Postfix smtpd

220 snu ESMTP Postfix (Ubuntu)
250-snu
250-PIPELINING
250-SIZE 10240000
250-VRFY
250-ETRN
250-STARTTLS
250-ENHANCEDSTATUSCODES
250-8BITMIME
250-DSN
250 CHUNKING

Certificate:
    Data:
        Version: 3 (0x2)
        Serial Number:
            3d:94:59:53:f8:24:e2:2f:38:29:3b:e3:b9:91:8d:59:f1:12:97:07
        Signature Algorithm: sha256WithRSAEncryption
        Issuer: CN=snu
        Validity
            Not Before: Feb  2 07:27:38 2023 GMT
            Not After : Jan 30 07:27:38 2033 GMT
        Subject: CN=snu
        Subject Public Key Info:
            Public Key Algorithm: rsaEncryption
                Public-Key: (2048 bit)
                Modulus:
                    00:9a:15:f2:53:51:df:fb:c5:8e:c4:99:73:f4:53:
                    65:2d:09:45:23:24:71:de:be:7d:53:e1:07:86:7b:
                    89:fe:d2:b7:78:0a:b0:4e:5f:a7:8d:63:ed:80:2d:
                    2b:99:43:1f:75:9d:c6:10:b3:9f:82:18:cd:6d:46:
                    25:42:f9:e8:9a:b4:cb:5b:96:a4:d2:cf:07:60:cc:
                    a0:cc:7e:eb:ec:3b:89:81:a6:ca:7e:5d:81:0c:f6:
                    b8:08:92:5d:5a:e7:79:6c:55:eb:25:d1:43:9d:72:
                    70:b7:1c:3e:37:bc:8b:32:85:9d:b5:23:0c:60:5e:
                    6a:1d:8e:9f:6b:05:ca:1d:df:01:3d:b2:fa:ee:f3:
                    91:19:c2:db:a5:44:af:e3:32:5b:37:6a:f7:dd:eb:
                    d2:63:a3:b4:f9:a3:27:14:98:50:ad:25:36:2c:70:
                    69:ca:33:d0:f0:db:98:71:16:12:8a:b9:ae:ad:f6:
                    58:cb:51:2a:76:fe:ae:64:a3:9b:4d:83:14:57:32:
                    29:01:94:c2:ca:4a:6e:d7:fb:c6:e4:f1:8c:f3:78:
                    c0:72:2c:93:fe:09:98:3c:51:b7:7d:28:fe:0f:91:
                    24:77:40:c1:ce:78:93:71:7a:e4:78:b0:4f:f8:ac:
                    55:08:b8:e6:b9:3b:c7:2e:67:1a:a2:78:91:22:8f:
                    4f:01
                Exponent: 65537 (0x10001)
        X509v3 extensions:
            X509v3 Basic Constraints: 
                CA:FALSE
            X509v3 Subject Alternative Name: 
                DNS:snu
            X509v3 Subject Key Identifier: 
                BF:E2:AC:87:25:62:03:CA:71:1C:66:72:81:48:E7:97:9F:E7:F9:88
    Signature Algorithm: sha256WithRSAEncryption
    Signature Value:
        54:5f:c2:42:6a:51:ae:7e:9a:46:eb:6a:28:70:fa:c5:d7:bb:
        0f:5c:47:dc:cc:75:18:e4:d5:7a:2b:7f:d5:f8:b5:14:a8:66:
        17:d6:b9:7a:34:47:10:44:09:2b:89:56:9a:09:36:49:58:50:
        f4:3d:bd:60:f3:bc:cc:0e:55:a5:37:0f:dc:1a:b3:a6:b7:0a:
        a8:1d:b7:e8:f0:01:96:ce:b6:b7:9d:64:e2:7e:16:f1:b9:75:
        25:f7:1a:91:6f:c4:3b:97:db:2f:24:bb:12:f2:c2:63:55:70:
        9b:78:54:7b:9e:29:b2:6b:37:30:f7:e8:78:81:cb:6a:79:c5:
        b1:29:48:ca:16:ff:2b:89:68:25:41:b5:f0:23:92:a5:33:10:
        0f:23:81:b1:70:c1:b0:0e:74:0c:cb:bd:7f:6d:d5:13:ec:40:
        2c:cf:c7:be:d0:c9:05:63:64:9f:38:1c:ba:86:f8:dc:76:e5:
        61:cf:87:1d:69:98:fb:0a:aa:ce:25:18:79:74:e7:e1:60:fd:
        a2:0e:cc:d8:00:d6:d7:50:c0:8a:4f:86:3f:28:dd:62:b6:e5:
        6d:43:24:67:28:30:34:3c:d2:20:24:9f:7b:bc:5a:e8:9d:b8:
        c8:58:19:4e:c2:49:c9:d3:0e:e7:59:45:c7:7b:93:92:ab:91:
        d1:09:38:da

