1. General Results, most used to calculate the result A name "wechat.shop.agilent.com.cn" is subdomain, public suffix is ".com.cn", top-level-domain is ".cn", top-level-domain-type is "country-code", Country is China, tld-manager is "China Internet Network Information Center (CNNIC)", num .cn-domains preloaded: 765 (complete: 221801) A Good: All ip addresses are public addresses A Good: Minimal 2 ip addresses per domain name found: www.wechat.shop.agilent.com.cn has 2 different ip addresses (authoritative). 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.wechat.shop.agilent.com.cn has no ipv6 address. A Good: No asked Authoritative Name Server had a timeout A Good: destination is https A Good - only one version with Http-Status 200 A Good: one preferred version: www is preferred A Good: No cookie sent via http. HSTS-Preload-Status: unknown. Domain never included in the Preload-list. Check https://hstspreload.org/ to learn some basics about the Google-Preload-List. A Good: All urls with http status 200/404 have a complete Content-Type header (MediaType / MediaSubType + correct charset) A http://www.wechat.shop.agilent.com.cn/ 138.113.100.65 https://www.wechat.shop.agilent.com.cn/ Correct redirect http - https with the same domain name A http://www.wechat.shop.agilent.com.cn/ 138.113.147.2 https://www.wechat.shop.agilent.com.cn/ Correct redirect http - https with the same domain name A http://www.wechat.shop.agilent.com.cn/ 138.113.149.156 https://www.wechat.shop.agilent.com.cn/ Correct redirect http - https with the same domain name A http://www.wechat.shop.agilent.com.cn/ 138.113.192.18 https://www.wechat.shop.agilent.com.cn/ Correct redirect http - https with the same domain name B https://www.wechat.shop.agilent.com.cn/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de Missing HSTS-Header N https://138.113.100.65/ 138.113.100.65 Error - Certificate isn't trusted, RemoteCertificateNameMismatch N https://138.113.147.2/ 138.113.147.2 Error - Certificate isn't trusted, RemoteCertificateNameMismatch N https://138.113.149.156/ 138.113.149.156 Error - Certificate isn't trusted, RemoteCertificateNameMismatch N https://138.113.192.18/ 138.113.192.18 Error - Certificate isn't trusted, RemoteCertificateNameMismatch N www.wechat.shop.agilent.com.cn:2083 Error - Certificate isn't trusted, RemoteCertificateNameMismatch N www.wechat.shop.agilent.com.cn:2083 Error - Certificate isn't trusted, RemoteCertificateNameMismatch N www.wechat.shop.agilent.com.cn:2087 Error - Certificate isn't trusted, RemoteCertificateNameMismatch N www.wechat.shop.agilent.com.cn:2087 Error - Certificate isn't trusted, RemoteCertificateNameMismatch N www.wechat.shop.agilent.com.cn:8083 Error - Certificate isn't trusted, RemoteCertificateNameMismatch N www.wechat.shop.agilent.com.cn:8083 Error - Certificate isn't trusted, RemoteCertificateNameMismatch N www.wechat.shop.agilent.com.cn:10000 Error - Certificate isn't trusted, RemoteCertificateNameMismatch N www.wechat.shop.agilent.com.cn:10000 Error - Certificate isn't trusted, RemoteCertificateNameMismatch O www.wechat.shop.agilent.com.cn / 138.113.100.65 / 2083 Old connection: Cipher Suites without Forward Secrecy (FS) found. Remove all of these Cipher Suites, use only Cipher Suites with Forward Secrecy: Starting with ECDHE- or DHE - the last "E" says: "ephemeral". Or use Tls.1.3, then all Cipher Suites use FS. 16 Cipher Suites without Forward Secrecy found O www.wechat.shop.agilent.com.cn / 138.113.100.65 / 2087 Old connection: Cipher Suites without Forward Secrecy (FS) found. Remove all of these Cipher Suites, use only Cipher Suites with Forward Secrecy: Starting with ECDHE- or DHE - the last "E" says: "ephemeral". Or use Tls.1.3, then all Cipher Suites use FS. 16 Cipher Suites