature-Inception: 20.11.2021, 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: fr
fr
1 DS RR in the parent zone found



DS with Algorithm 13, KeyTag 51508, DigestType 2 and Digest GzOGhk0wzMj0VBuYW/LKMg5PUsV8UzU/bSnJrVilZx8=



1 RRSIG RR to validate DS RR found



RRSIG-Owner fr., Algorithm: 8, 1 Labels, original TTL: 86400 sec, Signature-expiration: 11.12.2021, 05:00:00 +, Signature-Inception: 28.11.2021, 04:00:00 +, KeyTag 14748, Signer-Name: (root)



Status: Good - Algorithmus 8 and DNSKEY with KeyTag 14748 used to validate the DS RRSet in the parent zone



2 DNSKEY RR found



Public Key with Algorithm 13, KeyTag 26526, Flags 256



Public Key with Algorithm 13, KeyTag 51508, Flags 257 (SEP = Secure Entry Point)



1 RRSIG RR to validate DNSKEY RR found



RRSIG-Owner fr., Algorithm: 13, 1 Labels, original TTL: 172800 sec, Signature-expiration: 23.01.2022, 13:55:00 +, Signature-Inception: 24.11.2021, 12:55:01 +, KeyTag 51508, Signer-Name: fr



Status: Good - Algorithmus 13 and DNSKEY with KeyTag 51508 used to validate the DNSKEY RRSet



Status: Valid Chain of trust. Parent-DS with Algorithm 13, KeyTag 51508, DigestType 2 and Digest "GzOGhk0wzMj0VBuYW/LKMg5PUsV8UzU/bSnJrVilZx8=" validates local Key with the same values, Key ist Secure Entry Point (SEP) of the zone

Zone: freeboxos.fr
freeboxos.fr
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 "v31b9jell4vi84eashhn4hpodl36s31t" between the hashed NSEC3-owner "v319n2fo0ha78keb1c84bgci7ir0f4d0" and the hashed NextOwner "v31c9l3icqps9gnqvm7rf1lu6af9acr8". So the parent zone confirmes the not-existence of a DS RR.
Bitmap: NS, DS, RRSIG Validated: RRSIG-Owner v319n2fo0ha78keb1c84bgci7ir0f4d0.fr., Algorithm: 13, 2 Labels, original TTL: 5400 sec, Signature-expiration: 19.12.2021, 05:58:25 +, Signature-Inception: 15.11.2021, 12:11:42 +, KeyTag 26526, Signer-Name: fr



DS-Query in the parent zone sends valid NSEC3 RR with the Hash "hse6lveakji7ri5c4e8a03bfg5ha71ao" as Owner. That's the Hash of "fr" with the NextHashedOwnerName "hse6pkpomg50jk2dk02drf66lr6ooqfn". So that domain name is the Closest Encloser of "freeboxos.fr". Opt-Out: True.
Bitmap: NS, SOA, TXT, NAPTR, RRSIG, DNSKEY, NSEC3PARAM Validated: RRSIG-Owner hse6lveakji7ri5c4e8a03bfg5ha71ao.fr., Algorithm: 13, 2 Labels, original TTL: 5400 sec, Signature-expiration: 23.01.2022, 13:55:01 +, Signature-Inception: 24.11.2021, 12:55:01 +, KeyTag 26526, Signer-Name: fr



0 DNSKEY RR found




Zone: rxcs10b.freeboxos.fr
rxcs10b.freeboxos.fr
0 DS RR in the parent zone found



0 DNSKEY RR found




Zone: www.rxcs10b.freeboxos.fr
www.rxcs10b.freeboxos.fr
0 DS RR in the parent zone found


3. Name Servers

DomainNameserverNS-IP
www.rxcs10b.freeboxos.fr
  freens1-g20.free.fr

rxcs10b.freeboxos.fr
  freens1-g20.free.fr / freens1-g12
212.27.60.19
Morsang-sur-Orge/Île-de-France/France (FR) - Free SAS


 
2a01:e0c:1:1599::22
Paris/Île-de-France/France (FR) - ProXad network / Free

freeboxos.fr
  freens1-g20.free.fr / freens1-g12
212.27.60.19
Morsang-sur-Orge/Île-de-France/France (FR) - Free SAS


 
2a01:e0c:1:1599::22
Paris/Île-de-France/France (FR) - ProXad network / Free


  freens2-g20.free.fr / freens2-g11
212.27.60.20
Morsang-sur-Orge/Île-de-France/France (FR) - Free SAS


