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

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Shortcuts: 1. IP-Addresses | 2. DNSSEC | 3. Name Servers | 4. SOA-Entries | 5. Screenshots | 6. Url-Checks | 7. Comments | 8. Connections | 9. Certificates | 10. CT-Logs | 11. Html-Content | 12. Html-Parsing | 13. NameServer-IPAddresses | 14. CAA | 15. TXT | 16. DomainServiceEntries | 17. Cipher Suites | 18. Portchecks |

 

A

 

Top config

 

Checked:
28.09.2019 14:14:23

 

Older results

No older results found

 

1. IP-Addresses

HostTypeIP-Addressis auth.∑ Queries∑ Timeout
mail.cardera.pl
A
194.181.34.2
Gdańsk/Pomerania/Poland (PL) - Cardera Sp. z o.o
Hostname: mail.cardera.pl
yes
1
0

AAAA

yes


www.mail.cardera.pl

Name Error
yes
1
0

 

2. DNSSEC

Zone (*)DNSSEC - Informations


Zone: (root)

(root)
1 DS RR published






• Status: Valid because published






3 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






Public Key with Algorithm 8, KeyTag 59944, Flags 256






1 RRSIG RR to validate DNSKEY RR found






RRSIG-Owner (root), Algorithm: 8, 0 Labels, original TTL: 172800 sec, Signature-expiration: 10.10.2019, 00:00:00 +, Signature-Inception: 19.09.2019, 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: pl

pl
1 DS RR in the parent zone found






1 RRSIG RR to validate DS RR found






RRSIG-Owner pl., Algorithm: 8, 1 Labels, original TTL: 86400 sec, Signature-expiration: 11.10.2019, 05:00:00 +, Signature-Inception: 28.09.2019, 04:00:00 +, KeyTag 59944, Signer-Name: (root)






• Status: Good - Algorithmus 8 and DNSKEY with KeyTag 59944 used to validate the DS RRSet in the parent zone






3 DNSKEY RR found






Public Key with Algorithm 8, KeyTag 24243, Flags 256






Public Key with Algorithm 8, KeyTag 39175, Flags 257 (SEP = Secure Entry Point)






Public Key with Algorithm 8, KeyTag 44893, Flags 256






2 RRSIG RR to validate DNSKEY RR found






RRSIG-Owner pl., Algorithm: 8, 1 Labels, original TTL: 3600 sec, Signature-expiration: 27.10.2019, 12:00:00 +, Signature-Inception: 27.09.2019, 12:00:00 +, KeyTag 24243, Signer-Name: pl






RRSIG-Owner pl., Algorithm: 8, 1 Labels, original TTL: 3600 sec, Signature-expiration: 27.10.2019, 12:00:00 +, Signature-Inception: 27.09.2019, 12:00:00 +, KeyTag 39175, Signer-Name: pl






• Status: Good - Algorithmus 8 and DNSKEY with KeyTag 24243 used to validate the DNSKEY RRSet






• Status: Good - Algorithmus 8 and DNSKEY with KeyTag 39175 used to validate the DNSKEY RRSet






• Status: Valid Chain of trust. Parent-DS with Algorithm 8, KeyTag 39175, DigestType 2 and Digest "B5M1Z3oGofQ1SbgcRAoeqMynU4ygz/ez8sQ+rtvFD8s=" validates local Key with the same values, Key ist Secure Entry Point (SEP) of the zone



Zone: cardera.pl

cardera.pl
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 "nsf29m7nt8lb4h6ekq40tujhdq3q3gpf" between the hashed NSEC3-owner "nsf214ro28fnv83564h1bvdkcb9o0efs" and the hashed NextOwner "nsf36p4rr2soiph03hbeiifufoden9sr". So the parent zone confirmes the not-existence of a DS RR.
Bitmap: NS, DS, RRSIG Validated: RRSIG-Owner nsf214ro28fnv83564h1bvdkcb9o0efs.pl., Algorithm: 8, 2 Labels, original TTL: 3600 sec, Signature-expiration: 27.10.2019, 12:00:00 +, Signature-Inception: 27.09.2019, 12:00:00 +, KeyTag 24243, Signer-Name: pl






0 DNSKEY RR found









Zone: mail.cardera.pl

mail.cardera.pl
0 DS RR in the parent zone found






0 DNSKEY RR found









Zone: www.mail.cardera.pl

www.mail.cardera.pl
0 DS RR in the parent zone found

 