without Forward Secrecy found O www.wechat.shop.agilent.com.cn / 138.113.100.65 / 8083 Old connection: Cipher Suites without Forward Secrecy (FS) found. Remove all of these Cipher Suites, use only Cipher Suites with Forward Secrecy: Starting with ECDHE- or DHE - the last "E" says: "ephemeral". Or use Tls.1.3, then all Cipher Suites use FS. 16 Cipher Suites without Forward Secrecy found O www.wechat.shop.agilent.com.cn / 138.113.100.65 / 10000 Old connection: Cipher Suites without Forward Secrecy (FS) found. Remove all of these Cipher Suites, use only Cipher Suites with Forward Secrecy: Starting with ECDHE- or DHE - the last "E" says: "ephemeral". Or use Tls.1.3, then all Cipher Suites use FS. 16 Cipher Suites without Forward Secrecy found O www.wechat.shop.agilent.com.cn / 138.113.149.156 / 2083 Old connection: Cipher Suites without Forward Secrecy (FS) found. Remove all of these Cipher Suites, use only Cipher Suites with Forward Secrecy: Starting with ECDHE- or DHE - the last "E" says: "ephemeral". Or use Tls.1.3, then all Cipher Suites use FS. 16 Cipher Suites without Forward Secrecy found O www.wechat.shop.agilent.com.cn / 138.113.149.156 / 2087 Old connection: Cipher Suites without Forward Secrecy (FS) found. Remove all of these Cipher Suites, use only Cipher Suites with Forward Secrecy: Starting with ECDHE- or DHE - the last "E" says: "ephemeral". Or use Tls.1.3, then all Cipher Suites use FS. 16 Cipher Suites without Forward Secrecy found O www.wechat.shop.agilent.com.cn / 138.113.149.156 / 8083 Old connection: Cipher Suites without Forward Secrecy (FS) found. Remove all of these Cipher Suites, use only Cipher Suites with Forward Secrecy: Starting with ECDHE- or DHE - the last "E" says: "ephemeral". Or use Tls.1.3, then all Cipher Suites use FS. 16 Cipher Suites without Forward Secrecy found O www.wechat.shop.agilent.com.cn / 138.113.149.156 / 10000 Old connection: Cipher Suites without Forward Secrecy (FS) found. Remove all of these Cipher Suites, use only Cipher Suites with Forward Secrecy: Starting with ECDHE- or DHE - the last "E" says: "ephemeral". Or use Tls.1.3, then all Cipher Suites use FS. 16 Cipher Suites without Forward Secrecy found X Fatal error: Nameserver doesn't support TCP connection: cns.cernet.net / 2001:dd9::44: Timeout X Fatal error: Nameserver doesn't support TCP connection: dns1.wswebcdn.org / 157.185.151.2: Timeout X Fatal error: Nameserver doesn't support TCP connection: dns2.wswebcdn.info / 163.171.164.2: Timeout X Fatal error: Nameserver doesn't support TCP connection: dns3.wswebcdn.org / 163.171.164.2: Timeout X Fatal error: Nameserver doesn't support TCP connection: dns4.wswebcdn.info / 163.171.166.2: Timeout X Fatal error: Nameserver doesn't support TCP connection: dns5.cdn30.org / 157.185.151.2: Timeout X Fatal error: Nameserver doesn't support TCP connection: dns5.cdn30.org / 240e:e1:9600:20c::33: Timeout 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 www.wechat.shop.agilent.com.cn, 2 ip addresses. 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 different. So that domain requires Server Name Indication (SNI), so the server is able to select the correct certificate.: Domain www.wechat.shop.agilent.com.cn, 2 ip addresses. 