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.





1. IP-Addresses

HostTypeIP-Addressis auth.∑ Queries∑ Timeout
colnbase.design
A
138.197.201.81
Santa Clara/California/United States (US) - DigitalOcean, LLC
No Hostname found
yes
1
0

AAAA

yes


www.colnbase.design

Name Error
yes
1
0


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: design
design
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: 07.04.2020, 21:00:00 +, Signature-Inception: 25.03.2020, 20:00:00 +, KeyTag 33853, Signer-Name: (root)



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



3 DNSKEY RR found



Public Key with Algorithm 8, KeyTag 17966, Flags 257 (SEP = Secure Entry Point)



Public Key with Algorithm 8, KeyTag 28770, Flags 256



Public Key with Algorithm 8, KeyTag 45604, Flags 256



1 RRSIG RR to validate DNSKEY RR found



Algorithm: 8, 1 Labels, original TTL: 3600 sec, Signature-expiration: 31.03.2020, 22:49:11 +, Signature-Inception: 02.03.2020, 07:47:56 +, KeyTag 17966, Signer-Name: design



Status: Good - Algorithmus 8 and DNSKEY with KeyTag 17966 used to validate the DNSKEY RRSet



Status: Valid Chain of trust. Parent-DS with Algorithm 8, KeyTag 17966, DigestType 1 and Digest "bLyuOwHYjd3d32AF8D2yWiw873g=" 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 17966, DigestType 2 and Digest "frSzDdn6Spf7TqSigK0Ghxco575fOHiESQQOCUtsG3Q=" validates local Key with the same values, Key ist Secure Entry Point (SEP) of the zone

Zone: colnbase.design
colnbase.design
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: www.colnbase.design
www.colnbase.design
0 DS RR in the parent zone found


3. Name Servers

DomainNameserverNS-IP
www.colnbase.design
  ns1.digitalocean.com

colnbase.design
U  colnbase.design
138.197.201.81
Santa Clara/California/United States (US) - DigitalOcean, LLC


  ns1.colnbase.design


  ns1.digitalocean.com / 67m30
173.245.58.51
Chicago/Illinois/United States (US) - Cloudflare, Inc.


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


  ns2.colnbase.design


  ns2.digitalocean.com / 67m2
173.245.59.41
Chicago/Illinois/United States (US) - Cloudflare, Inc.


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


  ns3.digitalocean.com / 67m24
198.41.222.173
Chicago/Illinois/United States (US) - Cloudflare, Inc.


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

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


  b.nic.design / FMCL-UEZCAO-YJSSPL


  c.nic.design / FMCL-UEZCAO-YJSSPL


  d.nic.design / NRDT-75SODK-AB8TIQ


4. SOA-Entries


Domain:design
Zone-Name:
Primary:ns0.centralnic.net
Mail:hostmaster.centralnic.net
Serial:263176
Refresh:900
Retry:1800
Expire:6048000
TTL:3600
num Entries:4


Domain:colnbase.design
Zone-Name:
Primary:
Mail:
Serial:
Refresh:
Retry:
Expire:
TTL:
num Entries:2


Domain:colnbase.design
Zone-Name:
Primary:ns1.colnbase.design
Mail:hostmaster.colnbase.design
Serial:1585181436
Refresh:900
Retry:900
Expire:1800
TTL:60
num Entries:1


Domain:colnbase.design
Zone-Name:
Primary:ns1.digitalocean.com
Mail:hostmaster.colnbase.design
Serial:1585180390
Refresh:10800
Retry:3600
Expire:604800
TTL:1800
num Entries:6


Domain:www.colnbase.design
Zone-Name:
Primary:
Mail:
Serial:
Refresh:
Retry:
Expire:
TTL:
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://colnbase.design/
138.197.201.81
302
https://colnbase.design/
Html is minified: 104.44 %
0.344
A
Content-Type: text/html; charset=utf-8
Location: https://colnbase.design/
Date: Thu, 26 Mar 2020 00:30:11 GMT
Content-Length: 47
Connection: close

