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



B

Missing HSTS or Cookie-warnings

Checked:
22.02.2021 19:07:01


Older results


1. IP-Addresses

HostTypeIP-Addressis auth.∑ Queries∑ Timeout
rk-computer.org
A
217.160.0.46
Rheinmuenster/Baden-Württemberg/Germany (DE) - 1&1 IONOS SE
Hostname: 217-160-0-46.elastic-ssl.ui-r.com
yes
1
0

AAAA

yes


www.rk-computer.org
A
217.160.0.46
Rheinmuenster/Baden-Württemberg/Germany (DE) - 1&1 IONOS SE
Hostname: 217-160-0-46.elastic-ssl.ui-r.com
yes
1
0

AAAA

yes


*.rk-computer.org
A
Name Error
yes



AAAA
Name Error
yes



CNAME
Name Error
yes



2. DNSSEC

Zone (*)DNSSEC - Informations

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



DS with Algorithm 8, KeyTag 20326, DigestType 2 and Digest 4G1EuAuPHTmpXAsNfGXQhFjogECbvGg0VxBCN8f47I0=



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 42351, Flags 256



1 RRSIG RR to validate DNSKEY RR found



RRSIG-Owner (root), Algorithm: 8, 0 Labels, original TTL: 172800 sec, Signature-expiration: 13.03.2021, 00:00:00 +, Signature-Inception: 20.02.2021, 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
1 DS RR in the parent zone found



DS with Algorithm 8, KeyTag 26974, DigestType 2 and Digest T+3ilMU/Q4oVjEHTlInNeKhr6w2KCur/FHRcDRbh3jI=



1 RRSIG RR to validate DS RR found



RRSIG-Owner org., Algorithm: 8, 1 Labels, original TTL: 86400 sec, Signature-expiration: 07.03.2021, 05:00:00 +, Signature-Inception: 22.02.2021, 04:00:00 +, KeyTag 42351, Signer-Name: (root)



Status: Good - Algorithmus 8 and DNSKEY with KeyTag 42351 used to validate the DS RRSet in the parent zone



3 DNSKEY RR found



Public Key with Algorithm 8, KeyTag 26974, Flags 257 (SEP = Secure Entry Point)



Public Key with Algorithm 8, KeyTag 27558, Flags 256



Public Key with Algorithm 8, KeyTag 34266, Flags 256



1 RRSIG RR to validate DNSKEY RR found



RRSIG-Owner org., Algorithm: 8, 1 Labels, original TTL: 900 sec, Signature-expiration: 10.03.2021, 15:29:59 +, Signature-Inception: 17.02.2021, 14:29:59 +, KeyTag 26974, Signer-Name: org



Status: Good - Algorithmus 8 and DNSKEY with KeyTag 26974 used to validate the DNSKEY RRSet



Status: Valid Chain of trust. Parent-DS with Algorithm 8, KeyTag 26974, DigestType 2 and Digest "T+3ilMU/Q4oVjEHTlInNeKhr6w2KCur/FHRcDRbh3jI=" validates local Key with the same values, Key ist Secure Entry Point (SEP) of the zone

Zone: rk-computer.org
rk-computer.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 query name "s1ssomh34vn141bhqjh9i86qtn36m8su" between the hashed NSEC3-owner "s1ss877hhblfvrhou554q5t43u740tki" and the hashed NextOwner "s1svlad4d71i9dvlqj7rogqa5aleevv2". So the parent zone confirmes the not-existence of a DS RR.
Bitmap: NS, DS, RRSIG Validated: RRSIG-Owner s1ss877hhblfvrhou554q5t43u740tki.org., Algorithm: 8, 2 Labels, original TTL: 86400 sec, Signature-expiration: 10.03.2021, 15:29:59 +, Signature-Inception: 17.02.2021, 14:29:59 +, KeyTag 34266, Signer-Name: org



DS-Query in the parent zone sends valid NSEC3 RR with the Hash "d6n22mffurrkkhup4jscmntse266m0lq" as Owner. That's the Hash of "org" with the NextHashedOwnerName "d6n6gr81bv9d3ce1vsg6fn5bau7ub671". So that domain name is the Closest Encloser of "rk-computer.org". Opt-Out: True.
Bitmap: NS, SOA, RRSIG, DNSKEY, NSEC3PARAM Validated: RRSIG-Owner d6n22mffurrkkhup4jscmntse266m0lq.org., Algorithm: 8, 2 Labels, original TTL: 86400 sec, Signature-expiration: 15.03.2021, 18:06:46 +, Signature-Inception: 22.02.2021, 17:06:46 +, KeyTag 34266, Signer-Name: org



0 DNSKEY RR found




Zone: www.rk-computer.org
www.rk-computer.org
0 DS RR in the parent zone found


3. Name Servers

DomainNameserverNS-IP
www.rk-computer.org
  ns1059.ui-dns.de / dns-pub-de-fra-fr704.server.lan

rk-computer.org
  ns1031.ui-dns.biz / dns-pub-de-fra-fr703.server.lan
217.160.81.31
Karlsruhe/Baden-Württemberg/Germany (DE) - 1&1 IONOS SE


 
2001:8d8:fe:53:0:d9a0:511f:100
Karlsruhe/Baden-Württemberg/Germany (DE) - AS8560 anycast


  ns1059.ui-dns.de / dns-pub-de-fra-fr704.server.lan
217.160.80.59
Karlsruhe/Baden-Württemberg/Germany (DE) - 1&1 IONOS SE


 
2001:8d8:fe:53:0:d9a0:503b:100
Karlsruhe/Baden-Württemberg/Germany (DE) - AS8560 anycast


  ns1062.ui-dns.com / dns-pub-de-fra-fr704.server.lan
217.160.82.62
Karlsruhe/Baden-Württemberg/Germany (DE) - 1&1 IONOS SE


 
2001:8d8:fe:53:0:d9a0:523e:100
Karlsruhe/Baden-Württemberg/Germany (DE) - AS8560 anycast


  ns1075.ui-dns.org / dns-pub-de-fra-fr704.server.lan
217.160.83.75
Karlsruhe/Baden-Württemberg/Germany (DE) - 1&1 IONOS SE


 
2001:8d8:fe:53:0:d9a0:534b:100
Karlsruhe/Baden-Württemberg/Germany (DE) - AS8560 anycast

org
  a0.org.afilias-nst.info / ns000b.app15.ams2.afilias-nst.info


  a2.org.afilias-nst.info / FRA3


  b0.org.afilias-nst.org / ns000b.app5.ams2.afilias-nst.info


  b2.org.afilias-nst.org / FRA3


  c0.org.afilias-nst.info / app15.iad1.hosts.meta.redstone.afilias-nst.info-2020121101


  d0.org.afilias-nst.org / ns000b.app5.ams2.afilias-nst.info


4. SOA-Entries


Domain:org
Zone-Name:org
Primary:a0.org.afilias-nst.info
Mail:noc.afilias-nst.info
Serial:2014263089
Refresh:1800
Retry:900
Expire:604800
TTL:86400
num Entries:6


Domain:rk-computer.org
Zone-Name:rk-computer.org
Primary:ns1059.ui-dns.de
Mail:hostmaster.schlund.de
Serial:2017071701
Refresh:28800
Retry:7200
Expire:604800
TTL:300
num Entries:8


Domain:www.rk-computer.org
Zone-Name:rk-computer.org
Primary:ns1059.ui-dns.de
Mail:hostmaster.schlund.de
Serial:2017071701
Refresh:28800
Retry:7200
Expire:604800
TTL:300
num Entries:1


5. Screenshots

Startaddress: https://www.rk-computer.org, address used: https://www.rk-computer.org/, Screenshot created 2021-02-22 19:08:13 +00:0

Mobil (412px x 732px)

642 milliseconds

Screenshot mobile - https://www.rk-computer.org/
Mobil + Landscape (732px x 412px)

706 milliseconds

Screenshot mobile landscape - https://www.rk-computer.org/
Screen (1280px x 1680px)

1425 milliseconds

Screenshot Desktop - https://www.rk-computer.org/

Mobile- and other Chrome-Checks

widthheight
visual Viewport396732
content Size3962729

Good: No horizontal scrollbar. Content-size width = visual Viewport width.

Chrome-Connection: secure. secure connection settings. The connection to this site is encrypted and authenticated using TLS 1.2, ECDHE_RSA with X25519, and AES_128_GCM.

Chrome-Resources : secure. all served securely. All resources on this page are served securely.

