220-kujira.kappe.ne.jp ESMTP
250-kujira.kappe.ne.jp
250-SIZE 51200000
250-ETRN
250-STARTTLS
250-ENHANCEDSTATUSCODES
250-8BITMIME
250 DSN

Certificate:
    Data:
        Version: 3 (0x2)
        Serial Number:
            03:aa:70:1c:d0:0e:ca:7d:9d:71:c6:35:7a:ff:40:45:f3:4b
        Signature Algorithm: sha256WithRSAEncryption
        Issuer: C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3
        Validity
            Not Before: Sep 17 16:22:08 2018 GMT
            Not After : Dec 16 16:22:08 2018 GMT
        Subject: CN=kujira.kappe.ne.jp
        Subject Public Key Info:
            Public Key Algorithm: rsaEncryption
                Public-Key: (2048 bit)
                Modulus:
                    00:c2:67:84:34:ca:33:a7:b5:c6:76:a9:1e:dd:6e:
                    80:46:e1:88:82:d3:43:f7:ad:2e:e9:84:8f:d5:5a:
                    11:8f:bd:93:71:ac:95:f5:b1:46:0f:b1:9d:23:ae:
                    a8:d7:63:c5:c0:69:b1:81:cd:74:e2:9e:9a:72:97:
                    a1:25:3f:42:a8:65:87:2b:87:2f:60:c3:e8:fd:64:
                    37:cb:df:62:83:97:42:bb:55:1a:7d:cc:fd:cf:bb:
                    1d:6f:60:bf:b7:37:02:08:19:60:ba:2e:9a:b4:f3:
                    62:88:4a:cd:89:8a:c9:91:db:a3:7e:62:b4:4a:23:
                    d9:0c:77:ca:9b:69:37:a0:b4:6b:48:ed:b5:12:b2:
                    82:6e:e4:24:dd:df:f1:d5:23:59:45:c4:88:d4:ab:
                    2a:a0:02:6a:17:d0:ce:78:b0:2d:0f:32:1d:da:c7:
                    5f:f4:c2:36:75:5a:c9:95:a6:2f:e8:c1:29:d9:e1:
                    d5:ba:1c:58:ce:7d:9f:48:44:7e:8f:35:f3:85:56:
                    b7:b2:09:00:08:90:e5:2d:ae:57:19:4f:24:a3:4e:
                    ac:49:88:f3:37:4e:c6:aa:db:76:a9:23:53:04:2c:
                    74:74:c8:7c:bb:14:b0:42:4a:76:8c:4e:df:e7:f2:
                    9a:0b:03:11:20:a9:f5:76:7e:62:aa:49:24:8e:2f:
                    95:93
                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: 
                97:82:42:4B:1C:67:01:27:3A:6D:F9:28:B1:DD:08:77:2D:F5:E6:7E
            X509v3 Authority Key Identifier: 
                A8:4A:6A:63:04:7D:DD:BA:E6:D1:39:B7:A6:45:65:EF:F3:A8:EC:A1
            Authority Information Access: 
                OCSP - URI:http://ocsp.int-x3.letsencrypt.org
                CA Issuers - URI:http://cert.int-x3.letsencrypt.org/
            X509v3 Subject Alternative Name: 
                DNS:kujira.kappe.ne.jp
            X509v3 Certificate Policies: 
                Policy: 2.23.140.1.2.1
                Policy: 1.3.6.1.4.1.44947.1.1.1
                  CPS: http://cps.letsencrypt.org
                  User Notice:
                    Explicit Text: This Certificate may only be relied upon by Relying Parties and only in accordance with the Certificate Policy found at https://letsencrypt.org/repository/
            CT Precertificate SCTs: 
                Signed Certificate Timestamp:
                    Version   : v1 (0x0)
                    Log ID    : 55:81:D4:C2:16:90:36:01:4A:EA:0B:9B:57:3C:53:F0:
                                C0:E4:38:78:70:25:08:17:2F:A3:AA:1D:07:13:D3:0C
                    Timestamp : Sep 17 17:22:08.480 2018 GMT
                    Extensions: none
                    Signature : ecdsa-with-SHA256
                                30:44:02:1F:19:D8:4A:EA:26:4E:E9:9F:59:FC:60:0B:
                                4C:D1:4E:60:0B:10:D6:C1:BB:0A:4E:02:64:98:66:C2:
                                56:35:EE:02:21:00:C5:77:41:7D:25:18:A6:58:97:81:
                                A7:54:C0:EA:F4:8E:A2:E9:DB:50:D1:1D:9F:D4:D6:BD:
                                06:41:65:3F:0D:8B
                Signed Certificate Timestamp:
                    Version   : v1 (0x0)
                    Log ID    : A4:50:12:69:05:5A:15:54:5E:62:11:AB:37:BC:10:3F:
                                62:AE:55:76:A4:5E:4B:17:14:45:3E:1B:22:10:6A:25
                    Timestamp : Sep 17 17:22:08.115 2018 GMT
                    Extensions: none
                    Signature : ecdsa-with-SHA256
                                30:45:02:20:2D:55:41:9D:26:F5:DC:81:B3:AC:41:B5:
                                0D:96:4B:A7:84:32:BC:E0:81:64:E5:4C:E7:49:95:6A:
                                84:41:7D:81:02:21:00:E7:59:93:E1:0B:02:C9:2B:6C:
                                C3:9A:64:83:7F:1B:94:E7:98:7E:5B:7B:01:B3:B7:4F:
                                77:B7:79:61:C5:08:6D
    Signature Algorithm: sha256WithRSAEncryption
    Signature Value:
        28:de:75:e2:dd:fd:ce:8a:d9:8c:85:4b:cf:53:ab:42:2e:f1:
        82:a5:1a:99:85:48:46:86:f9:f2:68:d2:4f:f5:9e:19:a5:bc:
        07:33:3b:e0:ca:83:9e:57:74:eb:d5:cb:15:32:4b:48:41:d8:
        48:e0:cf:f8:fb:83:57:ce:10:d2:f1:40:5e:0e:2f:70:e1:9e:
        31:ec:22:ab:9e:42:24:b3:b0:1d:e4:15:27:18:fc:a1:29:c9:
        c7:45:f7:ff:a7:18:99:08:67:de:85:60:de:0a:36:1d:5d:f6:
        92:8c:eb:7f:f2:a6:5c:27:84:ab:8f:09:88:70:52:93:c9:38:
        e7:d8:86:af:95:9f:8a:1e:fd:5e:c8:51:58:f0:be:ab:34:42:
        c4:c2:25:ec:4c:a4:62:a4:5d:50:7c:dd:94:c6:38:66:74:b3:
        53:87:24:9c:ea:80:79:4b:a9:c3:70:09:d7:1e:fb:6c:76:6d:
        22:ac:5e:a4:a2:1d:6d:8f:af:5f:16:3b:34:74:45:5f:b8:48:
        20:28:7c:d1:43:05:00:d2:9c:1d:9e:31:8f:c4:1a:9a:c8:f4:
        25:92:19:86:67:fd:d7:fb:00:4e:d0:f2:24:f0:d2:ac:d9:6f:
        62:0a:88:a3:52:f6:15:a7:ad:34:6a:4c:72:bf:74:c5:f6:88:
        de:1b:6f:ab

Resolver name: kujira.kappe.ne.jp