3. Name Servers

DomainNameserverNS-IP
www.mail.cardera.pl
•  ns1.cardera.pl

mail.cardera.pl
•  ns1.cardera.pl
194.181.34.37
Gdańsk/Pomerania/Poland (PL) - Cardera Sp. z o.o		•
cardera.pl
•  ns1.cardera.pl
•

•  ns2.cardera.pl
•
pl
•  a-dns.pl / Polish ccTLD infrustructure
•

•  b-dns.pl / b-decix
•

•  c-dns.pl
•

•  d-dns.pl / LHR2
•

•  e-dns.pl / Polish ccTLD infrastructure
•

•  f-dns.pl / tld-pl-fra2
•

•  g-dns.pl
•

•  h-dns.pl / STO1
•

•  i-dns.pl
•

 

4. SOA-Entries


Domain:pl
Zone-Name:
Primary:a-dns.pl
Mail:dnsmaster.nask.pl
Serial:1569650449
Refresh:900
Retry:300
Expire:2592000
TTL:3600
num Entries:9


Domain:cardera.pl
Zone-Name:
Primary:ns1.cardera.pl
Mail:zonemaster.cardera.pl
Serial:2019091701
Refresh:7200
Retry:540
Expire:604800
TTL:86400
num Entries:2


Domain:mail.cardera.pl
Zone-Name:
Primary:ns1.cardera.pl
Mail:zonemaster.cardera.pl
Serial:2019091701
Refresh:7200
Retry:540
Expire:604800
TTL:86400
num Entries:1


Domain:www.mail.cardera.pl
Zone-Name:
Primary:
Mail:
Serial:
Refresh:
Retry:
Expire:
TTL:
num Entries:1


5. Screenshots

No Screenshot listed, because no screenshot found. Perhaps the check is too old, the feature startet 2019-12-23.

 

 

6. Url-Checks


:

:
DomainnameHttp-StatusredirectSec.G
• http://mail.cardera.pl/
194.181.34.2
302
https://mail.cardera.pl/
Html is minified: 110.00 %
0.080
A
Server: nginx
Date: Sat, 28 Sep 2019 12:14:53 GMT
Content-Type: text/html
Content-Length: 154
Connection: close
Location: https://mail.cardera.pl/

• https://mail.cardera.pl/
194.181.34.2
Inline-JavaScript (∑/total): 2/6437 Inline-CSS (∑/total): 0/0		200

Html is minified: 329.64 %
Other inline scripts (∑/total): 2/6437		4.374
A
Server: nginx
Date: Sat, 28 Sep 2019 12:14:54 GMT
Content-Type: text/html;charset=utf-8
Transfer-Encoding: chunked
Connection: close
Strict-Transport-Security: max-age=31536000; includeSubDomains
X-Frame-Options: SAMEORIGIN
Expires: -1
Cache-Control: no-store, no-cache, must-revalidate, max-age=0
Pragma: no-cache
Content-Language: en-US
Set-Cookie: ZM_TEST=true; Path=/; Domain=mail.cardera.pl; Secure,ZM_LOGIN_CSRF=2ef0084f-a84e-4f4f-abef-42211c424573; Path=/; Domain=mail.cardera.pl; HttpOnly; Secure
Vary: User-Agent,Accept-Encoding, User-Agent
X-UA-Compatible: IE=edge
Content-Encoding: gzip

• http://mail.cardera.pl/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de
194.181.34.2
Inline-JavaScript (∑/total): 0/0 Inline-CSS (∑/total): 0/0		302
https://mail.cardera.pl/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de
Html is minified: 110.00 %
Other inline scripts (∑/total): 0/0		0.077
A
Visible Content: 302 Found nginx
Server: nginx
Date: Sat, 28 Sep 2019 12:14:58 GMT
Content-Type: text/html
Content-Length: 154
Connection: close
Location: https://mail.cardera.pl/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de

• https://mail.cardera.pl/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de

Inline-JavaScript (∑/total): 0/0 Inline-CSS (∑/total): 0/0		404

Html is minified: 100.98 %
Other inline scripts (∑/total): 0/0		3.313
A
Not Found
Visible Content: HTTP ERROR 404 Problem accessing /service/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de. Reason: Not Found
Server: nginx
Date: Sat, 28 Sep 2019 12:14:58 GMT
Content-Type: text/html;charset=iso-8859-1
Content-Length: 309
Connection: close
Strict-Transport-Security: max-age=31536000; includeSubDomains
Cache-Control: must-revalidate,no-cache,no-store

 

