| 1. General Results, most used to calculate the result |
A | name "whoami.psgfr.odl.io" is subdomain, public suffix is ".io", top-level-domain is ".io", top-level-domain-type is "country-code", Country is British Indian Ocean Territory (the), tld-manager is "IO Top Level Domain Registry", num .io-domains preloaded: 2421 (complete: 244198)
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A | Good: All ip addresses are public addresses
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| Warning: Only one ip address found: whoami.psgfr.odl.io has only one ip address.
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| Warning: Only one ip address found: www.whoami.psgfr.odl.io has only one ip address.
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| 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: whoami.psgfr.odl.io has no ipv6 address.
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| 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.whoami.psgfr.odl.io has no ipv6 address.
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A | Good: No asked Authoritative Name Server had a timeout
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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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| 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: All urls with http status 200/404 have a complete Content-Type header (MediaType / MediaSubType + correct charset)
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B | https://whoami.psgfr.odl.io/ 54.201.69.27
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| Missing HSTS-Header
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B | https://www.whoami.psgfr.odl.io/ 54.201.69.27
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| Missing HSTS-Header
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M | https://www.whoami.psgfr.odl.io/ 54.201.69.27
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| Misconfiguration - main pages should never send http status 400 - 499
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M | https://54.201.69.27/ 54.201.69.27
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| Misconfiguration - main pages should never send http status 400 - 499
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N | https://whoami.psgfr.odl.io/ 54.201.69.27
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| Error - Certificate isn't trusted, RemoteCertificateNameMismatch, RemoteCertificateChainErrors
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N | https://www.whoami.psgfr.odl.io/ 54.201.69.27
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| Error - Certificate isn't trusted, RemoteCertificateNameMismatch, RemoteCertificateChainErrors
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N | https://54.201.69.27/ 54.201.69.27
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| Error - Certificate isn't trusted, RemoteCertificateChainErrors
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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 whoami.psgfr.odl.io, 1 ip addresses, 1 different http results.
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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 www.whoami.psgfr.odl.io, 1 ip addresses, 1 different http results.
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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.whoami.psgfr.odl.io
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| 2. Header-Checks |
A | www.whoami.psgfr.odl.io 54.201.69.27
| X-Content-Type-Options
| Ok: Header without syntax errors found: nosniff
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F | whoami.psgfr.odl.io 54.201.69.27
| Content-Security-Policy
| Critical: Missing Header:
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F | whoami.psgfr.odl.io 54.201.69.27
| X-Content-Type-Options
| Critical: Missing Header:
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F | whoami.psgfr.odl.io 54.201.69.27
| Referrer-Policy
| Critical: Missing Header:
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F | whoami.psgfr.odl.io 54.201.69.27
| Permissions-Policy
| Critical: Missing Header:
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F | www.whoami.psgfr.odl.io 54.201.69.27
| Content-Security-Policy
| Critical: Missing Header:
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F | www.whoami.psgfr.odl.io 54.201.69.27
| Referrer-Policy
| Critical: Missing Header:
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F | www.whoami.psgfr.odl.io 54.201.69.27
| Permissions-Policy
| Critical: Missing Header:
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| 3. DNS- and NameServer - Checks |
A | Info:: 16 Root-climbing DNS Queries required to find all IPv4- and IPv6-Addresses of 4 Name Servers.
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A | Info:: 16 Queries complete, 16 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 4.0 queries per domain name server required to find all ip addresses of all name servers.
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A | Info:: 8 different Name Servers found: ns-1158.awsdns-16.org, ns-1169.awsdns-18.org, ns-1719.awsdns-22.co.uk, ns-1950.awsdns-51.co.uk, ns-276.awsdns-34.com, ns-454.awsdns-56.com, ns-555.awsdns-05.net, ns-651.awsdns-17.net, 4 Name Servers included in Delegation: ns-1169.awsdns-18.org, ns-1719.awsdns-22.co.uk, ns-454.awsdns-56.com, ns-651.awsdns-17.net, 4 Name Servers included in 2 Zone definitions: ns-1158.awsdns-16.org, ns-1950.awsdns-51.co.uk, ns-276.awsdns-34.com, ns-555.awsdns-05.net, 1 Name Servers listed in SOA.Primary: ns-276.awsdns-34.com.
