X

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

Checked:
15.05.2019 12:44:49


Older results


1. IP-Addresses

HostTIP-Addressis auth.∑ Queries∑ Timeout
rb.net
A

yes
1
0

AAAA

yes


www.rb.net

Name Error
yes
1
0


2. DNSSEC

Zone (*)DNSSEC - Informations (beta)
(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 25266, Flags 256

1 RRSIG RR to validate DNSKEY RR found

Algorithm: 8, 0 Labels, original TTL: 172800 sec, Signature-expiration: 01.06.2019, 00:00:00, Signature-Inception: 11.05.2019, 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
net
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: 28.05.2019, 05:00:00, Signature-Inception: 15.05.2019, 04:00:00, KeyTag 25266, Signer-Name: (root)

Status: Good - Algorithmus 8 and DNSKEY with KeyTag 25266 used to validate the DS RRSet in the parent zone

2 DNSKEY RR found

Public Key with Algorithm 8, KeyTag 2129, Flags 256

Public Key with Algorithm 8, KeyTag 35886, Flags 257 (SEP = Secure Entry Point)

1 RRSIG RR to validate DNSKEY RR found

Algorithm: 8, 1 Labels, original TTL: 86400 sec, Signature-expiration: 25.05.2019, 15:38:57, Signature-Inception: 10.05.2019, 15:33:57, KeyTag 35886, Signer-Name: net

Status: Good - Algorithmus 8 and DNSKEY with KeyTag 35886 used to validate the DNSKEY RRSet

Status: Valid Chain of trust. Parent-DS with Algorithm 8, KeyTag 35886, DigestType 2 and Digest "eGKyf19Rbr4ZaARE1M5edimBkxhCxGXwAjZAHYvZc+4=" validates local Key with the same values, Key ist Secure Entry Point (SEP) of the zone
rb.net
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


www.rb.net
0 DS RR in the parent zone found


3. Name Servers

DomainNameserverNS-IP
www.rb.net
  a4.nstld.com

rb.net
  a4.nstld.com
209.112.113.33

 
2001:500:7967::2:33

  f4.nstld.com
209.112.114.33

 
2620:74:19::33

  g4.nstld.com
69.36.145.33

 
2001:502:cbe4::33

  l4.nstld.com
209.112.113.33

 
2001:500:7967::2:33
net
  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:net
Primary:a.gtld-servers.net
Mail:nstld.verisign-grs.com
Serial:1557917070
Refresh:1800
Retry:900
Expire:604800
TTL:86400
num Entries:11


Domain:net
Primary:a.gtld-servers.net
Mail:nstld.verisign-grs.com
Serial:1557917085
Refresh:1800
Retry:900
Expire:604800
TTL:86400
num Entries:2


Domain:rb.net
Primary:a4.nstld.com
Mail:dnssupport.verisign-grs.com
Serial:2013121214
Refresh:28800
Retry:7200
Expire:1209600
TTL:86400
num Entries:8


5. Url-Checks

Domainname Http-StatusredirectSec.G







6. Comments

Aname "rb.net" is domain, public suffix is "net", top-level-domain-type is "generic", tld-manager is "VeriSign Global Registry Services"
Agood: No asked Authoritative Name Server had a timeout
ADNS: "Name Error" means: No www-dns-entry defined. This isn't a problem
AGood: Nameserver supports TCP connections: 8 good Nameserver
AGood: Nameserver supports Echo Capitalization: 8 good Nameserver
AGood: Nameserver supports EDNS with max. 512 Byte Udp payload, message is smaller: 8 good Nameserver
AGood: Nameserver has passed 10 EDNS-Checks (OP100, FLAGS, V1, V1OP100, V1FLAGS, DNSSEC, V1DNSSEC, NSID, COOKIE, CLIENTSUBNET): 8 good Nameserver
Nameserver doesn't pass all EDNS-Checks: a4.nstld.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.
AGood: All SOA have the same Serial Number
Warning: No CAA entry with issue/issuewild found, every CAA can create a certificate
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: 28720 milliseconds, 28.720 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 (BETA)

1. Source CertSpotter - active certificates

Issuerlast 7 daysactivenum Certs
CN=Thawte RSA CA 2018, OU=www.digicert.com, O=DigiCert Inc, C=US
0
4
5
CN=Symantec Class 3 Secure Server CA - G4, OU=Symantec Trust Network, O=Symantec Corporation, C=US
0
3
3

