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




X

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

Checked:
02.12.2019 02:03:32


Older results

No older results found


1. IP-Addresses

HostTIP-Addressis auth.∑ Queries∑ Timeout
gcd.best
A
54.249.76.230
Tokyo/Japan (JP) - Amazon Technologies Inc.
Hostname: ec2-54-249-76-230.ap-northeast-1.compute.amazonaws.com
yes
1
0

AAAA

yes


www.gcd.best

Name Error
yes
1
0


2. DNSSEC

Zone (*)DNSSEC - Informations (beta)

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



Status: Valid because published



2 DNSKEY RR found



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



Public Key with Algorithm 8, KeyTag 22545, Flags 256



1 RRSIG RR to validate DNSKEY RR found



Algorithm: 8, 0 Labels, original TTL: 172800 sec, Signature-expiration: 21.12.2019, 00:00:00, Signature-Inception: 30.11.2019, 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: best
best
6 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: 14.12.2019, 17:00:00, Signature-Inception: 01.12.2019, 16:00:00, KeyTag 22545, Signer-Name: (root)



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



9 DNSKEY RR found



Public Key with Algorithm 8, KeyTag 10533, Flags 256



Public Key with Algorithm 8, KeyTag 13891, Flags 257 (SEP = Secure Entry Point)



Public Key with Algorithm 8, KeyTag 23074, Flags 257 (SEP = Secure Entry Point)



Public Key with Algorithm 8, KeyTag 32356, Flags 256



Public Key with Algorithm 8, KeyTag 41279, Flags 257 (SEP = Secure Entry Point)



Public Key with Algorithm 8, KeyTag 48334, Flags 256



Public Key with Algorithm 8, KeyTag 53390, Flags 257 (SEP = Secure Entry Point)



Public Key with Algorithm 8, KeyTag 53701, Flags 256



Public Key with Algorithm 8, KeyTag 64228, Flags 256



1 RRSIG RR to validate DNSKEY RR found



Algorithm: 8, 1 Labels, original TTL: 3600 sec, Signature-expiration: 26.12.2019, 03:48:08, Signature-Inception: 25.11.2019, 23:43:24, KeyTag 41279, Signer-Name: best



Status: Good - Algorithmus 8 and DNSKEY with KeyTag 41279 used to validate the DNSKEY RRSet



Status: Valid Chain of trust. Parent-DS with Algorithm 8, KeyTag 41279, DigestType 1 and Digest "hR6dY0XBZEpx/0QC6Bi774QZcbI=" 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 8, KeyTag 41279, DigestType 2 and Digest "0MJmsUfp+nEiIVzMo2sj1DQHvS8DsuO26RfTULMapf0=" validates local Key with the same values, Key ist Secure Entry Point (SEP) of the zone

Zone: gcd.best
gcd.best
0 DS RR in the parent zone found



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



0 DNSKEY RR found





Zone: www.gcd.best
www.gcd.best
0 DS RR in the parent zone found


3. Name Servers

DomainNameserverNS-IP
www.gcd.best
  ns1.dynadot.com

gcd.best
U  ns1.dynadot.com
35.160.240.86
Portland/Oregon/United States (US) - Amazon Technologies Inc.


U 
52.25.56.204
Portland/Oregon/United States (US) - Amazon.com, Inc.


U 
54.68.4.223
Portland/Oregon/United States (US) - Amazon.com, Inc.


U 
54.69.45.191
Portland/Oregon/United States (US) - Amazon.com, Inc.


U  ns2.dynadot.com
3.214.135.194
Ashburn/Virginia/United States (US) - Amazon Technologies Inc.


U 
3.218.93.94
Ashburn/Virginia/United States (US) - Amazon Technologies Inc.


U 
3.223.22.200
Ashburn/Virginia/United States (US) - Amazon Technologies Inc.


