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SSL Checker

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

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Hostname: Matches Common Name or/and SAN
Expired: No (186 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: 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: 87.240.190.72
Reverse IP lookup: srv72-190-240-87.vk.com.
Nameserver: ns4.vkontakte.ru.
Nameserver: ns1.vkontakte.ru.
Nameserver: ns2.vkontakte.ru.
Nameserver: ns3.vkontakte.ru.

General Information

Common Name: *.vk.com
SANs: DNS:*.vk.comDNS:*.vk.ccDNS:*.vk.designDNS:*.vk.linkDNS:*.vk.meDNS:*.vkontakte.comDNS:*.vkontakte.ruDNS:*.vkpay.appDNS:*.vkpay.ioDNS:stats.vk-portal.netDNS:vk.ccDNS:vk.designDNS:vk.linkDNS:vk.meDNS:vkontakte.comDNS:vkontakte.ruDNS:vkpay.appDNS:vkpay.ioDNS:vk.com Total number of SANs: 19
Organization: V Kontakte LLC
Locality: Saint-Petersburg
Signature Algorithm: sha256WithRSAEncryption
Key Type: ECDSA (secp256r1)
Key size: 256 bits
Serial Number: 23002c3db74fdb4508a12db8
Not Before: Jun 09, 2020 13:02:03 GMT
Not After: Jun 10, 2022 12:46:45 GMT
Number of certs: 3
Revocation Status: good
OCSP Stapling: Not Supported
Server: kittenx
HSTS: Not Supported
HPKP: Not Supported

Chain Information

Certificate # 1 - Common Name: *.vk.com

Decode this certificate for verbose information →
Subject Common Name *.vk.com
Subject Organization V Kontakte LLC
Issuer Common Name GlobalSign Organization Validation CA - SHA256 - G2
Issuer Organization GlobalSign nv-sa
Not Before: Jun 09, 2020 13:02:03 GMT
Not After: Jun 10, 2022 12:46:45 GMT
Signature Algorithm: sha256WithRSAEncryption
Serial Number: 23002c3db74fdb4508a12db8
SHA1 Fingerprint: AA:4D:46:F6:DF:7D:61:5F:D3:6F:7A:52:8E:8C:16:27:D5:AA:41:21
MD5 Fingerprint: 10:D7:80:01:9D:64:3F:EC:39:30:C4:9C:A8:7D:6A:C9

Certificate # 2 - Common Name: GlobalSign Organization Validation CA - SHA256 - G2

Decode this certificate for verbose information →
In place? Yes, this certificate directly certifies the preceding one
Subject Common Name GlobalSign Organization Validation CA - SHA256 - G2
Subject Organization GlobalSign nv-sa
Issuer Common Name GlobalSign Root CA
Issuer Organization GlobalSign nv-sa
Not Before: Feb 20, 2014 10:00:00 GMT
Not After: Feb 20, 2024 10:00:00 GMT
Signature Algorithm: sha256WithRSAEncryption
Serial Number: 40000000001444ef04247
SHA1 Fingerprint: 90:2E:F2:DE:EB:3C:5B:13:EA:4C:3D:51:93:62:93:09:E2:31:AE:55
MD5 Fingerprint: D3:E8:70:6D:82:92:AC:E4:DD:EB:F7:A8:BB:BD:56:6B

Certificate # 3 - Common Name: GlobalSign Root CA

Decode this certificate for verbose information →
In place? Yes, this certificate directly certifies the preceding one
Subject Common Name GlobalSign Root CA
Subject Organization GlobalSign nv-sa
Issuer Common Name GlobalSign Root CA
Issuer Organization GlobalSign nv-sa
Not Before: Sep 01, 1998 12:00:00 GMT
Not After: Jan 28, 2028 12:00:00 GMT
Signature Algorithm: sha1WithRSAEncryption
Serial Number: 40000000001154b5ac394
SHA1 Fingerprint: B1:BC:96:8B:D4:F4:9D:62:2A:A8:9A:81:F2:15:01:52:A4:1D:82:9C
MD5 Fingerprint: 3E:45:52:15:09:51:92:E1:B7:5D:37:9F:B1:87:29:8A

OpenSSL Handshake

depth=2 C = BE, O = GlobalSign nv-sa, OU = Root CA, CN = GlobalSign Root CA
verify return:1
depth=1 C = BE, O = GlobalSign nv-sa, CN = GlobalSign Organization Validation CA - SHA256 - G2
verify return:1
depth=0 C = RU, ST = Saint-Petersburg, L = Saint-Petersburg, O = V Kontakte LLC, CN = *.vk.com
verify return:1
CONNECTED(00000003)
OCSP response: no response sent
---
Certificate chain
 0 s:/C=RU/ST=Saint-Petersburg/L=Saint-Petersburg/O=V Kontakte LLC/CN=*.vk.com
   i:/C=BE/O=GlobalSign nv-sa/CN=GlobalSign Organization Validation CA - SHA256 - G2
-----BEGIN CERTIFICATE-----
MIIGfDCCBWSgAwIBAgIMIwAsPbdP20UIoS24MA0GCSqGSIb3DQEBCwUAMGYxCzAJ
BgNVBAYTAkJFMRkwFwYDVQQKExBHbG9iYWxTaWduIG52LXNhMTwwOgYDVQQDEzNH
bG9iYWxTaWduIE9yZ2FuaXphdGlvbiBWYWxpZGF0aW9uIENBIC0gU0hBMjU2IC0g
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ZXJzYnVyZzEXMBUGA1UEChMOViBLb250YWt0ZSBMTEMxETAPBgNVBAMMCCoudmsu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-----END CERTIFICATE-----
 1 s:/C=BE/O=GlobalSign nv-sa/CN=GlobalSign Organization Validation CA - SHA256 - G2
   i:/C=BE/O=GlobalSign nv-sa/OU=Root CA/CN=GlobalSign Root CA
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----
 2 s:/C=BE/O=GlobalSign nv-sa/OU=Root CA/CN=GlobalSign Root CA
   i:/C=BE/O=GlobalSign nv-sa/OU=Root CA/CN=GlobalSign Root CA
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----
---
Server certificate
subject=/C=RU/ST=Saint-Petersburg/L=Saint-Petersburg/O=V Kontakte LLC/CN=*.vk.com
issuer=/C=BE/O=GlobalSign nv-sa/CN=GlobalSign Organization Validation CA - SHA256 - G2
---
No client certificate CA names sent
Peer signing digest: SHA256
Server Temp Key: X25519, 253 bits
---
SSL handshake has read 3989 bytes and written 299 bytes
Verification: OK
---
New, TLSv1.2, Cipher is ECDHE-ECDSA-AES128-GCM-SHA256
Server public key is 256 bit
Secure Renegotiation IS supported
Compression: NONE
Expansion: NONE
No ALPN negotiated
SSL-Session:
    Protocol  : TLSv1.2
    Cipher    : ECDHE-ECDSA-AES128-GCM-SHA256
    Session-ID: 9C3578C1D6B286DD7EB60B9460254856E88862D5EF5884CA14BEA49B9C84D2A3
    Session-ID-ctx: 
    Master-Key: 8D77DC92EA2573B570E47BF339E9CD72A0BBA6606744B0245B5C3E90829E549C7C11B55F123DC9FCD31B2815C92883B8
    PSK identity: None
    PSK identity hint: None
    SRP username: None
    Start Time: 1638767102
    Timeout   : 7200 (sec)
    Verify return code: 0 (ok)
    Extended master secret: yes
---
DONE