www.buyshowerfilters.com | 520: Web server is returning an unknown error

HTTP/1.1 520 
Date: Thu, 20 Mar 2025 12:28:28 GMT
Content-Type: text/html; charset=UTF-8
Content-Length: 7240
Connection: keep-alive
Report-To: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=IEPWAV7XhlwrOCK6g7FHe5T0dAAgmpk%2FzGri9unEt8htAPWh9jY9ZlY8pH6TMsgU1yrwWcPkzUDad27G6MsNSZtfL1dnWXJondiahLU5Z2%2B2ZGycLaQJtCLB%2F7ooziZO6RyKCxQ66gY0sss%3D"}],"group":"cf-nel","max_age":604800}
NEL: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
X-Frame-Options: SAMEORIGIN
Referrer-Policy: same-origin
Cache-Control: private, max-age=0, no-store, no-cache, must-revalidate, post-check=0, pre-check=0
Expires: Thu, 01 Jan 1970 00:00:01 GMT
Server: cloudflare
CF-RAY: 923535a4cd9f176d-SJC
alt-svc: h3=":443"; ma=86400
server-timing: cfL4;desc="?proto=TCP&rtt=1213&min_rtt=1213&rtt_var=606&sent=1&recv=3&lost=0&retrans=0&sent_bytes=0&recv_bytes=264&delivery_rate=0&cwnd=201&unsent_bytes=0&cid=0000000000000000&ts=0&x=0"

HTTP/1.1 520 
Date: Thu, 20 Mar 2025 19:34:55 GMT
Content-Type: text/html; charset=UTF-8
Content-Length: 7235
Connection: keep-alive
Report-To: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=gXqnegzeEen31kW%2BvJDwmQfCHHYDVMx%2FUM35XYLqfHoBwQ9JHtqHo6fy5L6uZUbXbrbiw3IMugGYAB33C0Eia2vy9ZwEejAML75F7YLIg72vBPZb%2BqPjkpQR7K99fEVyK7XCsJGVv1CuBWo%3D"}],"group":"cf-nel","max_age":604800}
NEL: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
X-Frame-Options: SAMEORIGIN
Referrer-Policy: same-origin
Cache-Control: private, max-age=0, no-store, no-cache, must-revalidate, post-check=0, pre-check=0
Expires: Thu, 01 Jan 1970 00:00:01 GMT
Server: cloudflare
CF-RAY: 9237a6544fcc6a03-DFW
alt-svc: h3=":443"; ma=86400
server-timing: cfL4;desc="?proto=TCP&rtt=7198&min_rtt=2034&rtt_var=10898&sent=4&recv=7&lost=0&retrans=0&sent_bytes=3025&recv_bytes=941&delivery_rate=1423795&cwnd=177&unsent_bytes=0&cid=22d96828c53d2407&ts=121&x=0"

Certificate:
    Data:
        Version: 3 (0x2)
        Serial Number:
            06:f2:0f:c5:7e:6d:44:8a:11:88:9c:69:eb:0e:82:50
        Signature Algorithm: ecdsa-with-SHA256
        Issuer: C=US, O=Google Trust Services, CN=WE1
        Validity
            Not Before: Feb 11 05:06:46 2025 GMT
            Not After : May 12 06:02:06 2025 GMT
        Subject: CN=tenzingsolutions.com
        Subject Public Key Info:
            Public Key Algorithm: id-ecPublicKey
                Public-Key: (256 bit)
                pub:
                    04:55:98:22:9b:18:c4:80:b0:76:0b:98:9e:bb:41:
                    62:e8:5e:fb:04:76:0e:de:b5:a8:e0:29:6d:4a:98:
                    b7:54:66:9f:35:a9:48:3c:45:ac:02:21:cb:c5:b9:
                    3c:e9:8f:5f:01:2d:26:89:6b:b0:c7:f4:95:b5:8b:
                    6e:64:d5:16:7e
                ASN1 OID: prime256v1
                NIST CURVE: P-256
        X509v3 extensions:
            X509v3 Key Usage: critical
                Digital Signature
            X509v3 Extended Key Usage: 
                TLS Web Server Authentication
            X509v3 Basic Constraints: critical
                CA:FALSE
            X509v3 Subject Key Identifier: 
                C3:17:9F:F4:51:33:82:FD:B5:F1:D7:2B:64:EC:7A:AD:CC:8B:AE:9F
            X509v3 Authority Key Identifier: 
                90:77:92:35:67:C4:FF:A8:CC:A9:E6:7B:D9:80:79:7B:CC:93:F9:38
            Authority Information Access: 
                OCSP - URI:http://o.pki.goog/s/we1/BvI
                CA Issuers - URI:http://i.pki.goog/we1.crt
            X509v3 Subject Alternative Name: 
                DNS:tenzingsolutions.com, DNS:*.tenzingsolutions.com
            X509v3 Certificate Policies: 
                Policy: 2.23.140.1.2.1
            X509v3 CRL Distribution Points: 
                Full Name:
                  URI:http://c.pki.goog/we1/U2k3Nbjapas.crl
            CT Precertificate SCTs: 
                Signed Certificate Timestamp:
                    Version   : v1 (0x0)
                    Log ID    : 4E:75:A3:27:5C:9A:10:C3:38:5B:6C:D4:DF:3F:52:EB:
                                1D:F0:E0:8E:1B:8D:69:C0:B1:FA:64:B1:62:9A:39:DF
                    Timestamp : Feb 11 06:06:47.353 2025 GMT
                    Extensions: none
                    Signature : ecdsa-with-SHA256
                                30:45:02:21:00:CD:B9:7E:A7:76:5C:1E:F2:AB:FF:07:
                                AB:8D:79:F5:9F:A2:CE:96:B9:53:DA:56:CC:11:16:D0:
                                D7:95:7F:7E:BB:02:20:71:D2:D1:8D:59:F4:9D:0A:EF:
                                31:93:EC:F5:36:88:D6:44:4B:41:AD:98:23:AA:E0:8E:
                                F9:7E:62:70:11:09:14
                Signed Certificate Timestamp:
                    Version   : v1 (0x0)
                    Log ID    : E6:D2:31:63:40:77:8C:C1:10:41:06:D7:71:B9:CE:C1:
                                D2:40:F6:96:84:86:FB:BA:87:32:1D:FD:1E:37:8E:50
                    Timestamp : Feb 11 06:06:47.369 2025 GMT
                    Extensions: none
                    Signature : ecdsa-with-SHA256
                                30:44:02:20:42:94:38:C8:B4:E5:EC:2C:64:50:F5:51:
                                DD:FD:68:3A:4D:6B:CD:B8:55:D8:E6:34:37:40:80:10:
                                52:F2:51:AE:02:20:14:1D:17:D1:4A:DC:14:2E:29:DF:
                                88:96:30:58:4D:25:5F:DC:93:83:76:24:79:5B:73:4A:
                                99:6A:84:42:F4:25
    Signature Algorithm: ecdsa-with-SHA256
    Signature Value:
        30:46:02:21:00:ea:27:1f:7d:81:ca:49:12:60:98:da:05:2e:
        21:87:fd:a2:ad:44:60:b3:cb:97:34:98:d6:a2:45:f8:a8:96:
        30:02:21:00:d1:4d:a3:09:4c:06:cf:13:56:05:bf:df:5c:36:
        ac:bb:e3:4c:e1:ed:41:02:6b:95:2c:35:31:e7:97:2e:45:9a