Apache httpd

HTTP/1.1 301 Moved Permanently
Date: Sat, 29 Mar 2025 08:19:19 GMT
Server: Apache
Location: https://147.47.206.21/
Content-Length: 230
Content-Type: text/html; charset=iso-8859-1

Apache httpd

서울대학교 경영대학

HTTP/1.1 200 OK
Date: Sat, 29 Mar 2025 08:19:22 GMT
Server: Apache
Set-Cookie: THESESSID=tank3cpvlqhrav7ht7srpq91o8; path=/; domain=.snu.ac.kr
Expires: Thu, 19 Nov 1981 08:52:00 GMT
Cache-Control: no-store, no-cache, must-revalidate
Pragma: no-cache
Vary: Accept-Encoding
Transfer-Encoding: chunked
Content-Type: text/html; charset=EUC-KR

Certificate:
    Data:
        Version: 3 (0x2)
        Serial Number:
            3e:9b:e1:4c:6d:a4:c4:6d:76:0e:d7:68
        Signature Algorithm: sha256WithRSAEncryption
        Issuer: C=BE, O=GlobalSign nv-sa, CN=GlobalSign RSA OV SSL CA 2018
        Validity
            Not Before: Jun 10 02:37:56 2024 GMT
            Not After : Jul 12 02:37:55 2025 GMT
        Subject: C=KR, ST=Seoul, L=Gwanak-gu, O=SEOUL NATIONAL UNIVERSITY, CN=*.snu.ac.kr
        Subject Public Key Info:
            Public Key Algorithm: rsaEncryption
                Public-Key: (2048 bit)
                Modulus:
                    00:de:51:bc:c2:81:bd:cd:4a:2f:03:9c:59:27:29:
                    30:8b:11:78:30:58:07:dd:c8:7d:74:d2:f4:12:80:
                    f5:b7:a1:3f:cf:62:a2:3a:7e:86:77:55:d1:ed:55:
                    49:ff:7f:7a:30:fd:dc:d4:e6:51:3b:c9:14:e4:fd:
                    3e:b8:ee:85:81:09:d1:9d:a8:04:15:8c:78:dd:ca:
                    3a:81:d3:b4:2e:70:c0:eb:7c:53:18:b0:69:fe:39:
                    cd:1c:88:6e:5b:73:85:b6:b9:6d:d5:ea:7e:bb:e0:
                    a8:4d:40:ec:2a:3a:fa:33:72:11:65:59:83:78:82:
                    19:d7:68:01:88:65:cf:e7:db:6d:92:b0:f7:0a:63:
                    2e:78:8d:26:b5:58:25:65:61:8c:46:89:2f:ef:21:
                    8d:1a:3b:86:97:5d:a9:f7:9c:ca:f9:8c:19:1f:49:
                    56:e7:8f:d2:cd:cf:fc:bd:b7:f9:4e:79:3d:39:e0:
                    a5:cd:9c:c5:1b:c1:20:73:20:ad:ed:4b:80:e7:e2:
                    04:51:6a:3c:a6:c7:e0:11:0f:6e:f0:e8:95:92:0d:
                    c5:91:dd:ab:42:cf:91:e3:1c:46:0b:78:cc:f1:0b:
                    17:ab:5f:29:2a:54:ec:7f:53:fe:f6:34:05:8a:fd:
                    82:5b:31:a3:06:f5:9e:30:a5:ff:f5:98:18:56:4d:
                    ba:b1
                Exponent: 65537 (0x10001)
        X509v3 extensions:
            X509v3 Key Usage: critical
                Digital Signature, Key Encipherment
            X509v3 Basic Constraints: critical
                CA:FALSE
            Authority Information Access: 
                CA Issuers - URI:http://secure.globalsign.com/cacert/gsrsaovsslca2018.crt
                OCSP - URI:http://ocsp.globalsign.com/gsrsaovsslca2018
            X509v3 Certificate Policies: 
                Policy: 1.3.6.1.4.1.4146.1.20
                  CPS: https://www.globalsign.com/repository/
                Policy: 2.23.140.1.2.2
            X509v3 CRL Distribution Points: 
                Full Name:
                  URI:http://crl.globalsign.com/gsrsaovsslca2018.crl
            X509v3 Subject Alternative Name: 
                DNS:*.snu.ac.kr, DNS:snu.ac.kr
            X509v3 Extended Key Usage: 
                TLS Web Server Authentication, TLS Web Client Authentication
            X509v3 Authority Key Identifier: 