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.wechat.shop.agilent.com.cn 2. Header-Checks (alpha, started 2022-10-23, may be buggy / incomplete) A www.wechat.shop.agilent.com.cn 138.113.100.65 Content-Security-Policy Ok: Header without syntax errors found: script-src 'self' 'unsafe-inline' https://appcdn.jingsocial.com F Bad: Missing default-src directive. A default-src directive is used if one of the specialized fetch directives (child-src, connect-src, font-src, frame-src, img-src, manifest-src, media-src, object-src, prefetch-src, script-src, style-src, worker-src) isn't defined. Missing default-src, all sources are allowed, that's bad. A default-src with 'none' or 'self' blocks that. E Bad: No form-action directive found. Use one to limit the form - action - destinations. form-action is a navigation-directive, so default-src isn't used. E Bad: No frame-ancestors directive found. Use one to limit the pages allowed to use this page in frame / iframe / object / embed / applet. frame-ancestors is a navigation-directive, so default-src isn't used. E Bad: No base-uri directive found. Use one to limit 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. F Critical: No object-src and no default-src as fallback defined. So object / embed / applet can load every resource. That's fatal. F Critical: script-src with 'unsafe-inline' or 'unsafe-eval' and without a nonce found. That's dangerous, don't use it. If you really need one of these unsafe directives, add a nonce. A Good: script-src without * and a scheme found. A 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. A X-Content-Type-Options Ok: Header without syntax errors found: nosniff A X-Frame-Options Ok: Header without syntax errors found: ALLOW-FROM https://www.sobot.com B Info: Header is deprecated. May not longer work in modern browsers. ALLOW-FROM https://www.sobot.com. 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. B Info: Header-Element is deprecated. ALLOW-FROM https://www.sobot.com A X-Xss-Protection Ok: Header without syntax errors found: 1; mode=block B Info: Header is deprecated. May not longer work in modern browsers. 1; mode=block A www.wechat.shop.agilent.com.cn 138.113.147.2 Content-Security-Policy Ok: Header without syntax errors found: script-src 'self' 'unsafe-inline' https://appcdn.jingsocial.com F Bad: Missing default-src directive. A default-src directive is used if one of the specialized fetch directives (child-src, connect-src, font-src, frame-src, img-src, manifest-src, media-src, object-src, prefetch-src, script-src, style-src, worker-src) isn't defined. Missing default-src, all sources are allowed, that's bad. A default-src with 'none' or 'self' blocks that. E Bad: No form-action directive found. Use one to limit the form - action - destinations. form-action is a navigation-directive, so default-src isn't used. E Bad: No frame-ancestors directive found. Use one to limit the pages allowed to use this page in frame / iframe / object / embed / applet. frame-ancestors is a navigation-directive, so default-src isn't used. E Bad: No base-uri directive found. Use one to limit 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. F Critical: No object-src and no default-src as fallback defined. So object / embed / applet can load every resource. That's fatal. F Critical: script-src with 'unsafe-inline' or 'unsafe-eval' and without a nonce found. That's dangerous, don't use it. If you really need one of these unsafe directives, add a nonce. A Good: script-src without * and a scheme found. A 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. A X-Content-Type-Options Ok: Header without syntax errors found: nosniff A X-Frame-Options Ok: Header without syntax errors found: ALLOW-FROM https://www.sobot.com B Info: Header is deprecated. May not longer work in modern browsers. ALLOW-FROM https://www.sobot.com. 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. B Info: Header-Element is deprecated. ALLOW-FROM https://www.sobot.com A X-Xss-Protection Ok: Header without syntax errors found: 1; mode=block B Info: Header is deprecated. May not longer work in modern browsers. 