6. Url-Checks


:

:
DomainnameHttp-StatusredirectSec.G
• http://rk-computer.org/
217.160.0.46
301
https://www.rk-computer.org/
0.127

Content-Type: text/html
Transfer-Encoding: chunked
Connection: close
Date: Mon, 22 Feb 2021 18:07:33 GMT
Server: Apache
Expires: Thu, 19 Nov 1981 08:52:00 GMT
Cache-Control: no-store, no-cache, must-revalidate, post-check=0, pre-check=0
Pragma: no-cache
Set-Cookie: DIY_SB=a6fd678543440e0431a29515ff4564f2; path=/
Location: https://www.rk-computer.org/

• http://www.rk-computer.org/
217.160.0.46
301
https://www.rk-computer.org/
0.116

Content-Type: text/html
Transfer-Encoding: chunked
Connection: close
Date: Mon, 22 Feb 2021 18:07:33 GMT
Server: Apache
Expires: Thu, 19 Nov 1981 08:52:00 GMT
Cache-Control: no-store, no-cache, must-revalidate, post-check=0, pre-check=0
Pragma: no-cache
Set-Cookie: DIY_SB=8af46b7325eb2783032c147695fbb885; path=/
Location: https://www.rk-computer.org/

• https://rk-computer.org/
217.160.0.46
301
https://www.rk-computer.org/
3.386
B
Content-Type: text/html
Transfer-Encoding: chunked
Connection: close
Date: Mon, 22 Feb 2021 18:07:33 GMT
Server: Apache
Expires: Thu, 19 Nov 1981 08:52:00 GMT
Cache-Control: no-store, no-cache, must-revalidate, post-check=0, pre-check=0
Pragma: no-cache
Set-Cookie: DIY_SB=a05ffba184f4ae3836684e09b8e11e30; path=/
Location: https://www.rk-computer.org/

• https://www.rk-computer.org/
217.160.0.46 GZip used - 6931 / 28534 - 75.71 %
Inline-JavaScript (∑/total): 18/5228 Inline-CSS (∑/total): 3/1711
200

Html is minified: 151.82 %
3.307
B
Content-Type: text/html; charset=UTF-8
Content-Length: 6931
Connection: close
Date: Mon, 22 Feb 2021 18:07:37 GMT
Server: Apache
Expires: Thu, 19 Nov 1981 08:52:00 GMT
Cache-Control: no-store, no-cache, must-revalidate, post-check=0, pre-check=0
Pragma: no-cache
X-Content-Type-Options: nosniff
X-Xss-Protection: 0;report=https://cdn.website-start.de/app/reporting/policyviolation/submit
Content-Security-Policy-Report-Only: default-src *;script-src 'unsafe-inline' 'unsafe-eval' *;style-src 'unsafe-inline' *;connect-src * blob:;report-uri https://cdn.website-start.de/app/reporting/policyviolation/submit
Content-Encoding: gzip
Vary: Accept-Encoding
Set-Cookie: DIY_SB=efc0aee699b251250588d6dfd88e6b84; path=/

• http://rk-computer.org/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de
217.160.0.46
204

0.057
A
Visible Content:
Connection: close
Server: nginx/1.10.3
Date: Mon, 22 Feb 2021 18:07:42 GMT
X-Content-Type-Options: nosniff
X-XSS-Protection: 1; mode=block
Cache-Control: no-cache, no-store, max-age=0, must-revalidate
Pragma: no-cache
Expires: 0
X-Frame-Options: DENY

• http://www.rk-computer.org/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de
217.160.0.46
204

0.046
A
Visible Content:
Connection: close
Server: nginx/1.10.3
Date: Mon, 22 Feb 2021 18:07:43 GMT
X-Content-Type-Options: nosniff
X-XSS-Protection: 1; mode=block
Cache-Control: no-cache, no-store, max-age=0, must-revalidate
Pragma: no-cache
Expires: 0
X-Frame-Options: DENY

• https://217.160.0.46/
217.160.0.46
-10

0.036
P
SecureChannelFailure - The request was aborted: Could not create SSL/TLS secure channel.

7. Comments


1. General Results, most used to calculate the result

Aname "rk-computer.org" is domain, public suffix is ".org", top-level-domain is ".org", top-level-domain-type is "generic", tld-manager is "Public Interest Registry (PIR)", num .org-domains preloaded: 5035 (complete: 142558)
Agood: All ip addresses are public addresses
Warning: Only one ip address found: rk-computer.org has only one ip address.
Warning: Only one ip address found: www.rk-computer.org has only one ip address.
Warning: No ipv6 address found. Ipv6 is the future with a lot of new features. So every domain name should have an ipv6 address. See https://en.wikipedia.org/wiki/IPv6: rk-computer.org has no ipv6 address.
Warning: No ipv6 address found. Ipv6 is the future with a lot of new features. So every domain name should have an ipv6 address. See https://en.wikipedia.org/wiki/IPv6: www.rk-computer.org has no ipv6 address.
Agood: No asked Authoritative Name Server had a timeout
Agood: destination is https
Agood - only one version with Http-Status 200
Agood: one preferred version: www is preferred
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: All urls with http status 200/404 have a complete Content-Type header (MediaType / MediaSubType + correct charset)
Bhttps://rk-computer.org/ 217.160.0.46
301

Missing HSTS-Header
Bhttps://www.rk-computer.org/ 217.160.0.46
200

Missing HSTS-Header
http://rk-computer.org/ 217.160.0.46
301
DIY_SB=a6fd678543440e0431a29515ff4564f2; path=/
Fatal: Cookie sent via http. Never send Cookies / Session-Cookies via http. If a user uses an insecure WLan and if the same cookie is used to managed the authenticated session, it's possible to hack that user. Same with HttpOnly - without https that's only decorative.
http://www.rk-computer.org/ 217.160.0.46
301
DIY_SB=8af46b7325eb2783032c147695fbb885; path=/
Fatal: Cookie sent via http. Never send Cookies / Session-Cookies via http. If a user uses an insecure WLan and if the same cookie is used to managed the authenticated session, it's possible to hack that user. Same with HttpOnly - without https that's only decorative.
Bhttps://rk-computer.org/ 217.160.0.46
301
DIY_SB=a05ffba184f4ae3836684e09b8e11e30; path=/
Cookie sent via https, but not marked as secure
Bhttps://www.rk-computer.org/ 217.160.0.46
200
DIY_SB=efc0aee699b251250588d6dfd88e6b84; path=/
Cookie sent via https, but not marked as secure
Bhttp://rk-computer.org/ 217.160.0.46
301
DIY_SB=a6fd678543440e0431a29515ff4564f2; path=/
Cookie without a SameSite-Attribute. Possible values are: Strict/Lax/None. Cookie may not work as expected, if "None" is wanted, but browsers use "Lax" as default value.
Bhttp://www.rk-computer.org/ 217.160.0.46
301
DIY_SB=8af46b7325eb2783032c147695fbb885; path=/
Cookie without a SameSite-Attribute. Possible values are: Strict/Lax/None. Cookie may not work as expected, if "None" is wanted, but browsers use "Lax" as default value.
Bhttps://rk-computer.org/ 217.160.0.46
301
DIY_SB=a05ffba184f4ae3836684e09b8e11e30; path=/
Cookie without a SameSite-Attribute. Possible values are: Strict/Lax/None. Cookie may not work as expected, if "None" is wanted, but browsers use "Lax" as default value.
Bhttps://www.rk-computer.org/ 217.160.0.46
200
DIY_SB=efc0aee699b251250588d6dfd88e6b84; path=/
Cookie without a SameSite-Attribute. Possible values are: Strict/Lax/None. Cookie may not work as expected, if "None" is wanted, but browsers use "Lax" as default value.
Phttps://217.160.0.46/ 217.160.0.46
-10

Error creating a TLS-Connection: TLSv1.2 and Cipher Suite ECDHE-RSA-AES128-GCM-SHA256 found. This tool uses TLSv1.2, but not that Cipher Suite. Add additional Cipher Suites.
Info: Checking the ip addresses of that domain name not exact one certificate found. So it's impossible to check if that domain requires Server Name Indication (SNI).: Domain rk-computer.org, 1 ip addresses.
Info: Checking the ip addresses of that domain name not exact one certificate found. So it's impossible to check if that domain requires Server Name Indication (SNI).: Domain www.rk-computer.org, 1 ip addresses.