CertSpotter-IdIssuernot beforenot afterDomain namesLE-Duplicatenext LE
843714023
precert
CN=Thawte RSA CA 2018, OU=www.digicert.com, O=DigiCert Inc, C=US
2019-04-02 00:00:00
2021-04-01 12:00:00
monitoringcitrix.rb.net - 1 entries


843715100
precert
CN=Thawte RSA CA 2018, OU=www.digicert.com, O=DigiCert Inc, C=US
2019-04-02 00:00:00
2021-04-01 12:00:00
vibecitrix.rb.net - 1 entries


721132324
leaf cert
CN=Thawte RSA CA 2018, OU=www.digicert.com, O=DigiCert Inc, C=US
2019-01-18 00:00:00
2021-01-17 12:00:00
assist-yourself.rb.net - 1 entries


408119368
precert
CN=Thawte RSA CA 2018, OU=www.digicert.com, O=DigiCert Inc, C=US
2018-06-01 00:00:00
2019-06-01 12:00:00
evl3301839.idc.rb.net - 1 entries


399389500
precert
CN=Thawte RSA CA 2018, OU=www.digicert.com, O=DigiCert Inc, C=US
2018-05-24 00:00:00
2020-05-23 12:00:00
dcamisepsn01.idc.rb.net, dcamvirlpisea01.idc.rb.net, dcamvirlpisem01.idc.rb.net, dcasisepsn01.idc.rb.net, dcsgisepsn01.idc.rb.net, dcslisepsn01.idc.rb.net, dcslvirlpisea01.idc.rb.net, dcslvirlpisem01.idc.rb.net - 8 entries


191216652
precert
CN=Symantec Class 3 Secure Server CA - G4, OU=Symantec Trust Network, O=Symantec Corporation, C=US
2017-09-05 00:00:00
2019-09-05 23:59:59
gerpprdpas.idc.rb.net - 1 entries


191169177
precert
CN=Symantec Class 3 Secure Server CA - G4, OU=Symantec Trust Network, O=Symantec Corporation, C=US
2017-09-05 00:00:00
2019-09-05 23:59:59
gerpqaspas.idc.rb.net - 1 entries


180303794
precert
CN=Symantec Class 3 Secure Server CA - G4, OU=Symantec Trust Network, O=Symantec Corporation, C=US
2017-08-18 00:00:00
2019-08-18 23:59:59
gerpdevpas.idc.rb.net - 1 entries



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

Issuerlast 7 daysactivenum Certs
CN=Symantec Class 3 Secure Server CA - G4, OU=Symantec Trust Network, O=Symantec Corporation, C=US
0
3
10
CN=Thawte RSA CA 2018, OU=www.digicert.com, O=DigiCert Inc, C=US
0
4
5
CN=thawte SSL CA - G2, O="thawte, Inc.", C=US
0
0
2

CRT-IdIssuernot beforenot afterDomain namesLE-Duplicatenext LE
1341736119
CN=Thawte RSA CA 2018, OU=www.digicert.com, O=DigiCert Inc, C=US
2019-04-01 22:00:00
2021-04-01 10:00:00
monitoringcitrix.rb.net, RECKITT BENCKISER PLC
1 entries


1341748171
CN=Thawte RSA CA 2018, OU=www.digicert.com, O=DigiCert Inc, C=US
2019-04-01 22:00:00
2021-04-01 10:00:00
RECKITT BENCKISER PLC, vibecitrix.rb.net
1 entries


1153521500
CN=Thawte RSA CA 2018, OU=www.digicert.com, O=DigiCert Inc, C=US
2019-01-17 23:00:00
2021-01-17 11:00:00
assist-yourself.rb.net, RECKITT BENCKISER PLC
1 entries


499673477
CN=Thawte RSA CA 2018, OU=www.digicert.com, O=DigiCert Inc, C=US
2018-05-31 22:00:00
2019-06-01 10:00:00
evl3301839.idc.rb.net, IS, Reckitt Benckiser Plc
1 entries


482352350
CN=Thawte RSA CA 2018, OU=www.digicert.com, O=DigiCert Inc, C=US
2018-05-23 22:00:00
2020-05-23 10:00:00
dcamisepsn01.idc.rb.net, dcamvirlpisea01.idc.rb.net, dcamvirlpisem01.idc.rb.net, dcasisepsn01.idc.rb.net, dcsgisepsn01.idc.rb.net, dcslisepsn01.idc.rb.net, dcslvirlpisea01.idc.rb.net, dcslvirlpisem01.idc.rb.net, IS, Reckitt Benckiser Plc
8 entries


