HTTP/1.1 503 503
Connection: close
Content-Length: 8681
Server: Varnish
Retry-After: 0
Content-Type: text/html
Accept-Ranges: bytes
Date: Thu, 25 Apr 2024 05:20:20 GMT
Via: 1.1 varnish
X-Served-By: cache-sjc10051-SJC
X-Cache: MISS
X-Cache-Hits: 0
X-Timer: S1714022421.924598,VS0,VE0

HTTP/1.1 503 503
Connection: close
Content-Length: 8681
Server: Varnish
Retry-After: 0
Content-Type: text/html
Accept-Ranges: bytes
Date: Thu, 25 Apr 2024 06:03:17 GMT
Via: 1.1 varnish
X-Served-By: cache-sjc10021-SJC
X-Cache: MISS
X-Cache-Hits: 0
X-Timer: S1714024998.817197,VS0,VE0

Certificate:
    Data:
        Version: 3 (0x2)
        Serial Number:
            03:e4:0b:c5:f7:d1:72:91:a5:b2:49:91:c1:19:fa:39:bc:c0
        Signature Algorithm: sha256WithRSAEncryption
        Issuer: C=US, O=Let's Encrypt, CN=R3
        Validity
            Not Before: Mar 18 05:35:59 2024 GMT
            Not After : Jun 16 05:35:58 2024 GMT
        Subject: CN=*.springer.com
        Subject Public Key Info:
            Public Key Algorithm: rsaEncryption
                Public-Key: (2048 bit)
                Modulus:
                    00:e2:b6:b1:1a:ac:31:1d:d3:2e:f7:fd:a6:23:ca:
                    6f:3e:5a:ae:fd:97:29:02:91:d9:62:d8:56:98:89:
                    61:11:6d:6a:93:60:2d:df:ff:f2:18:b5:b3:4a:12:
                    6f:cb:6a:70:04:f1:66:ac:3f:f4:0f:c5:22:92:7e:
                    db:c9:dc:1e:7c:84:34:61:9c:56:b7:15:0a:8d:62:
                    e7:03:36:f1:dd:62:81:43:d3:34:06:d0:db:db:62:
                    1d:0e:49:a3:9a:a0:28:f0:5b:61:dc:da:fa:4e:30:
                    ae:10:67:3a:b3:f8:d5:5c:73:93:38:8d:e3:b9:a8:
                    fb:e9:05:b3:a3:be:34:96:95:d6:7b:49:59:a8:59:
                    07:1f:5e:72:a1:4a:f7:55:de:65:58:6c:dc:34:85:
                    11:cf:91:ac:1c:ad:8a:83:19:36:90:e0:b1:34:d7:
                    b6:4a:90:ab:9c:c9:da:b2:2a:2b:40:3c:fe:b9:70:
                    d5:39:08:03:45:a4:eb:87:57:ff:27:30:58:45:a7:
                    86:36:a0:be:57:2f:21:eb:02:89:0d:f9:d2:3b:9a:
                    cd:4b:ee:15:8b:3a:ee:ad:60:e8:6a:93:fc:1a:16:
                    f0:f4:72:2a:c8:c5:b0:41:b4:8e:2f:a7:7a:10:f2:
                    52:16:01:41:d0:ce:19:25:16:99:65:6d:e9:6c:4c:
                    f9:13
                Exponent: 65537 (0x10001)
        X509v3 extensions:
            X509v3 Key Usage: critical
                Digital Signature, Key Encipherment
            X509v3 Extended Key Usage: 
                TLS Web Server Authentication, TLS Web Client Authentication
            X509v3 Basic Constraints: critical
                CA:FALSE
            X509v3 Subject Key Identifier: 
                DE:19:91:D3:EC:16:B6:80:45:75:01:9F:A3:8E:9D:35:06:36:78:B6
            X509v3 Authority Key Identifier: 
                14:2E:B3:17:B7:58:56:CB:AE:50:09:40:E6:1F:AF:9D:8B:14:C2:C6
