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


Info: Problems with 3.048.289 Letsencrypt certificates (378.325 accounts). They must be revoked (revocation starts 2020-03-04 20:00 UTC) - see Revoking certain certificates on March 4. Update 2020-03-07: Good news: Mass-revocation is canceled.

This tool: A check (SerialNumber) is added. Letsencrypt has published a list of critical SerialNumbers, this list is checked. See the part "9. Certificates". If there is a warning, renew that certificate and replace the current certificate.




V

Connect failure - perhaps firewall

Checked:
26.03.2020 17:28:43


Older results


1. IP-Addresses

HostTypeIP-Addressis auth.∑ Queries∑ Timeout
nimal.dk
A

yes
1
0

AAAA

yes


www.nimal.dk
C
cloudnimal.dyndns.org
yes
1
0

A
92.35.11.131
Linköping/Östergötland/Sweden (SE) - Bredbandsbolaget
Hostname: c-830b235c.08-45-6c6b701.bbcust.telenor.se
yes



2. DNSSEC

Info: The Xml-split has triggered some hidden bugs. Now it looks ok.
If root or the top level zone isn't validated, it's buggy.
Both green and your domain is red -> it's your domain.

Zone (*)DNSSEC - Informations

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



Status: Valid because published



3 DNSKEY RR found



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



Public Key with Algorithm 8, KeyTag 33853, Flags 256



Public Key with Algorithm 8, KeyTag 48903, Flags 256



1 RRSIG RR to validate DNSKEY RR found



Algorithm: 8, 0 Labels, original TTL: 172800 sec, Signature-expiration: 11.04.2020, 00:00:00 +, Signature-Inception: 21.03.2020, 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: dk
dk
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: 08.04.2020, 05:00:00 +, Signature-Inception: 26.03.2020, 04:00:00 +, KeyTag 33853, Signer-Name: (root)



Status: Good - Algorithmus 8 and DNSKEY with KeyTag 33853 used to validate the DS RRSet in the parent zone



2 DNSKEY RR found



Public Key with Algorithm 8, KeyTag 2793, Flags 256



Public Key with Algorithm 8, KeyTag 32195, Flags 257 (SEP = Secure Entry Point)



1 RRSIG RR to validate DNSKEY RR found



Algorithm: 8, 1 Labels, original TTL: 86400 sec, Signature-expiration: 18.04.2020, 05:06:02 +, Signature-Inception: 21.03.2020, 03:36:02 +, KeyTag 32195, Signer-Name: dk



Status: Good - Algorithmus 8 and DNSKEY with KeyTag 32195 used to validate the DNSKEY RRSet



Status: Valid Chain of trust. Parent-DS with Algorithm 8, KeyTag 32195, DigestType 2 and Digest "FnyzZSBI9HgiLpWNHK2QfX7LKOelRd4BuFka0p6sZEQ=" validates local Key with the same values, Key ist Secure Entry Point (SEP) of the zone

Zone: nimal.dk
nimal.dk
1 DS RR in the parent zone found



1 RRSIG RR to validate DS RR found



Algorithm: 8, 2 Labels, original TTL: 7200 sec, Signature-expiration: 18.04.2020, 06:46:01 +, Signature-Inception: 21.03.2020, 05:16:01 +, KeyTag 2793, Signer-Name: dk



Status: Good - Algorithmus 8 and DNSKEY with KeyTag 2793 used to validate the DS RRSet in the parent zone



2 DNSKEY RR found



Public Key with Algorithm 13, KeyTag 53396, Flags 257 (SEP = Secure Entry Point)



Public Key with Algorithm 13, KeyTag 57283, Flags 256



1 RRSIG RR to validate DNSKEY RR found



Algorithm: 13, 2 Labels, original TTL: 900 sec, Signature-expiration: 09.04.2020, 00:00:00 +, Signature-Inception: 19.03.2020, 00:00:00 +, KeyTag 53396, Signer-Name: nimal.dk



Status: Good - Algorithmus 13 and DNSKEY with KeyTag 53396 used to validate the DNSKEY RRSet



Status: Valid Chain of trust. Parent-DS with Algorithm 13, KeyTag 53396, DigestType 2 and Digest "MHVb0tDtmMt5HtjC6XJyAXHDMelgwRUvudH+wpXMbJ4=" validates local Key with the same values, Key ist Secure Entry Point (SEP) of the zone



RRSIG Type 50, expiration 2020-04-09 00:00:00 + validates the NSEC3 RR that proves the not-existence of the A RR. Bitmap: NS, SOA, MX, RRSIG, DNSKEY, NSEC3PARAM