2. DNS- and NameServer - Checks

AInfo:: 52 Root-climbing DNS Queries required to find all IPv4- and IPv6-Addresses of 4 Name Servers.
AInfo:: 52 Queries complete, 51 with IPv6, 1 with IPv4.
Warning: Only some DNS Queries done via ipv6. IPv6 is the future, so the name servers of your name servers should have ipv6 addresses.
Bad (greater 8):: An average of 13.0 queries per domain name server required to find all ip addresses of all name servers.
AInfo:: 4 different Name Servers found: ns1031.ui-dns.biz, ns1059.ui-dns.de, ns1062.ui-dns.com, ns1075.ui-dns.org, 4 Name Servers included in Delegation: ns1031.ui-dns.biz, ns1059.ui-dns.de, ns1062.ui-dns.com, ns1075.ui-dns.org, 4 Name Servers included in 1 Zone definitions: ns1031.ui-dns.biz, ns1059.ui-dns.de, ns1062.ui-dns.com, ns1075.ui-dns.org, 1 Name Servers listed in SOA.Primary: ns1059.ui-dns.de.
AGood: Only one SOA.Primary Name Server found.: ns1059.ui-dns.de.
AGood: SOA.Primary Name Server included in the delegation set.: ns1059.ui-dns.de.
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: ns1031.ui-dns.biz, ns1059.ui-dns.de, ns1062.ui-dns.com, ns1075.ui-dns.org
AGood: All Name Server Domain Names have a Public Suffix.
AGood: All Name Server Domain Names ending with a Public Suffix have minimal one IPv4- or IPv6 address.
AGood: All Name Server ip addresses are public.
AGood: Minimal 2 different name servers (public suffix and public ip address) found: 4 different Name Servers found
AGood: All name servers have ipv4- and ipv6-addresses.: 4 different Name Servers found
AGood: Name servers with different Top Level Domains / Public Suffix List entries found: 4 Name Servers, 4 Top Level Domains: de, org, com, biz
AGood: Name Servers with different domain names found.: 4 different Domains found
Warning: All Name Servers from the same Country / IP location.: 4 Name Servers, 1 Countries: DE
AInfo: Ipv4-Subnet-list: 4 Name Servers, 1 different subnets (first Byte): 217., 1 different subnets (first two Bytes): 217.160., 4 different subnets (first three Bytes): 217.160.80., 217.160.81., 217.160.82., 217.160.83.
AGood: Name Server IPv4-addresses from different subnet found:
AInfo: IPv6-Subnet-list: 4 Name Servers with IPv6, 1 different subnets (first block): 2001:, 1 different subnets (first two blocks): 2001:08d8:, 1 different subnets (first three blocks): 2001:08d8:00fe:, 1 different subnets (first four blocks): 2001:08d8:00fe:0053:
Fatal: All Name Server IPv6 addresses from the same subnet.
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: b2.org.afilias-nst.org: OP100: ok. FLAGS: SOA expected, but NOT found, NOERR expectend and NOERR found, Version 0 expectend and found. V1: ok. V1OP100: ok. V1FLAGS: ok. DNSSEC: ok. V1DNSSEC: ok. NSID: ok (FRA3). COOKIE: ok. CLIENTSUBNET: ok.
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://rk-computer.org/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de 217.160.0.46
204

Fatal: Check of /.well-known/acme-challenge/random-filename has a http status 201, 202, 203 or 204. Creating a Letsencrypt certificate via http-01 challenge can't work. A http status 301-309 (Redirect to another domain or port 80 / 443) or a http status 404 - Not Found is expected, if the test file doesn't exist. Looks like the webserver isn't configured, perhaps it's an answer of your hoster. Trouble creating a certificate? Use https://community.letsencrypt.org/ to ask.
http://www.rk-computer.org/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de 217.160.0.46
204

Fatal: Check of /.well-known/acme-challenge/random-filename has a http status 201, 202, 203 or 204. Creating a Letsencrypt certificate via http-01 challenge can't work. A http status 301-309 (Redirect to another domain or port 80 / 443) or a http status 404 - Not Found is expected, if the test file doesn't exist. Looks like the webserver isn't configured, perhaps it's an answer of your hoster. Trouble creating a certificate? Use https://community.letsencrypt.org/ to ask.
AGood: Every https result with status 200 supports GZip.
https://www.rk-computer.org/ 217.160.0.46
200

Warning: Https + http status 200 + Inline CSS / JavaScript found. Don't use inline CSS / JavaScript. These are compiled and re-used ressources, save these with a long Cache-Control max-age - header.
https://www.rk-computer.org/ 217.160.0.46
200

Warning: Https result with status 200 found, Html-Content is too big. Should be max. 110 %. May contain inline CSS / JavaScript, too much comments or white space. Re-used ressources - create files with a long Cache-Control max-age header. Remove comments and white space.
AGood: Every https connection via port 443 supports the http/2 protocol via ALPN.
https://www.rk-computer.org/ 217.160.0.46
200

Critical: Some script Elements (type text/javascript) with a src-Attribute don't have a defer / async - Attribute. Loading and executing these JavaScripts blocks parsing and rendering the Html-Output. That's bad if your site is large or the connection is slow / mobile usage. Use "async" if the js file has only functions (so nothing is executed after parsing the file) or is independend. Use "defer" if the order of the scripts is important. All "defer" scripts are executed before the DOMContentLoaded event is fired. Check https://developer.mozilla.org/en-US/docs/Web/HTML/Element/script to see some details.: 7 script elements without defer/async.
AGood: All CSS / JavaScript files are sent with GZip. That reduces the content of the files. 14 external CSS / JavaScript files found
AGood: All images with internal compression not sent via GZip. Images (.png, .jpg) are already compressed, so an additional GZip isn't helpful. 3 images (type image/png, image/jpg) found without additional GZip. Not required because these images are already compressed
Warning: CSS / JavaScript files with a missing or too short Cache-Control header found. Browsers should cache and re-use these files. 0 external CSS / JavaScript files without Cache-Control-Header, 2 with Cache-Control, but no max-age, 3 with Cache-Control max-age too short (minimum 7 days), 9 with Cache-Control long enough, 14 complete.
Warning: Images with a missing or too short Cache-Control header found. Browsers should cache and re-use these files. 0 image files without Cache-Control-Header, 0 with Cache-Control, but no max-age, 6 with Cache-Control max-age too short (minimum 7 days), 1 with Cache-Control long enough, 7 complete.
AGood: All checked attribute values are enclosed in quotation marks (" or ').
AGood: Some img-elements have a valid alt-attribute.: 7 img-elements found, 4 img-elements with correct alt-attributes (defined, not an empty value).
Wrong: img-elements without alt-attribute or empty alt-attribute found. The alt-attribute ("alternative") is required and should describe the img. So Screenreader and search engines are able to use these informations.: 3 img-elements without alt-attribute, 0 img-elements with empty alt-attribute found.
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
AInfo: Different Server-Headers found
ADuration: 78637 milliseconds, 78.637 seconds


8. Connections

DomainIPPortCert.ProtocolKeyExchangeStrengthCipherStrengthHashAlgorithmOCSP stapling
Domain/KeyExchangeIP/StrengthPort/CipherCert./StrengthProtocol/HashAlgorithmOCSP stapling
rk-computer.org
217.160.0.46
443
ok
Tls12
ECDH Ephermal
255
Aes128
128
Sha256
supported
ok
rk-computer.org
217.160.0.46
443
ok
Tls12

ECDH Ephermal
255
Aes128
128
Sha256
supported
ok
http/2 via ALPN supported 
Tls.1.2
no Tls.1.1
no Tls.1.0
http/2 via ALPN supported
Tls.1.2
no Tls.1.1
no Tls.1.0
Chain (complete)
1CN=*.rk-computer.org

2CN=Encryption Everywhere DV TLS CA - G1, OU=www.digicert.com, O=DigiCert Inc, C=US


www.rk-computer.org
217.160.0.46
443
ok
Tls12
ECDH Ephermal
255
Aes128
128
Sha256
supported
ok

www.rk-computer.org
217.160.0.46
443
ok
Tls12

ECDH Ephermal
255
Aes128
128
Sha256
supported
ok
http/2 via ALPN supported 
Tls.1.2
no Tls.1.1
no Tls.1.0
http/2 via ALPN supported
Tls.1.2
no Tls.1.1
no Tls.1.0
Chain (complete)
1CN=*.rk-computer.org

2CN=Encryption Everywhere DV TLS CA - G1, OU=www.digicert.com, O=DigiCert Inc, C=US


