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




X

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

Checked:
02.12.2019 09:17:57


Older results

No older results found


1. IP-Addresses

HostTIP-Addressis auth.∑ Queries∑ Timeout
sellitback.celadon.ae
A

yes
1
0

AAAA

yes


www.sellitback.celadon.ae

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: ae
ae
0 DS RR in the parent zone found



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



0 DNSKEY RR found





Zone: celadon.ae
celadon.ae
0 DS RR in the parent zone found



0 DNSKEY RR found





Zone: sellitback.celadon.ae
sellitback.celadon.ae
0 DS RR in the parent zone found



0 DNSKEY RR found





Zone: www.sellitback.celadon.ae
www.sellitback.celadon.ae
0 DS RR in the parent zone found


3. Name Servers

DomainNameserverNS-IP
www.sellitback.celadon.ae
  ns1.digitalocean.com

sellitback.celadon.ae
  ns1.digitalocean.com / 67m5
173.245.58.51
Ashburn/Virginia/United States (US) - Cloudflare, Inc.


 
2400:cb00:2049:1::adf5:3a33
Columbus/North Carolina/United States (US) - CLOUDFLARE


  ns2.digitalocean.com / 67m17
173.245.59.41
Ashburn/Virginia/United States (US) - Cloudflare, Inc.


 
2400:cb00:2049:1::adf5:3b29
Columbus/North Carolina/United States (US) - CLOUDFLARE


  ns3.digitalocean.com / 67m20
198.41.222.173
Newark/New Jersey/United States (US) - Cloudflare, Inc.


 
2400:cb00:2049:1::c629:dead
Columbus/North Carolina/United States (US) - CLOUDFLARE

celadon.ae
  ns1.hosting.reg.ru / ns17.hosting.reg.ru


  ns2.hosting.reg.ru / ns18.hosting.reg.ru

ae
  ns1.aedns.ae


  ns2.aedns.ae


  ns4.apnic.net / ns4-de1.apnic.net


  nsext-pch.aedns.ae / 4.fra.pch


  sns-pb.isc.org / pb-ams-ns2.sns.isc.org


4. SOA-Entries


Domain:ae
Primary:ns1.aedns.ae
Mail:dns.aeda.ae
Serial:2011749821
Refresh:10800
Retry:900
Expire:604800
TTL:3600
num Entries:5


Domain:celadon.ae
Primary:server167.hosting.reg.ru
Mail:support.reg.ru
Serial:2017062593
Refresh:3600
Retry:3600
Expire:604800
TTL:86400
num Entries:2


Domain:sellitback.celadon.ae
Primary:ns1.digitalocean.com
Mail:hostmaster.sellitback.celadon.ae
Serial:1575273409
Refresh:10800
Retry:3600
Expire:604800
TTL:1800
num Entries:6


5. Url-Checks

Domainname Http-StatusredirectSec.G







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

Aname "sellitback.celadon.ae" is subdomain, public suffix is "ae", top-level-domain-type is "country-code", Country is United Arab Emirates (the), tld-manager is "Telecommunication Regulatory Authority (TRA)"
Agood: No asked Authoritative Name Server had a timeout
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.
AGood: Nameserver supports TCP connections: 6 good Nameserver
AGood: Nameserver supports Echo Capitalization: 6 good Nameserver
AGood: Nameserver supports EDNS with max. 512 Byte Udp payload, message is smaller: 6 good Nameserver
AGood: Nameserver has passed 10 EDNS-Checks (OP100, FLAGS, V1, V1OP100, V1FLAGS, DNSSEC, V1DNSSEC, NSID, COOKIE, CLIENTSUBNET): 6 good Nameserver
Nameserver doesn't pass all EDNS-Checks: ns1.digitalocean.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: ns4.apnic.net: OP100: ok. FLAGS: ok. V1: ok. V1OP100: ok. V1FLAGS: ok. DNSSEC: ok. V1DNSSEC: ok. NSID: SOA expected, but NOT found, NOERR expectend and NOERR found, Version 0 expectend and found (ns4-de1.apnic.net). COOKIE: fatal timeout. CLIENTSUBNET: ok.
Nameserver doesn't pass all EDNS-Checks: sns-pb.isc.org: OP100: ok. FLAGS: ok. V1: ok. V1OP100: ok. V1FLAGS: ok. DNSSEC: ok. V1DNSSEC: ok. NSID: SOA expected, but NOT found, NOERR expectend and NOERR found, Version 0 expectend and found (pb-ams-ns2.sns.isc.org). COOKIE: fatal timeout. CLIENTSUBNET: ok.
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.digitalocean.com,ns2.digitalocean.com,ns3.digitalocean.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.
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: 52757 milliseconds, 52.757 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