7. Comments


1. General Results, most used to calculate the result

Aname "mail.cardera.pl" is subdomain, public suffix is "pl", top-level-domain-type is "country-code", Country is Poland, tld-manager is "Research and Academic Computer Network"
AGood: All ip addresses are public 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: destination is https
AGood - only one version with Http-Status 200
AGood: one preferred version: non-www is preferred
AGood: every cookie sent via https is marked as secure
AGood: every https has a Strict Transport Security Header
AGood: HSTS max-age is long enough, 31536000 seconds = 365 days
AGood: HSTS has includeSubdomains - directive
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)
Ahttp://mail.cardera.pl/ 194.181.34.2
302
https://mail.cardera.pl/
Correct redirect http - https with the same domain name

2. Header-Checks


3. DNS- and NameServer - Checks

AGood: Nameserver supports TCP connections: 1 good Nameserver
AGood: Nameserver supports Echo Capitalization: 1 good Nameserver
AGood: Nameserver supports EDNS with max. 512 Byte Udp payload, message is smaller: 1 good Nameserver
AGood: Nameserver has passed 10 EDNS-Checks (OP100, FLAGS, V1, V1OP100, V1FLAGS, DNSSEC, V1DNSSEC, NSID, COOKIE, CLIENTSUBNET): 1 good Nameserver
Nameserver doesn't pass all EDNS-Checks: ns1.cardera.pl: 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
AGood: CAA entries found, creating certificate is limited: geotrust.com is allowed to create certificates
AGood: CAA entries found, creating certificate is limited: letsencrypt.org is allowed to create certificates
Warning: Unknown CAA found: geotrust.com isn't defined. Value isn't longer valid, CAA is closed.

4. 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.
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
https://mail.cardera.pl/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de
404
3.313 seconds
Warning: 404 needs more then one second
ADuration: 49547 milliseconds, 49.547 seconds

 

8. Connections

DomainIPPortCert.ProtocolKeyExchangeStrengthCipherStrengthHashAlgorithmOCSP stapling
Domain/KeyExchangeIP/StrengthPort/CipherCert./StrengthProtocol/HashAlgorithmOCSP stapling
mail.cardera.pl
194.181.34.2
443
ok
Tls12
DiffieHellman
2048
Aes128
128
Sha256
error checking OCSP stapling
ok
mail.cardera.pl
194.181.34.2
443
ok
Tls12

DiffieHellman
2048
Aes128
128
Sha256
error checking OCSP stapling
ok
 
no Tls.1.2
no Tls.1.1
no Tls.1.0

 no Tls.1.2
no Tls.1.1
no Tls.1.0
Chain - incomplete

1CN=mail.cardera.pl


2CN=Let's Encrypt Authority X3, O=Let's Encrypt, C=US


3CN=DST Root CA X3, O=Digital Signature Trust Co.


mail.cardera.pl
mail.cardera.pl
443
ok
Tls12
DiffieHellman
2048
Aes128
128
Sha256
error checking OCSP stapling
ok

mail.cardera.pl
mail.cardera.pl
443
ok
Tls12

DiffieHellman
2048
Aes128
128
Sha256
error checking OCSP stapling
ok
 
no Tls.1.2
no Tls.1.1
no Tls.1.0

 no Tls.1.2
no Tls.1.1
no Tls.1.0
Chain - incomplete

1CN=mail.cardera.pl


2CN=Let's Encrypt Authority X3, O=Let's Encrypt, C=US


3CN=DST Root CA X3, O=Digital Signature Trust Co.

 

9. Certificates

1.
1.
CN=mail.cardera.pl
21.09.2019
20.12.2019
1913 days expired		mail.cardera.pl - 1 entry
1.
1.
CN=mail.cardera.pl
21.09.2019

20.12.2019
1913 days expired


mail.cardera.pl - 1 entry

KeyalgorithmRSA encryption (2048 bit)
Signatur:SHA256 With RSA-Encryption
Serial Number:03B76673503BE596B0C44072C06D4C0D9151
Thumbprint:B57740D3EC0AED72BF79DC8CE81AB1E3347D7ADB
SHA256 / Certificate:uklBbVYvzWchtHS4lpEAoJLm0lGefiTFyPFs2i6pTo8=
SHA256 hex / Cert (DANE * 0 1):e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA256 hex / PublicKey (DANE * 1 1):10da1f9d27979edb0605d170c0a672519a8d1b5d4add18aa4aca839715dd6186
SHA256 hex / Subject Public Key Information (SPKI):10da1f9d27979edb0605d170c0a672519a8d1b5d4add18aa4aca839715dd6186
SPKI checked via https://v1.pwnedkeys.com/spki-hash:Good: Key isn't compromised
OCSP - Url:http://ocsp.int-x3.letsencrypt.org
OCSP - must staple:no
Certificate Transparency:yes
Enhanced Key Usage:Server Authentication (1.3.6.1.5.5.7.3.1), Client Authentication (1.3.6.1.5.5.7.3.2)




