Namecheap.com

SSL Checker

Submit the Hostname and Port in the fields below. This checker supports SNI and STARTTLS.

Report

Hostname: Matches Common Name or/and SAN
Expired: No (162 days till expiration)
Public Key: We were unable to find any issues in the public key of end-entity certificate
Trusted: Yes, we were able to verify the certificate
Self-Signed: No, the end-entity certificate is not self-signed
Chain Issues: The order of certificates is invalid or certificates cannot build certification path
Weak signatures: No, certificates sent by the server were not signed utilizing a weak hash function
OCSP Status: OCSP Responder returned "good" status for the end-entity certificate

DNS Information

Resolves To: 49.213.110.87
Reverse IP lookup: No records found
Nameserver: benedict.ns.cloudflare.com.
Nameserver: sarah.ns.cloudflare.com.

General Information

Common Name: *.giaoduc.net.vn
SANs: DNS:*.giaoduc.net.vnDNS:giaoduc.net.vn Total number of SANs: 2
Signature Algorithm: sha256WithRSAEncryption
Key Type: RSA
Key size: 2048 bits
Serial Number: 70e3528f1c98ef66fe72c1a07483c15
Not Before: Apr 10, 2021 00:00:00 GMT
Not After: May 11, 2022 23:59:59 GMT
Number of certs: 5
Revocation Status: good
OCSP Stapling: Not Supported
Server: nginx
HSTS: Not Supported
HPKP: Not Supported

Chain Information

Certificate # 1 - Common Name: *.giaoduc.net.vn

Decode this certificate for verbose information →
Subject Common Name *.giaoduc.net.vn
Issuer Common Name RapidSSL TLS DV RSA Mixed SHA256 2020 CA-1
Issuer Organization DigiCert Inc
Not Before: Apr 10, 2021 00:00:00 GMT
Not After: May 11, 2022 23:59:59 GMT
Signature Algorithm: sha256WithRSAEncryption
Serial Number: 70e3528f1c98ef66fe72c1a07483c15
SHA1 Fingerprint: E6:B0:7F:CB:71:B9:79:2C:D4:1B:07:21:77:99:78:C7:16:2C:05:DF
MD5 Fingerprint: 8D:78:B5:B3:4F:A9:3D:96:98:97:2B:B1:F6:13:6E:8A

Certificate # 2 - Common Name: DigiCert Global Root CA

Decode this certificate for verbose information →
In place? No, this certificate does not directly certify the preceding one
Subject Common Name DigiCert Global Root CA
Subject Organization DigiCert Inc
Issuer Common Name DigiCert Global Root CA
Issuer Organization DigiCert Inc
Not Before: Nov 10, 2006 00:00:00 GMT
Not After: Nov 10, 2031 00:00:00 GMT
Signature Algorithm: sha1WithRSAEncryption
Serial Number: 83be056904246b1a1756ac95991c74a
SHA1 Fingerprint: A8:98:5D:3A:65:E5:E5:C4:B2:D7:D6:6D:40:C6:DD:2F:B1:9C:54:36
MD5 Fingerprint: 79:E4:A9:84:0D:7D:3A:96:D7:C0:4F:E2:43:4C:89:2E

Certificate # 3 - Common Name: RapidSSL TLS DV RSA Mixed SHA256 2020 CA-1

Decode this certificate for verbose information →
In place? No, this certificate does not directly certify the preceding one
Subject Common Name RapidSSL TLS DV RSA Mixed SHA256 2020 CA-1
Subject Organization DigiCert Inc
Issuer Common Name DigiCert Global Root CA
Issuer Organization DigiCert Inc
Not Before: Jul 16, 2020 12:25:27 GMT
Not After: May 31, 2023 23:59:59 GMT
Signature Algorithm: sha256WithRSAEncryption
Serial Number: 7983603ade39908219ca00c27bc8a6c
SHA1 Fingerprint: 9B:D0:8A:58:87:6F:6C:84:9D:B6:BB:99:A8:B1:94:89:26:47:86:0E
MD5 Fingerprint: ED:DB:1D:20:C8:41:BF:F5:02:00:E1:FD:03:D3:6B:AA