Issuerlast 7 daysactivenum Certs
CN=Let's Encrypt Authority X3, O=Let's Encrypt, C=US
0
15
17

CertSpotter-IdIssuernot beforenot afterDomain namesLE-Duplicatenext LE
1280040439
leaf cert
CN=Let's Encrypt Authority X3, O=Let's Encrypt, C=US
2019-12-02 06:43:02
2020-03-01 06:43:02
test.sellitback.celadon.ae - 1 entries


1280039526
leaf cert
CN=Let's Encrypt Authority X3, O=Let's Encrypt, C=US
2019-12-02 06:42:03
2020-03-01 06:42:03
testns.sellitback.celadon.ae - 1 entries


1278430239
leaf cert
CN=Let's Encrypt Authority X3, O=Let's Encrypt, C=US
2019-12-01 11:46:59
2020-02-29 11:46:59
test.sellitback.celadon.ae - 1 entries


1278186448
leaf cert
CN=Let's Encrypt Authority X3, O=Let's Encrypt, C=US
2019-12-01 08:23:51
2020-02-29 08:23:51
test.sellitback.celadon.ae - 1 entries


1276136778
leaf cert
CN=Let's Encrypt Authority X3, O=Let's Encrypt, C=US
2019-11-30 07:26:08
2020-02-28 07:26:08
test.sellitback.celadon.ae - 1 entries


1274748576
leaf cert
CN=Let's Encrypt Authority X3, O=Let's Encrypt, C=US
2019-11-29 14:15:51
2020-02-27 14:15:51
test.sellitback.celadon.ae - 1 entries


1260847771
leaf cert
CN=Let's Encrypt Authority X3, O=Let's Encrypt, C=US
2019-11-22 08:49:39
2020-02-20 08:49:39
master.sellitback.celadon.ae - 1 entries


1252857686
leaf cert
CN=Let's Encrypt Authority X3, O=Let's Encrypt, C=US
2019-11-18 07:01:00
2020-02-16 07:01:00
release.sellitback.celadon.ae - 1 entries


1225373300
leaf cert
CN=Let's Encrypt Authority X3, O=Let's Encrypt, C=US
2019-11-05 11:53:39
2020-02-03 11:53:39
develop.sellitback.celadon.ae - 1 entries


1224965897
leaf cert
CN=Let's Encrypt Authority X3, O=Let's Encrypt, C=US
2019-11-05 07:26:24
2020-02-03 07:26:24
hotfix.sellitback.celadon.ae - 1 entries


1214249132
leaf cert
CN=Let's Encrypt Authority X3, O=Let's Encrypt, C=US
2019-10-30 12:29:18
2020-01-28 12:29:18
release.sellitback.celadon.ae - 1 entries


1180286232
leaf cert
CN=Let's Encrypt Authority X3, O=Let's Encrypt, C=US
2019-10-11 19:04:24
2020-01-09 19:04:24
release.sellitback.celadon.ae - 1 entries


1175721169
leaf cert
CN=Let's Encrypt Authority X3, O=Let's Encrypt, C=US
2019-10-08 19:47:15
2020-01-06 19:47:15
likvideerimispraktika.com, release.sellitback.celadon.ae, www.likvideerimispraktika.com - 3 entries


1148345454
leaf cert
CN=Let's Encrypt Authority X3, O=Let's Encrypt, C=US
2019-09-24 07:31:00
2019-12-23 07:31:00
release.sellitback.celadon.ae - 1 entries


1145583648
leaf cert
CN=Let's Encrypt Authority X3, O=Let's Encrypt, C=US
2019-09-23 07:40:40
2019-12-22 07:40:40
master.sellitback.celadon.ae - 1 entries


1114993430
leaf cert
CN=Let's Encrypt Authority X3, O=Let's Encrypt, C=US
2019-09-09 08:56:21
2019-12-08 08:56:21
release.sellitback.celadon.ae - 1 entries


1115740623
leaf cert
CN=Let's Encrypt Authority X3, O=Let's Encrypt, C=US
2019-09-06 12:23:27
2019-12-05 12:23:27
develop.sellitback.celadon.ae - 1 entries



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).