9. Certificates

1.
1.
CN=*.rk-computer.org
29.12.2020
12.01.2022
expires in 316 days
*.rk-computer.org, rk-computer.org - 2 entries
1.
1.
CN=*.rk-computer.org
29.12.2020

12.01.2022
expires in 316 days
*.rk-computer.org, rk-computer.org - 2 entries

KeyalgorithmRSA encryption (2048 bit)
Signatur:SHA256 With RSA-Encryption
Serial Number:0367765F32A86E9F15C8F109B331590C
Thumbprint:4B903D406695EF645ED0594E673AAA4339122686
SHA256 / Certificate:XAqouf6+8QOvqVjhQyrWM6jqj11g33v9D2ItzxlIbf8=
SHA256 hex / Cert (DANE * 0 1):e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA256 hex / PublicKey (DANE * 1 1):48c528a8bab2897a723b81c70fb4bec491f13f6c91a05c68098a374c070bbd31
SHA256 hex / Subject Public Key Information (SPKI):2be215d028cf81976665a68bdab766270fd130a04f772c027c91b1c481dc62ef
SPKI checked via https://v1.pwnedkeys.com/spki-hash:Good: Key isn't compromised
OCSP - Url:http://ocsp.digicert.com
OCSP - must staple:no
Certificate Transparency:yes
Enhanced Key Usage:Serverauthentifizierung (1.3.6.1.5.5.7.3.1), Clientauthentifizierung (1.3.6.1.5.5.7.3.2)


2.
CN=Encryption Everywhere DV TLS CA - G1, OU=www.digicert.com, O=DigiCert Inc, C=US
27.11.2017
27.11.2027
expires in 2461 days


2.
CN=Encryption Everywhere DV TLS CA - G1, OU=www.digicert.com, O=DigiCert Inc, C=US
27.11.2017

27.11.2027
expires in 2461 days


KeyalgorithmRSA encryption (2048 bit)
Signatur:SHA256 With RSA-Encryption
Serial Number:0279AC458BC1B245ABF98053CD2C9BB1
Thumbprint:594F2DD10352C2360138EE35AA906F973AA30BD3
SHA256 / Certificate:FesKdcZzq/vc0vr8AoI8kf5svDbgB4hELIdU1yvsNxc=
SHA256 hex / Cert (DANE * 0 1):15eb0a75c673abfbdcd2fafc02823c91fe6cbc36e00788442c8754d72bec3717
SHA256 hex / PublicKey (DANE * 1 1):188ef96a7484764b878f4e66ade13449df6313a755a94233cd74471e564155b2
SHA256 hex / Subject Public Key Information (SPKI):bb701ee095f4927f4eec2dd9d057dc40cb40352c90d9df8818ad54b5a4dfd64f
SPKI checked via https://v1.pwnedkeys.com/spki-hash:Good: Key isn't compromised
OCSP - Url:http://ocsp.digicert.com
OCSP - must staple:no
Certificate Transparency:no
Enhanced Key Usage:Server Authentication (1.3.6.1.5.5.7.3.1), Client Authentication (1.3.6.1.5.5.7.3.2)


3.
CN=DigiCert Global Root CA, OU=www.digicert.com, O=DigiCert Inc, C=US
10.11.2006
10.11.2031
expires in 3905 days


3.
CN=DigiCert Global Root CA, OU=www.digicert.com, O=DigiCert Inc, C=US
10.11.2006

10.11.2031
expires in 3905 days


KeyalgorithmRSA encryption (2048 bit)
Signatur:SHA-1 with RSA Encryption
Serial Number:083BE056904246B1A1756AC95991C74A
Thumbprint:A8985D3A65E5E5C4B2D7D66D40C6DD2FB19C5436
SHA256 / Certificate:Q0ig6URMeMsmXgWNXolEtNhPlmK9Jtslf4k0pEPHAWE=
SHA256 hex / Cert (DANE * 0 1):4348a0e9444c78cb265e058d5e8944b4d84f9662bd26db257f8934a443c70161
SHA256 hex / PublicKey (DANE * 1 1):aff988906dde12955d9bebbf928fdcc31cce328d5b9384f21c8941ca26e20391
SHA256 hex / Subject Public Key Information (SPKI):3286b9f475e53f685e0a6a41ce072a95e6a359b79f387a1c691caf50a756d5a3
SPKI checked via https://v1.pwnedkeys.com/spki-hash:Good: Key isn't compromised
OCSP - Url:
OCSP - must staple:no
Certificate Transparency:no
Enhanced Key Usage:



10. Last Certificates - Certificate Transparency Log Check

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

Issuerlast 7 daysactivenum Certs
CN=Encryption Everywhere DV TLS CA - G1, OU=www.digicert.com, O=DigiCert Inc, C=US
0
1
1

CertSpotter-IdIssuernot beforenot afterDomain namesLE-Duplicatenext LE
2173528986
leaf cert
CN=Encryption Everywhere DV TLS CA - G1, OU=www.digicert.com, O=DigiCert Inc, C=US
2020-12-29 00:00:00
2022-01-11 23:59:59
*.rk-computer.org, rk-computer.org - 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=Encryption Everywhere DV TLS CA - G1, OU=www.digicert.com, O=DigiCert Inc, C=US
0
1
2

CRT-IdIssuernot beforenot afterDomain namesLE-Duplicatenext LE
3879440323
leaf cert
CN=Encryption Everywhere DV TLS CA - G1, OU=www.digicert.com, O=DigiCert Inc, C=US
2020-12-28 23:00:00
2022-01-11 22:59:59
*.rk-computer.org, rk-computer.org
2 entries


2339219964
leaf cert
CN=Encryption Everywhere DV TLS CA - G1, OU=www.digicert.com, O=DigiCert Inc, C=US
2020-01-12 23:00:00
2021-01-12 11:00:00
*.rk-computer.org, rk-computer.org
2 entries



11. Html-Content - Entries

Summary

Subresource Integrity (SRI)
DomainnameHtmlElementrel/property∑ size∑ problems∑ int.∑ ext.∑ Origin poss.∑ SRI ParseErrors∑ SRI valid∑ SRI missing
https://www.rk-computer.org/
217.160.0.46
a

23

0


0
0
0


img

7
95,781 Bytes
0
6
1
0
0
0


link
dns-prefetch
3

0


0
0
0


link
stylesheet
7
22,402 Bytes
0
1
6
0
0
0


link
other
1
198 Bytes
0
0
1
0
0
0


meta
og
5
7,565 Bytes
0
2
0
0
0
0


meta
other
30

0


0
0
0


script

7
176,755 Bytes
0
0
7
5
0
0
-5

Details

DomainnameHtml-Elementname/equiv/ property/relhref/src/contentHttpStatusmsgStatus
https://www.rk-computer.org/
217.160.0.46
a




1
ok








a

http://www.pcvisit.de/fileadmin/software/pcvisit_Support_15_Kunden_Modul.exe


1
ok








a

https://102.sb.mywebsite-editor.com/app/545452922/924408261/


1
ok








a

https://102.sb.mywebsite-editor.com/app/cms/logout.php


1
ok








a

https://maps.apple.com/?daddr=Brunnenstra%C3%9Fe+20a%2C+K%C3%B6then+%28Anhalt%29%2C+06366%2C+300


1
ok








a

https://nacl.pcvisit.com:443/stable_update/v1/hosted/jumplink?productid=18&func=download&productrole=guestSetup&companyid=218159737&gateway=lb3.pcvisit.de


1
ok








a

https://www.rk-computer.org/


2
ok








a

https://www.rk-computer.org/impressum-und-datenschutz/


2
ok








a

https://www.rk-computer.org/kontakt/


2
ok








a

https://www.rk-computer.org/partner/


2
ok








a

https://www.rk-computer.org/s/cc_images/teaserbox_2490853146.jpg?t=1594891038


1
ok








a

https://www.rk-computer.org/sitemap/


1
ok








a

https://www.rk-computer.org/über-uns/


2
ok








a

javascript:switchView('desktop');


1
ok








a

javascript:switchView('mobile');


1
ok








a

javascript:window.print();


1
ok








a

mailto:info@rk-computer.org


1
ok








a

tel:+49 3496 557904


1
ok








img
src
//cdn.website-start.de/s/img/cc/printer.gif
200

1
ok
alt: Druckversionimage/gif, missing X-Content-Type-Options nosniff

Cache-Control: max-age=604800 with long duration found.
No GZip - 336 Bytes




Server-Header Access-Control-Allow-Origin: not found
Cross-Origin Resource Sharing (CORS) not supported



img
src
https://www.rk-computer.org/s/cc_images/cache_2459231795.png?t=1533814964
200