1; mode=block A www.wechat.shop.agilent.com.cn 138.113.149.156 Content-Security-Policy Ok: Header without syntax errors found: script-src 'self' 'unsafe-inline' https://appcdn.jingsocial.com F Bad: Missing default-src directive. A default-src directive is used if one of the specialized fetch directives (child-src, connect-src, font-src, frame-src, img-src, manifest-src, media-src, object-src, prefetch-src, script-src, style-src, worker-src) isn't defined. Missing default-src, all sources are allowed, that's bad. A default-src with 'none' or 'self' blocks that. E Bad: No form-action directive found. Use one to limit the form - action - destinations. form-action is a navigation-directive, so default-src isn't used. E Bad: No frame-ancestors directive found. Use one to limit the pages allowed to use this page in frame / iframe / object / embed / applet. frame-ancestors is a navigation-directive, so default-src isn't used. E Bad: No base-uri directive found. Use one to limit 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. F Critical: No object-src and no default-src as fallback defined. So object / embed / applet can load every resource. That's fatal. F Critical: script-src with 'unsafe-inline' or 'unsafe-eval' and without a nonce found. That's dangerous, don't use it. If you really need one of these unsafe directives, add a nonce. A Good: script-src without * and a scheme found. A 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. A X-Content-Type-Options Ok: Header without syntax errors found: nosniff A X-Frame-Options Ok: Header without syntax errors found: ALLOW-FROM https://www.sobot.com B Info: Header is deprecated. May not longer work in modern browsers. ALLOW-FROM https://www.sobot.com. 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. B Info: Header-Element is deprecated. ALLOW-FROM https://www.sobot.com A X-Xss-Protection Ok: Header without syntax errors found: 1; mode=block B Info: Header is deprecated. May not longer work in modern browsers. 1; mode=block A www.wechat.shop.agilent.com.cn 138.113.192.18 Content-Security-Policy Ok: Header without syntax errors found: script-src 'self' 'unsafe-inline' https://appcdn.jingsocial.com F Bad: Missing default-src directive. A default-src directive is used if one of the specialized fetch directives (child-src, connect-src, font-src, frame-src, img-src, manifest-src, media-src, object-src, prefetch-src, script-src, style-src, worker-src) isn't defined. Missing default-src, all sources are allowed, that's bad. A default-src with 'none' or 'self' blocks that. E Bad: No form-action directive found. Use one to limit the form - action - destinations. form-action is a navigation-directive, so default-src isn't used. E Bad: No frame-ancestors directive found. Use one to limit the pages allowed to use this page in frame / iframe / object / embed / applet. frame-ancestors is a navigation-directive, so default-src isn't used. E Bad: No base-uri directive found. Use one to limit 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. F Critical: No object-src and no default-src as fallback defined. So object / embed / applet can load every resource. That's fatal. F Critical: script-src with 'unsafe-inline' or 'unsafe-eval' and without a nonce found. That's dangerous, don't use it. If you really need one of these unsafe directives, add a nonce. A Good: script-src without * and a scheme found. A 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. A X-Content-Type-Options Ok: Header without syntax errors found: nosniff A X-Frame-Options Ok: Header without syntax errors found: ALLOW-FROM https://www.sobot.com B Info: Header is deprecated. May not longer work in modern browsers. ALLOW-FROM https://www.sobot.com. 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. B Info: Header-Element is deprecated. ALLOW-FROM https://www.sobot.com A X-Xss-Protection Ok: Header without syntax errors found: 1; mode=block B Info: Header is deprecated. May not longer work in modern browsers. 