2.
CN=Let's Encrypt Authority X3, O=Let's Encrypt, C=US
17.03.2016
17.03.2021
1460 days expired

2.
CN=Let's Encrypt Authority X3, O=Let's Encrypt, C=US
17.03.2016

17.03.2021
1460 days expired




KeyalgorithmRSA encryption (2048 bit)
Signatur:SHA256 With RSA-Encryption
Serial Number:0A0141420000015385736A0B85ECA708
Thumbprint:E6A3B45B062D509B3382282D196EFE97D5956CCB
SHA256 / Certificate:JYR9Zo608E/dQLErawdAxWfafQJDCOtsLJb+QdneIY0=
SHA256 hex / Cert (DANE * 0 1):25847d668eb4f04fdd40b12b6b0740c567da7d024308eb6c2c96fe41d9de218d
SHA256 hex / PublicKey (DANE * 1 1):60b87575447dcba2a36b7d11ac09fb24a9db406fee12d2cc90180517616e8a18
SHA256 hex / Subject Public Key Information (SPKI):60b87575447dcba2a36b7d11ac09fb24a9db406fee12d2cc90180517616e8a18
SPKI checked via https://v1.pwnedkeys.com/spki-hash:Good: Key isn't compromised
OCSP - Url:http://isrg.trustid.ocsp.identrust.com
OCSP - must staple:no
Certificate Transparency:no
Enhanced Key Usage:




3.
CN=DST Root CA X3, O=Digital Signature Trust Co.
30.09.2000
30.09.2021
1263 days expired

3.
CN=DST Root CA X3, O=Digital Signature Trust Co.
30.09.2000

30.09.2021
1263 days expired




KeyalgorithmRSA encryption (2048 bit)
Signatur:SHA-1 with RSA Encryption
Serial Number:44AFB080D6A327BA893039862EF8406B
Thumbprint:DAC9024F54D8F6DF94935FB1732638CA6AD77C13
SHA256 / Certificate:BocmAzGnJAPZCfEF5pvPDTLhvSST/8bZIG0RvNZ3Bzk=
SHA256 hex / Cert (DANE * 0 1):0687260331a72403d909f105e69bcf0d32e1bd2493ffc6d9206d11bcd6770739
SHA256 hex / PublicKey (DANE * 1 1):563b3caf8cfef34c2335caf560a7a95906e8488462eb75ac59784830df9e5b2b
SHA256 hex / Subject Public Key Information (SPKI):563b3caf8cfef34c2335caf560a7a95906e8488462eb75ac59784830df9e5b2b
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:




 

10. Last Certificates - Certificate Transparency Log Check

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

Small Code Update - wait one minute

 

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

No CRT - CT-Log entries found

 

11. Html-Content - Entries

Summary

No data found or small Code-update

 

Details (currently limited to 500 rows - some problems with spam users)

Small Code Update - wait one minute

 

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

Small Code update, wait one minute

 

13. Nameserver - IP-Adresses

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

 

No NameServer - IP address informations found. The feature is new (2020-05-07), so recheck this domain.

 

14. CAA - Entries

DomainnameflagNameValue∑ Queries∑ Timeout
mail.cardera.pl
5
issue
geotrust.com
1
0

5
issue
letsencrypt.org
1
0
cardera.pl
5
issue
letsencrypt.org
1
0
pl
0

no CAA entry found
1
0

 

15. TXT - Entries

DomainnameTXT EntryStatus∑ Queries∑ Timeout
cardera.pl
v=spf1 a mx ptr ip4:194.181.34.0/24 a:mta01.cardera.pl -all
ok
1
0
mail.cardera.pl

ok
1
0
_acme-challenge.mail.cardera.pl

Name Error - The domain name does not exist
1
0
_acme-challenge.mail.cardera.pl.cardera.pl

 perhaps wrong
1
0
_acme-challenge.mail.cardera.pl.mail.cardera.pl

Name Error - The domain name does not exist
1
0

 

16. DomainService - Entries

No DomainServiceEntries entries found

 

 

17. Cipher Suites

No Ciphers found

 

18. Portchecks

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

 

 

Permalink: https://check-your-website.server-daten.de/?i=03f161fc-1fc8-42d4-93c4-e47cac04e761

 

Last Result: https://check-your-website.server-daten.de/?q=mail.cardera.pl - 2019-09-28 14:14:23

 

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