U 
3.224.5.165
Ashburn/Virginia/United States (US) - Amazon Technologies Inc.

best
  a.nic.best / NRDT-75SODK-AB8TIQ


  b.nic.best / FMCL-UEZCAO-YJSSPL


  c.nic.best / FMCL-UEZCAO-YJSSPL


  d.nic.best / NRDT-75SODK-AB8TIQ


4. SOA-Entries


Domain:best
Primary:ns0.centralnic.net
Mail:hostmaster.centralnic.net
Serial:1527061737
Refresh:900
Retry:1800
Expire:6048000
TTL:3600
num Entries:4


Domain:gcd.best
Primary:ns1.dynadot.com
Mail:hostmaster.gcd.best
Serial:1575248503
Refresh:16384
Retry:2048
Expire:1048576
TTL:2560
num Entries:8


5. Url-Checks

Domainname Http-StatusredirectSec.G
• http://gcd.best/
54.249.76.230
-14

10.040
T
Timeout - The operation has timed out

• https://gcd.best/
54.249.76.230
-14

10.033
T
Timeout - The operation has timed out

• http://gcd.best/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de
54.249.76.230
-14

10.056
T
Timeout - The operation has timed out
Visible Content:

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

Aname "gcd.best" is domain, public suffix is "best", top-level-domain-type is "generic", tld-manager is "BestTLD Pty Ltd"
Agood: All ip addresses are public addresses
ADNS: "Name Error" means: No www-dns-entry defined. This isn't a problem
HSTS-Preload-Status: unknown. Domain never included in the Preload-list. Check https://hstspreload.org/ to learn some basics about the Google-Preload-List.
XFatal error: Nameserver isn't defined or has timeout
XFatal error: Nameserver doesn't support TCP connection: ns1.dynadot.com / 35.160.240.86: Fatal error - no NameServer IP-Address or connection. Details: One or more errors occurred. - Es konnte keine Verbindung hergestellt werden, da der Zielcomputer die Verbindung verweigerte 35.160.240.86:53
XFatal error: Nameserver doesn't support TCP connection: ns1.dynadot.com / 52.25.56.204: Fatal error - no NameServer IP-Address or connection. Details: One or more errors occurred. - Es konnte keine Verbindung hergestellt werden, da der Zielcomputer die Verbindung verweigerte 52.25.56.204:53
XFatal error: Nameserver doesn't support TCP connection: ns1.dynadot.com / 54.68.4.223: Fatal error - no NameServer IP-Address or connection. Details: One or more errors occurred. - Es konnte keine Verbindung hergestellt werden, da der Zielcomputer die Verbindung verweigerte 54.68.4.223:53
XFatal error: Nameserver doesn't support TCP connection: ns1.dynadot.com / 54.69.45.191: Fatal error - no NameServer IP-Address or connection. Details: One or more errors occurred. - Es konnte keine Verbindung hergestellt werden, da der Zielcomputer die Verbindung verweigerte 54.69.45.191:53
XFatal error: Nameserver doesn't support TCP connection: ns2.dynadot.com / 3.214.135.194: Fatal error - no NameServer IP-Address or connection. Details: One or more errors occurred. - Es konnte keine Verbindung hergestellt werden, da der Zielcomputer die Verbindung verweigerte 3.214.135.194:53
XFatal error: Nameserver doesn't support TCP connection: ns2.dynadot.com / 3.218.93.94: Fatal error - no NameServer IP-Address or connection. Details: One or more errors occurred. - Es konnte keine Verbindung hergestellt werden, da der Zielcomputer die Verbindung verweigerte 3.218.93.94:53
XFatal error: Nameserver doesn't support TCP connection: ns2.dynadot.com / 3.223.22.200: Fatal error - no NameServer IP-Address or connection. Details: One or more errors occurred. - Es konnte keine Verbindung hergestellt werden, da der Zielcomputer die Verbindung verweigerte 3.223.22.200:53
XFatal error: Nameserver doesn't support TCP connection: ns2.dynadot.com / 3.224.5.165: Fatal error - no NameServer IP-Address or connection. Details: One or more errors occurred. - Es konnte keine Verbindung hergestellt werden, da der Zielcomputer die Verbindung verweigerte 3.224.5.165:53
AGood: Nameserver supports Echo Capitalization: 8 good Nameserver
XFatal error: Nameserver doesn't support EDNS with max. 512 Byte Udp payload or sends more then 512 Bytes: ns1.dynadot.com
XFatal error: Nameserver doesn't support EDNS with max. 512 Byte Udp payload or sends more then 512 Bytes: ns2.dynadot.com
Nameserver doesn't pass all EDNS-Checks: ns1.dynadot.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: ns1.dynadot.com / 35.160.240.86: 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: ns1.dynadot.com / 52.25.56.204: 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: ns1.dynadot.com / 54.68.4.223: 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: ns1.dynadot.com / 54.69.45.191: 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: ns2.dynadot.com / 3.214.135.194: 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: ns2.dynadot.com / 3.218.93.94: 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: ns2.dynadot.com / 3.223.22.200: 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: ns2.dynadot.com / 3.224.5.165: 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: 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.dynadot.com,ns2.dynadot.com
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.
http://gcd.best/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de 54.249.76.230
-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.
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: 179320 milliseconds, 179.320 seconds


