duo.vn

HTTP headers, basic IP, and SSL information:

HTTP/1.1 301 Moved Permanently
Server: nginx
Date: Tue, 03 Oct 2023 04:32:58 GMT
Content-Type: text/html
Content-Length: 169
Connection: keep-alive
Location: https://duo.vn/
X-Upstream: 172.16.3.18
X-Backend: duo.vn

HTTP/1.1 200 OK
Server: nginx
Date: Tue, 03 Oct 2023 04:32:59 GMT
Content-Type: text/html; charset=UTF-8
Transfer-Encoding: chunked
Connection: keep-alive
Vary: Accept-Encoding
Cache-Control: no-cache, private
X-Upstream: 172.16.3.18
X-Backend: duo.vn
Strict-Transport-Security: max-age=0

SSL Certificate Registration

Certificate:
    Data:
        Version: 3 (0x2)
        Serial Number:
            53:e5:19:06:e2:db:df:32:95:2e:b4:b7:9b:1a:96:df
    Signature Algorithm: sha256WithRSAEncryption
        Issuer: C=GB, ST=Greater Manchester, L=Salford, O=Sectigo Limited, CN=Sectigo RSA Domain Validation Secure Server CA
        Validity
            Not Before: Oct 24 00:00:00 2022 GMT
            Not After : Oct 24 23:59:59 2023 GMT
        Subject: CN=duo.vn
        Subject Public Key Info:
            Public Key Algorithm: rsaEncryption
                Public-Key: (2048 bit)
                Modulus:
                    00:b9:70:21:10:69:4e:3e:45:7f:7a:85:5d:02:4c:
                    e2:65:a7:5b:65:d0:83:66:ae:24:22:4e:5d:c7:5d:
                    aa:52:05:f2:ba:5f:6b:bb:3f:d0:b0:4a:34:78:ef:
                    8b:bf:b2:d5:ba:49:88:1d:5e:00:b6:fe:9f:9b:52:
                    61:37:20:f7:4b:73:31:f0:7a:a8:3c:65:e5:e1:41:
                    5d:58:6f:1e:16:f4:b3:8a:56:34:07:46:2c:09:ad:
                    21:0b:91:93:b2:bc:ce:5f:a4:78:47:44:5e:6f:42:
                    0b:66:a7:cc:b9:24:21:b2:38:37:ac:2a:62:42:00:
                    c7:c6:42:5a:8e:a7:8c:8a:8d:0c:70:58:ad:e5:50:
                    f4:01:97:dc:9c:40:c0:42:a9:cc:73:2a:71:be:e2:
                    46:34:16:f3:84:5b:f2:3c:d6:60:e0:97:31:60:70:
                    b8:93:78:46:3a:11:2d:2c:23:d4:66:94:c5:a5:52:
                    15:ee:3f:25:b9:1c:76:23:f0:4a:70:d0:d2:88:50:
                    f1:04:2f:93:57:bc:44:fe:f6:cd:29:a4:36:40:17:
                    54:24:1d:71:c6:93:34:27:95:f2:46:f0:9b:fa:55:
                    5f:c5:f8:5b:57:9b:54:8d:20:56:bb:fb:0c:84:d8:
                    0e:a5:a6:48:8e:3c:87:8b:ab:06:a7:51:92:98:0f:
                    51:ad
                Exponent: 65537 (0x10001)
        X509v3 extensions:
            X509v3 Authority Key Identifier: 
                keyid:8D:8C:5E:C4:54:AD:8A:E1:77:E9:9B:F9:9B:05:E1:B8:01:8D:61:E1

            X509v3 Subject Key Identifier: 
                C7:66:BC:A5:A0:52:16:8A:10:88:35:1D:CC:C1:9E:72:96:42:5B:0D
            X509v3 Key Usage: critical
                Digital Signature, Key Encipherment
            X509v3 Basic Constraints: critical
                CA:FALSE
            X509v3 Extended Key Usage: 
                TLS Web Server Authentication, TLS Web Client Authentication
            X509v3 Certificate Policies: 
                Policy: 1.3.6.1.4.1.6449.1.2.2.7
                  CPS: https://sectigo.com/CPS
                Policy: 2.23.140.1.2.1

            Authority Information Access: 
                CA Issuers - URI:http://crt.sectigo.com/SectigoRSADomainValidationSecureServerCA.crt
                OCSP - URI:http://ocsp.sectigo.com