• https://colnbase.design/
138.197.201.81
-14

10.030
T
Timeout - The operation has timed out

• http://colnbase.design/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de
138.197.201.81
404

0.357
A
Not Found
Visible Content:
Date: Thu, 26 Mar 2020 00:30:22 GMT
Content-Length: 0
Connection: close

7. Comments


1. General Results, most used to calculate the result

Aname "colnbase.design" is domain, public suffix is "design", top-level-domain-type is "generic", tld-manager is "Top Level Design, LLC"
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.
CError - no version with Http-Status 200
Hfatal error: No https - result with http-status 200, no encryption
XFatal error: Nameserver isn't defined or has timeout
XFatal error: Nameserver doesn't support TCP connection: colnbase.design / 138.197.201.81: 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 138.197.201.81:53

2. DNS- and NameServer - Checks

Fatal: Inconsistency 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.: ns2.digitalocean.com (173.245.59.41): Delegation: ns1.digitalocean.com,ns2.digitalocean.com,ns3.digitalocean.com, Zone: colnbase.design,ns1.digitalocean.com,ns2.digitalocean.com,ns3.digitalocean.com
Fatal: Inconsistency 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.: ns2.digitalocean.com (2400:cb00:2049:1::adf5:3b29): Delegation: ns1.digitalocean.com,ns2.digitalocean.com,ns3.digitalocean.com, Zone: colnbase.design,ns1.digitalocean.com,ns2.digitalocean.com,ns3.digitalocean.com
Fatal: Inconsistency 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.: ns3.digitalocean.com (198.41.222.173): Delegation: ns1.digitalocean.com,ns2.digitalocean.com,ns3.digitalocean.com, Zone: colnbase.design,ns1.digitalocean.com,ns2.digitalocean.com,ns3.digitalocean.com
Fatal: Inconsistency 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.: ns3.digitalocean.com (2400:cb00:2049:1::c629:dead): Delegation: ns1.digitalocean.com,ns2.digitalocean.com,ns3.digitalocean.com, Zone: colnbase.design,ns1.digitalocean.com,ns2.digitalocean.com,ns3.digitalocean.com
Fatal: Inconsistency 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.: colnbase.design (138.197.201.81): Delegation: ns1.digitalocean.com,ns2.digitalocean.com,ns3.digitalocean.com, Zone: ns1.colnbase.design,ns1.colnbase.design,ns2.colnbase.design
Fatal: Inconsistency 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.: ns1.digitalocean.com (173.245.58.51): Delegation: ns1.digitalocean.com,ns2.digitalocean.com,ns3.digitalocean.com, Zone: colnbase.design,ns1.digitalocean.com,ns2.digitalocean.com,ns3.digitalocean.com
Fatal: Inconsistency 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.: ns1.digitalocean.com (2400:cb00:2049:1::adf5:3a33): Delegation: ns1.digitalocean.com,ns2.digitalocean.com,ns3.digitalocean.com, Zone: colnbase.design,ns1.digitalocean.com,ns2.digitalocean.com,ns3.digitalocean.com
AInfo: Nameserver mit different domain names found. May be a problem with DNS-Updates
AGood: Nameserver supports Echo Capitalization: 7 good Nameserver
XFatal error: Nameserver doesn't support EDNS with max. 512 Byte Udp payload or sends more then 512 Bytes: colnbase.design
Nameserver doesn't pass all EDNS-Checks: colnbase.design / 138.197.201.81: 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.colnbase.design: 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.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: ns2.colnbase.design: 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.
XFatal error: Nameservers mit different SOA Serial Numbers
Agood: CAA entries found, creating certificate is limited: letsencrypt.org is allowed to create certificates