1
ok
alt: RK Computer Support-Toolimage/png, missing X-Content-Type-Options nosniff

Cache-Control: max-age=3600 - max-age too short.
No GZip - 8488 Bytes






img
src
https://www.rk-computer.org/s/cc_images/cache_2459232141.png?t=1430927473
200

1
ok
alt: Über unsimage/png, missing X-Content-Type-Options nosniff

Cache-Control: max-age=3600 - max-age too short.
No GZip - 35617 Bytes






img
src
https://www.rk-computer.org/s/cc_images/cache_2459232144.png?t=1430927479
200

1
ok
alt: Unsere Partnerimage/png, missing X-Content-Type-Options nosniff

Cache-Control: max-age=3600 - max-age too short.
No GZip - 18460 Bytes






img
src
https://www.rk-computer.org/s/cc_images/cache_2490853146.jpg?t=1594891038
200

1
ok
no alt-Attributeimage/jpeg, missing X-Content-Type-Options nosniff

Cache-Control: max-age=3600 - max-age too short.
No GZip - 31616 Bytes






img
src
https://www.rk-computer.org/s/img/emotionheader.gif?.0.0px
200

2
ok
no alt-Attributeimage/gif, missing X-Content-Type-Options nosniff

Cache-Control: max-age=3600 - max-age too short.
No GZip - 632 Bytes






link
dns-prefetch
//102.mod.mywebsite-editor.com


1
ok








link
dns-prefetch
//cdn.website-start.de/


1
ok








link
dns-prefetch
https://102.sb.mywebsite-editor.com/


1
ok








link
shortcut icon
//cdn.website-start.de/favicon.ico
200

1
ok
image/vnd.microsoft.icon, missing X-Content-Type-Options nosniff

Cache-Control: max-age=604800 with long duration found.
No GZip - 198 Bytes




Server-Header Access-Control-Allow-Origin: not found
Cross-Origin Resource Sharing (CORS) not supported



link
stylesheet
//cdn.website-start.de/app/cdn/min/group/mobilenavigation.css?1596716279695
200

1
ok
text/css; charset=utf-8, missing X-Content-Type-Options nosniff

Cache-Control: max-age=604800 - with long duration found.
GZip: 672/1777 Bytes




Server-Header Access-Control-Allow-Origin: not found
Cross-Origin Resource Sharing (CORS) not supported



link
stylesheet
//cdn.website-start.de/app/cdn/min/group/web.css?1596716279695
200

1
ok
text/css; charset=utf-8, missing X-Content-Type-Options nosniff

Cache-Control: max-age=604800 - with long duration found.
GZip: 9126/45335 Bytes




Server-Header Access-Control-Allow-Origin: not found
Cross-Origin Resource Sharing (CORS) not supported


Content loaded via url("...")

/s/diy/common/img/loader.gif1
/s/diy/common/img/loader.png1
/s/diy/jquery/ui/widgets/switch/img/switch-sprite-24px.png1
/s/img/alert.gif1
/s/img/captcha_bg.jpg1
/s/img/captcha_pfeil.gif2
/s/img/captcha_refresh.jpg1
/s/img/captcha_refresh_h.jpg1
/s/img/cc/alert.gif1
/s/img/cc/icons/close.gif2
/s/img/cc/info.gif1
/s/img/cc/next.png1
/s/img/cc/ok.gif1
/s/img/cc/prev.png1
/s/img/cc/sendpage.gif1
/s/img/cc/sitemapdocbullet.gif1
/s/img/cc/warning.gif2
/s/img/cms/buttons/btn_primary_action.png3
/s/img/cms/buttons/btn_secondary_action.png2
/s/img/cms/loading/16x16.gif1
/s/img/ok.gif1
/s/img/warning.gif1
/s/js/jquery/plugins/swipeBox/img/icons.png1
/s/js/jquery/plugins/swipeBox/img/loader.gif1
/s/js/jquery/plugins/tinyLightbox/img/close.gif1
/s/js/jquery/plugins/tinyLightbox/img/fullscreen.png1
/s/js/jquery/plugins/tinyLightbox/img/loading.gif1
/s/js/jquery/plugins/tinyLightbox/img/next.png1
/s/js/jquery/plugins/tinyLightbox/img/play-pause.gif1
/s/js/jquery/plugins/tinyLightbox/img/play-pause.png1
/s/js/jquery/plugins/tinyLightbox/img/prev.png1

link
stylesheet
//cdn.website-start.de/app/cdn/min/moduleserver/css/de_DE/common,counter,shoppingbasket?1596716279695
200

1
ok
text/css; charset=utf-8, missing X-Content-Type-Options nosniff

Cache-Control: max-age=604800 - with long duration found.
GZip: 4209/32484 Bytes




Server-Header Access-Control-Allow-Origin: not found
Cross-Origin Resource Sharing (CORS) not supported


Content loaded via url("...")

/mod/common/files/img/1und1_header_bg_left.png1
/mod/common/files/img/1und1_header_bg_middle.png1
/mod/common/files/img/1und1_header_bg_right.png1
/mod/common/files/img/close.gif1
/mod/common/files/img/error16.png3
/mod/common/files/img/tab_bottom.gif1
/mod/common/files/img/tab_document.gif1
/mod/common/files/img/tab_image.gif1
/mod/common/files/img/timeline.gif1
/mod/common/files/lib/datepicker/css/smoothness/images/454545_7x7_arrow_left.gif2
/mod/common/files/lib/datepicker/css/smoothness/images/454545_7x7_arrow_right.gif2
/mod/common/files/lib/datepicker/css/smoothness/images/888888_7x7_arrow_left.gif1
/mod/common/files/lib/datepicker/css/smoothness/images/888888_7x7_arrow_right.gif1
/mod/common/files/lib/datepicker/css/smoothness/images/dadada_40x100_textures_02_glass_75.png2
/mod/common/files/lib/datepicker/css/smoothness/images/e6e6e6_40x100_textures_02_glass_75.png2
/mod/common/files/lib/datepicker/css/smoothness/images/ffffff_40x100_textures_01_flat_75.png1
/mod/common/files/lib/datepicker/css/smoothness/images/ffffff_40x100_textures_02_glass_65.png1
/mod/counter/files/skins/00new_counter01a.png1
/mod/counter/files/skins/00new_counter01b.png1
/mod/counter/files/skins/00new_counter01c.png1
/mod/counter/files/skins/00new_counter01d.png1
/mod/counter/files/skins/00new_counter01e.png1
/mod/counter/files/skins/00new_counter02a.png1
/mod/counter/files/skins/00new_counter02b.png1
/mod/counter/files/skins/00new_counter02c.png1
/mod/counter/files/skins/00new_counter02d.png1
/mod/counter/files/skins/00new_counter02e.png1
/mod/counter/files/skins/00new_counter03a.png1
/mod/counter/files/skins/00new_counter03b.png1
/mod/counter/files/skins/00new_counter03c.png1
/mod/counter/files/skins/00new_counter03d.png1
/mod/counter/files/skins/00new_counter03e.png1
/mod/counter/files/skins/00new_counter04a.png1
/mod/counter/files/skins/00new_counter04b.png1
/mod/counter/files/skins/00new_counter04c.png1
/mod/counter/files/skins/00new_counter04d.png1
/mod/counter/files/skins/00new_counter04e.png1
/mod/counter/files/skins/00new_counter05a.png1
/mod/counter/files/skins/00new_counter05b.png1
/mod/counter/files/skins/00new_counter05c.png1
/mod/counter/files/skins/00new_counter05d.png1
/mod/counter/files/skins/00new_counter05e.png1
/mod/counter/files/skins/00new_counter06a.png1
/mod/counter/files/skins/00new_counter06b.png1
/mod/counter/files/skins/00new_counter06c.png1
/mod/counter/files/skins/00new_counter06d.png1
/mod/counter/files/skins/00new_counter06e.png1
/mod/counter/files/skins/03a.png1
/mod/counter/files/skins/03b.png1
/mod/counter/files/skins/03c.png1
/mod/counter/files/skins/04a.png1
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/mod/counter/files/skins/04c.png1
/mod/counter/files/skins/05a.png1
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/mod/counter/files/skins/13d.png1
/mod/counter/files/skins/neutral_01a.png1
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/mod/counter/files/skins/neutral_01c.png1
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/mod/counter/files/skins/neutral_13f.png1
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/mod/counter/files/skins/neutral_13h.png1
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/mod/counter/files/skins/neutral_14c.png1
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/mod/counter/files/skins/neutral_14g.png1
/mod/counter/files/skins/neutral_14h.png1
/mod/counter/files/skins/playful_01a.png1
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/mod/counter/files/skins/playful_01d.png1
/mod/counter/files/skins/playful_01e.png1
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/mod/counter/files/skins/playful_05d.png1
/mod/counter/files/skins/playful_05e.png1
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/mod/shoppingbasket/files/img/error16.png2
/mod/shoppingbasket/files/img/sb_button.png2

link
stylesheet
//cdn.website-start.de/templates/2046/print.css?1596716279695
200