 
2a01:e0c:1:1599::23
Paris/Île-de-France/France (FR) - ProXad network / Free

fr
  d.nic.fr


  e.ext.nic.fr


  f.ext.nic.fr


  g.ext.nic.fr


4. SOA-Entries


Domain:fr
Zone-Name:
Primary:
Mail:
Serial:
Refresh:
Retry:
Expire:
TTL:
num Entries:4


Domain:freeboxos.fr
Zone-Name:freeboxos.fr
Primary:freens1-g20.free.fr
Mail:hostmaster.proxad.net
Serial:2015081101
Refresh:10800
Retry:3600
Expire:604800
TTL:86400
num Entries:4


Domain:rxcs10b.freeboxos.fr
Zone-Name:freeboxos.fr
Primary:freens1-g20.free.fr
Mail:hostmaster.proxad.net
Serial:2015081101
Refresh:10800
Retry:3600
Expire:604800
TTL:86400
num Entries:2


Domain:www.rxcs10b.freeboxos.fr
Zone-Name:
Primary:
Mail:
Serial:
Refresh:
Retry:
Expire:
TTL:
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://rxcs10b.freeboxos.fr/
78.192.138.217
301
https://rxcs10b.freeboxos.fr/
Html is minified: 100.00 %
0.083
A
Date: Sun, 28 Nov 2021 11:34:09 GMT
Server: Apache/2.4.38 (Raspbian)
Location: https://rxcs10b.freeboxos.fr/
Content-Length: 325
Connection: close
Content-Type: text/html; charset=iso-8859-1

• http://rxcs10b.freeboxos.fr/
2a01:e34:ec08:ad90::1
-14

10.023
T
Timeout - The operation has timed out

• https://rxcs10b.freeboxos.fr/
78.192.138.217
-4

0.130
W
SendFailure - The underlying connection was closed: An unexpected error occurred on a send.

• https://rxcs10b.freeboxos.fr/
2a01:e34:ec08:ad90::1
-14

10.034
T
Timeout - The operation has timed out

• http://rxcs10b.freeboxos.fr:443/
78.192.138.217 GZip used - 412 / 780 - 47.18 %
200

Html is minified: 103.45 %
0.086
Q
Visible Content: Index of / Name Last modified Size Description rxcs10b.freeboxos/ 2021-02-14 23:03 -   Apache/2.4.38 (Raspbian) Server at rxcs10b.freeboxos.fr Port 80
Date: Sun, 28 Nov 2021 11:34:40 GMT
Server: Apache/2.4.38 (Raspbian)
Vary: Accept-Encoding
Content-Encoding: gzip
Content-Length: 412
Connection: close
Content-Type: text/html;charset=UTF-8

• http://rxcs10b.freeboxos.fr:443/
2a01:e34:ec08:ad90::1
-14

10.054
A
Timeout - The operation has timed out
Visible Content:

• http://rxcs10b.freeboxos.fr/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de
78.192.138.217
Inline-JavaScript (∑/total): 0/0 Inline-CSS (∑/total): 0/0
301
https://rxcs10b.freeboxos.fr/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de
Html is minified: 100.00 %
0.067
A
Visible Content: Moved Permanently The document has moved here . Apache/2.4.38 (Raspbian) Server at rxcs10b.freeboxos.fr Port 80
Date: Sun, 28 Nov 2021 11:34:30 GMT
Server: Apache/2.4.38 (Raspbian)
Location: https://rxcs10b.freeboxos.fr/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de
Content-Length: 394
Connection: close
Content-Type: text/html; charset=iso-8859-1

• http://rxcs10b.freeboxos.fr/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de
2a01:e34:ec08:ad90::1
-14

10.036
T
Timeout - The operation has timed out
Visible Content:

• https://rxcs10b.freeboxos.fr/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de

-14

10.030
T
Timeout - The operation has timed out
Visible Content:

• https://78.192.138.217/
78.192.138.217
-4

0.123
W
SendFailure - The underlying connection was closed: An unexpected error occurred on a send.

• https://[2a01:0e34:ec08:ad90:0000:0000:0000:0001]/
2a01:e34:ec08:ad90::1
-14

10.023
T
Timeout - The operation has timed out

7. Comments


1. General Results, most used to calculate the result

Aname "rxcs10b.freeboxos.fr" is domain, public suffix is ".freeboxos.fr", top-level-domain is ".fr", top-level-domain-type is "country-code", Country is France, tld-manager is "Association Française pour le Nommage Internet en Coopération (A.F.N.I.C.)", num .fr-domains preloaded: 2245 (complete: 168171)
Agood: All ip addresses are public addresses
AGood: Minimal 2 ip addresses per domain name found: rxcs10b.freeboxos.fr has 2 different ip addresses (authoritative).
AGood: Ipv4 and Ipv6 addresses per domain name found: rxcs10b.freeboxos.fr has 1 ipv4, 1 ipv6 addresses
Agood: No asked Authoritative Name Server had a timeout
ADNS: "Name Error" means: No www-dns-entry defined. This isn't a problem
Agood - only one version with Http-Status 200
AGood: No cookie sent via http.
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)
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.
Khttp://rxcs10b.freeboxos.fr/ 78.192.138.217, Status 301