RRSIG Type 50, expiration 2020-04-09 00:00:00 + validates the NSEC3 RR that proves the not-existence of the CNAME RR. Bitmap: NS, SOA, MX, RRSIG, DNSKEY, NSEC3PARAM



RRSIG Type 50, expiration 2020-04-09 00:00:00 + validates the NSEC3 RR that proves the not-existence of the TXT RR. Bitmap: NS, SOA, MX, RRSIG, DNSKEY, NSEC3PARAM



RRSIG Type 50, expiration 2020-04-09 00:00:00 + validates the NSEC3 RR that proves the not-existence of the AAAA RR. Bitmap: NS, SOA, MX, RRSIG, DNSKEY, NSEC3PARAM



RRSIG Type 50, expiration 2020-04-09 00:00:00 + validates the NSEC3 RR that proves the not-existence of the TLSA RR. Bitmap: No Bitmap?



RRSIG Type 50, expiration 2020-04-09 00:00:00 + validates the NSEC3 RR that proves the not-existence of the TLSA RR. Bitmap: NS, SOA, MX, RRSIG, DNSKEY, NSEC3PARAM



RRSIG Type 50, expiration 2020-04-09 00:00:00 + validates the NSEC3 RR that proves the not-existence of the CAA RR. Bitmap: NS, SOA, MX, RRSIG, DNSKEY, NSEC3PARAM

Zone: www.nimal.dk
www.nimal.dk
0 DS RR in the parent zone found

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



Status: Valid because published



3 DNSKEY RR found



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



Public Key with Algorithm 8, KeyTag 33853, Flags 256



Public Key with Algorithm 8, KeyTag 48903, Flags 256



1 RRSIG RR to validate DNSKEY RR found



Algorithm: 8, 0 Labels, original TTL: 172800 sec, Signature-expiration: 11.04.2020, 00:00:00 +, Signature-Inception: 21.03.2020, 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: 08.04.2020, 05:00:00 +, Signature-Inception: 26.03.2020, 04:00:00 +, KeyTag 33853, Signer-Name: (root)



Status: Good - Algorithmus 8 and DNSKEY with KeyTag 33853 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 33209, Flags 256



Public Key with Algorithm 7, KeyTag 37022, Flags 256



3 RRSIG RR to validate DNSKEY RR found



Algorithm: 7, 1 Labels, original TTL: 900 sec, Signature-expiration: 15.04.2020, 15:28:56 +, Signature-Inception: 25.03.2020, 14:28:56 +, KeyTag 9795, Signer-Name: org



Algorithm: 7, 1 Labels, original TTL: 900 sec, Signature-expiration: 15.04.2020, 15:28:56 +, Signature-Inception: 25.03.2020, 14:28:56 +, KeyTag 17883, Signer-Name: org



Algorithm: 7, 1 Labels, original TTL: 900 sec, Signature-expiration: 15.04.2020, 15:28:56 +, Signature-Inception: 25.03.2020, 14:28:56 +, KeyTag 33209, 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 33209 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: dyndns.org
dyndns.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.Bitmap: NS, DS, RRSIG



0 DNSKEY RR found





Zone: cloudnimal.dyndns.org
cloudnimal.dyndns.org
0 DS RR in the parent zone found



0 DNSKEY RR found





3. Name Servers

DomainNameserverNS-IP
nimal.dk
  ns01.one.com / ns1-fra1
195.206.121.10
Kobenhavn SV/Capital Region/Denmark (DK) - One.com A/S


 
2001:67c:28cc::10
Kobenhavn SV/Capital Region/Denmark (DK) - One.com A/S


  ns02.one.com / ns1-fra1
195.206.121.138
Kobenhavn SV/Capital Region/Denmark (DK) - One.com A/S


 
2001:67c:28cc::138
Kobenhavn SV/Capital Region/Denmark (DK) - One.com A/S

dk
  a.nic.dk


  b.nic.dk


  c.nic.dk / LHR1


  d.nic.dk / STO1


  l.nic.dk / l.nic.dk


  p.nic.dk / 2.ber.pch


  s.nic.dk / ns-ext1a.sidn.nl


cloudnimal.dyndns.org
  ns1.dyndns.org
208.76.61.3
Los Angeles/California/United States (US) - Oracle Corporation

