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




X

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

Checked:
14.03.2019 07:45:39


Older results

No older results found


1. IP-Addresses

HostTIP-Addressis auth.∑ Queries∑ Timeout
test.51dtxy.com
A
120.79.241.249
No Hostname found
yes
1
0

AAAA

yes


www.test.51dtxy.com

Name Error
yes
1
0


2. DNSSEC

Zone (*)DNSSEC - Informations (beta)

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



Status: Valid because published



3 DNSKEY RR found



Public Key with Algorithm 8, KeyTag 16749, Flags 256



Public Key with Algorithm 8, KeyTag 19164, Flags 385



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



2 RRSIG RR to validate DNSKEY RR found



Algorithm: 8, 0 Labels, original TTL: 172800 sec, Signature-expiration: 02.04.2019, 00:00:00, Signature-Inception: 12.03.2019, 00:00:00, KeyTag 19164, Signer-Name: (root)



Algorithm: 8, 0 Labels, original TTL: 172800 sec, Signature-expiration: 02.04.2019, 00:00:00, Signature-Inception: 12.03.2019, 00:00:00, KeyTag 20326, Signer-Name: (root)



Status: Good - Algorithmus 8 and DNSKEY with KeyTag 19164 used to validate the DNSKEY RRSet



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: com
com
1 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: 27.03.2019, 05:00:00, Signature-Inception: 14.03.2019, 04:00:00, KeyTag 16749, Signer-Name: (root)



Status: Good - Algorithmus 8 and DNSKEY with KeyTag 16749 used to validate the DS RRSet in the parent zone



2 DNSKEY RR found



Public Key with Algorithm 8, KeyTag 16883, Flags 256



Public Key with Algorithm 8, KeyTag 30909, Flags 257 (SEP = Secure Entry Point)



1 RRSIG RR to validate DNSKEY RR found



Algorithm: 8, 1 Labels, original TTL: 86400 sec, Signature-expiration: 28.03.2019, 18:25:33, Signature-Inception: 13.03.2019, 18:20:33, KeyTag 30909, Signer-Name: com



Status: Good - Algorithmus 8 and DNSKEY with KeyTag 30909 used to validate the DNSKEY RRSet



Status: Valid Chain of trust. Parent-DS with Algorithm 8, KeyTag 30909, DigestType 2 and Digest "4tPJFvbe6scylOgmj7WIUESoM/xUWViPSpGEz8QaV2Y=" validates local Key with the same values, Key ist Secure Entry Point (SEP) of the zone

Zone: 51dtxy.com
51dtxy.com
0 DS RR in the parent zone found



0 DNSKEY RR found





Zone: test.51dtxy.com
test.51dtxy.com
0 DS RR in the parent zone found



0 DNSKEY RR found





Zone: www.test.51dtxy.com
www.test.51dtxy.com
0 DS RR in the parent zone found


3. Name Servers

DomainNameserverNS-IP
www.test.51dtxy.com
  dns19.hichina.com

test.51dtxy.com
  dns19.hichina.com
106.11.141.117

 
140.205.81.17

 
106.11.211.67

 
140.205.81.27

 
106.11.141.127

U 
106.11.211.57

 
140.205.41.27

 
140.205.41.17

U 
2400:3200:2000:38::1
51dtxy.com
  dns19.hichina.com


  dns20.hichina.com

com
  a.gtld-servers.net


  b.gtld-servers.net


  c.gtld-servers.net


  d.gtld-servers.net


  e.gtld-servers.net


  f.gtld-servers.net


  g.gtld-servers.net


  h.gtld-servers.net


  i.gtld-servers.net


  j.gtld-servers.net


  k.gtld-servers.net


  l.gtld-servers.net


  m.gtld-servers.net


4. SOA-Entries


Domain:com
Primary:a.gtld-servers.net
Mail:nstld.verisign-grs.com
Serial:1552545919
Refresh:1800
Retry:900
Expire:604800
TTL:86400
num Entries:10


Domain:com
Primary:a.gtld-servers.net
Mail:nstld.verisign-grs.com
Serial:1552545934
Refresh:1800
Retry:900
Expire:604800
TTL:86400
num Entries:3


Domain:51dtxy.com
Primary:dns19.hichina.com
Mail:hostmaster.hichina.com
Serial:2018061920
Refresh:3600
Retry:1200
Expire:86400
TTL:360
num Entries:1


Domain:test.51dtxy.com
Primary:dns19.hichina.com
Mail:hostmaster.hichina.com
Serial:2018061920
Refresh:3600
Retry:1200
Expire:86400
TTL:360
num Entries:8


5. Url-Checks


:

:
Domainname Http-StatusredirectSec.G
• http://test.51dtxy.com/
120.79.241.249
301
https://test.51dtxy.com/
0.500
A
Server: nginx
Date: Thu, 14 Mar 2019 06:52:14 GMT
Content-Type: text/html
Content-Length: 178
Connection: close
Location: https://test.51dtxy.com/