http://rxcs10b.freeboxos.fr/ 2a01:e34:ec08:ad90::1, Status -14
configuration problem - different ip addresses with different status
Khttps://rxcs10b.freeboxos.fr/ 78.192.138.217, Status -4

https://rxcs10b.freeboxos.fr/ 2a01:e34:ec08:ad90::1, Status -14
configuration problem - different ip addresses with different status
Khttp://rxcs10b.freeboxos.fr/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de 78.192.138.217, Status 301

http://rxcs10b.freeboxos.fr/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de 2a01:e34:ec08:ad90::1, Status -14
configuration problem - different ip addresses with different status
Khttp://rxcs10b.freeboxos.fr:443/ 78.192.138.217, Status 200

http://rxcs10b.freeboxos.fr:443/ 2a01:e34:ec08:ad90::1, Status -14
configuration problem - different ip addresses with different status
Qhttp://rxcs10b.freeboxos.fr:443/ 78.192.138.217
200

Misconfiguration: http sent over port 443. Wrong port forwarding port 443 to port 80 or wrong vHost definition. If you use a virtual Host <VirtualHost ip-address:443>, try <VirtualHost *:443>.
AGood: More then one ip address per domain name found, checking all ip addresses the same http status and the same certificate found: Domain rxcs10b.freeboxos.fr, 2 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 rxcs10b.freeboxos.fr, 2 ip addresses.

