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SSL Checker SSL & CSR Decoder CSR Generator SSL Converter

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 (177 days till expiration)
Public Key: We were unable to find any issues in the public key of end-entity certificate
Trusted: We were unable to verify this certificate
Self-Signed: No, the end-entity certificate is not self-signed
Chain Issues: No, we were unable to detect any issues in the certificate chain sent by the server
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: 101.99.21.23
Reverse IP lookup: vietcombank.com.vn.
Nameserver: nsbak.dotvndns.com.
Nameserver: ns1.dotvndns.vn.
Nameserver: ns2.dotvndns.vn.

General Information

Common Name: *.vietcombank.com.vn
SANs: DNS:*.vietcombank.com.vnDNS:vietcombank.com.vn Total number of SANs: 2
Organization: JOINT STOCK COMMERCIAL BANK FOR FOREIGN TRADE OF VIETNAM
Locality: Hanoi
Signature Algorithm: sha256WithRSAEncryption
Key Type: RSA
Key size: 2048 bits
Serial Number: 63d7f7414c3212f5f890201f
Not Before: Sep 29, 2023 04:07:04 GMT
Not After: Oct 19, 2024 07:36:04 GMT
Number of certs: 2
Revocation Status: good
OCSP Stapling: Not Supported
Server: Not Provided
HSTS: includeSubDomains
HPKP: Not Supported

Chain Information

Certificate # 1 - Common Name: *.vietcombank.com.vn

Decode this certificate for verbose information →
Subject Common Name *.vietcombank.com.vn
Subject Organization JOINT STOCK COMMERCIAL BANK FOR FOREIGN TRADE OF VIETNAM
Issuer Common Name GlobalSign RSA OV SSL CA 2018
Issuer Organization GlobalSign nv-sa
Not Before: Sep 29, 2023 04:07:04 GMT
Not After: Oct 19, 2024 07:36:04 GMT
Signature Algorithm: sha256WithRSAEncryption
Serial Number: 63d7f7414c3212f5f890201f
SHA1 Fingerprint: A6:E1:5C:B5:0D:F1:0F:86:9C:7E:AB:91:AF:57:25:D3:93:2A:F2:A1
MD5 Fingerprint: 2B:5A:7F:54:B8:90:83:3D:B4:70:36:F6:1E:46:77:5F

Certificate # 2 - Common Name: GlobalSign RSA OV SSL CA 2018

Decode this certificate for verbose information →
In place? Yes, this certificate directly certifies the preceding one
Subject Common Name GlobalSign RSA OV SSL CA 2018
Subject Organization GlobalSign nv-sa
Issuer Common Name GlobalSign
Issuer Organization GlobalSign
Not Before: Nov 21, 2018 00:00:00 GMT
Not After: Nov 21, 2028 00:00:00 GMT
Signature Algorithm: sha256WithRSAEncryption
Serial Number: 1ee5f221dfc623bd4333a8557
SHA1 Fingerprint: DF:E8:30:23:06:2B:99:76:82:70:8B:4E:AB:8E:81:9A:FF:5D:97:75
MD5 Fingerprint: A7:5D:8B:21:09:11:EE:17:3E:FD:25:E1:E0:0E:D6:FD

OpenSSL Handshake

depth=1 C = BE, O = GlobalSign nv-sa, CN = GlobalSign RSA OV SSL CA 2018
verify error:num=20:unable to get local issuer certificate
verify return:1
depth=0 C = VN, ST = Hanoi, L = Hanoi, O = JOINT STOCK COMMERCIAL BANK FOR FOREIGN TRADE OF VIETNAM, CN = *.vietcombank.com.vn
verify return:1
CONNECTED(00000003)
OCSP response: no response sent
---
Certificate chain
 0 s:C = VN, ST = Hanoi, L = Hanoi, O = JOINT STOCK COMMERCIAL BANK FOR FOREIGN TRADE OF VIETNAM, CN = *.vietcombank.com.vn
   i:C = BE, O = GlobalSign nv-sa, CN = GlobalSign RSA OV SSL CA 2018
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----
 1 s:C = BE, O = GlobalSign nv-sa, CN = GlobalSign RSA OV SSL CA 2018
   i:OU = GlobalSign Root CA - R3, O = GlobalSign, CN = GlobalSign
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----
---
Server certificate
subject=C = VN, ST = Hanoi, L = Hanoi, O = JOINT STOCK COMMERCIAL BANK FOR FOREIGN TRADE OF VIETNAM, CN = *.vietcombank.com.vn

issuer=C = BE, O = GlobalSign nv-sa, CN = GlobalSign RSA OV SSL CA 2018

---
No client certificate CA names sent
Peer signing digest: SHA256
Peer signature type: RSA
Server Temp Key: ECDH, P-256, 256 bits
---
SSL handshake has read 3360 bytes and written 455 bytes
Verification error: unable to get local issuer certificate
---
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: EA40AC1BBF05A17FD209DBAA264D48073214503744DCB394A6A30D55F6DD9817
    Session-ID-ctx: 
    Master-Key: F959C5A5B6AB7C9248C664B62388A38153B9DD6D2CC0A4B4870356E38F4FE8DB8CE49E441F9E935922D18A9CE10AFA57
    PSK identity: None
    PSK identity hint: None
    SRP username: None
    Start Time: 1713974260
    Timeout   : 7200 (sec)
    Verify return code: 20 (unable to get local issuer certificate)
    Extended master secret: yes
---
DONE