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A | Good: Only one SOA.Primary Name Server found.: ns-276.awsdns-34.com.
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| Error: SOA.Primary Name Server not included in the delegation set.: ns-276.awsdns-34.com.
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X | Fatal: Inconsistency between delegation and zone. The set of NS records served by the authoritative name servers must match those proposed for the delegation in the parent zone. Read https://www.iana.org/help/nameserver-requirements and send it to your Name Server Hoster.: ns-1169.awsdns-18.org (205.251.196.145): Delegation: ns-1169.awsdns-18.org, ns-1719.awsdns-22.co.uk, ns-454.awsdns-56.com, ns-651.awsdns-17.net, Zone: ns-1158.awsdns-16.org, ns-1950.awsdns-51.co.uk, ns-276.awsdns-34.com, ns-555.awsdns-05.net. Name Servers defined in Delegation, missing in Zone: ns-1169.awsdns-18.org, ns-1719.awsdns-22.co.uk, ns-454.awsdns-56.com, ns-651.awsdns-17.net.Name Servers defined in Zone, missing in Delegation: ns-1158.awsdns-16.org, ns-1950.awsdns-51.co.uk, ns-276.awsdns-34.com, ns-555.awsdns-05.net.
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X | Fatal: Inconsistency between delegation and zone. The set of NS records served by the authoritative name servers must match those proposed for the delegation in the parent zone. Read https://www.iana.org/help/nameserver-requirements and send it to your Name Server Hoster.: ns-1169.awsdns-18.org (2600:9000:5304:9100::1): Delegation: ns-1169.awsdns-18.org, ns-1719.awsdns-22.co.uk, ns-454.awsdns-56.com, ns-651.awsdns-17.net, Zone: ns-1158.awsdns-16.org, ns-1950.awsdns-51.co.uk, ns-276.awsdns-34.com, ns-555.awsdns-05.net. Name Servers defined in Delegation, missing in Zone: ns-1169.awsdns-18.org, ns-1719.awsdns-22.co.uk, ns-454.awsdns-56.com, ns-651.awsdns-17.net.Name Servers defined in Zone, missing in Delegation: ns-1158.awsdns-16.org, ns-1950.awsdns-51.co.uk, ns-276.awsdns-34.com, ns-555.awsdns-05.net.
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X | Fatal: Inconsistency between delegation and zone. The set of NS records served by the authoritative name servers must match those proposed for the delegation in the parent zone. Read https://www.iana.org/help/nameserver-requirements and send it to your Name Server Hoster.: ns-1719.awsdns-22.co.uk (205.251.198.183): Delegation: ns-1169.awsdns-18.org, ns-1719.awsdns-22.co.uk, ns-454.awsdns-56.com, ns-651.awsdns-17.net, Zone: ns-1158.awsdns-16.org, ns-1950.awsdns-51.co.uk, ns-276.awsdns-34.com, ns-555.awsdns-05.net. Name Servers defined in Delegation, missing in Zone: ns-1169.awsdns-18.org, ns-1719.awsdns-22.co.uk, ns-454.awsdns-56.com, ns-651.awsdns-17.net.Name Servers defined in Zone, missing in Delegation: ns-1158.awsdns-16.org, ns-1950.awsdns-51.co.uk, ns-276.awsdns-34.com, ns-555.awsdns-05.net.
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X | Fatal: Inconsistency between delegation and zone. The set of NS records served by the authoritative name servers must match those proposed for the delegation in the parent zone. Read https://www.iana.org/help/nameserver-requirements and send it to your Name Server Hoster.: ns-1719.awsdns-22.co.uk (2600:9000:5306:b700::1): Delegation: ns-1169.awsdns-18.org, ns-1719.awsdns-22.co.uk, ns-454.awsdns-56.com, ns-651.awsdns-17.net, Zone: ns-1158.awsdns-16.org, ns-1950.awsdns-51.co.uk, ns-276.awsdns-34.com, ns-555.awsdns-05.net. Name Servers defined in Delegation, missing in Zone: ns-1169.awsdns-18.org, ns-1719.awsdns-22.co.uk, ns-454.awsdns-56.com, ns-651.awsdns-17.net.Name Servers defined in Zone, missing in Delegation: ns-1158.awsdns-16.org, ns-1950.awsdns-51.co.uk, ns-276.awsdns-34.com, ns-555.awsdns-05.net.