            Authority Information Access: 
                OCSP - URI:http://r3.o.lencr.org
                CA Issuers - URI:http://r3.i.lencr.org/
            X509v3 Subject Alternative Name: 
                DNS:*.springer.com
            X509v3 Certificate Policies: 
                Policy: 2.23.140.1.2.1
            CT Precertificate SCTs: 
                Signed Certificate Timestamp:
                    Version   : v1 (0x0)
                    Log ID    : 3B:53:77:75:3E:2D:B9:80:4E:8B:30:5B:06:FE:40:3B:
                                67:D8:4F:C3:F4:C7:BD:00:0D:2D:72:6F:E1:FA:D4:17
                    Timestamp : Mar 18 06:35:59.234 2024 GMT
                    Extensions: none
                    Signature : ecdsa-with-SHA256
                                30:45:02:20:1B:F7:6F:DE:FF:CA:77:49:CD:41:C6:BD:
                                3C:44:23:91:29:48:2B:4F:EB:04:0A:81:F7:28:6D:A7:
                                EA:C4:AD:97:02:21:00:A4:1A:A9:ED:21:5F:31:35:8B:
                                DE:E4:4F:8F:23:2E:9B:8E:2A:F9:90:48:F9:3B:A0:9A:
                                4B:A5:E9:D3:C0:3F:3F
                Signed Certificate Timestamp:
                    Version   : v1 (0x0)
                    Log ID    : A2:E2:BF:D6:1E:DE:2F:2F:07:A0:D6:4E:6D:37:A7:DC:
                                65:43:B0:C6:B5:2E:A2:DA:B7:8A:F8:9A:6D:F5:17:D8
                    Timestamp : Mar 18 06:35:59.266 2024 GMT
                    Extensions: none
                    Signature : ecdsa-with-SHA256
                                30:46:02:21:00:FC:A2:E0:98:54:5C:F6:DE:CF:A6:23:
                                B9:4B:F8:0A:8D:2A:78:D2:7C:36:EA:0F:83:FC:97:49:
                                9E:D6:A9:2B:92:02:21:00:CA:46:F5:52:11:4D:F6:65:
                                A6:CF:32:CF:81:F9:C5:77:63:7D:26:FD:9A:53:7A:5C:
                                B3:DB:97:10:7C:2E:1C:16
    Signature Algorithm: sha256WithRSAEncryption
    Signature Value:
        4c:6e:c4:2d:93:17:31:11:42:cd:ee:b1:13:34:d6:c6:f6:ea:
        2b:45:3b:88:79:5b:fc:af:e0:2d:f2:6d:73:85:f1:cd:04:1b:
        fb:71:6e:f6:b0:da:4c:1e:3d:28:d1:d6:6e:87:9f:7f:8e:e9:
        f8:5c:ef:7b:eb:d9:8f:29:84:33:10:fe:fb:01:30:b1:08:d7:
        49:92:15:ec:5b:5a:a4:e7:a0:97:94:f0:8d:ae:9a:43:38:af:
        04:0d:04:45:b2:32:10:f4:54:53:0e:2a:a5:bd:22:09:73:6e:
        94:31:79:f0:77:77:6f:f3:c4:c0:3d:16:62:5a:54:f3:87:33:
        b0:a6:0e:3b:bc:ca:d5:91:6e:ba:3c:c7:d8:5a:ed:9e:f5:62:
        77:02:3d:ee:6e:bf:d3:e5:6d:30:a1:34:2c:55:4f:46:33:d3:
        ca:32:14:7b:56:15:74:c0:7a:3a:46:c1:24:a2:aa:f0:e9:26:
        e4:6c:11:81:e1:68:56:65:18:9d:eb:e0:e2:fb:4b:3f:45:e6:
        12:56:c7:a0:c3:e7:30:e1:8a:3d:87:6d:a6:d9:49:85:4d:d9:
        73:9e:8b:32:d0:90:31:9d:36:79:70:dc:6b:98:63:67:4b:89:
        18:2b:43:9b:0b:b3:8e:ee:a4:70:42:c8:bc:e1:60:5b:cd:9c:
        57:18:2a:54