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




X

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

Checked:
10.09.2019 23:18:20


Older results

No older results found


1. IP-Addresses

HostTIP-Addressis auth.∑ Queries∑ Timeout
vtr.duckdns.org


yes
3
3
www.vtr.duckdns.org


yes
3
3


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 59944, Flags 256



1 RRSIG RR to validate DNSKEY RR found



Algorithm: 8, 0 Labels, original TTL: 172800 sec, Signature-expiration: 30.09.2019, 00:00:00, Signature-Inception: 09.09.2019, 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: org
org
2 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: 23.09.2019, 20:00:00, Signature-Inception: 10.09.2019, 19:00:00, KeyTag 59944, Signer-Name: (root)



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



4 DNSKEY RR found



Public Key with Algorithm 7, KeyTag 9795, Flags 257 (SEP = Secure Entry Point)



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



Public Key with Algorithm 7, KeyTag 36752, Flags 256



Public Key with Algorithm 7, KeyTag 47612, Flags 256



3 RRSIG RR to validate DNSKEY RR found



Algorithm: 7, 1 Labels, original TTL: 900 sec, Signature-expiration: 30.09.2019, 15:29:21, Signature-Inception: 09.09.2019, 14:29:21, KeyTag 9795, Signer-Name: org



Algorithm: 7, 1 Labels, original TTL: 900 sec, Signature-expiration: 30.09.2019, 15:29:21, Signature-Inception: 09.09.2019, 14:29:21, KeyTag 17883, Signer-Name: org



Algorithm: 7, 1 Labels, original TTL: 900 sec, Signature-expiration: 30.09.2019, 15:29:21, Signature-Inception: 09.09.2019, 14:29:21, KeyTag 47612, Signer-Name: org



Status: Good - Algorithmus 7 and DNSKEY with KeyTag 9795 used to validate the DNSKEY RRSet



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



Status: Good - Algorithmus 7 and DNSKEY with KeyTag 47612 used to validate the DNSKEY RRSet



Status: Valid Chain of trust. Parent-DS with Algorithm 7, KeyTag 9795, DigestType 1 and Digest "Nk36s9ryVMq0d7VnWxB2bdqiSYI=" 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 9795, DigestType 2 and Digest "OSKzG286TqkrGet7UhIPAx/Y4F/wsDuvz5+JG/5/+OU=" 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 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: vtr.duckdns.org
vtr.duckdns.org
0 DS RR in the parent zone found

Zone: www.vtr.duckdns.org
www.vtr.duckdns.org
0 DS RR in the parent zone found


3. Name Servers

DomainNameserverNS-IP
www.vtr.duckdns.org
 

vtr.duckdns.org
 

duckdns.org
U  ns1.duckdns.org


U  ns2.duckdns.org


U  ns3.duckdns.org

org
  a0.org.afilias-nst.info / ns000b.app12.mia2.afilias-nst.info


  a2.org.afilias-nst.info / 2.fra.pch


  b0.org.afilias-nst.org / ns000b.app25.ams2.afilias-nst.info


  b2.org.afilias-nst.org / 5.fra.pch


  c0.org.afilias-nst.info / ns000a.app2.ams2.afilias-nst.info


  d0.org.afilias-nst.org / app13.iad1.hosts.meta.redstone.afilias-nst.info-2


4. SOA-Entries


Domain:org
Primary:a0.org.afilias-nst.info
Mail:noc.afilias-nst.info
Serial:2013622281
Refresh:1800
Retry:900
Expire:604800
TTL:86400
num Entries:6


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


5. Url-Checks

Domainname Http-StatusredirectSec.G







6. Comments

Aname "vtr.duckdns.org" is domain, public suffix is "duckdns.org", top-level-domain-type is "generic", tld-manager is "Public Interest Registry (PIR)"
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 doesn't support TCP connection: ns1.duckdns.org: 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 54.187.92.222:53
XFatal error: Nameserver doesn't support TCP connection: ns2.duckdns.org: 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 54.191.117.119:53
XFatal error: Nameserver doesn't support TCP connection: ns3.duckdns.org: 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 52.26.169.94:53
XNameserver Timeout checking Echo Capitalization: ns1.duckdns.org
XNameserver Timeout checking Echo Capitalization: ns2.duckdns.org
XNameserver Timeout checking EDNS512: ns2.duckdns.org
XNameserver Timeout checking EDNS512: ns3.duckdns.org


Nameserver doesn't pass all EDNS-Checks: ns1.duckdns.org: OP100: fatal timeout. 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: fatal timeout. NSID: fatal timeout. 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: ns3.duckdns.org: OP100: fatal timeout. FLAGS: fatal timeout. V1: fatal timeout. V1OP100: fatal timeout. 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: fatal timeout. CLIENTSUBNET: fatal timeout.
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: 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: 120450 milliseconds, 120.450 seconds


7. Connections

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.