• https://test.51dtxy.com/
120.79.241.249
200

3.896
B
Server: nginx
Date: Thu, 14 Mar 2019 06:52:15 GMT
Content-Type: text/html; charset=UTF-8
Content-Length: 612
Last-Modified: Wed, 31 Oct 2018 07:32:46 GMT
Connection: close
ETag: "5bd95a9e-264"
Accept-Ranges: bytes

• http://test.51dtxy.com/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de
120.79.241.249
301
https://test.51dtxy.com/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de
0.494
A
Visible Content: 301 Moved Permanently nginx
Server: nginx
Date: Thu, 14 Mar 2019 06:52:18 GMT
Content-Type: text/html
Content-Length: 178
Connection: close
Location: https://test.51dtxy.com/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de

• https://test.51dtxy.com/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de

404

3.380
A
Not Found
Visible Content: 404 Not Found nginx
Server: nginx
Date: Thu, 14 Mar 2019 06:52:19 GMT
Content-Type: text/html; charset=UTF-8
Content-Length: 162
Connection: close

6. Comments

Aname "test.51dtxy.com" is subdomain, public suffix is "com", top-level-domain-type is "generic", tld-manager is "VeriSign Global Registry Services"
Agood: All ip addresses are public addresses
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: All urls with http status 200/404 have a complete Content-Type header (MediaType / MediaSubType + correct charset)
Ahttp://test.51dtxy.com/ 120.79.241.249
301
https://test.51dtxy.com/
correct redirect http - https with the same domain name
Bhttps://test.51dtxy.com/ 120.79.241.249
200

Missing HSTS-Header
XFatal error: Nameserver isn't defined or has timeout
XFatal error: Nameserver doesn't support TCP connection: dns19.hichina.com / 140.205.41.17: Timeout
XFatal error: Nameserver doesn't support TCP connection: dns19.hichina.com / 2400:3200:2000:38::1: Fatal error - no NameServer IP-Address or connection. Details: One or more errors occurred. - No connection could be made because the target machine actively refused it [2400:3200:2000:38::1]:53
XFatal error: Nameserver doesn't support TCP connection: dns20.hichina.com: Timeout
XFatal error: Nameserver doesn't support TCP connection: dns19.hichina.com / 106.11.211.57: Fatal error - no NameServer IP-Address or connection. Details: One or more errors occurred. - No connection could be made because the target machine actively refused it 106.11.211.57:53
XFatal error: Nameserver doesn't support TCP connection: dns19.hichina.com: Timeout
XFatal error: Nameserver doesn't support TCP connection: dns19.hichina.com / 140.205.81.27: Timeout
XFatal error: Nameserver doesn't support TCP connection: dns19.hichina.com / 140.205.41.27: Timeout
XFatal error: Nameserver doesn't support TCP connection: dns19.hichina.com / 106.11.141.127: Timeout
XFatal error: Nameserver doesn't support TCP connection: dns19.hichina.com / 106.11.141.117: Timeout
XFatal error: Nameserver doesn't support TCP connection: dns19.hichina.com / 140.205.81.17: Timeout
XFatal error: Nameserver doesn't support TCP connection: dns19.hichina.com / 106.11.211.67: Timeout
AGood: Nameserver supports Echo Capitalization: 9 good Nameserver
AGood: Nameserver supports EDNS with max. 512 Byte Udp payload, message is smaller: 9 good Nameserver
Nameserver doesn't pass all EDNS-Checks: dns19.hichina.com: 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: dns19.hichina.com: OP100: fatal timeout. FLAGS: ok. V1: ok. V1OP100: ok. V1FLAGS: ok. DNSSEC: ok. V1DNSSEC: ok. NSID: ok. COOKIE: ok. CLIENTSUBNET: ok.
Nameserver doesn't pass all EDNS-Checks: dns19.hichina.com / 140.205.41.17: OP100: ok. FLAGS: ok. V1: ok. V1OP100: ok. V1FLAGS: ok. DNSSEC: ok. V1DNSSEC: ok. NSID: fatal timeout. COOKIE: ok. CLIENTSUBNET: ok.
Nameserver doesn't pass all EDNS-Checks: dns19.hichina.com / 106.11.141.117: OP100: ok. FLAGS: fatal timeout. V1: ok. V1OP100: ok. V1FLAGS: ok. DNSSEC: ok. V1DNSSEC: ok. NSID: ok. COOKIE: ok. CLIENTSUBNET: ok.
Nameserver doesn't pass all EDNS-Checks: dns19.hichina.com / 106.11.211.67: OP100: fatal timeout. FLAGS: ok. V1: ok. V1OP100: ok. V1FLAGS: ok. DNSSEC: ok. V1DNSSEC: ok. NSID: ok. COOKIE: ok. CLIENTSUBNET: ok.
Nameserver doesn't pass all EDNS-Checks: dns19.hichina.com / 2400:3200:2000:38::1: OP100: fatal timeout. FLAGS: ok. V1: ok. V1OP100: fatal timeout. V1FLAGS: fatal timeout. DNSSEC: fatal timeout. V1DNSSEC: fatal timeout. 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.
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://test.51dtxy.com/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de
404
3.380 seconds
Warning: 404 needs more then one second
ADuration: 402437 milliseconds, 402.437 seconds