1; mode=block F www.wechat.shop.agilent.com.cn 138.113.100.65 Referrer-Policy Critical: Missing Header: F www.wechat.shop.agilent.com.cn 138.113.100.65 Permissions-Policy Critical: Missing Header: F www.wechat.shop.agilent.com.cn 138.113.147.2 Referrer-Policy Critical: Missing Header: F www.wechat.shop.agilent.com.cn 138.113.147.2 Permissions-Policy Critical: Missing Header: F www.wechat.shop.agilent.com.cn 138.113.149.156 Referrer-Policy Critical: Missing Header: F www.wechat.shop.agilent.com.cn 138.113.149.156 Permissions-Policy Critical: Missing Header: F www.wechat.shop.agilent.com.cn 138.113.192.18 Referrer-Policy Critical: Missing Header: F www.wechat.shop.agilent.com.cn 138.113.192.18 Permissions-Policy Critical: Missing Header: 3. DNS- and NameServer - Checks A Info:: 16 Root-climbing DNS Queries required to find all IPv4- and IPv6-Addresses of 4 Name Servers. A Info:: 16 Queries complete, 16 with IPv6, 0 with IPv4. A Good: All DNS Queries done via IPv6. Ok (4 - 8):: An average of 4.0 queries per domain name server required to find all ip addresses of all name servers. A Info:: 4 different Name Servers found: ns-1000.awsdns-61.net, ns-1181.awsdns-19.org, ns-1945.awsdns-51.co.uk, ns-317.awsdns-39.com, 4 Name Servers included in Delegation: ns-1000.awsdns-61.net, ns-1181.awsdns-19.org, ns-1945.awsdns-51.co.uk, ns-317.awsdns-39.com, 4 Name Servers included in 1 Zone definitions: ns-1000.awsdns-61.net, ns-1181.awsdns-19.org, ns-1945.awsdns-51.co.uk, ns-317.awsdns-39.com, 1 Name Servers listed in SOA.Primary: ns-1945.awsdns-51.co.uk. A Good: Only one SOA.Primary Name Server found.: ns-1945.awsdns-51.co.uk. A Good: SOA.Primary Name Server included in the delegation set.: ns-1945.awsdns-51.co.uk. 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-1000.awsdns-61.net, ns-1181.awsdns-19.org, ns-1945.awsdns-51.co.uk, ns-317.awsdns-39.com A Good: All Name Server Domain Names have a Public Suffix. A Good: All Name Server Domain Names ending with a Public Suffix have minimal one IPv4- or IPv6 address. A Good: All Name Server ip addresses are public. A Good: Minimal 2 different name servers (public suffix and public ip address) found: 4 different Name Servers found A Good: All name servers have ipv4- and ipv6-addresses.: 4 different Name Servers found A Good: Name servers with different Top Level Domains / Public Suffix List entries found: 4 Name Servers, 4 Top Level Domains: org, net, com, co.uk A Good: Name Servers with different domain names found.: 4 different Domains found A Good: Name servers with different Country locations found: 4 Name Servers, 3 Countries: GB, IE, US 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., 205.251.195., 205.251.196., 205.251.199. A Good: Name Server IPv4-addresses from different subnet found: 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:, 2600:9000:5303:, 2600:9000:5304:, 2600:9000:5307:, 4 different subnets (first four blocks): 2600:9000:5301:3d00:, 2600:9000:5303:e800:, 2600:9000:5304:9d00:, 2600:9000:5307:9900: A Good: Name Server IPv6 addresses from different subnets found. A Good: Nameserver supports TCP connections: 8 good Nameserver A Good: Nameserver supports Echo Capitalization: 8 good Nameserver X Nameserver Timeout checking Echo Capitalization: dns5.cdn30.org / 240e:e1:9600:20c::33 A Good: Nameserver supports EDNS with max. 512 Byte Udp payload, message is smaller: 8 good Nameserver X Nameserver Timeout checking EDNS512: a.dns.cn X Nameserver Timeout checking EDNS512: a.dns.cn / 203.119.25.1 A Good: 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: a.dns.cn: OP100: ok. FLAGS: ok. V1: ok. V1OP100: ok. V1FLAGS: ok. DNSSEC: ok. V1DNSSEC: ok. NSID: ok. COOKIE: ok. CLIENTSUBNET: fatal timeout. Nameserver