1
ok
text/css, missing X-Content-Type-Options nosniff

Cache-Control: max-age=604800 - with long duration found.
GZip: 159/242 Bytes




Server-Header Access-Control-Allow-Origin: not found
Cross-Origin Resource Sharing (CORS) not supported



link
stylesheet
//cdn.website-start.de/templates/2046/style.css?1596716279695
200

1
ok
text/css; charset=utf-8, missing X-Content-Type-Options nosniff

Cache-Control: max-age=604800 - with long duration found.
GZip: 2354/9894 Bytes




Server-Header Access-Control-Allow-Origin: not found
Cross-Origin Resource Sharing (CORS) not supported



link
stylesheet
https://102.sb.mywebsite-editor.com/app/logstate2-css.php?site=545452922&t=1614017257
200

1
ok
text/css;charset=UTF-8, missing X-Content-Type-Options nosniff

Cache-Control: no-store, no-cache, must-revalidate, post-check=0, pre-check=0 - max-age missing.
GZip: 66/65 Bytes




Server-Header Access-Control-Allow-Origin: not found
Cross-Origin Resource Sharing (CORS) not supported



link
stylesheet
https://www.rk-computer.org/s/style/theming.css?1435245182
200

1
ok
text/css, missing X-Content-Type-Options nosniff

Cache-Control: max-age=3600 - max-age too short.
GZip: 5816/51824 Bytes




local SRI possible, possible hash-values:

sha256-x8Pa5b0GIxMDZughMrEDIHILHmcJIoB4/u8rB22cUFU=
sha384-gVui6ZedbekkopGVOObwSmwJqCrgpLtKE0FeiLORkc95dN7rN4eCriD/iWdJeO9E
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<link rel="stylesheet" href="https://www.rk-computer.org/s/style/theming.css?1435245182" crossorigin="anonymous" integrity="sha256-x8Pa5b0GIxMDZughMrEDIHILHmcJIoB4/u8rB22cUFU=" />



Content loaded via url("...")

https://www.rk-computer.org/s/img/background.jpg?16092494561

meta
business:contact_data:country_name
Deutschland


1
ok








meta
business:contact_data:email
info@rk-computer.org


1
ok








meta
business:contact_data:fax_number
+49 3496 557905


1
ok








meta
business:contact_data:locality
Köthen (Anhalt)


1
ok








meta
business:contact_data:phone_number
+49 3496 557904


1
ok








meta
business:contact_data:postal_code
06366


1
ok








meta
business:contact_data:region
300


1
ok








meta
business:contact_data:street_address
Brunnenstraße 20a


1
ok








meta
business:hours:day
FRIDAY


1
ok








meta
business:hours:day
MONDAY


1
ok








meta
business:hours:day
THURSDAY


1
ok








meta
business:hours:day
TUESDAY


1
ok








meta
business:hours:day
WEDNESDAY


1
ok








meta
business:hours:end
18:00


5
ok








meta
business:hours:start
09:00


5
ok








meta
og:description
RK Computer e.K., Köthen (Anhalt)


1
ok








meta
og:image
https://www.rk-computer.org/s/img/emotionheader.gif
200

1
ok
image/gif, missing X-Content-Type-Options nosniff

Cache-Control: max-age=3600 - max-age too short.
No GZip - 632 Bytes






meta
og:title
RK Computer e.K. - Home


1
ok








meta
og:type
business.business


1
ok








meta
og:url
https://www.rk-computer.org/
200

1
ok
text/html; charset=UTF-8, X-Content-Type-Options nosniff found

6933 Bytes






meta
Content-Type
text/html; charset=utf-8


1
ok








meta
description
RK Computer e.K., Köthen (Anhalt)


1
ok








meta
format-detection
telephone=no


1
ok








meta
generator
1&1 IONOS MyWebsite


1
ok








meta
keywords
Angebot, Kompetenz, Beratung


1
ok








meta
robots
index,follow


1
ok








meta
viewport
width=device-width, initial-scale=1, maximum-scale=1, minimal-ui


1
ok








script
src
//cdn.website-start.de/app/cdn/min/group/mobilenavigation.js?1596716279695
200

1
ok
Missing defer / async attribute. application/x-javascript; charset=utf-8, missing X-Content-Type-Options nosniff

Cache-Control: max-age=604800 - with long duration found.
GZip: 315/766 Bytes




Server-Header Access-Control-Allow-Origin: *
Cross-Origin Resource Sharing (CORS) supported

missing crossorigin=anonymous|use-credentials and integrity - attribute, possible hash-values:

sha256-rVg05J+9OYfuoKqiFIJ+yzYo1XOyjML7VD1zbYcRWiY=
sha384-ewn/Y4ifgOLzRxM65DbY36hP6ki9XsVlnP5k3WK65cubbxHjJP+JXTuls3n3gK+B
sha512-dEZ67/tWz6bVP1Ay8GlZyfHCEWRvQgCX/AT9+oxrxfobzxDqlhUwYXzWYhLM+rrXIxruU+MMC4nv4PwM3cOmPw==

<script src="//cdn.website-start.de/app/cdn/min/group/mobilenavigation.js?1596716279695" crossorigin="anonymous" integrity="sha256-rVg05J+9OYfuoKqiFIJ+yzYo1XOyjML7VD1zbYcRWiY=" />




script
src
//cdn.website-start.de/app/cdn/min/group/pfcsupport.js?1596716279695
200

1
ok
Missing defer / async attribute. application/x-javascript; charset=utf-8, missing X-Content-Type-Options nosniff

Cache-Control: max-age=604800 - with long duration found.
GZip: 871/2304 Bytes




Server-Header Access-Control-Allow-Origin: *
Cross-Origin Resource Sharing (CORS) supported

missing crossorigin=anonymous|use-credentials and integrity - attribute, possible hash-values:

sha256-3A/Yl8G1TGTvqFtSPjNgTM37OSmkKU5GixbtlwQY7hc=
sha384-ki7aaJrcvyfjIaUrb2BozaXO6h3tTl09qFtrXl4IhrR2IyRevYrfoMIEj8+DXA5r
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<script src="//cdn.website-start.de/app/cdn/min/group/pfcsupport.js?1596716279695" crossorigin="anonymous" integrity="sha256-3A/Yl8G1TGTvqFtSPjNgTM37OSmkKU5GixbtlwQY7hc=" />




script
src
//cdn.website-start.de/app/cdn/min/group/web.js?1596716279695
200

1
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Missing defer / async attribute. application/x-javascript; charset=utf-8, missing X-Content-Type-Options nosniff

Cache-Control: max-age=604800 - with long duration found.
GZip: 98632/368843 Bytes




Server-Header Access-Control-Allow-Origin: *
Cross-Origin Resource Sharing (CORS) supported

missing crossorigin=anonymous|use-credentials and integrity - attribute, possible hash-values:

sha256-YNG38FtV7UDic4fr6QFhQKIR5AiW4TK8EDsJxScsZqM=
sha384-0/cfq8DfkW1I9zKapQ9opkQbqFtQob6BfxCTJH/anWHGWEy0ns+RGwuGJStHblNB
sha512-pvEzNMXKNei9gBHEckM8tAIOThLbtIKXu7kXttuUj+pr0bwrk1DOnrrhgIfih8kAJVavv8gZVPxmUhQSKMLu/Q==

<script src="//cdn.website-start.de/app/cdn/min/group/web.js?1596716279695" crossorigin="anonymous" integrity="sha256-YNG38FtV7UDic4fr6QFhQKIR5AiW4TK8EDsJxScsZqM=" />




script
src
//cdn.website-start.de/app/cdn/min/moduleserver/js/de_DE/common,counter,shoppingbasket?1596716279695
200

1
ok
Missing defer / async attribute. application/x-javascript; charset=utf-8, missing X-Content-Type-Options nosniff

Cache-Control: max-age=604800 - with long duration found.
GZip: 38276/145528 Bytes




