| 1. General Results, most used to calculate the result |
| A | name "templatus-inertia.ledermann.dev" is subdomain, public suffix is ".dev", top-level-domain is ".dev", top-level-domain-type is "generic", tld-manager is "Charleston Road Registry Inc.", num .dev-domains preloaded: 15 (complete: 263653)
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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: templatus-inertia.ledermann.dev has 2 different ip addresses (authoritative).
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| A | Good: Ipv4 and Ipv6 addresses per domain name found: templatus-inertia.ledermann.dev 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 | 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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| A | Good: HSTS has preload directive
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| A | Excellent: Main Domain is in the Google-Preload-List
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| A | Excellent: Main Domain is in the Mozilla/Firefox-Preload-List
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| A | HSTS-Preload-Status: Preloaded. Check https://hstspreload.org/ to learn some basics about the Google-Preload-List.
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| A | http://templatus-inertia.ledermann.dev/ 116.203.125.190
| https://templatus-inertia.ledermann.dev/
| Correct redirect http - https with the same domain name
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| A | http://templatus-inertia.ledermann.dev/ 2a01:4f8:c2c:2088::1
| https://templatus-inertia.ledermann.dev/
| Correct redirect http - https with the same domain name
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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 templatus-inertia.ledermann.dev, 2 ip addresses.
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| 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 templatus-inertia.ledermann.dev, 2 ip addresses.
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| B | No _mta-sts TXT record found (mta-sts: Mail Transfer Agent Strict Transport Security - see RFC 8461). Read the result of server-daten.de (Url-Checks, Comments, Connections and DomainServiceRecords) to see a complete definition. Domainname: _mta-sts.templatus-inertia.ledermann.dev
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| 2. Header-Checks (Cross-Origin-* headers are alpha - started 2024-06-05) |
| A | templatus-inertia.ledermann.dev 116.203.125.190
| Content-Security-Policy
| Ok: Header without syntax errors found: default-src 'none'; font-src 'self' data:; img-src 'self' data:; object-src 'none'; script-src 'self'; style-src 'self' 'sha256-kCeyw5rRT2DINADvWYmAhXLhQs4dKZrnn2sofIDmprs=' 'sha256-9OlNO0DNEeaVzHL4RZwCLsBHA8WBQ8toBp/4F5XV2nc='; frame-src 'self'; connect-src 'self' wss://templatus-inertia.ledermann.dev https://api.honeybadger.io https://p.ledermann.dev; manifest-src 'self'; frame-ancestors 'none'; base-uri 'self'; form-action 'self'
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| A |
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| Good: default-src directive only with 'none' or 'self', additional sources are blocked. object-src
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| A |
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| Good: default-src without 'unsafe-inline' or 'unsave-eval'. object-src
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| A |
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| Good: form-action directive found. That reduces the risk sending data to unwanted domains. form-action is a navigation-directive, so default-src isn't used.
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| A |
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| Good: frame-ancestors directive found. That limits pages who are allowed to use this page in a frame / iframe / object / embed / applet. frame-ancestors is a navigation-directive, so default-src isn't used.
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| A |
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| Good: base-uri directive found. That limits the URLs which can be used in a document's <base> element. Because it's a document directive, default-src isn't used, so an own directive is required.
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| A |
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| Good: object-src only with 'none' or 'self' found, no scheme, no other urls. That blocks object / embed / applet - elements.
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| A |
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| Good: script-src without 'unsafe-inline' and 'unsafe-eval' found. That's the recommended configuration.
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| A |
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| Good: script-src without * and a scheme found.
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| A |
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| Good: script-src without data: schema found. Why is this important? The data: schema allows hidden code injection. Insert <script src='data:application/javascript;base64,YWxlcnQoJ1hTUycpOw=='></script> in your page and see what happens.
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| A |
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| Good: frame-src without data: defined or frame-src missing and the default-src used as fallback not allows the data: schema. That blocks hidden code injection. Insert <iframe src="data:text/html;charset=utf-8;base64,PCFET0NUWVBFIGh0bWw+PGh0bWw+PGJvZHk+PHA+YmVmb3JlPHNjcmlwdCB0eXBlPSJ0ZXh0L2phdmFzY3JpcHQiPmFsZXJ0KCdYU1MnKTwvc2NyaXB0PjxwPmFmdGVyPC9ib2R5PjwvaHRtbD4="></iframe> in your page and see what happens.
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| C |
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| Info: default-src and some other fetch directives have the same list of values. Remove the other fetch directive, default-src is used as fallback. Directives to remove: object-src
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| A |
| X-Content-Type-Options
| Ok: Header without syntax errors found: nosniff
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| A |
| Referrer-Policy
| Ok: Header without syntax errors found: strict-origin-when-cross-origin
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| A |
| X-Frame-Options
| Ok: Header without syntax errors found: SAMEORIGIN
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| B |
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| Info: Header is deprecated. May not longer work in modern browsers. SAMEORIGIN. Better solution: Use a Content-Security-Policy Header with a frame-ancestors directive. DENY - use 'none', SAMEORIGIN - use 'self'. If you want to allow some domains to frame your page, add these urls.