2. DNS- and NameServer - Checks

AInfo:: 2 Root-climbing DNS Queries required to find all IPv4- and IPv6-Addresses of 2 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.freens1-g20.free.fr (212.27.60.19), freens2-g20.free.fr (212.27.60.20)
AGood (1 - 3.0):: An average of 1.0 queries per domain name server required to find all ip addresses of all name servers.
AInfo:: 2 different Name Servers found: freens1-g20.free.fr, freens2-g20.free.fr, 2 Name Servers included in Delegation: freens1-g20.free.fr, freens2-g20.free.fr, 2 Name Servers included in 1 Zone definitions: freens1-g20.free.fr, freens2-g20.free.fr, 1 Name Servers listed in SOA.Primary: freens1-g20.free.fr.
AGood: Only one SOA.Primary Name Server found.: freens1-g20.free.fr.
AGood: SOA.Primary Name Server included in the delegation set.: freens1-g20.free.fr.
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: freens1-g20.free.fr, freens2-g20.free.fr
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: 2 different Name Servers found
AGood: All name servers have ipv4- and ipv6-addresses.: 2 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.: 2 Name Servers, 1 Top Level Domain: fr
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: free.fr
Warning: All Name Servers from the same Country / IP location.: 2 Name Servers, 1 Countries: FR
AInfo: Ipv4-Subnet-list: 2 Name Servers, 1 different subnets (first Byte): 212., 1 different subnets (first two Bytes): 212.27., 1 different subnets (first three Bytes): 212.27.60.
XFatal: All Name Server IPv4 addresses from the same subnet. Check https://www.iana.org/help/nameserver-requirements to learn some basics about name server configurations. If you manage these name servers, fix it. If it's your provider, change your provider.:
AInfo: IPv6-Subnet-list: 2 Name Servers with IPv6, 1 different subnets (first block): 2a01:, 1 different subnets (first two blocks): 2a01:0e0c:, 1 different subnets (first three blocks): 2a01:0e0c:0001:, 1 different subnets (first four blocks): 2a01:0e0c:0001:1599:
Fatal: All Name Server IPv6 addresses from the same subnet.
AGood: Nameserver supports TCP connections: 2 good Nameserver
AGood: Nameserver supports Echo Capitalization: 2 good Nameserver
AGood: Nameserver supports EDNS with max. 512 Byte Udp payload, message is smaller: 2 good Nameserver
Nameserver doesn't pass all EDNS-Checks: d.nic.fr: OP100: no result. FLAGS: no result. V1: no result. V1OP100: no result. V1FLAGS: no result. DNSSEC: no result. V1DNSSEC: no result. NSID: no result. COOKIE: no result. CLIENTSUBNET: no result.
Nameserver doesn't pass all EDNS-Checks: e.ext.nic.fr: OP100: no result. FLAGS: no result. V1: no result. V1OP100: no result. V1FLAGS: no result. DNSSEC: no result. V1DNSSEC: no result. NSID: no result. COOKIE: no result. CLIENTSUBNET: no result.
Nameserver doesn't pass all EDNS-Checks: f.ext.nic.fr: OP100: no result. FLAGS: no result. V1: no result. V1OP100: no result. V1FLAGS: no result. DNSSEC: no result. V1DNSSEC: no result. NSID: no result. COOKIE: no result. CLIENTSUBNET: no result.
Nameserver doesn't pass all EDNS-Checks: freens1-g20.free.fr: OP100: no result. FLAGS: no result. V1: no result. V1OP100: no result. V1FLAGS: no result. DNSSEC: no result. V1DNSSEC: no result. NSID: no result. COOKIE: no result. CLIENTSUBNET: no result.
Nameserver doesn't pass all EDNS-Checks: freens1-g20.free.fr / 212.27.60.19: 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 (freens1-g12). COOKIE: ok. CLIENTSUBNET: ok.
Nameserver doesn't pass all EDNS-Checks: freens1-g20.free.fr / 212.27.60.19: 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 (freens1-g12). COOKIE: ok. CLIENTSUBNET: ok.
Nameserver doesn't pass all EDNS-Checks: freens1-g20.free.fr / 2a01:e0c:1:1599::22: 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 (freens1-g12). COOKIE: ok. CLIENTSUBNET: ok.
Nameserver doesn't pass all EDNS-Checks: freens1-g20.free.fr / 2a01:e0c:1:1599::22: 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 (freens1-g12). COOKIE: ok. CLIENTSUBNET: ok.
Nameserver doesn't pass all EDNS-Checks: freens2-g20.free.fr / 212.27.60.20: 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 (freens2-g11). COOKIE: ok. CLIENTSUBNET: ok.
Nameserver doesn't pass all EDNS-Checks: freens2-g20.free.fr / 2a01:e0c:1:1599::23: 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 (freens2-g11). COOKIE: ok. CLIENTSUBNET: ok.
Nameserver doesn't pass all EDNS-Checks: g.ext.nic.fr: OP100: no result. FLAGS: no result. V1: no result. V1OP100: no result. V1FLAGS: no result. DNSSEC: no result. V1DNSSEC: no result. NSID: no result. COOKIE: no result. CLIENTSUBNET: no result.
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

http://rxcs10b.freeboxos.fr/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de 2a01:e34:ec08:ad90::1
-14

Fatal: Check of /.well-known/acme-challenge/random-filename has a timeout. 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.
https://rxcs10b.freeboxos.fr/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de
-14

Fatal: Check of /.well-known/acme-challenge/random-filename has a timeout. 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.
http://rxcs10b.freeboxos.fr/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de 2a01:e34:ec08:ad90::1, Status -14

http://rxcs10b.freeboxos.fr/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de 78.192.138.217, Status 301
Fatal: Check of /.well-known/acme-challenge/random-filename has different answers checking ipv6 / ipv4. Ipv6 doesn't have the expected result http status 404 - Not Found. Creating a Letsencrypt certificate via http-01 validation may not work. Checking the validation file in /.well-known/acme-challenge Letsencrypt prefers ipv6. Two options: Remove your ipv6 / AAAA DNS entry or (better) fix your ipv6, so your webserver handles ipv6 correct. Perhaps add "Listen [::]:80". Don't use <VirtualHost ip-address:80>, switch to <VirtualHost *:80>. If you use IIS, check your bindings. Don't select a single ip address. Use this tool to check your raw ipv6 address. Add your domain name in the "Hostname" - field. Trouble creating a certificate? Use https://community.letsencrypt.org/ to ask.
AGood: All checked attribute values are enclosed in quotation marks (" or ').
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: 131320 milliseconds, 131.320 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)

Issuerlast 7 daysactivenum Certs
CN=R3, O=Let's Encrypt, C=US
0
1
2

CertSpotter-IdIssuernot beforenot afterDomain namesLE-Duplicatenext LE
3165705404
leaf cert
CN=R3, O=Let's Encrypt, C=US
2021-11-28 10:14:07
2022-02-26 10:14:06
rxcs10b.freeboxos.fr - 1 entries