dyndns.org
  ns1.dyndns.org


  ns2.dyndns.org


  ns3.dyndns.org


  ns4.dyndns.org


  ns5.dyndns.org / hivecast-212-hkhkg.as15135.net dns1-hkg

org
  a0.org.afilias-nst.info / ns000b.app27.ams2.afilias-nst.info


  a2.org.afilias-nst.info / 2.ber.pch


  b0.org.afilias-nst.org / ns000b.app8.ams2.afilias-nst.info


  b2.org.afilias-nst.org / 5.fra.pch


  c0.org.afilias-nst.info / app21.iad1.hosts.meta.redstone.afilias-nst.info-2


  d0.org.afilias-nst.org / ns000b.app7.ams2.afilias-nst.info


4. SOA-Entries


Domain:dk
Zone-Name:
Primary:b.nic.dk
Mail:tech.dk-hostmaster.dk
Serial:1585239842
Refresh:600
Retry:300
Expire:1814400
TTL:300
num Entries:2


Domain:dk
Zone-Name:
Primary:b.nic.dk
Mail:tech.dk-hostmaster.dk
Serial:1585239962
Refresh:600
Retry:300
Expire:1814400
TTL:300
num Entries:5


Domain:nimal.dk
Zone-Name:
Primary:ns01.one.com
Mail:hostmaster.one.com
Serial:2020032607
Refresh:14400
Retry:3600
Expire:1209600
TTL:900
num Entries:4



Domain:org
Zone-Name:
Primary:a0.org.afilias-nst.info
Mail:noc.afilias-nst.info
Serial:2013870962
Refresh:1800
Retry:900
Expire:604800
TTL:86400
num Entries:6


Domain:dyndns.org
Zone-Name:
Primary:ns1.dyndns.org
Mail:hostmaster.dyndns.org
Serial:3925418147
Refresh:600
Retry:300
Expire:604800
TTL:600
num Entries:1


Domain:dyndns.org
Zone-Name:
Primary:ns1.dyndns.org
Mail:hostmaster.dyndns.org
Serial:3925418241
Refresh:600
Retry:300
Expire:604800
TTL:600
num Entries:1


Domain:dyndns.org
Zone-Name:
Primary:ns1.dyndns.org
Mail:hostmaster.dyndns.org
Serial:3925420307
Refresh:600
Retry:300
Expire:604800
TTL:600
num Entries:1


Domain:dyndns.org
Zone-Name:
Primary:ns1.dyndns.org
Mail:hostmaster.dyndns.org
Serial:3925420772
Refresh:600
Retry:300
Expire:604800
TTL:600
num Entries:1


Domain:dyndns.org
Zone-Name:
Primary:ns1.dyndns.org
Mail:hostmaster.dyndns.org
Serial:3925421085
Refresh:600
Retry:300
Expire:604800
TTL:600
num Entries:1


Domain:cloudnimal.dyndns.org
Zone-Name:
Primary:ns1.dyndns.org
Mail:hostmaster.dyndns.org
Serial:3925421034
Refresh:600
Retry:300
Expire:604800
TTL:600
num Entries:1


5. Screenshots

No Screenshot listed, because no url-check with https + http status 200-299, 400-599 + not-ACME-check found.

6. Url-Checks

DomainnameHttp-StatusredirectSec.G
• http://www.nimal.dk/
92.35.11.131
-2

1.157
V
ConnectFailure - Unable to connect to the remote server

• https://www.nimal.dk/
92.35.11.131
-2

1.150
V
ConnectFailure - Unable to connect to the remote server

• http://www.nimal.dk/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de
92.35.11.131
-2

1.147
V
ConnectFailure - Unable to connect to the remote server
Visible Content:

7. Comments


1. General Results, most used to calculate the result

Aname "nimal.dk" is domain, public suffix is "dk", top-level-domain-type is "country-code", Country is Denmark, tld-manager is "Dansk Internet Forum"
Agood: All ip addresses are public addresses
Agood: No asked Authoritative Name Server had a timeout
HSTS-Preload-Status: unknown. Domain never included in the Preload-list. Check https://hstspreload.org/ to learn some basics about the Google-Preload-List.
Vhttp://www.nimal.dk/ 92.35.11.131
-2

connect failure - perhaps firewall
Vhttps://www.nimal.dk/ 92.35.11.131
-2

connect failure - perhaps firewall
Vhttp://www.nimal.dk/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de 92.35.11.131
-2

connect failure - perhaps firewall

2. DNS- and NameServer - Checks

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: ns01.one.com,ns02.one.com
AGood: Nameserver supports TCP connections: 4 good Nameserver
AGood: Nameserver supports Echo Capitalization: 4 good Nameserver
AGood: Nameserver supports EDNS with max. 512 Byte Udp payload, message is smaller: 4 good Nameserver
AGood: Nameserver has passed 10 EDNS-Checks (OP100, FLAGS, V1, V1OP100, V1FLAGS, DNSSEC, V1DNSSEC, NSID, COOKIE, CLIENTSUBNET): 4 good Nameserver
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.