Issuerlast 7 daysactivenum Certs
CN=Let's Encrypt Authority X3, O=Let's Encrypt, C=US
0
0
5

CRT-IdIssuernot beforenot afterDomain namesLE-Duplicatenext LE
1463178860
leaf cert
CN=Let's Encrypt Authority X3, O=Let's Encrypt, C=US
2019-05-06 16:50:14
2019-08-04 16:50:14
vtr.duckdns.org
1 entries


1179349445
leaf cert
CN=Let's Encrypt Authority X3, O=Let's Encrypt, C=US
2019-02-06 13:13:13
2019-05-07 12:13:13
vtr.duckdns.org
1 entries


933353416
leaf cert
CN=Let's Encrypt Authority X3, O=Let's Encrypt, C=US
2018-11-09 20:26:37
2019-02-07 20:26:37
vtr.duckdns.org
1 entries


292686621
leaf cert
CN=Let's Encrypt Authority X3, O=Let's Encrypt, C=US
2017-12-31 21:57:48
2018-03-31 20:57:48
vtr.duckdns.org
1 entries


234225747
leaf cert
CN=Let's Encrypt Authority X3, O=Let's Encrypt, C=US
2017-10-18 09:49:55
2018-01-16 10:49:55
vtr.duckdns.org
1 entries



10. Html-Content - Entries

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


11. CAA - Entries

DomainnameflagNameValue∑ Queries∑ Timeout
duckdns.org
0

no CAA entry found
1
0
org
0

no CAA entry found
1
0


12. TXT - Entries

No TXT entries found


13. Portchecks (BETA)

Domain or IPPortDescriptionResultAnswer
vtr.duckdns.org
21
FTP



vtr.duckdns.org
21
FTP



vtr.duckdns.org
22
SSH



vtr.duckdns.org
22
SSH



vtr.duckdns.org
25
SMTP



vtr.duckdns.org
25
SMTP



vtr.duckdns.org
53
DNS



vtr.duckdns.org
53
DNS



vtr.duckdns.org
110
POP3



vtr.duckdns.org
110
POP3



vtr.duckdns.org
143
IMAP



vtr.duckdns.org
143
IMAP



vtr.duckdns.org
465
SMTP (encrypted)



vtr.duckdns.org
465
SMTP (encrypted)



vtr.duckdns.org
587
SMTP (encrypted, submission)



vtr.duckdns.org
587
SMTP (encrypted, submission)



vtr.duckdns.org
993
IMAP (encrypted)



vtr.duckdns.org
993
IMAP (encrypted)



vtr.duckdns.org
995
POP3 (encrypted)



vtr.duckdns.org
995
POP3 (encrypted)



vtr.duckdns.org
1433
MS SQL



vtr.duckdns.org
1433
MS SQL



vtr.duckdns.org
2082
cPanel (http)



vtr.duckdns.org
2082
cPanel (http)



vtr.duckdns.org
2083
cPanel (https)



vtr.duckdns.org
2083
cPanel (https)



vtr.duckdns.org
2086
WHM (http)



vtr.duckdns.org
2086
WHM (http)



vtr.duckdns.org
2087
WHM (https)



vtr.duckdns.org
2087
WHM (https)



vtr.duckdns.org
2089
cPanel Licensing



vtr.duckdns.org
2089
cPanel Licensing



vtr.duckdns.org
2095
cPanel Webmail (http)



vtr.duckdns.org
2095
cPanel Webmail (http)



vtr.duckdns.org
2096
cPanel Webmail (https)



vtr.duckdns.org
2096
cPanel Webmail (https)



vtr.duckdns.org
2222
DirectAdmin (http)



vtr.duckdns.org
2222
DirectAdmin (http)



vtr.duckdns.org
2222
DirectAdmin (https)



vtr.duckdns.org
2222
DirectAdmin (https)



vtr.duckdns.org
3306
mySql



vtr.duckdns.org
3306
mySql



vtr.duckdns.org
5224
Plesk Licensing



vtr.duckdns.org
5224
Plesk Licensing



vtr.duckdns.org
5432
PostgreSQL



vtr.duckdns.org
5432
PostgreSQL



vtr.duckdns.org
8080
Ookla Speedtest (http)



vtr.duckdns.org
8080
Ookla Speedtest (http)



vtr.duckdns.org
8080
Ookla Speedtest (https)



vtr.duckdns.org
8080
Ookla Speedtest (https)



