| 1. General Results, most used to calculate the result |
| A | name "cloud2.haeutle-it.de" is subdomain, public suffix is ".de", top-level-domain is ".de", top-level-domain-type is "country-code", Country is Germany, tld-manager is "DENIC eG", num .de-domains preloaded: 6872 (complete: 151507)
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| A | Good: All ip addresses are public addresses
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| A | Good: Minimal 2 ip addresses per domain name found: cloud2.haeutle-it.de has 2 different ip addresses (authoritative).
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| A | Good: Ipv4 and Ipv6 addresses per domain name found: cloud2.haeutle-it.de has 1 ipv4, 1 ipv6 addresses
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| A | Good: No asked Authoritative Name Server had a timeout
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| A | DNS: "Name Error" means: No www-dns-entry defined. This isn't a problem
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| A | https://cloud2.haeutle-it.de/ 138.201.179.162
| https://cloud2.haeutle-it.de/login
| Correct redirect https to https
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| A | https://cloud2.haeutle-it.de/ 2a01:4f8:251:52d8:4000::110
| https://cloud2.haeutle-it.de/login
| Correct redirect https to https
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| A | Good: destination is https
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| A | Good - only one version with Http-Status 200
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| A | Good: one preferred version: non-www is preferred
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| A | Good: No cookie sent via http.
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| A | Good: every cookie sent via https is marked as secure
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| A | Good: Every cookie has a SameSite Attribute with a correct value Strict/Lax/None
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| Warning: HSTS preload sent, but not in Preload-List. Never send a preload directive if you don't know what preload means. Check https://hstspreload.org/ to learn the basics about the Google-Preload list. If you send a preload directive, you should **immediately** add your domain to the HSTS preload list via https://hstspreload.org/ . If Google accepts the domain, so the status is "pending": Note that new entries are hardcoded into the Chrome source code and can take several months before they reach the stable version. So you will see this message some months. If you don't want that or if you don't understand "preload", but if you send a preload directive and if you have correct A-redirects, everybody can add your domain to that list. Then you may have problems, it's not easy to undo that. So if you don't want your domain preloaded, remove the preload directive.
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| HSTS-Preload-Status: unknown. Domain never included in the Preload-list. Check https://hstspreload.org/ to learn some basics about the Google-Preload-List.
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| A | Good: Some urls with http status 200/404 have a complete Content-Type header (MediaType / MediaSubType + correct charset):1 complete Content-Type - header (2 urls)
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| https://cloud2.haeutle-it.de/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de
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| Url with incomplete Content-Type - header - missing charset
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| A | http://cloud2.haeutle-it.de/ 138.201.179.162
| https://cloud2.haeutle-it.de/
| Correct redirect http - https with the same domain name
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| A | http://cloud2.haeutle-it.de/ 2a01:4f8:251:52d8:4000::110
| https://cloud2.haeutle-it.de/
| Correct redirect http - https with the same domain name
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| B | https://cloud2.haeutle-it.de/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de
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| Missing HSTS-Header
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| M | https://138.201.179.162/ 138.201.179.162
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| Misconfiguration - main pages should never send http status 400 - 499
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| M | https://[2a01:04f8:0251:52d8:4000:0000:0000:0110]/ 2a01:4f8:251:52d8:4000::110
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| Misconfiguration - main pages should never send http status 400 - 499
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| N | https://138.201.179.162/ 138.201.179.162
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| Error - Certificate isn't trusted, RemoteCertificateNameMismatch
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| N | https://[2a01:04f8:0251:52d8:4000:0000:0000:0110]/ 2a01:4f8:251:52d8:4000::110
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| Error - Certificate isn't trusted, RemoteCertificateNameMismatch
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| A | Good: More then one ip address per domain name found, checking all ip addresses the same http status and the same certificate found: Domain cloud2.haeutle-it.de, 2 ip addresses.
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| Info: Checking all ip addresses of that domain without sending the hostname only one certificate found. Checking all ip addresses and sending the hostname only one certificate found. Both certificates are the same. So that domain doesn't require Server Name Indication (SNI), it's the primary certificate of that set of ip addresses.: Domain cloud2.haeutle-it.de, 2 ip addresses, 1 different http results.
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| 2. Header-Checks |
| 3. DNS- and NameServer - Checks |
| A | Info:: 11 Root-climbing DNS Queries required to find all IPv4- and IPv6-Addresses of 3 Name Servers.
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| A | Info:: 11 Queries complete, 10 with IPv6, 1 with IPv4.
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| Warning: Only some DNS Queries done via ipv6. IPv6 is the future, so the name servers of your name servers should have ipv6 addresses.
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| Ok (4 - 8):: An average of 3.7 queries per domain name server required to find all ip addresses of all name servers.