3. Content- and Performance-critical Checks

AGood: All checks /.well-known/acme-challenge/random-filename without redirects answer with the expected http status 404 - Not Found. Creating a Letsencrypt certificate via http-01 challenge should work. If it doesn't work: Check your vHost configuration (apachectl -S, httpd -S, nginx -T). Every combination of port and ServerName / ServerAlias (Apache) or Server (Nginx) must be unique. Merge duplicated entries in one vHost. If you use an IIS, extensionless files must be allowed in the /.well-known/acme-challenge subdirectory. Create a web.config in that directory. Content: <configuration><system.webServer><staticContent><mimeMap fileExtension="." mimeType="text/plain" /></staticContent></system.webServer></configuration>. If you have a redirect http ⇒ https, that's ok, Letsencrypt follows such redirects to port 80 / 443 (same or other server). There must be a certificate. But the certificate may be expired, self signed or with a not matching domain name. Checking the validation file Letsencrypt ignores such certificate errors. 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: 40027 milliseconds, 40.027 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)

No CertSpotter - CT-Log entries found


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

No CRT - CT-Log entries found


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
colnbase.design
5
issue
letsencrypt.org
1
0
design
0

no CAA entry found
1
0


14. TXT - Entries

DomainnameTXT EntryStatus∑ Queries∑ Timeout
colnbase.design

ok
1
0
_acme-challenge.colnbase.design
YxnxHMWxx0564IycsxLT44xb307zPoz2W3sYo58v1tw
looks good, correct length, correct characters
1
0
_acme-challenge.colnbase.design.colnbase.design

Name Error - The domain name does not exist
1
0


15. Portchecks

Domain or IPPortDescriptionResultAnswer
colnbase.design
21
FTP



colnbase.design
21
FTP



colnbase.design
22
SSH
open
SSH-2.0-OpenSSH_7.6p1 Ubuntu-4ubuntu0.3

colnbase.design
22
SSH
open
SSH-2.0-OpenSSH_7.6p1 Ubuntu-4ubuntu0.3

colnbase.design
25
SMTP



colnbase.design
25
SMTP



colnbase.design
53
DNS



colnbase.design
53
DNS



colnbase.design
110
POP3



colnbase.design
110
POP3



colnbase.design
143
IMAP



colnbase.design
143
IMAP



colnbase.design
465
SMTP (encrypted)



colnbase.design
465
SMTP (encrypted)



colnbase.design
587
SMTP (encrypted, submission)



colnbase.design
587
SMTP (encrypted, submission)



colnbase.design
993
IMAP (encrypted)



colnbase.design
993
IMAP (encrypted)



colnbase.design
995
POP3 (encrypted)



colnbase.design
995
POP3 (encrypted)



colnbase.design
1433
MS SQL



colnbase.design
1433
MS SQL



colnbase.design
2082
cPanel (http)



colnbase.design
2082
cPanel (http)



colnbase.design
2083
cPanel (https)



colnbase.design
2083
cPanel (https)



colnbase.design
2086
WHM (http)



colnbase.design
2086
WHM (http)



colnbase.design
2087
WHM (https)



colnbase.design
2087
WHM (https)



colnbase.design
2089
cPanel Licensing



colnbase.design
2089
cPanel Licensing



colnbase.design
2095
cPanel Webmail (http)



colnbase.design
2095
cPanel Webmail (http)



colnbase.design
2096
cPanel Webmail (https)



colnbase.design
2096
cPanel Webmail (https)



colnbase.design
2222
DirectAdmin (http)



colnbase.design
2222
DirectAdmin (http)



colnbase.design
2222
DirectAdmin (https)



colnbase.design
2222
DirectAdmin (https)



colnbase.design
3306
mySql



colnbase.design
3306
mySql



colnbase.design
5224
Plesk Licensing



colnbase.design
5224
Plesk Licensing



colnbase.design
5432
PostgreSQL



colnbase.design
5432
PostgreSQL



colnbase.design
8080
Ookla Speedtest (http)



colnbase.design
8080
Ookla Speedtest (http)



colnbase.design
8080
Ookla Speedtest (https)



colnbase.design
8080
Ookla Speedtest (https)