HTTP/1.1 403 Forbidden
Date: Wed, 19 Mar 2025 18:09:08 GMT
Content-Type: text/html; charset=UTF-8
Content-Length: 5893
Connection: close
X-Frame-Options: SAMEORIGIN
Referrer-Policy: same-origin
Cache-Control: private, max-age=0, no-store, no-cache, must-revalidate, post-check=0, pre-check=0
Expires: Thu, 01 Jan 1970 00:00:01 GMT
Vary: Accept-Encoding
Server: cloudflare
CF-RAY: 922eeb4c289d6b59-DFW

HTTP/1.1 400 Bad Request
Server: cloudflare
Date: Sun, 23 Feb 2025 23:23:32 GMT
Content-Type: text/html
Content-Length: 655
Connection: close
CF-RAY: -

HTTP/1.1 403 Forbidden
Date: Tue, 18 Mar 2025 14:19:50 GMT
Content-Type: text/html; charset=UTF-8
Content-Length: 5892
Connection: close
X-Frame-Options: SAMEORIGIN
Referrer-Policy: same-origin
Cache-Control: private, max-age=0, no-store, no-cache, must-revalidate, post-check=0, pre-check=0
Expires: Thu, 01 Jan 1970 00:00:01 GMT
Vary: Accept-Encoding
Server: cloudflare
CF-RAY: 92255e0b382a0e08-AMS

HTTP/1.1 400 Bad Request
Server: cloudflare
Date: Sat, 15 Mar 2025 06:10:28 GMT
Content-Type: text/html
Content-Length: 155
Connection: close
CF-RAY: -

<html>
<head><title>400 Bad Request</title></head>
<body>
<center><h1>400 Bad Request</h1></center>
<hr><center>cloudflare</center>
</body>
</html>

CloudFlare

HTTP/1.1 403 Forbidden
Date: Thu, 20 Mar 2025 02:35:55 GMT
Content-Type: text/html; charset=UTF-8
Content-Length: 5892
Connection: close
X-Frame-Options: SAMEORIGIN
Referrer-Policy: same-origin
Cache-Control: private, max-age=0, no-store, no-cache, must-revalidate, post-check=0, pre-check=0
Expires: Thu, 01 Jan 1970 00:00:01 GMT
Vary: Accept-Encoding
Server: cloudflare
CF-RAY: 9231d1a8d9d94786-DFW

CloudFlare

HTTP/1.1 400 Bad Request
Server: cloudflare
Date: Mon, 24 Feb 2025 08:20:05 GMT
Content-Type: text/html
Content-Length: 655
Connection: close
CF-RAY: -

HTTP/1.1 403 Forbidden
Date: Sat, 22 Feb 2025 21:41:24 GMT
Content-Type: text/plain; charset=UTF-8
Content-Length: 16
Connection: close
X-Frame-Options: SAMEORIGIN
Referrer-Policy: same-origin
Cache-Control: private, max-age=0, no-store, no-cache, must-revalidate, post-check=0, pre-check=0
Expires: Thu, 01 Jan 1970 00:00:01 GMT
Server: cloudflare
CF-RAY: 916223daf9f12cc0-DFW

error code: 1003