doesn't pass all EDNS-Checks: a.dns.cn / 203.119.25.1: OP100: ok. FLAGS: ok. V1: ok. V1OP100: ok. V1FLAGS: ok. DNSSEC: ok. V1DNSSEC: ok. NSID: ok. COOKIE: ok. CLIENTSUBNET: fatal timeout. Nameserver doesn't pass all EDNS-Checks: a.dns.cn / 2001:dc7::1: OP100: ok. FLAGS: ok. V1: ok. V1OP100: ok. V1FLAGS: ok. DNSSEC: ok. V1DNSSEC: ok. NSID: ok. COOKIE: ok. CLIENTSUBNET: fatal timeout. Nameserver doesn't pass all EDNS-Checks: d.dns.cn / 2001:dc7:1000::1: OP100: ok. FLAGS: ok. V1: ok. V1OP100: ok. V1FLAGS: ok. DNSSEC: ok. V1DNSSEC: ok. NSID: ok. COOKIE: ok. CLIENTSUBNET: fatal timeout. Nameserver doesn't pass all EDNS-Checks: dns5.cdn30.org / 240e:e1:9600:20c::33: OP100: fatal timeout. FLAGS: ok. V1: ok. V1OP100: ok. V1FLAGS: ok. DNSSEC: ok. V1DNSSEC: ok. NSID: ok. COOKIE: ok. CLIENTSUBNET: fatal timeout. Nameserver doesn't pass all EDNS-Checks: e.dns.cn: OP100: ok. FLAGS: ok. V1: ok. V1OP100: ok. V1FLAGS: ok. DNSSEC: ok. V1DNSSEC: ok. NSID: ok. COOKIE: ok. CLIENTSUBNET: fatal timeout. Nameserver doesn't pass all EDNS-Checks: e.dns.cn / 203.119.29.1: OP100: ok. FLAGS: ok. V1: ok. V1OP100: ok. V1FLAGS: ok. DNSSEC: ok. V1DNSSEC: ok. NSID: ok. COOKIE: ok. CLIENTSUBNET: fatal timeout. A Good: 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. 4. Content- and Performance-critical Checks https://www.wechat.shop.agilent.com.cn/.well-known/acme-challenge/check-your-website-dot-server-daten-dot-de 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. A Good: No https + http status 200 with inline CSS / JavaScript found A Good: Every https result with status 200 has a minified Html-Content with a quota lower then 110 %. https://www.wechat.shop.agilent.com.cn/ 138.113.100.65 Warning: Https connections (Standard Port 443) found without support of the http/2 protocol via ALPN. Http/2 is the new Http-Version (old: http 1.1) with some important new features. Update your server software so http/2 is available. Only one TCP-connection per Server (that's a performance boost), Header-Compression and Server Pushs are available. Domain Sharding and Inline-CSS/Javascript shouldn't used with http/2. https://www.wechat.shop.agilent.com.cn/ 138.113.147.2 Warning: Https connections (Standard Port 443) found without support of the http/2 protocol via ALPN. Http/2 is the new Http-Version (old: http 1.1) with some important new features. Update your server software so http/2 is available. Only one TCP-connection per Server (that's a performance boost), Header-Compression and Server Pushs are available. Domain Sharding and Inline-CSS/Javascript shouldn't used with http/2. https://www.wechat.shop.agilent.com.cn/ 138.113.149.156 Warning: Https connections (Standard Port 443) found without support of the http/2 protocol via ALPN. Http/2 is the new Http-Version (old: http 1.1) with some important new features. Update your server software so http/2 is available. Only one TCP-connection per Server (that's a performance boost), Header-Compression and Server Pushs are available. Domain Sharding and Inline-CSS/Javascript shouldn't used with http/2. https://www.wechat.shop.agilent.com.cn/ 138.113.192.18 Warning: Https connections (Standard Port 443) found without support of the http/2 protocol via ALPN. Http/2 is the new Http-Version (old: http 1.1) with some important new features. Update your server software so http/2 is available. Only one TCP-connection per Server (that's a performance boost), Header-Compression and Server Pushs are available. Domain Sharding and Inline-CSS/Javascript shouldn't used with http/2. A Good: All checked attribute values are enclosed in quotation marks (" or '). 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 A Info: Different Server-Headers found A Duration: 3084843 milliseconds, 3084.843 seconds