Server-Header Access-Control-Allow-Origin: *
Cross-Origin Resource Sharing (CORS) supported

missing crossorigin=anonymous|use-credentials and integrity - attribute, possible hash-values:

sha256-5teI+XY0CxGG6CFM7QCnXSqLVHzfaZQiX1jG15Nyhg0=
sha384-6nFF0PRXDKhxKhDoYII7GjR0kah34O6i2Xw793rS93YgLuiSuN2IoOePfZ633IeW
sha512-73TYCAqA5SlTmVh6m5sQYBnio12XyuRjxjV6BAGSSTArIyTy5L1VxHj+HlnyLyAzo3hsrwU5A9WYsd2/SqOxXw==

<script src="//cdn.website-start.de/app/cdn/min/moduleserver/js/de_DE/common,counter,shoppingbasket?1596716279695" crossorigin="anonymous" integrity="sha256-5teI+XY0CxGG6CFM7QCnXSqLVHzfaZQiX1jG15Nyhg0=" />




script
src
//cdn.website-start.de/s/build/web.bundle.js?1596716279695
200

1
ok
Missing defer / async attribute. application/javascript, missing X-Content-Type-Options nosniff

GZip: 1285/3201 Bytes




Server-Header Access-Control-Allow-Origin: *
Cross-Origin Resource Sharing (CORS) supported

missing crossorigin=anonymous|use-credentials and integrity - attribute, possible hash-values:

sha256-GQ0h4E5dyvy4EsZ813aT+9yqorZSLsF65Oyd15e4vjc=
sha384-idF78n/HByXAYIaDDtVHm8JU0XMoF5Pal00U+PayELuon3hUhk7nNs2YLbRGRdgk
sha512-uPYKM/E+4ImpPJUxxoJ58A05LNDov2p3VIfKbI+5H8T3I5MrYXTwDdpcfL7BjhW2d/mpSuJ4WEVgZpbsgFkbHA==

<script src="//cdn.website-start.de/s/build/web.bundle.js?1596716279695" crossorigin="anonymous" integrity="sha256-GQ0h4E5dyvy4EsZ813aT+9yqorZSLsF65Oyd15e4vjc=" />




script
src
https://102.sb.mywebsite-editor.com/app/logstate-js.php?site=545452922&t=1614017257
200

1
ok
Missing defer / async attribute. application/javascript, missing X-Content-Type-Options nosniff

Cache-Control: no-store, no-cache, must-revalidate, post-check=0, pre-check=0 - max-age missing.
GZip: 425/923 Bytes




Server-Header Access-Control-Allow-Origin: not found
Cross-Origin Resource Sharing (CORS) not supported



script
src
https://cdn.website-start.de/proxy/apps/static/resource/dependencies/
200

1
ok
Missing defer / async attribute. application/javascript, missing X-Content-Type-Options nosniff

GZip: 36951/139613 Bytes




Server-Header Access-Control-Allow-Origin: not found
Cross-Origin Resource Sharing (CORS) not supported



12. Nameserver - IP-Adresses

Required Root-climbing DNS-Queries to find ip addresses of all Name Servers: ns1031.ui-dns.biz, ns1059.ui-dns.de, ns1062.ui-dns.com, ns1075.ui-dns.org

QNr.DomainTypeNS used
1
biz
NS
b.root-servers.net (2001:500:200::b)

Answer: a.gtld.biz, b.gtld.biz, c.gtld.biz, e.gtld.biz, f.gtld.biz, k.gtld.biz
2
ns1031.ui-dns.biz
NS
a.gtld.biz (2001:502:ad09::30)

Answer: ns-biz.ui-dns.biz, ns-biz.ui-dns.com, ns-biz.ui-dns.de, ns-biz.ui-dns.org

Answer: ns-biz.ui-dns.biz
2001:8d8:fe:53:0:d9a0:51c3:100, 217.160.81.195
3
de
NS
e.root-servers.net (2001:500:a8::e)

Answer: a.nic.de, f.nic.de, l.de.net, n.de.net, s.de.net, z.nic.de
4
ns1059.ui-dns.de
NS
a.nic.de (2001:678:2::53)

Answer: ns-de.ui-dns.biz, ns-de.ui-dns.com, ns-de.ui-dns.de, ns-de.ui-dns.org

Answer: ns-de.ui-dns.de
2001:8d8:fe:53:0:d9a0:50c1:100, 217.160.80.193
5
com
NS
b.root-servers.net (2001:500:200::b)

Answer: 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
6
ns1062.ui-dns.com
NS
a.gtld-servers.net (2001:503:a83e::2:30)

Answer: ns-com.ui-dns.biz, ns-com.ui-dns.com, ns-com.ui-dns.de, ns-com.ui-dns.org

Answer: ns-com.ui-dns.com
2001:8d8:fe:53:0:d9a0:52c2:100, 217.160.82.194
7
org
NS
j.root-servers.net (192.58.128.30)

Answer: a0.org.afilias-nst.info, a2.org.afilias-nst.info, b0.org.afilias-nst.org, b2.org.afilias-nst.org, c0.org.afilias-nst.info, d0.org.afilias-nst.org
8
ns1075.ui-dns.org
NS
a0.org.afilias-nst.info (2001:500:e::1)

Answer: ns-org.ui-dns.biz, ns-org.ui-dns.com, ns-org.ui-dns.de, ns-org.ui-dns.org

Answer: ns-org.ui-dns.org
2001:8d8:fe:53:0:d9a0:53c4:100, 217.160.83.196
9
ns-biz.ui-dns.com
NS
a.gtld-servers.net (2001:503:a83e::2:30)

Answer: ns-com.ui-dns.biz, ns-com.ui-dns.com, ns-com.ui-dns.de, ns-com.ui-dns.org

Answer: ns-com.ui-dns.com
2001:8d8:fe:53:0:d9a0:52c2:100, 217.160.82.194
10
ns-biz.ui-dns.de
NS
a.nic.de (2001:678:2::53)

Answer: ns-de.ui-dns.biz, ns-de.ui-dns.com, ns-de.ui-dns.de, ns-de.ui-dns.org

Answer: ns-de.ui-dns.de
2001:8d8:fe:53:0:d9a0:50c1:100, 217.160.80.193
11
ns-biz.ui-dns.org
NS
a0.org.afilias-nst.info (2001:500:e::1)

Answer: ns-org.ui-dns.biz, ns-org.ui-dns.com, ns-org.ui-dns.de, ns-org.ui-dns.org

Answer: ns-org.ui-dns.org
2001:8d8:fe:53:0:d9a0:53c4:100, 217.160.83.196
12
ns-de.ui-dns.biz
NS
a.gtld.biz (2001:502:ad09::30)

Answer: ns-biz.ui-dns.biz, ns-biz.ui-dns.com, ns-biz.ui-dns.de, ns-biz.ui-dns.org

Answer: ns-biz.ui-dns.biz
2001:8d8:fe:53:0:d9a0:51c3:100, 217.160.81.195
13
ns-de.ui-dns.com
NS
a.gtld-servers.net (2001:503:a83e::2:30)

Answer: ns-com.ui-dns.biz, ns-com.ui-dns.com, ns-com.ui-dns.de, ns-com.ui-dns.org

Answer: ns-com.ui-dns.com
2001:8d8:fe:53:0:d9a0:52c2:100, 217.160.82.194
14
ns-de.ui-dns.org
NS
a0.org.afilias-nst.info (2001:500:e::1)

Answer: ns-org.ui-dns.biz, ns-org.ui-dns.com, ns-org.ui-dns.de, ns-org.ui-dns.org

Answer: ns-org.ui-dns.org
2001:8d8:fe:53:0:d9a0:53c4:100, 217.160.83.196
15
ns-com.ui-dns.biz
NS
a.gtld.biz (2001:502:ad09::30)

Answer: ns-biz.ui-dns.biz, ns-biz.ui-dns.com, ns-biz.ui-dns.de, ns-biz.ui-dns.org

Answer: ns-biz.ui-dns.biz
2001:8d8:fe:53:0:d9a0:51c3:100, 217.160.81.195
16
ns-com.ui-dns.de
NS
a.nic.de (2001:678:2::53)

Answer: ns-de.ui-dns.biz, ns-de.ui-dns.com, ns-de.ui-dns.de, ns-de.ui-dns.org

Answer: ns-de.ui-dns.de
2001:8d8:fe:53:0:d9a0:50c1:100, 217.160.80.193
17
ns-com.ui-dns.org
NS
a0.org.afilias-nst.info (2001:500:e::1)