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| A | Info:: 3 different Name Servers found: ns1.first-ns.de, robotns2.second-ns.de, robotns3.second-ns.com, 3 Name Servers included in Delegation: ns1.first-ns.de, robotns2.second-ns.de, robotns3.second-ns.com, 3 Name Servers included in 1 Zone definitions: ns1.first-ns.de, robotns2.second-ns.de, robotns3.second-ns.com, 1 Name Servers listed in SOA.Primary: ns1.first-ns.de.
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| A | Good: Only one SOA.Primary Name Server found.: ns1.first-ns.de.
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| A | Good: SOA.Primary Name Server included in the delegation set.: ns1.first-ns.de.
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| A | Good: Consistency between delegation and zone. The set of NS records served by the authoritative name servers must match those proposed for the delegation in the parent zone. Ordered list of name servers: ns1.first-ns.de, robotns2.second-ns.de, robotns3.second-ns.com
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| A | Good: All Name Server Domain Names have a Public Suffix.
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| A | Good: All Name Server Domain Names ending with a Public Suffix have minimal one IPv4- or IPv6 address.
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| A | Good: All Name Server ip addresses are public.
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| A | Good: Minimal 2 different name servers (public suffix and public ip address) found: 3 different Name Servers found
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| A | Good: All name servers have ipv4- and ipv6-addresses.: 3 different Name Servers found
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| A | Good: Name servers with different Top Level Domains / Public Suffix List entries found: 3 Name Servers, 2 Top Level Domains: de, com
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| A | Good: Name Servers with different domain names found.: 3 different Domains found
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| Warning: All Name Servers from the same Country / IP location.: 3 Name Servers, 1 Countries: DE
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| A | Info: Ipv4-Subnet-list: 3 Name Servers, 2 different subnets (first Byte): 193., 213., 3 different subnets (first two Bytes): 193.47., 213.133., 213.239., 3 different subnets (first three Bytes): 193.47.99., 213.133.105., 213.239.242.
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| A | Good: Name Server IPv4-addresses from different subnet found:
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| A | Info: IPv6-Subnet-list: 3 Name Servers with IPv6, 2 different subnets (first block): 2001:, 2a01:, 2 different subnets (first two blocks): 2001:067c:, 2a01:04f8:, 3 different subnets (first three blocks): 2001:067c:192c:, 2a01:04f8:0000:, 2a01:04f8:0d0a:, 3 different subnets (first four blocks): 2001:067c:192c:0000:, 2a01:04f8:0000:a101:, 2a01:04f8:0d0a:2004:
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| A | Good: Name Server IPv6 addresses from different subnets found.
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| A | Good: Nameserver supports TCP connections: 2 good Nameserver
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| A | Good: Nameserver supports Echo Capitalization: 2 good Nameserver
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| A | Good: Nameserver supports EDNS with max. 512 Byte Udp payload, message is smaller: 2 good Nameserver
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| A | Good: Nameserver has passed 10 EDNS-Checks (OP100, FLAGS, V1, V1OP100, V1FLAGS, DNSSEC, V1DNSSEC, NSID, COOKIE, CLIENTSUBNET): 2 good Nameserver
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| Nameserver doesn't pass all EDNS-Checks: ns1.first-ns.de: 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.
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| A | Good: All SOA have the same Serial Number
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| A | Good: CAA entries found, creating certificate is limited: letsencrypt.org is allowed to create certificates
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| 4. Content- and Performance-critical Checks |
| https://cloud2.haeutle-it.de/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de
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| Fatal: Check of /.well-known/acme-challenge/random-filename has a http status 401 / 403 Not Allowed / Forbidden. A http status 404 - Not Found - is expected. Creating a Letsencrypt certificate via http-01 challenge may not work. Trouble creating a certificate? Use https://community.letsencrypt.org/ to ask.
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| A | Good: Every https result with status 200 and greater 1024 Bytes is compressed (gzip, deflate, br checked).
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| A | Good: No https + http status 200 with inline CSS / JavaScript found
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| A | Good: Every https result with status 200 has a minified Html-Content with a quota lower then 110 %.
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| A | Good: Every https connection via port 443 supports the http/2 protocol via ALPN.
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| A | Good: All script Elements (type text/javascript) and src-Attribute have a defer / async - Attribute. So loading and executing these JavaScripts doesn't block parsing and rendering the Html-Output.
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| Warning: CSS / JavaScript found without Compression. Compress these ressources, gzip, deflate, br are checked. 2 external CSS / JavaScript files without GZip found - 15 with GZip, 17 complete
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| 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, 1 with Cache-Control, but no max-age, 1 with Cache-Control max-age too short (minimum 7 days), 15 with Cache-Control long enough, 17 complete.
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| A | Good: All checked attribute values are enclosed in quotation marks (" or ').
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| A | Info: No img element found, no alt attribute checked
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| A | Good: 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
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| A | Duration: 103213 milliseconds, 103.213 seconds
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