3. Content- and Performance-critical Checks

http://www.nimal.dk/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de 92.35.11.131
-2

Fatal: Check of /.well-known/acme-challenge/random-filename is blocked, http connection error. 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.
AInfo: No img element found, no alt attribute checked
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: 105774 milliseconds, 105.774 seconds


8. Connections

No connection informations found. Perhaps only http - connections.


9. Certificates

No certificate informations found. Perhaps only http - connections.


10. Last Certificates - Certificate Transparency Log Check

1. Source CertSpotter - active certificates (one check per day)

Issuerlast 7 daysactivenum Certs
CN=Let's Encrypt Authority X3, O=Let's Encrypt, C=US
0
1
2

CertSpotter-IdIssuernot beforenot afterDomain namesLE-Duplicatenext LE
1509141762
leaf cert
CN=Let's Encrypt Authority X3, O=Let's Encrypt, C=US
2020-03-21 04:38:19
2020-06-19 04:38:19
*.nimal.dk, nimal.dk - 2 entries


1359346267
leaf cert
CN=Let's Encrypt Authority X3, O=Let's Encrypt, C=US
2020-01-12 02:39:20
2020-04-11 02:39:20
*.nimal.dk, nimal.dk - 2 entries



2. Source crt.sh - old and new certificates, sometimes very slow - only certificates with "not after" > 2019 are listed

Issuerlast 7 daysactivenum Certs
CN=Let's Encrypt Authority X3, O=Let's Encrypt, C=US
0 /0 new
2
4

CRT-IdIssuernot beforenot afterDomain namesLE-Duplicatenext LE
2629442547
precert
Leaf-2629442547
CN=Let's Encrypt Authority X3, O=Let's Encrypt, C=US
2020-03-26 12:06:18
2020-06-24 11:06:18
cloud.nimal.dk, git.nimal.dk, www.nimal.dk
3 entries


2607114449
precert
CN=Let's Encrypt Authority X3, O=Let's Encrypt, C=US
2020-03-21 03:38:19
2020-06-19 02:38:19
*.nimal.dk, nimal.dk
2 entries


2331349015
leaf cert
CN=Let's Encrypt Authority X3, O=Let's Encrypt, C=US
2020-01-12 01:39:20
2020-04-11 00:39:20
*.nimal.dk, nimal.dk
2 entries


2101013480
precert
CN=Let's Encrypt Authority X3, O=Let's Encrypt, C=US
2019-11-12 01:39:12
2020-02-10 01:39:12
*.nimal.dk, nimal.dk
2 entries



11. Html-Content - Entries

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


12. Nameserver - IP-Adresses (alpha)

Required Root-climbing DNS-Queries to find ip addresses of all Name Servers:

No NameServer - IP address informations found. The feature is new (2020-05-07), so recheck this domain.


13. CAA - Entries

DomainnameflagNameValue∑ Queries∑ Timeout
cloudnimal.dyndns.org
0

no CAA entry found
1
0
www.nimal.dk



1
0
dyndns.org
0

no CAA entry found
1
0
nimal.dk
0

no CAA entry found
1
0
org
0

no CAA entry found
1
0
dk
0

no CAA entry found
1
0


14. TXT - Entries

DomainnameTXT EntryStatus∑ Queries∑ Timeout
nimal.dk

ok
1
0
www.nimal.dk


1
0
cloudnimal.dyndns.org

ok
1
0
_acme-challenge.nimal.dk


1
0
_acme-challenge.www.nimal.dk

Name Error - The domain name does not exist
1
0
_acme-challenge.nimal.dk.nimal.dk

Name Error - The domain name does not exist
1
0
_acme-challenge.cloudnimal.dyndns.org


1
0
_acme-challenge.www.nimal.dk.nimal.dk

Name Error - The domain name does not exist
1
0
_acme-challenge.www.nimal.dk.www.nimal.dk

Name Error - The domain name does not exist
1
0
_acme-challenge.cloudnimal.dyndns.org.cloudnimal.dyndns.org


1
0


15. Portchecks

No Port checks



Permalink: https://check-your-website.server-daten.de/?i=48264ba8-2499-4241-b332-320e1b7a5ce8


Last Result: https://check-your-website.server-daten.de/?q=nimal.dk - 2020-03-26 17:28:43


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