            X509v3 Subject Alternative Name: 
                DNS:duo.vn, DNS:www.duo.vn
            CT Precertificate SCTs: 
                Signed Certificate Timestamp:
                    Version   : v1(0)
                    Log ID    : AD:F7:BE:FA:7C:FF:10:C8:8B:9D:3D:9C:1E:3E:18:6A:
                                B4:67:29:5D:CF:B1:0C:24:CA:85:86:34:EB:DC:82:8A
                    Timestamp : Oct 24 04:01:25.917 2022 GMT
                    Extensions: none
                    Signature : ecdsa-with-SHA256
                                30:44:02:20:2B:5F:60:98:8A:9F:40:B1:73:C9:9B:D3:
                                95:44:75:EB:BE:94:F6:2C:40:2F:F9:04:91:9E:35:D2:
                                06:BB:DF:9A:02:20:7D:8C:44:24:C0:66:E6:2C:18:6F:
                                7F:8F:76:A0:28:40:21:AA:AB:10:49:20:8C:C8:7C:6B:
                                23:E2:2C:0B:04:26
                Signed Certificate Timestamp:
                    Version   : v1(0)
                    Log ID    : 7A:32:8C:54:D8:B7:2D:B6:20:EA:38:E0:52:1E:E9:84:
                                16:70:32:13:85:4D:3B:D2:2B:C1:3A:57:A3:52:EB:52
                    Timestamp : Oct 24 04:01:25.922 2022 GMT
                    Extensions: none
                    Signature : ecdsa-with-SHA256
                                30:44:02:20:1A:B3:89:EB:18:3D:D9:C2:53:C6:73:09:
                                C2:F8:48:D1:E8:73:DF:23:8F:A8:8A:91:0A:1F:F4:06:
                                D0:FB:CC:41:02:20:20:86:08:81:73:10:1D:6A:20:F2:
                                02:8E:4A:6A:37:1A:FC:68:13:C8:E8:7D:4F:B7:31:23:
                                4F:24:71:FC:69:45
                Signed Certificate Timestamp:
                    Version   : v1(0)
                    Log ID    : E8:3E:D0:DA:3E:F5:06:35:32:E7:57:28:BC:89:6B:C9:
                                03:D3:CB:D1:11:6B:EC:EB:69:E1:77:7D:6D:06:BD:6E
                    Timestamp : Oct 24 04:01:25.888 2022 GMT
                    Extensions: none
                    Signature : ecdsa-with-SHA256
                                30:45:02:21:00:FC:AB:50:AD:BC:78:79:92:33:3F:29:
                                8E:60:7E:8C:F5:63:90:D8:55:1C:8F:5B:C8:84:A1:A2:
                                CF:BB:87:95:2D:02:20:3F:33:D0:C7:6E:B4:A3:40:38:
                                1D:03:0D:8C:23:85:4F:9E:57:8C:46:DE:2C:CE:66:9A:
                                8C:14:98:FB:E2:70:7A
    Signature Algorithm: sha256WithRSAEncryption
         0c:51:1b:ab:94:64:86:6d:31:10:e0:0e:78:2d:b0:0f:71:66:
         24:ce:03:36:a8:aa:47:6d:66:c3:0f:69:3f:6b:ad:64:51:0f:
         68:16:b7:f6:b3:62:23:d9:7d:71:36:50:f7:a3:74:15:0a:d8:
         69:0e:93:7e:49:42:2b:34:ff:bb:d2:ff:3b:6e:86:e4:11:37:
         df:3d:61:c8:41:43:26:f6:ae:8d:fc:5d:6b:34:5c:1f:bf:8f:
         21:81:42:c6:31:a2:71:3d:49:e7:35:26:9b:c8:79:d2:19:6b:
         2a:66:a8:7e:3f:c8:06:20:78:93:df:bb:bf:63:06:36:9d:25:
         9d:dc:42:5e:ee:5e:8f:17:60:db:4c:fd:9c:e2:2b:86:e4:74:
         c6:ce:03:64:4d:26:b9:dc:40:24:04:07:e8:19:52:c4:bc:fd:
         d9:dc:d7:c0:51:4d:2f:68:9a:49:ae:33:b0:56:dc:6d:1c:2a:
         a4:e7:46:7d:88:b2:99:af:f3:13:62:0d:d1:df:84:07:a0:80:
         69:93:99:88:26:3b:b8:92:5a:f2:3a:2c:94:ce:09:b0:fd:d2:
         75:41:7e:7e:c3:c8:13:87:42:69:44:0a:a7:48:6d:72:1d:eb:
         89:d2:52:fe:d1:41:d0:0e:67:88:ee:ae:ea:f7:09:12:7f:98:
         c1:2d:9b:6c

DNS Rank uses global DNS query popularity to provide a daily rank of the top 1 million websites (DNS hostnames) from 1 (most popular) to 1,000,000 (least popular). From the latest DNS analytics, duo.vn scored 976010 on 2020-10-06.

Alexa Traffic Rank [duo.vn]	Alexa Search Query Volume

whois:3.043

NS Record

A Record

MX Record

TXT Record

DNS Authority