Answer: ns-org.ui-dns.biz, ns-org.ui-dns.com, ns-org.ui-dns.de, ns-org.ui-dns.org

Answer: ns-org.ui-dns.org
2001:8d8:fe:53:0:d9a0:53c4:100, 217.160.83.196
18
ns-org.ui-dns.biz
NS
a.gtld.biz (2001:502:ad09::30)

Answer: ns-biz.ui-dns.biz, ns-biz.ui-dns.com, ns-biz.ui-dns.de, ns-biz.ui-dns.org

Answer: ns-biz.ui-dns.biz
2001:8d8:fe:53:0:d9a0:51c3:100, 217.160.81.195
19
ns-org.ui-dns.com
NS
a.gtld-servers.net (2001:503:a83e::2:30)

Answer: ns-com.ui-dns.biz, ns-com.ui-dns.com, ns-com.ui-dns.de, ns-com.ui-dns.org

Answer: ns-com.ui-dns.com
2001:8d8:fe:53:0:d9a0:52c2:100, 217.160.82.194
20
ns-org.ui-dns.de
NS
a.nic.de (2001:678:2::53)

Answer: ns-de.ui-dns.biz, ns-de.ui-dns.com, ns-de.ui-dns.de, ns-de.ui-dns.org

Answer: ns-de.ui-dns.de
2001:8d8:fe:53:0:d9a0:50c1:100, 217.160.80.193
21
ns-biz.ui-dns.com: 217.160.82.195
A
ns-com.ui-dns.com (2001:8d8:fe:53:0:d9a0:52c2:100)
22
ns-biz.ui-dns.com: 2001:8d8:fe:53:0:d9a0:52c3:100
AAAA
ns-com.ui-dns.com (2001:8d8:fe:53:0:d9a0:52c2:100)
23
ns-biz.ui-dns.de: 217.160.80.195
A
ns-de.ui-dns.de (2001:8d8:fe:53:0:d9a0:50c1:100)
24
ns-biz.ui-dns.de: 2001:8d8:fe:53:0:d9a0:50c3:100
AAAA
ns-de.ui-dns.de (2001:8d8:fe:53:0:d9a0:50c1:100)
25
ns-biz.ui-dns.org: 217.160.83.195
A
ns-org.ui-dns.org (2001:8d8:fe:53:0:d9a0:53c4:100)
26
ns-biz.ui-dns.org: 2001:8d8:fe:53:0:d9a0:53c3:100
AAAA
ns-org.ui-dns.org (2001:8d8:fe:53:0:d9a0:53c4:100)
27
ns-de.ui-dns.biz: 217.160.81.193
A
ns-biz.ui-dns.biz (2001:8d8:fe:53:0:d9a0:51c3:100)
28
ns-de.ui-dns.biz: 2001:8d8:fe:53:0:d9a0:51c1:100
AAAA
ns-biz.ui-dns.biz (2001:8d8:fe:53:0:d9a0:51c3:100)
29
ns-de.ui-dns.com: 217.160.82.193
A
ns-com.ui-dns.com (2001:8d8:fe:53:0:d9a0:52c2:100)
30
ns-de.ui-dns.com: 2001:8d8:fe:53:0:d9a0:52c1:100
AAAA
ns-com.ui-dns.com (2001:8d8:fe:53:0:d9a0:52c2:100)
31
ns-de.ui-dns.org: 217.160.83.193
A
ns-org.ui-dns.org (2001:8d8:fe:53:0:d9a0:53c4:100)
32
ns-de.ui-dns.org: 2001:8d8:fe:53:0:d9a0:53c1:100
AAAA
ns-org.ui-dns.org (2001:8d8:fe:53:0:d9a0:53c4:100)
33
ns-com.ui-dns.biz: 217.160.81.194
A
ns-biz.ui-dns.biz (2001:8d8:fe:53:0:d9a0:51c3:100)
34
ns-com.ui-dns.biz: 2001:8d8:fe:53:0:d9a0:51c2:100
AAAA
ns-biz.ui-dns.biz (2001:8d8:fe:53:0:d9a0:51c3:100)
35
ns-com.ui-dns.de: 217.160.80.194
A
ns-de.ui-dns.biz (2001:8d8:fe:53:0:d9a0:51c1:100)
36
ns-com.ui-dns.de: 2001:8d8:fe:53:0:d9a0:50c2:100
AAAA
ns-de.ui-dns.biz (2001:8d8:fe:53:0:d9a0:51c1:100)
37
ns-com.ui-dns.org: 217.160.83.194
A
ns-org.ui-dns.org (2001:8d8:fe:53:0:d9a0:53c4:100)
38
ns-com.ui-dns.org: 2001:8d8:fe:53:0:d9a0:53c2:100
AAAA
ns-org.ui-dns.org (2001:8d8:fe:53:0:d9a0:53c4:100)
39
ns-org.ui-dns.biz: 217.160.81.196
A
ns-biz.ui-dns.biz (2001:8d8:fe:53:0:d9a0:51c3:100)
40
ns-org.ui-dns.biz: 2001:8d8:fe:53:0:d9a0:51c4:100
AAAA
ns-biz.ui-dns.biz (2001:8d8:fe:53:0:d9a0:51c3:100)
41
ns-org.ui-dns.com: 217.160.82.196
A
ns-com.ui-dns.biz (2001:8d8:fe:53:0:d9a0:51c2:100)
42
ns-org.ui-dns.com: 2001:8d8:fe:53:0:d9a0:52c4:100
AAAA
ns-com.ui-dns.biz (2001:8d8:fe:53:0:d9a0:51c2:100)
43
ns-org.ui-dns.de: 217.160.80.196
A
ns-de.ui-dns.biz (2001:8d8:fe:53:0:d9a0:51c1:100)
44
ns-org.ui-dns.de: 2001:8d8:fe:53:0:d9a0:50c4:100
AAAA
ns-de.ui-dns.biz (2001:8d8:fe:53:0:d9a0:51c1:100)
45
ns1031.ui-dns.biz: 217.160.81.31
A
ns-biz.ui-dns.biz (2001:8d8:fe:53:0:d9a0:51c3:100)
46
ns1031.ui-dns.biz: 2001:8d8:fe:53:0:d9a0:511f:100
AAAA
ns-biz.ui-dns.biz (2001:8d8:fe:53:0:d9a0:51c3:100)
47
ns1059.ui-dns.de: 217.160.80.59
A
ns-de.ui-dns.biz (2001:8d8:fe:53:0:d9a0:51c1:100)
48
ns1059.ui-dns.de: 2001:8d8:fe:53:0:d9a0:503b:100
AAAA
ns-de.ui-dns.biz (2001:8d8:fe:53:0:d9a0:51c1:100)
49
ns1062.ui-dns.com: 217.160.82.62
A
ns-com.ui-dns.biz (2001:8d8:fe:53:0:d9a0:51c2:100)
50
ns1062.ui-dns.com: 2001:8d8:fe:53:0:d9a0:523e:100
AAAA
ns-com.ui-dns.biz (2001:8d8:fe:53:0:d9a0:51c2:100)
51
ns1075.ui-dns.org: 217.160.83.75
A
ns-org.ui-dns.biz (2001:8d8:fe:53:0:d9a0:51c4:100)
52
ns1075.ui-dns.org: 2001:8d8:fe:53:0:d9a0:534b:100
AAAA
ns-org.ui-dns.biz (2001:8d8:fe:53:0:d9a0:51c4:100)


13. CAA - Entries

DomainnameflagNameValue∑ Queries∑ Timeout
www.rk-computer.org
0

no CAA entry found
1
0
rk-computer.org
0

no CAA entry found
1
0
org
0

no CAA entry found
1
0


14. TXT - Entries

DomainnameTXT EntryStatus∑ Queries∑ Timeout
rk-computer.org

ok
1
0
www.rk-computer.org

ok
1
0
_acme-challenge.rk-computer.org

Name Error - The domain name does not exist
1
0
_acme-challenge.www.rk-computer.org

Name Error - The domain name does not exist
1
0
_acme-challenge.rk-computer.org.rk-computer.org

Name Error - The domain name does not exist
1
0
_acme-challenge.www.rk-computer.org.rk-computer.org

Name Error - The domain name does not exist
1
0
_acme-challenge.www.rk-computer.org.www.rk-computer.org

Name Error - The domain name does not exist
1
0


15. Portchecks

No Port checks



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Last Result: https://check-your-website.server-daten.de/?q=rk-computer.org - 2021-02-22 19:07:01


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