                F8:EF:7F:F2:CD:78:67:A8:DE:6F:8F:24:8D:88:F1:87:03:02:B3:EB
            X509v3 Subject Key Identifier: 
                24:61:64:BF:1A:B9:D7:3A:AA:8C:F0:61:E6:37:5D:38:97:78:89:F4
            CT Precertificate SCTs: 
                Signed Certificate Timestamp:
                    Version   : v1 (0x0)
                    Log ID    : 12:F1:4E:34:BD:53:72:4C:84:06:19:C3:8F:3F:7A:13:
                                F8:E7:B5:62:87:88:9C:6D:30:05:84:EB:E5:86:26:3A
                    Timestamp : Jun 10 02:37:58.799 2024 GMT
                    Extensions: none
                    Signature : ecdsa-with-SHA256
                                30:45:02:20:1B:9E:E3:59:31:39:50:B4:BD:D6:DC:10:
                                D5:55:1C:77:34:04:4B:75:83:24:2C:10:AF:54:38:2A:
                                5C:B5:05:7E:02:21:00:FF:88:BE:05:65:3B:C7:EA:65:
                                F7:F8:B1:55:3F:C1:6B:F7:AD:92:A1:C1:16:1C:B3:55:
                                33:34:BF:2F:FD:25:A8
                Signed Certificate Timestamp:
                    Version   : v1 (0x0)
                    Log ID    : 0D:E1:F2:30:2B:D3:0D:C1:40:62:12:09:EA:55:2E:FC:
                                47:74:7C:B1:D7:E9:30:EF:0E:42:1E:B4:7E:4E:AA:34
                    Timestamp : Jun 10 02:37:58.833 2024 GMT
                    Extensions: none
                    Signature : ecdsa-with-SHA256
                                30:45:02:21:00:94:7F:B1:93:3B:C7:70:8C:76:0A:FB:
                                4F:CA:54:0E:7E:C9:6D:51:63:46:B9:4E:7B:4F:B2:90:
                                15:69:AA:5D:BD:02:20:10:45:3F:C6:02:89:F0:FD:DC:
                                9C:61:9D:00:5C:CE:7A:C0:BC:E7:38:11:A9:76:A7:F7:
                                52:C5:43:E1:EE:2C:A4
                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 : Jun 10 02:37:58.834 2024 GMT
                    Extensions: none
                    Signature : ecdsa-with-SHA256
                                30:45:02:20:44:BD:5B:2E:EB:28:20:99:DD:C0:65:12:
                                F0:7C:3B:49:60:73:83:5A:55:92:00:38:2B:38:09:8E:
                                82:7E:84:CB:02:21:00:B6:2B:6A:4E:FB:96:E2:A2:61:
                                F5:CD:1E:00:AA:05:47:FE:3A:D6:8D:B3:D2:57:09:86:
                                9C:64:33:35:6A:56:6D
    Signature Algorithm: sha256WithRSAEncryption
    Signature Value:
        48:ba:51:1d:d7:0e:14:d7:b7:be:d1:2a:9e:83:56:5f:5f:e4:
        19:68:c9:ca:f2:ee:cc:55:3c:24:5a:d2:4f:5a:5b:cd:77:7f:
        b9:b6:a0:b6:dd:a0:6c:fa:ca:ef:1c:60:23:28:83:4e:21:df:
        b6:75:c1:b9:64:f2:96:e1:fd:bf:58:76:87:b6:00:47:52:4e:
        01:dd:35:02:a8:7f:8d:8c:20:23:5c:f9:0c:e0:dc:75:29:ec:
        f5:27:30:a2:f4:65:b1:76:8e:2b:30:6c:bf:c6:0e:93:a5:e6:
        b6:3e:7c:a9:ed:2b:71:98:bf:6a:f6:0c:33:19:ae:e6:7a:5a:
        b0:3f:f2:c7:28:b8:97:77:88:16:03:63:bf:9c:48:fe:34:c1:
        f9:e4:45:c9:72:ba:cd:fe:d8:20:1e:1d:14:49:da:2a:4a:41:
        8d:7d:91:26:ee:ac:f3:e6:ac:f5:cf:b5:d3:37:a0:a8:48:76:
        5c:95:ef:70:c6:8f:79:a7:ec:1e:04:52:64:0a:09:2c:89:de:
        d2:34:a3:ee:03:dc:48:37:2e:f8:a7:8c:ca:a5:e6:84:92:de:
        d9:2f:fb:ce:3a:8d:61:e4:a3:ec:6e:f3:04:95:ca:3e:2a:77:
        05:1e:48:3c:ae:02:20:6c:68:2c:6a:fb:10:12:de:a4:9b:5a:
        40:b6:a5:ba