Issuerlast 7 daysactivenum Certs
CN=Let's Encrypt Authority X3, O=Let's Encrypt, C=US
0 /0 new
9
24

CRT-IdIssuernot beforenot afterDomain namesLE-Duplicatenext LE
2140668264
precert
CN=Let's Encrypt Authority X3, O=Let's Encrypt, C=US
2019-11-22 07:49:39
2020-02-20 07:49:39
master.sellitback.celadon.ae
1 entries


2125405792
leaf cert
CN=Let's Encrypt Authority X3, O=Let's Encrypt, C=US
2019-11-18 06:01:00
2020-02-16 06:01:00
release.sellitback.celadon.ae
1 entries


2074458290
leaf cert
CN=Let's Encrypt Authority X3, O=Let's Encrypt, C=US
2019-11-05 10:53:39
2020-02-03 10:53:39
develop.sellitback.celadon.ae
1 entries


2073688786
precert
CN=Let's Encrypt Authority X3, O=Let's Encrypt, C=US
2019-11-05 06:26:24
2020-02-03 06:26:24
hotfix.sellitback.celadon.ae
1 entries


2053532108
leaf cert
CN=Let's Encrypt Authority X3, O=Let's Encrypt, C=US
2019-10-30 11:29:18
2020-01-28 11:29:18
release.sellitback.celadon.ae
1 entries


1991332754
leaf cert
CN=Let's Encrypt Authority X3, O=Let's Encrypt, C=US
2019-10-11 17:04:24
2020-01-09 18:04:24
release.sellitback.celadon.ae
1 entries


1980298465
leaf cert
CN=Let's Encrypt Authority X3, O=Let's Encrypt, C=US
2019-10-08 17:47:15
2020-01-06 18:47:15
likvideerimispraktika.com, release.sellitback.celadon.ae, www.likvideerimispraktika.com
3 entries


1949269146
leaf cert
CN=Let's Encrypt Authority X3, O=Let's Encrypt, C=US
2019-09-24 05:31:00
2019-12-23 06:31:00
release.sellitback.celadon.ae
1 entries


1947523349
leaf cert
CN=Let's Encrypt Authority X3, O=Let's Encrypt, C=US
2019-09-23 05:40:40
2019-12-22 06:40:40
master.sellitback.celadon.ae
1 entries


1891418089
leaf cert
CN=Let's Encrypt Authority X3, O=Let's Encrypt, C=US
2019-09-09 06:56:21
2019-12-08 07:56:21
release.sellitback.celadon.ae
1 entries


1883243752
leaf cert
CN=Let's Encrypt Authority X3, O=Let's Encrypt, C=US
2019-09-06 10:23:27
2019-12-05 11:23:27
develop.sellitback.celadon.ae
1 entries


1856021535
leaf cert
CN=Let's Encrypt Authority X3, O=Let's Encrypt, C=US
2019-08-27 08:40:26
2019-11-25 09:40:26
test.sellitback.celadon.ae
1 entries


1855553434
leaf cert
CN=Let's Encrypt Authority X3, O=Let's Encrypt, C=US
2019-08-27 06:05:23
2019-11-25 07:05:23
test.sellitback.celadon.ae
1 entries


1853264859
leaf cert
CN=Let's Encrypt Authority X3, O=Let's Encrypt, C=US
2019-08-26 06:16:37
2019-11-24 07:16:37
release.sellitback.celadon.ae
1 entries


1815708644
leaf cert
CN=Let's Encrypt Authority X3, O=Let's Encrypt, C=US
2019-08-09 16:20:22
2019-11-07 17:20:22
release.sellitback.celadon.ae
1 entries


1804814227
leaf cert
CN=Let's Encrypt Authority X3, O=Let's Encrypt, C=US
2019-08-06 09:38:06
2019-11-04 10:38:06
test.sellitback.celadon.ae
1 entries


1768677331
leaf cert
CN=Let's Encrypt Authority X3, O=Let's Encrypt, C=US
2019-07-26 08:43:23
2019-10-24 08:43:23
test.sellitback.celadon.ae
1 entries


1767987171
leaf cert
CN=Let's Encrypt Authority X3, O=Let's Encrypt, C=US
2019-07-26 05:36:20
2019-10-24 05:36:20
test.sellitback.celadon.ae
1 entries


1762794399
leaf cert
CN=Let's Encrypt Authority X3, O=Let's Encrypt, C=US
2019-07-25 06:31:20
2019-10-23 06:31:20
master.sellitback.celadon.ae
1 entries


1752454045
leaf cert
CN=Let's Encrypt Authority X3, O=Let's Encrypt, C=US
2019-07-23 15:23:29
2019-10-21 15:23:29
release.sellitback.celadon.ae
1 entries


1751724692
leaf cert
CN=Let's Encrypt Authority X3, O=Let's Encrypt, C=US
2019-07-23 12:47:35
2019-10-21 12:47:35
test.sellitback.celadon.ae
1 entries


1701992299
leaf cert
CN=Let's Encrypt Authority X3, O=Let's Encrypt, C=US
2019-07-11 11:17:54
2019-10-09 11:17:54
up.sellitback.celadon.ae
1 entries


1701965177
leaf cert
CN=Let's Encrypt Authority X3, O=Let's Encrypt, C=US
2019-07-11 11:03:54
2019-10-09 11:03:54
up.sellitback.celadon.ae
1 entries