Certificate # 4 - Common Name: RapidSSL TLS DV RSA Mixed SHA256 2020 CA-1

Decode this certificate for verbose information →
In place? No, this certificate does not directly certify the preceding one
Subject Common Name RapidSSL TLS DV RSA Mixed SHA256 2020 CA-1
Subject Organization DigiCert Inc
Issuer Common Name DigiCert Global Root CA
Issuer Organization DigiCert Inc
Not Before: Jul 16, 2020 12:25:27 GMT
Not After: May 31, 2023 23:59:59 GMT
Signature Algorithm: sha256WithRSAEncryption
Serial Number: 7983603ade39908219ca00c27bc8a6c
SHA1 Fingerprint: 9B:D0:8A:58:87:6F:6C:84:9D:B6:BB:99:A8:B1:94:89:26:47:86:0E
MD5 Fingerprint: ED:DB:1D:20:C8:41:BF:F5:02:00:E1:FD:03:D3:6B:AA

Certificate # 5 - Common Name: DigiCert Global Root CA

Decode this certificate for verbose information →
In place? Yes, this certificate directly certifies the preceding one
Subject Common Name DigiCert Global Root CA
Subject Organization DigiCert Inc
Issuer Common Name DigiCert Global Root CA
Issuer Organization DigiCert Inc
Not Before: Nov 10, 2006 00:00:00 GMT
Not After: Nov 10, 2031 00:00:00 GMT
Signature Algorithm: sha1WithRSAEncryption
Serial Number: 83be056904246b1a1756ac95991c74a
SHA1 Fingerprint: A8:98:5D:3A:65:E5:E5:C4:B2:D7:D6:6D:40:C6:DD:2F:B1:9C:54:36
MD5 Fingerprint: 79:E4:A9:84:0D:7D:3A:96:D7:C0:4F:E2:43:4C:89:2E