vtr.duckdns.org
8083
VestaCP http



vtr.duckdns.org
8083
VestaCP http



vtr.duckdns.org
8083
VestaCP https



vtr.duckdns.org
8083
VestaCP https



vtr.duckdns.org
8443
Plesk Administration (https)



vtr.duckdns.org
8443
Plesk Administration (https)



vtr.duckdns.org
8447
Plesk Installer + Updates



vtr.duckdns.org
8447
Plesk Installer + Updates



vtr.duckdns.org
8880
Plesk Administration (http)



vtr.duckdns.org
8880
Plesk Administration (http)



vtr.duckdns.org
10000
Webmin (http)



vtr.duckdns.org
10000
Webmin (http)



vtr.duckdns.org
10000
Webmin (https)



vtr.duckdns.org
10000
Webmin (https)



www.vtr.duckdns.org
21
FTP



www.vtr.duckdns.org
21
FTP



www.vtr.duckdns.org
22
SSH



www.vtr.duckdns.org
22
SSH



www.vtr.duckdns.org
25
SMTP



www.vtr.duckdns.org
25
SMTP



www.vtr.duckdns.org
53
DNS



www.vtr.duckdns.org
53
DNS



www.vtr.duckdns.org
110
POP3



www.vtr.duckdns.org
110
POP3



www.vtr.duckdns.org
143
IMAP



www.vtr.duckdns.org
143
IMAP



www.vtr.duckdns.org
465
SMTP (encrypted)



www.vtr.duckdns.org
465
SMTP (encrypted)



www.vtr.duckdns.org
587
SMTP (encrypted, submission)



www.vtr.duckdns.org
587
SMTP (encrypted, submission)



www.vtr.duckdns.org
993
IMAP (encrypted)



www.vtr.duckdns.org
993
IMAP (encrypted)



www.vtr.duckdns.org
995
POP3 (encrypted)



www.vtr.duckdns.org
995
POP3 (encrypted)



www.vtr.duckdns.org
1433
MS SQL



www.vtr.duckdns.org
1433
MS SQL



www.vtr.duckdns.org
2082
cPanel (http)



www.vtr.duckdns.org
2082
cPanel (http)



www.vtr.duckdns.org
2083
cPanel (https)



www.vtr.duckdns.org
2083
cPanel (https)



www.vtr.duckdns.org
2086
WHM (http)



www.vtr.duckdns.org
2086
WHM (http)



www.vtr.duckdns.org
2087
WHM (https)



www.vtr.duckdns.org
2087
WHM (https)



www.vtr.duckdns.org
2089
cPanel Licensing



www.vtr.duckdns.org
2089
cPanel Licensing



www.vtr.duckdns.org
2095
cPanel Webmail (http)



www.vtr.duckdns.org
2095
cPanel Webmail (http)



www.vtr.duckdns.org
2096
cPanel Webmail (https)



www.vtr.duckdns.org
2096
cPanel Webmail (https)



www.vtr.duckdns.org
2222
DirectAdmin (http)



www.vtr.duckdns.org
2222
DirectAdmin (http)



www.vtr.duckdns.org
2222
DirectAdmin (https)



www.vtr.duckdns.org
2222
DirectAdmin (https)



www.vtr.duckdns.org
3306
mySql



www.vtr.duckdns.org
3306
mySql



www.vtr.duckdns.org
5224
Plesk Licensing



www.vtr.duckdns.org
5224
Plesk Licensing



www.vtr.duckdns.org
5432
PostgreSQL



www.vtr.duckdns.org
5432
PostgreSQL



www.vtr.duckdns.org
8080
Ookla Speedtest (http)



www.vtr.duckdns.org
8080
Ookla Speedtest (http)



www.vtr.duckdns.org
8080
Ookla Speedtest (https)



www.vtr.duckdns.org
8080
Ookla Speedtest (https)



www.vtr.duckdns.org
8083
VestaCP http



www.vtr.duckdns.org
8083
VestaCP http



www.vtr.duckdns.org
8083
VestaCP https



www.vtr.duckdns.org
8083
VestaCP https



www.vtr.duckdns.org
8443
Plesk Administration (https)



www.vtr.duckdns.org
8443
Plesk Administration (https)



www.vtr.duckdns.org
8447
Plesk Installer + Updates



www.vtr.duckdns.org
8447
Plesk Installer + Updates



www.vtr.duckdns.org
8880
Plesk Administration (http)



www.vtr.duckdns.org
8880
Plesk Administration (http)



www.vtr.duckdns.org
10000
Webmin (http)



www.vtr.duckdns.org
10000
Webmin (http)



www.vtr.duckdns.org
10000
Webmin (https)



www.vtr.duckdns.org
10000
Webmin (https)





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