204707969
CN=Symantec Class 3 Secure Server CA - G4, OU=Symantec Trust Network, O=Symantec Corporation, C=US
2017-09-04 22:00:00
2019-09-05 21:59:59
gerpprdpas.idc.rb.net, Reckitt Benckiser Corporate Services Limited
1 entries


204660674
CN=Symantec Class 3 Secure Server CA - G4, OU=Symantec Trust Network, O=Symantec Corporation, C=US
2017-09-04 22:00:00
2019-09-05 21:59:59
gerpqaspas.idc.rb.net, Reckitt Benckiser Corporate Services Limited
1 entries


193283812
CN=Symantec Class 3 Secure Server CA - G4, OU=Symantec Trust Network, O=Symantec Corporation, C=US
2017-08-17 22:00:00
2019-08-18 21:59:59
gerpdevpas.idc.rb.net, Reckitt Benckiser Corporate Services Limited
1 entries


55283305
CN=Symantec Class 3 Secure Server CA - G4, OU=Symantec Trust Network, O=Symantec Corporation, C=US
2016-11-24 23:00:00
2018-11-25 22:59:59
gpicsu.idc.rb.net, RECKITT BENCKISER CORPORATE SERVICES LIMITED
1 entries


55283309
CN=Symantec Class 3 Secure Server CA - G4, OU=Symantec Trust Network, O=Symantec Corporation, C=US
2016-11-24 23:00:00
2018-11-25 22:59:59
gqase.idc.rb.net, RECKITT BENCKISER CORPORATE SERVICES LIMITED
1 entries


55283304
CN=Symantec Class 3 Secure Server CA - G4, OU=Symantec Trust Network, O=Symantec Corporation, C=US
2016-11-24 23:00:00
2018-11-25 22:59:59
gerpcsu.idc.rb.net, RECKITT BENCKISER CORPORATE SERVICES LIMITED
1 entries


32022903
CN=Symantec Class 3 Secure Server CA - G4, OU=Symantec Trust Network, O=Symantec Corporation, C=US
2016-09-13 22:00:00
2018-09-14 21:59:59
gpiqaspas.idc.rb.net, RECKITT BENCKISER CORPORATE SERVICES LIMITED
1 entries


30364721
CN=Symantec Class 3 Secure Server CA - G4, OU=Symantec Trust Network, O=Symantec Corporation, C=US
2016-08-30 22:00:00
2018-08-31 21:59:59
gqasi.idc.rb.net, RECKITT BENCKISER CORPORATE SERVICES LIMITED
1 entries


27923935
CN=Symantec Class 3 Secure Server CA - G4, OU=Symantec Trust Network, O=Symantec Corporation, C=US
2016-08-10 22:00:00
2018-08-11 21:59:59
gpidevpas.idc.rb.net, Reckitt Benckiser Corporate Services
1 entries


27923337
CN=Symantec Class 3 Secure Server CA - G4, OU=Symantec Trust Network, O=Symantec Corporation, C=US
2016-08-10 22:00:00
2018-08-11 21:59:59
gerpqaspas.idc.rb.net, Reckitt Benckiser Corporate Services, Reckitt Benckiser Corporate Services Limited
1 entries


16248042
CN=thawte SSL CA - G2, O="thawte, Inc.", C=US
2016-04-05 22:00:00
2018-04-06 21:59:59
assist-yourself-uat.rb.net, IS, Reckitt Benckiser Plc
1 entries


16248045
CN=thawte SSL CA - G2, O="thawte, Inc.", C=US
2016-04-05 22:00:00
2018-04-06 21:59:59
assist-yourself.rb.net, IS, Reckitt Benckiser Plc
1 entries



10. Html-Content - Entries (BETA - mixed content and other checks)

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


11. CAA - Entries

DomainnameflagNameValue∑ Queries∑ Timeout
rb.net
0

no CAA entry found
1
0
net
0

no CAA entry found
1
0


12. TXT - Entries

DomainnameTXT EntryStatus∑ Queries∑ Timeout
rb.net

ok
1
0
_acme-challenge.rb.net

Name Error - The domain name does not exist
1
0
_acme-challenge.rb.net.rb.net

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.



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