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| A |
| Feature-Policy
| Ok: Header without syntax errors found: camera 'none'; gyroscope 'none'; microphone 'none'; usb 'none'; fullscreen 'self'; payment 'self'
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| B |
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| Info: Header is deprecated. May not longer work in modern browsers. camera 'none'; gyroscope 'none'; microphone 'none'; usb 'none'; fullscreen 'self'; payment 'self'
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| A |
| X-Xss-Protection
| Ok: Header without syntax errors found: 1; mode=block
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| B |
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| Info: Header is deprecated. May not longer work in modern browsers. 1; mode=block
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| A | templatus-inertia.ledermann.dev 2a01:4f8:c2c:2088::1
| Content-Security-Policy
| Ok: Header without syntax errors found: default-src 'none'; font-src 'self' data:; img-src 'self' data:; object-src 'none'; script-src 'self'; style-src 'self' 'sha256-kCeyw5rRT2DINADvWYmAhXLhQs4dKZrnn2sofIDmprs=' 'sha256-9OlNO0DNEeaVzHL4RZwCLsBHA8WBQ8toBp/4F5XV2nc='; frame-src 'self'; connect-src 'self' wss://templatus-inertia.ledermann.dev https://api.honeybadger.io https://p.ledermann.dev; manifest-src 'self'; frame-ancestors 'none'; base-uri 'self'; form-action 'self'
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| A |
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| Good: default-src directive only with 'none' or 'self', additional sources are blocked. object-src
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| A |
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| Good: default-src without 'unsafe-inline' or 'unsave-eval'. object-src
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| A |
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| Good: form-action directive found. That reduces the risk sending data to unwanted domains. form-action is a navigation-directive, so default-src isn't used.
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| A |
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| Good: frame-ancestors directive found. That limits pages who are allowed to use this page in a frame / iframe / object / embed / applet. frame-ancestors is a navigation-directive, so default-src isn't used.
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| A |
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| Good: base-uri directive found. That limits the URLs which can be used in a document's <base> element. Because it's a document directive, default-src isn't used, so an own directive is required.
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| A |
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| Good: object-src only with 'none' or 'self' found, no scheme, no other urls. That blocks object / embed / applet - elements.
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| A |
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| Good: script-src without 'unsafe-inline' and 'unsafe-eval' found. That's the recommended configuration.
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| A |
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| Good: script-src without * and a scheme found.
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| A |
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| Good: script-src without data: schema found. Why is this important? The data: schema allows hidden code injection. Insert <script src='data:application/javascript;base64,YWxlcnQoJ1hTUycpOw=='></script> in your page and see what happens.
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| A |
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| Good: frame-src without data: defined or frame-src missing and the default-src used as fallback not allows the data: schema. That blocks hidden code injection. Insert <iframe src="data:text/html;charset=utf-8;base64,PCFET0NUWVBFIGh0bWw+PGh0bWw+PGJvZHk+PHA+YmVmb3JlPHNjcmlwdCB0eXBlPSJ0ZXh0L2phdmFzY3JpcHQiPmFsZXJ0KCdYU1MnKTwvc2NyaXB0PjxwPmFmdGVyPC9ib2R5PjwvaHRtbD4="></iframe> in your page and see what happens.
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| C |
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| Info: default-src and some other fetch directives have the same list of values. Remove the other fetch directive, default-src is used as fallback. Directives to remove: object-src
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| A |
| X-Content-Type-Options
| Ok: Header without syntax errors found: nosniff
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| A |
| Referrer-Policy
| Ok: Header without syntax errors found: strict-origin-when-cross-origin
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| A |
| X-Frame-Options
| Ok: Header without syntax errors found: SAMEORIGIN
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| B |
|
| Info: Header is deprecated. May not longer work in modern browsers. SAMEORIGIN. Better solution: Use a Content-Security-Policy Header with a frame-ancestors directive. DENY - use 'none', SAMEORIGIN - use 'self'. If you want to allow some domains to frame your page, add these urls.