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X | Fatal: Inconsistency between delegation and zone. The set of NS records served by the authoritative name servers must match those proposed for the delegation in the parent zone. Read https://www.iana.org/help/nameserver-requirements and send it to your Name Server Hoster.: ns-454.awsdns-56.com (205.251.193.198): Delegation: ns-1169.awsdns-18.org, ns-1719.awsdns-22.co.uk, ns-454.awsdns-56.com, ns-651.awsdns-17.net, Zone: ns-1158.awsdns-16.org, ns-1950.awsdns-51.co.uk, ns-276.awsdns-34.com, ns-555.awsdns-05.net. Name Servers defined in Delegation, missing in Zone: ns-1169.awsdns-18.org, ns-1719.awsdns-22.co.uk, ns-454.awsdns-56.com, ns-651.awsdns-17.net.Name Servers defined in Zone, missing in Delegation: ns-1158.awsdns-16.org, ns-1950.awsdns-51.co.uk, ns-276.awsdns-34.com, ns-555.awsdns-05.net.
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X | Fatal: Inconsistency between delegation and zone. The set of NS records served by the authoritative name servers must match those proposed for the delegation in the parent zone. Read https://www.iana.org/help/nameserver-requirements and send it to your Name Server Hoster.: ns-454.awsdns-56.com (2600:9000:5301:c600::1): Delegation: ns-1169.awsdns-18.org, ns-1719.awsdns-22.co.uk, ns-454.awsdns-56.com, ns-651.awsdns-17.net, Zone: ns-1158.awsdns-16.org, ns-1950.awsdns-51.co.uk, ns-276.awsdns-34.com, ns-555.awsdns-05.net. Name Servers defined in Delegation, missing in Zone: ns-1169.awsdns-18.org, ns-1719.awsdns-22.co.uk, ns-454.awsdns-56.com, ns-651.awsdns-17.net.Name Servers defined in Zone, missing in Delegation: ns-1158.awsdns-16.org, ns-1950.awsdns-51.co.uk, ns-276.awsdns-34.com, ns-555.awsdns-05.net.
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X | Fatal: Inconsistency between delegation and zone. The set of NS records served by the authoritative name servers must match those proposed for the delegation in the parent zone. Read https://www.iana.org/help/nameserver-requirements and send it to your Name Server Hoster.: ns-651.awsdns-17.net (205.251.194.139): Delegation: ns-1169.awsdns-18.org, ns-1719.awsdns-22.co.uk, ns-454.awsdns-56.com, ns-651.awsdns-17.net, Zone: ns-1158.awsdns-16.org, ns-1950.awsdns-51.co.uk, ns-276.awsdns-34.com, ns-555.awsdns-05.net. Name Servers defined in Delegation, missing in Zone: ns-1169.awsdns-18.org, ns-1719.awsdns-22.co.uk, ns-454.awsdns-56.com, ns-651.awsdns-17.net.Name Servers defined in Zone, missing in Delegation: ns-1158.awsdns-16.org, ns-1950.awsdns-51.co.uk, ns-276.awsdns-34.com, ns-555.awsdns-05.net.
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X | Fatal: Inconsistency between delegation and zone. The set of NS records served by the authoritative name servers must match those proposed for the delegation in the parent zone. Read https://www.iana.org/help/nameserver-requirements and send it to your Name Server Hoster.: ns-651.awsdns-17.net (2600:9000:5302:8b00::1): Delegation: ns-1169.awsdns-18.org, ns-1719.awsdns-22.co.uk, ns-454.awsdns-56.com, ns-651.awsdns-17.net, Zone: ns-1158.awsdns-16.org, ns-1950.awsdns-51.co.uk, ns-276.awsdns-34.com, ns-555.awsdns-05.net. Name Servers defined in Delegation, missing in Zone: ns-1169.awsdns-18.org, ns-1719.awsdns-22.co.uk, ns-454.awsdns-56.com, ns-651.awsdns-17.net.Name Servers defined in Zone, missing in Delegation: ns-1158.awsdns-16.org, ns-1950.awsdns-51.co.uk, ns-276.awsdns-34.com, ns-555.awsdns-05.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.: 4 Name Servers without ipv4 and ipv6: 4
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A | Info: Ipv4-Subnet-list: 4 Name Servers, 1 different subnets (first Byte): 205., 1 different subnets (first two Bytes): 205.251., 4 different subnets (first three Bytes): 205.251.193., 205.251.194., 205.251.196., 205.251.198.