1694791559
leaf cert
CN=Let's Encrypt Authority X3, O=Let's Encrypt, C=US
2019-07-08 10:59:22
2019-10-06 10:59:22
develop.sellitback.celadon.ae
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
sellitback.celadon.ae
0

no CAA entry found
1
0
celadon.ae
0

no CAA entry found
1
0
ae
0

no CAA entry found
1
0


12. TXT - Entries

DomainnameTXT EntryStatus∑ Queries∑ Timeout
celadon.ae

Refused - The name server refuses to perform the specified operation for policy reasons
1
0
sellitback.celadon.ae

ok
1
0
_acme-challenge.sellitback.celadon.ae

Name Error - The domain name does not exist
1
0
_acme-challenge.sellitback.celadon.ae.celadon.ae

Refused - The name server refuses to perform the specified operation for policy reasons
1
0
_acme-challenge.sellitback.celadon.ae.sellitback.celadon.ae

Name Error - The domain name does not exist
1
0


13. Portchecks (BETA)

Domain or IPPortDescriptionResultAnswer
sellitback.celadon.ae
21
FTP



sellitback.celadon.ae
21
FTP



sellitback.celadon.ae
22
SSH



sellitback.celadon.ae
22
SSH



sellitback.celadon.ae
25
SMTP



sellitback.celadon.ae
25
SMTP



sellitback.celadon.ae
53
DNS



sellitback.celadon.ae
53
DNS



sellitback.celadon.ae
110
POP3



sellitback.celadon.ae
110
POP3



sellitback.celadon.ae
143
IMAP



sellitback.celadon.ae
143
IMAP



sellitback.celadon.ae
465
SMTP (encrypted)



sellitback.celadon.ae
465
SMTP (encrypted)



sellitback.celadon.ae
587
SMTP (encrypted, submission)



sellitback.celadon.ae
587
SMTP (encrypted, submission)



sellitback.celadon.ae
993
IMAP (encrypted)



sellitback.celadon.ae
993
IMAP (encrypted)



sellitback.celadon.ae
995
POP3 (encrypted)



sellitback.celadon.ae
995
POP3 (encrypted)



sellitback.celadon.ae
1433
MS SQL



sellitback.celadon.ae
1433
MS SQL



sellitback.celadon.ae
2082
cPanel (http)



sellitback.celadon.ae
2082
cPanel (http)



sellitback.celadon.ae
2083
cPanel (https)



sellitback.celadon.ae
2083
cPanel (https)



sellitback.celadon.ae
2086
WHM (http)



sellitback.celadon.ae
2086
WHM (http)



sellitback.celadon.ae
2087
WHM (https)



sellitback.celadon.ae
2087
WHM (https)



sellitback.celadon.ae
2089
cPanel Licensing



sellitback.celadon.ae
2089
cPanel Licensing



sellitback.celadon.ae
2095
cPanel Webmail (http)



sellitback.celadon.ae
2095
cPanel Webmail (http)



sellitback.celadon.ae
2096
cPanel Webmail (https)



sellitback.celadon.ae
2096
cPanel Webmail (https)



sellitback.celadon.ae
2222
DirectAdmin (http)



sellitback.celadon.ae
2222
DirectAdmin (http)



sellitback.celadon.ae
2222
DirectAdmin (https)



sellitback.celadon.ae
2222
DirectAdmin (https)



sellitback.celadon.ae
3306
mySql



sellitback.celadon.ae
3306
mySql



sellitback.celadon.ae
5224
Plesk Licensing



sellitback.celadon.ae
5224
Plesk Licensing



sellitback.celadon.ae
5432
PostgreSQL



sellitback.celadon.ae
5432
PostgreSQL



sellitback.celadon.ae
8080
Ookla Speedtest (http)



sellitback.celadon.ae
8080
Ookla Speedtest (http)



sellitback.celadon.ae
8080
Ookla Speedtest (https)



sellitback.celadon.ae
8080
Ookla Speedtest (https)



sellitback.celadon.ae
8083
VestaCP http



sellitback.celadon.ae
8083
VestaCP http



sellitback.celadon.ae
8083
VestaCP https



sellitback.celadon.ae
8083
VestaCP https



sellitback.celadon.ae
8443
Plesk Administration (https)



sellitback.celadon.ae
8443
Plesk Administration (https)



sellitback.celadon.ae
8447
Plesk Installer + Updates



sellitback.celadon.ae
8447
Plesk Installer + Updates



sellitback.celadon.ae
8880
Plesk Administration (http)



sellitback.celadon.ae
8880
Plesk Administration (http)



sellitback.celadon.ae
10000
Webmin (http)



sellitback.celadon.ae
10000
Webmin (http)



sellitback.celadon.ae
10000
Webmin (https)



sellitback.celadon.ae
10000
Webmin (https)





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