OpenSSL Handshake

depth=2 C = US, O = DigiCert Inc, OU = www.digicert.com, CN = DigiCert Global Root CA
verify return:1
depth=1 C = US, O = DigiCert Inc, CN = RapidSSL TLS DV RSA Mixed SHA256 2020 CA-1
verify return:1
depth=0 CN = *.giaoduc.net.vn
verify return:1
CONNECTED(00000003)
OCSP response: no response sent
---
Certificate chain
 0 s:/CN=*.giaoduc.net.vn
   i:/C=US/O=DigiCert Inc/CN=RapidSSL TLS DV RSA Mixed SHA256 2020 CA-1
-----BEGIN CERTIFICATE-----
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m04Didy8
-----END CERTIFICATE-----
 1 s:/C=US/O=DigiCert Inc/OU=www.digicert.com/CN=DigiCert Global Root CA
   i:/C=US/O=DigiCert Inc/OU=www.digicert.com/CN=DigiCert Global Root CA
-----BEGIN CERTIFICATE-----
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-----END CERTIFICATE-----
 2 s:/C=US/O=DigiCert Inc/CN=RapidSSL TLS DV RSA Mixed SHA256 2020 CA-1
   i:/C=US/O=DigiCert Inc/OU=www.digicert.com/CN=DigiCert Global Root CA
-----BEGIN CERTIFICATE-----
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-----END CERTIFICATE-----
 3 s:/C=US/O=DigiCert Inc/CN=RapidSSL TLS DV RSA Mixed SHA256 2020 CA-1
   i:/C=US/O=DigiCert Inc/OU=www.digicert.com/CN=DigiCert Global Root CA
-----BEGIN CERTIFICATE-----
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-----END CERTIFICATE-----
 4 s:/C=US/O=DigiCert Inc/OU=www.digicert.com/CN=DigiCert Global Root CA
   i:/C=US/O=DigiCert Inc/OU=www.digicert.com/CN=DigiCert Global Root CA
-----BEGIN CERTIFICATE-----
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gdW7jVg/tRvoSSiicNoxBN33shbyTApOB6jtSj1etX+jkMOvJwIDAQABo2MwYTAO
BgNVHQ8BAf8EBAMCAYYwDwYDVR0TAQH/BAUwAwEB/zAdBgNVHQ4EFgQUA95QNVbR
TLtm8KPiGxvDl7I90VUwHwYDVR0jBBgwFoAUA95QNVbRTLtm8KPiGxvDl7I90VUw
DQYJKoZIhvcNAQEFBQADggEBAMucN6pIExIK+t1EnE9SsPTfrgT1eXkIoyQY/Esr
hMAtudXH/vTBH1jLuG2cenTnmCmrEbXjcKChzUyImZOMkXDiqw8cvpOp/2PV5Adg
06O/nVsJ8dWO41P0jmP6P6fbtGbfYmbW0W5BjfIttep3Sp+dWOIrWcBAI+0tKIJF
PnlUkiaY4IBIqDfv8NZ5YBberOgOzW6sRBc4L0na4UU+Krk2U886UAb3LujEV0ls
YSEY1QSteDwsOoBrp+uvFRTp2InBuThs4pFsiv9kuXclVzDAGySj4dzp30d8tbQk
CAUw7C29C79Fv1C5qfPrmAESrciIxpg0X40KPMbp1ZWVbd4=
-----END CERTIFICATE-----
---
Server certificate
subject=/CN=*.giaoduc.net.vn
issuer=/C=US/O=DigiCert Inc/CN=RapidSSL TLS DV RSA Mixed SHA256 2020 CA-1
---
No client certificate CA names sent
Peer signing digest: SHA256
Server Temp Key: X25519, 253 bits
---
SSL handshake has read 6983 bytes and written 301 bytes
Verification: OK
---
New, TLSv1.2, Cipher is ECDHE-RSA-AES128-GCM-SHA256
Server public key is 2048 bit
Secure Renegotiation IS supported
Compression: NONE
Expansion: NONE
No ALPN negotiated
SSL-Session:
    Protocol  : TLSv1.2
    Cipher    : ECDHE-RSA-AES128-GCM-SHA256
    Session-ID: D6F5AD833771F1AD3F59B45A05CC44EAA914685AFFA07D01A85C5B04F63EB417
    Session-ID-ctx: 
    Master-Key: 031F5CFE4A64C4E9C7DA0B5109F8042DE9CAD4D6AD50B729F49980E8028318818B700493F669FA3B179F4CCD459B7288
    PSK identity: None
    PSK identity hint: None
    SRP username: None
    TLS session ticket lifetime hint: 3600 (seconds)
    TLS session ticket:
    0000 - 04 74 4a 32 47 9b 3c 6a-05 81 44 6d e6 c4 37 63   .tJ2G.<j..Dm..7c
    0010 - 9d e3 d1 22 57 d5 60 0c-52 a4 46 31 ad 91 0f a2   ..."W.`.R.F1....
    0020 - 66 2c 57 2e 0c e0 16 18-7b dc c0 d0 4b 06 1b 59   f,W.....{...K..Y
    0030 - 02 40 4b 96 50 b3 09 db-94 b9 19 8c 3a 18 61 f9   .@K.P.......:.a.
    0040 - a6 5c 8b 14 71 6c c5 97-96 5e 69 ee 4f 5d 93 8d   .\..ql...^i.O]..
    0050 - 61 fb 61 0e be 89 38 8b-dc 50 cd 06 18 0c 6b 8b   a.a...8..P....k.
    0060 - 6a 66 c9 16 90 db a8 84-23 11 ad 3e 41 1d 28 2f   jf......#..>A.(/
    0070 - 1f b7 f5 a8 e5 82 91 5b-31 db ed e6 e8 3d f7 66   .......[1....=.f
    0080 - e6 e0 71 f5 86 45 2f 8e-27 bf e1 7f 98 2b 9e d5   ..q..E/.'....+..
    0090 - 63 fe a2 30 9a 89 93 a0-a2 d6 ec 1c 38 31 7a 21   c..0........81z!
    00a0 - d7 ae ff 86 29 66 68 f4-98 de 02 e7 e7 1b 21 de   ....)fh.......!.
    00b0 - 22 4d da da 4d a9 ed 49-c6 1b c0 ab de d2 67 49   "M..M..I......gI

    Start Time: 1638256295
    Timeout   : 7200 (sec)
    Verify return code: 0 (ok)
    Extended master secret: yes
---
DONE