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

No connection informations found. Perhaps only http - connections.


8. Certificates

No certificate informations found. Perhaps only http - connections.


9. Last Certificates - Certificate Transparency Log Check

1. Source CertSpotter - active certificates

No CertSpotter - CT-Log entries found


2. Source crt.sh - old and new certificates, sometimes very slow (currently no newer certificates - read Crt.sh has stopped - Letsencrypt-forum - may work next week again - 2019-12-02 - but I must check the code).

No CRT - CT-Log entries found


10. Html-Content - Entries

No Html-Content entries found. Only checked if https + status 200/401/403/404


11. CAA - Entries

DomainnameflagNameValue∑ Queries∑ Timeout
gcd.best
0

no CAA entry found
1
0
best
0

no CAA entry found
1
0


12. TXT - Entries

DomainnameTXT EntryStatus∑ Queries∑ Timeout
gcd.best

ok
1
0
_acme-challenge.gcd.best

Name Error - The domain name does not exist
1
0
_acme-challenge.gcd.best.gcd.best

Name Error - The domain name does not exist
1
0


13. Portchecks (BETA)

Domain or IPPortDescriptionResultAnswer
gcd.best
21
FTP



gcd.best
21
FTP



gcd.best
22
SSH



gcd.best
22
SSH



gcd.best
25
SMTP



gcd.best
25
SMTP



gcd.best
53
DNS



gcd.best
53
DNS



gcd.best
110
POP3



gcd.best
110
POP3



gcd.best
143
IMAP



gcd.best
143
IMAP



gcd.best
465
SMTP (encrypted)



gcd.best
465
SMTP (encrypted)



gcd.best
587
SMTP (encrypted, submission)



gcd.best
587
SMTP (encrypted, submission)



gcd.best
993
IMAP (encrypted)



gcd.best
993
IMAP (encrypted)



gcd.best
995
POP3 (encrypted)



gcd.best
995
POP3 (encrypted)



gcd.best
1433
MS SQL



gcd.best
1433
MS SQL



gcd.best
2082
cPanel (http)



gcd.best
2082
cPanel (http)



gcd.best
2083
cPanel (https)



gcd.best
2083
cPanel (https)



gcd.best
2086
WHM (http)



gcd.best
2086
WHM (http)



gcd.best
2087
WHM (https)



gcd.best
2087
WHM (https)



gcd.best
2089
cPanel Licensing



gcd.best
2089
cPanel Licensing



gcd.best
2095
cPanel Webmail (http)



gcd.best
2095
cPanel Webmail (http)



gcd.best
2096
cPanel Webmail (https)



gcd.best
2096
cPanel Webmail (https)



gcd.best
2222
DirectAdmin (http)



gcd.best
2222
DirectAdmin (http)



gcd.best
2222
DirectAdmin (https)



gcd.best
2222
DirectAdmin (https)



gcd.best
3306
mySql



gcd.best
3306
mySql



gcd.best
5224
Plesk Licensing



gcd.best
5224
Plesk Licensing



gcd.best
5432
PostgreSQL



gcd.best
5432
PostgreSQL



gcd.best
8080
Ookla Speedtest (http)