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| A |
| Feature-Policy
| Ok: Header without syntax errors found: camera 'none'; gyroscope 'none'; microphone 'none'; usb 'none'; fullscreen 'self'; payment 'self'
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| B |
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| Info: Header is deprecated. May not longer work in modern browsers. camera 'none'; gyroscope 'none'; microphone 'none'; usb 'none'; fullscreen 'self'; payment 'self'
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| A |
| X-Xss-Protection
| Ok: Header without syntax errors found: 1; mode=block
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| B |
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| Info: Header is deprecated. May not longer work in modern browsers. 1; mode=block
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| F | templatus-inertia.ledermann.dev 116.203.125.190
| Permissions-Policy
| Critical: Missing Header:
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| B | templatus-inertia.ledermann.dev 116.203.125.190
| Cross-Origin-Embedder-Policy
| Info: Missing Header
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| B | templatus-inertia.ledermann.dev 116.203.125.190
| Cross-Origin-Opener-Policy
| Info: Missing Header
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| B | templatus-inertia.ledermann.dev 116.203.125.190
| Cross-Origin-Resource-Policy
| Info: Missing Header
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| F | templatus-inertia.ledermann.dev 2a01:4f8:c2c:2088::1
| Permissions-Policy
| Critical: Missing Header:
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| B | templatus-inertia.ledermann.dev 2a01:4f8:c2c:2088::1
| Cross-Origin-Embedder-Policy
| Info: Missing Header
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| B | templatus-inertia.ledermann.dev 2a01:4f8:c2c:2088::1
| Cross-Origin-Opener-Policy
| Info: Missing Header
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| B | templatus-inertia.ledermann.dev 2a01:4f8:c2c:2088::1
| Cross-Origin-Resource-Policy
| Info: Missing Header
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| 3. DNS- and NameServer - Checks |
| A | Info:: 15 Root-climbing DNS Queries required to find all IPv4- and IPv6-Addresses of 3 Name Servers.
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| A | Info:: 15 Queries complete, 15 with IPv6, 0 with IPv4.
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| A | Good: All DNS Queries done via IPv6.
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| Ok (4 - 8):: An average of 5.0 queries per domain name server required to find all ip addresses of all name servers.
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| A | Info:: 4 different Name Servers found: ns1.gandi.net, ns-141-a.gandi.net, ns-73-b.gandi.net, ns-76-c.gandi.net, 3 Name Servers included in Delegation: ns-141-a.gandi.net, ns-73-b.gandi.net, ns-76-c.gandi.net, 3 Name Servers included in 2 Zone definitions: ns-141-a.gandi.net, ns-73-b.gandi.net, ns-76-c.gandi.net, 1 Name Servers listed in SOA.Primary: ns1.gandi.net.
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| A | Good: Only one SOA.Primary Name Server found.: ns1.gandi.net.
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| Error: SOA.Primary Name Server not included in the delegation set.: ns1.gandi.net.
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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: ns-141-a.gandi.net, ns-73-b.gandi.net, ns-76-c.gandi.net
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| A | Good: All Name Server Domain Names have a Public Suffix.
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| Error: Name Server Domain Names with Public Suffix and without ip address found.: 1 Name Servers without ipv4 and ipv6: 1
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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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| Warning: All Name Servers have the same Top Level Domain / Public Suffix. If there is a problem with that Top Level Domain, your domain may be affected. Better: Use Name Servers with different top level domains.: 3 Name Servers, 1 Top Level Domain: net
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| Warning: All Name Servers have the same domain name. If there is a problem with that domain name (or with the name servers of that domain name), your domain may be affected. Better: Use Name Servers with different domain names / different top level domains.: Only one domain name used: gandi.net
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| Warning: All Name Servers from the same Country / IP location.: 3 Name Servers, 1 Countries: FR
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| A | Info: Ipv4-Subnet-list: 3 Name Servers, 3 different subnets (first Byte): 173., 213., 217., 3 different subnets (first two Bytes): 173.246., 213.167., 217.70., 3 different subnets (first three Bytes): 173.246.100., 213.167.230., 217.70.187.
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| A | Excellent: Every Name Server IPv4-address starts with an unique Byte.
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| A | Info: IPv6-Subnet-list: 3 Name Servers with IPv6, 2 different subnets (first block): 2001:, 2604:, 2 different subnets (first two blocks): 2001:4b98:, 2604:3400:, 3 different subnets (first three blocks): 2001:4b98:aaaa:, 2001:4b98:aaab:, 2604:3400:aaac:, 3 different subnets (first four blocks): 2001:4b98:aaaa:0000:, 2001:4b98:aaab:0000:, 2604:3400:aaac:0000:
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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.gandi.net: 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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| Nameserver doesn't pass all EDNS-Checks: ns1.gandi.net: 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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| A | Good: CAA entries found, creating certificate is limited: letsencrypt.org is allowed to create wildcard-certificates
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| 4. Content- and Performance-critical Checks |
| A | Good: 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.
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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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| https://templatus-inertia.ledermann.dev/ 116.203.125.190
|
| 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.: 1 script elements without defer/async.
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| https://templatus-inertia.ledermann.dev/ 2a01:4f8:c2c:2088::1
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| 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.: 1 script elements without defer/async.
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| A | Good: All CSS / JavaScript files are sent compressed (gzip, deflate, br checked). That reduces the content of the files. 4 external CSS / JavaScript files found
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| A | Good: All CSS / JavaScript files are sent with a long Cache-Control header (minimum 7 days). So the browser can re-use these files, no download is required. 4 external CSS / JavaScript files with long Cache-Control max-age found
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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
|
| 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: 170760 milliseconds, 170.760 seconds
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