colnbase.design
8083
VestaCP http



colnbase.design
8083
VestaCP http



colnbase.design
8083
VestaCP https



colnbase.design
8083
VestaCP https



colnbase.design
8443
Plesk Administration (https)



colnbase.design
8443
Plesk Administration (https)



colnbase.design
8447
Plesk Installer + Updates



colnbase.design
8447
Plesk Installer + Updates



colnbase.design
8880
Plesk Administration (http)



colnbase.design
8880
Plesk Administration (http)



colnbase.design
10000
Webmin (http)



colnbase.design
10000
Webmin (http)



colnbase.design
10000
Webmin (https)



colnbase.design
10000
Webmin (https)



138.197.201.81
21
FTP



138.197.201.81
21
FTP



138.197.201.81
22
SSH
open
SSH-2.0-OpenSSH_7.6p1 Ubuntu-4ubuntu0.3

138.197.201.81
22
SSH
open
SSH-2.0-OpenSSH_7.6p1 Ubuntu-4ubuntu0.3

138.197.201.81
25
SMTP



138.197.201.81
25
SMTP



138.197.201.81
53
DNS



138.197.201.81
53
DNS



138.197.201.81
110
POP3



138.197.201.81
110
POP3



138.197.201.81
143
IMAP



138.197.201.81
143
IMAP



138.197.201.81
465
SMTP (encrypted)



138.197.201.81
465
SMTP (encrypted)



138.197.201.81
587
SMTP (encrypted, submission)



138.197.201.81
587
SMTP (encrypted, submission)



138.197.201.81
993
IMAP (encrypted)



138.197.201.81
993
IMAP (encrypted)



138.197.201.81
995
POP3 (encrypted)



138.197.201.81
995
POP3 (encrypted)



138.197.201.81
1433
MS SQL



138.197.201.81
1433
MS SQL



138.197.201.81
2082
cPanel (http)



138.197.201.81
2082
cPanel (http)



138.197.201.81
2083
cPanel (https)



138.197.201.81
2083
cPanel (https)



138.197.201.81
2086
WHM (http)



138.197.201.81
2086
WHM (http)



138.197.201.81
2087
WHM (https)



138.197.201.81
2087
WHM (https)



138.197.201.81
2089
cPanel Licensing



138.197.201.81
2089
cPanel Licensing



138.197.201.81
2095
cPanel Webmail (http)



138.197.201.81
2095
cPanel Webmail (http)



138.197.201.81
2096
cPanel Webmail (https)



138.197.201.81
2096
cPanel Webmail (https)



138.197.201.81
2222
DirectAdmin (http)



138.197.201.81
2222
DirectAdmin (http)



138.197.201.81
2222
DirectAdmin (https)



138.197.201.81
2222
DirectAdmin (https)



138.197.201.81
3306
mySql



138.197.201.81
3306
mySql



138.197.201.81
5224
Plesk Licensing



138.197.201.81
5224
Plesk Licensing



138.197.201.81
5432
PostgreSQL



138.197.201.81
5432
PostgreSQL



138.197.201.81
8080
Ookla Speedtest (http)



138.197.201.81
8080
Ookla Speedtest (http)



138.197.201.81
8080
Ookla Speedtest (https)



138.197.201.81
8080
Ookla Speedtest (https)



138.197.201.81
8083
VestaCP http



138.197.201.81
8083
VestaCP http



138.197.201.81
8083
VestaCP https



138.197.201.81
8083
VestaCP https



138.197.201.81
8443
Plesk Administration (https)



138.197.201.81
8443
Plesk Administration (https)



138.197.201.81
8447
Plesk Installer + Updates



138.197.201.81
8447
Plesk Installer + Updates



138.197.201.81
8880
Plesk Administration (http)



138.197.201.81
8880
Plesk Administration (http)



138.197.201.81
10000
Webmin (http)



138.197.201.81
10000
Webmin (http)



138.197.201.81
10000
Webmin (https)



138.197.201.81
10000
Webmin (https)





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