7. Connections

DomainIPPortCert.ProtocolKeyExchangeStrengthCipherStrengthHashAlgorithmOCSP stapling
Domain/KeyExchangeIP/StrengthPort/CipherCert./StrengthProtocol/HashAlgorithmOCSP stapling
test.51dtxy.com
120.79.241.249
443
ok
Tls12
ECDH Ephermal
256
Aes256
256
Sha384
error checking OCSP stapling
ok
test.51dtxy.com
120.79.241.249
443
ok
Tls12
ECDH Ephermal
256
Aes256
256
Sha384
error checking OCSP stapling
ok
Chain (complete)
1CN = test.51dtxy.com

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


8. Certificates

1.
1.
CN=test.51dtxy.com
24.01.2019
24.04.2019
146 days expired
csxt.51dtxy.com, test.51dtxy.com - 2 entries
1.
1.
CN=test.51dtxy.com
24.01.2019

24.04.2019
146 days expired
csxt.51dtxy.com, test.51dtxy.com - 2 entries

KeyalgorithmRSA encryption (2048 bit)
Signatur:SHA256 With RSA-Encryption
Serial Number:0348B05EC8521A67B37FACBF13F94517F6E4
Thumbprint:81EC6D2162EE3362D5E026712C8E796C117A66E6
SHA256 / Certificate:Cag1we2UGfYwGWpVSt/0pHI0dbxghNd9r1aalwVPskk=
SHA256 hex / Cert (DANE * 0 1):09a835c1ed9419f630196a554adff4a4723475bc6084d77daf569a97054fb249
SHA256 hex / PublicKey (DANE * 1 1):28871d367d8ae30da7db0167738f981dc433f96880f29365189193679d62e5d4
OCSP - Url:http://ocsp.int-x3.letsencrypt.org
OCSP - must staple:no
Certificate Transparency:yes


2.
CN=Let's Encrypt Authority X3, O=Let's Encrypt, C=US
17.03.2016
17.03.2021
expires in 547 days


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

17.03.2021
expires in 547 days


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
OCSP - Url:http://isrg.trustid.ocsp.identrust.com
OCSP - must staple:no
Certificate Transparency:no


3.
CN=DST Root CA X3, O=Digital Signature Trust Co.
30.09.2000
30.09.2021
expires in 744 days


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

30.09.2021
expires in 744 days


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
OCSP - Url:
OCSP - must staple:no
Certificate Transparency:no



9. Last Certificates - Certificate Transparency Log Check

1. Source CertSpotter - active certificates

No CertSpotter - Certificate-Transparency-Log informations found. The feature is new (startet 2019-05-07), so recheck this domain.


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

No Certificate-Transparency-Log informations found. The feature is new (startet 2019-03-21), so recheck this domain.


10. Html-Content - Entries

Summary

Subresource Integrity (SRI)
DomainnameHtmlElementrel/property∑ size∑ problems∑ int.∑ ext.∑ Origin poss.∑ SRI ParseErrors∑ SRI valid∑ SRI missing
https://test.51dtxy.com/
120.79.241.249
a

2

0






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

DomainnameHtml-Elementname/equiv/ property/relhref/src/contentHttpStatusmsgStatus
https://test.51dtxy.com/
120.79.241.249
a

http://nginx.com/


1
ok



a

http://nginx.org/


1
ok



11. CAA - Entries

DomainnameflagNameValue∑ Queries∑ Timeout
test.51dtxy.com
0

no CAA entry found
1
0
51dtxy.com
0

no CAA entry found
1
0
com
0

no CAA entry found
1
0


12. TXT - Entries

DomainnameTXT EntryStatus∑ Queries∑ Timeout
test.51dtxy.com

ok
1
0
_acme-challenge.test.51dtxy.com

Name Error - The domain name does not exist
1
0
_acme-challenge.test.51dtxy.com.test.51dtxy.com

Name Error - The domain name does not exist
1
0


13. Portchecks (BETA)

No Port informations found. The feature is new (startet 2019-07-09), so recheck this domain.



Permalink: https://check-your-website.server-daten.de/?i=44478aee-4263-4d28-bea5-5a653c69eec7


Last Result: https://check-your-website.server-daten.de/?q=test.51dtxy.com - 2019-03-14 07:45:39


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