2937259238
leaf cert
CN=R3, O=Let's Encrypt, C=US
2021-09-22 20:11:27
2021-12-21 20:11:26
rxcs10b.freeboxos.fr - 1 entries



2. Source crt.sh - old and new certificates, sometimes very slow - only certificates with "not after" > 2019 are listed

Issuerlast 7 daysactivenum Certs
CN=R3, O=Let's Encrypt, C=US
0 /0 new
1
6
CN=Let's Encrypt Authority X3, O=Let's Encrypt, C=US
0 /0 new
0
6

CRT-IdIssuernot beforenot afterDomain namesLE-Duplicatenext LE
5694360111
leaf cert
CN=R3, O=Let's Encrypt, C=US
2021-11-28 09:14:07
2022-02-26 09:14:06
rxcs10b.freeboxos.fr
1 entries


5268993380
leaf cert
CN=R3, O=Let's Encrypt, C=US
2021-09-22 18:11:27
2021-12-21 19:11:26
rxcs10b.freeboxos.fr
1 entries


4886815949
leaf cert
CN=R3, O=Let's Encrypt, C=US
2021-07-16 21:11:44
2021-10-14 21:11:42
rxcs10b.freeboxos.fr
1 entries


4462844169
leaf cert
CN=R3, O=Let's Encrypt, C=US
2021-05-02 11:32:24
2021-07-31 11:32:24
rxcs10b.freeboxos.fr
1 entries


4092760224
leaf cert
CN=R3, O=Let's Encrypt, C=US
2021-02-17 05:45:48
2021-05-18 04:45:48
rxcs10b.freeboxos.fr
1 entries


3790976850
precert
CN=R3, O=Let's Encrypt, C=US
2020-12-16 21:28:32
2021-03-16 21:28:32
rxcs10b.freeboxos.fr
1 entries


3441611593
leaf cert
CN=Let's Encrypt Authority X3, O=Let's Encrypt, C=US
2020-09-28 22:20:56
2020-12-27 23:20:56
rxcs10b.freeboxos.fr
1 entries


3060777063
leaf cert
CN=Let's Encrypt Authority X3, O=Let's Encrypt, C=US
2020-07-08 20:32:58
2020-10-06 20:32:58
rxcs10b.freeboxos.fr
1 entries


2843812292
leaf cert
CN=Let's Encrypt Authority X3, O=Let's Encrypt, C=US
2020-05-08 15:09:03
2020-08-06 15:09:03
rxcs10b.freeboxos.fr
1 entries


2495940049
leaf cert
CN=Let's Encrypt Authority X3, O=Let's Encrypt, C=US
2020-02-20 21:46:27
2020-05-20 20:46:27
rxcs10b.freeboxos.fr
1 entries


2283799979
leaf cert
CN=Let's Encrypt Authority X3, O=Let's Encrypt, C=US
2019-12-22 10:40:58
2020-03-21 10:40:58
rxcs10b.freeboxos.fr
1 entries


2023977228
leaf cert
CN=Let's Encrypt Authority X3, O=Let's Encrypt, C=US
2019-10-22 04:25:35
2020-01-20 05:25:35
rxcs10b.freeboxos.fr
1 entries



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: freens1-g20.free.fr, freens2-g20.free.fr

QNr.DomainTypeNS used
1
fr
NS
d.root-servers.net (2001:500:2d::d)

Answer: d.nic.fr, e.ext.nic.fr, f.ext.nic.fr, g.ext.nic.fr
2
freens1-g20.free.fr: 212.27.60.19
NS
e.ext.nic.fr (2a00:d78:0:102:193:176:144:22)

Answer: freens2-g20.free.fr
212.27.60.20


13. CAA - Entries

DomainnameflagNameValue∑ Queries∑ Timeout
rxcs10b.freeboxos.fr
0

no CAA entry found
1
0
freeboxos.fr
0

no CAA entry found
1
0
fr
0

no CAA entry found
1
0


14. TXT - Entries

DomainnameTXT EntryStatus∑ Queries∑ Timeout
rxcs10b.freeboxos.fr

ok
1
0
_acme-challenge.rxcs10b.freeboxos.fr
dCHD8GgOz-pG7TF4EJ0ZTRzsElKx9agQXgfeUj6_Xng
looks good, correct length, correct characters
1
0
_acme-challenge.rxcs10b.freeboxos.fr.rxcs10b.freeboxos.fr

Name Error - The domain name does not exist
1
0


15. Portchecks

No Port checks



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Last Result: https://check-your-website.server-daten.de/?q=rxcs10b.freeboxos.fr - 2021-11-28 12:33:20


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