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A | Good: Name Server IPv4-addresses from different subnet found:
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A | Info: IPv6-Subnet-list: 4 Name Servers with IPv6, 1 different subnets (first block): 2600:, 1 different subnets (first two blocks): 2600:9000:, 4 different subnets (first three blocks): 2600:9000:5301:, 2600:9000:5302:, 2600:9000:5304:, 2600:9000:5306:, 4 different subnets (first four blocks): 2600:9000:5301:c600:, 2600:9000:5302:8b00:, 2600:9000:5304:9100:, 2600:9000:5306:b700:
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A | Good: Name Server IPv6 addresses from different subnets found.
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A | Good: Nameserver supports TCP connections: 8 good Nameserver
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A | Good: Nameserver supports Echo Capitalization: 8 good Nameserver
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A | Good: Nameserver supports EDNS with max. 512 Byte Udp payload, message is smaller: 8 good Nameserver
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| Nameserver doesn't pass all EDNS-Checks: ns-1158.awsdns-16.org: 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: ns-1950.awsdns-51.co.uk: 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: ns-276.awsdns-34.com: OP100: no result. FLAGS: no result. V1: no result. V1OP100: no result. V1FLAGS: no result. DNSSEC: no result. V1DNSSEC: no result. NSID: no result. COOKIE: no result. CLIENTSUBNET: no result.
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| Nameserver doesn't pass all EDNS-Checks: ns-276.awsdns-34.com: OP100: no result. FLAGS: no result. V1: no result. V1OP100: no result. V1FLAGS: no result. DNSSEC: no result. V1DNSSEC: no result. NSID: no result. COOKIE: no result. CLIENTSUBNET: no result.
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| Nameserver doesn't pass all EDNS-Checks: ns-276.awsdns-34.com: OP100: no result. FLAGS: no result. V1: no result. V1OP100: no result. V1FLAGS: no result. DNSSEC: no result. V1DNSSEC: no result. NSID: no result. COOKIE: no result. CLIENTSUBNET: no result.
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| Nameserver doesn't pass all EDNS-Checks: ns-555.awsdns-05.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: psgfr.odl.io is allowed to create certificates
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| Warning: Unknown CAA found: psgfr.odl.io isn't defined. Unknown entry. May be wrong written, may be not longer valid. May be a missing entry in this tool.
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| 4. Content- and Performance-critical Checks |
| http://whoami.psgfr.odl.io/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de 54.201.69.27
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| Fatal: Check of /.well-known/acme-challenge/random-filename has a timeout. Creating a Letsencrypt certificate via http-01 challenge can't work. You need a running webserver (http) and an open port 80. If it's a home server + ipv4, perhaps a correct port forwarding port 80 extern ⇒ working port intern is required. Port 80 / http can redirect to another domain port 80 or port 443, but not other ports. If it's a home server, perhaps your ISP blocks port 80. Then you may use the dns-01 challenge. Trouble creating a certificate? Use https://community.letsencrypt.org/ to ask.
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| http://www.whoami.psgfr.odl.io/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de 54.201.69.27
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| Fatal: Check of /.well-known/acme-challenge/random-filename has a timeout. Creating a Letsencrypt certificate via http-01 challenge can't work. You need a running webserver (http) and an open port 80. If it's a home server + ipv4, perhaps a correct port forwarding port 80 extern ⇒ working port intern is required. Port 80 / http can redirect to another domain port 80 or port 443, but not other ports. If it's a home server, perhaps your ISP blocks port 80. Then you may use the dns-01 challenge. Trouble creating a certificate? Use https://community.letsencrypt.org/ to ask.
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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 | 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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| https://www.whoami.psgfr.odl.io/ 54.201.69.27
| 5.377 seconds
| Warning: 404 needs more then one second
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| https://54.201.69.27/ 54.201.69.27
| 5.360 seconds
| Warning: 404 needs more then one second
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A | Duration: 346420 milliseconds, 346.420 seconds
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