gcd.best
8080
Ookla Speedtest (http)



gcd.best
8080
Ookla Speedtest (https)



gcd.best
8080
Ookla Speedtest (https)



gcd.best
8083
VestaCP http



gcd.best
8083
VestaCP http



gcd.best
8083
VestaCP https



gcd.best
8083
VestaCP https



gcd.best
8443
Plesk Administration (https)



gcd.best
8443
Plesk Administration (https)



gcd.best
8447
Plesk Installer + Updates



gcd.best
8447
Plesk Installer + Updates



gcd.best
8880
Plesk Administration (http)



gcd.best
8880
Plesk Administration (http)



gcd.best
10000
Webmin (http)



gcd.best
10000
Webmin (http)



gcd.best
10000
Webmin (https)



gcd.best
10000
Webmin (https)



54.249.76.230
21
FTP



54.249.76.230
21
FTP



54.249.76.230
22
SSH



54.249.76.230
22
SSH



54.249.76.230
25
SMTP



54.249.76.230
25
SMTP



54.249.76.230
53
DNS



54.249.76.230
53
DNS



54.249.76.230
110
POP3



54.249.76.230
110
POP3



54.249.76.230
143
IMAP



54.249.76.230
143
IMAP



54.249.76.230
465
SMTP (encrypted)



54.249.76.230
465
SMTP (encrypted)



54.249.76.230
587
SMTP (encrypted, submission)



54.249.76.230
587
SMTP (encrypted, submission)



54.249.76.230
993
IMAP (encrypted)



54.249.76.230
993
IMAP (encrypted)



54.249.76.230
995
POP3 (encrypted)



54.249.76.230
995
POP3 (encrypted)



54.249.76.230
1433
MS SQL



54.249.76.230
1433
MS SQL



54.249.76.230
2082
cPanel (http)



54.249.76.230
2082
cPanel (http)



54.249.76.230
2083
cPanel (https)



54.249.76.230
2083
cPanel (https)



54.249.76.230
2086
WHM (http)



54.249.76.230
2086
WHM (http)



54.249.76.230
2087
WHM (https)



54.249.76.230
2087
WHM (https)



54.249.76.230
2089
cPanel Licensing



54.249.76.230
2089
cPanel Licensing



54.249.76.230
2095
cPanel Webmail (http)



54.249.76.230
2095
cPanel Webmail (http)



54.249.76.230
2096
cPanel Webmail (https)



54.249.76.230
2096
cPanel Webmail (https)



54.249.76.230
2222
DirectAdmin (http)



54.249.76.230
2222
DirectAdmin (http)



54.249.76.230
2222
DirectAdmin (https)



54.249.76.230
2222
DirectAdmin (https)



54.249.76.230
3306
mySql



54.249.76.230
3306
mySql



54.249.76.230
5224
Plesk Licensing



54.249.76.230
5224
Plesk Licensing



54.249.76.230
5432
PostgreSQL



54.249.76.230
5432
PostgreSQL



54.249.76.230
8080
Ookla Speedtest (http)



54.249.76.230
8080
Ookla Speedtest (http)



54.249.76.230
8080
Ookla Speedtest (https)



54.249.76.230
8080
Ookla Speedtest (https)



54.249.76.230
8083
VestaCP http



54.249.76.230
8083
VestaCP http



54.249.76.230
8083
VestaCP https



54.249.76.230
8083
VestaCP https



54.249.76.230
8443
Plesk Administration (https)



54.249.76.230
8443
Plesk Administration (https)



54.249.76.230
8447
Plesk Installer + Updates



54.249.76.230
8447
Plesk Installer + Updates



54.249.76.230
8880
Plesk Administration (http)



54.249.76.230
8880
Plesk Administration (http)



54.249.76.230
10000
Webmin (http)



54.249.76.230
10000
Webmin (http)



54.249.76.230
10000
Webmin (https)



54.249.76.230
10000
Webmin (https)





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