DNS
THE CERTIFICATE BEHIND THE CONNECTION

TLS certificate checker.

Inspect SSL/TLS certificates for any public domain or subdomain.

Checks HTTPS on port 443, including subject alternative names, validity dates and the presented chain.

SSL certificate

TLSv1.3

tk-alpha.ru · 31.31.198.194:443

Verified

Certificate chain, hostname and dates verified using this server’s CA store.

Subject
CN=*.tk-alpha.ru
Issuer
C=BE O=GlobalSign nv-sa CN=GlobalSign GCC R46 AlphaSSL CA 2025
Valid from
2026-10-12T04:41:48+00:00
Expires
2027-04-29T04:41:48+00:00
Days remaining
181
Serial (hex)
20C7DC51B441FCD1C453ED28
Signature
RSA-SHA256
Public key
RSA 4096

Subject alternative names (SAN)

DNS:*.tk-alpha.ru, DNS:tk-alpha.ru

SHA-256 fingerprint

30:1A:C1:A0:A1:32:FC:91:F9:38:83:FD:37:83:D8:1C:53:E4:65:65:27:2E:DE:F0:1D:1C:7B:37:29:27:1B:0B
Certificate extensions & PEM
keyUsage
Digital Signature, Key Encipherment
basicConstraints
CA:FALSE
authorityInfoAccess
CA Issuers - URI:http://secure.globalsign.com/cacert/gsgccr46alphasslca2025.crt OCSP - URI:http://ocsp.globalsign.com/gsgccr46alphasslca2025
certificatePolicies
Policy: 2.23.140.1.2.1
crlDistributionPoints
Full Name: URI:http://crl.globalsign.com/gsgccr46alphasslca2025.crl
subjectAltName
DNS:*.tk-alpha.ru, DNS:tk-alpha.ru
authorityKeyIdentifier
A3:4C:AC:B1:BF:B4:88:ED:8B:74:D8:5F:34:38:C9:E9:0A:25:9E:7B
extendedKeyUsage
TLS Web Server Authentication
subjectKeyIdentifier
9D:33:9E:50:4B:22:72:A1:D8:3D:1D:7E:C9:41:EC:28:EA:A8:A5:82
ct_precert_scts
Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 1C:9F:68:2C:E9:FA:F0:45:69:50:F8:1B:96:8A:87:DD: DB:32:10:D8:4C:E6:C8:B2:E3:82:52:4A:C4:CF:59:9F Timestamp : Oct 12 04:41:52.043 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:CA:6E:AE:63:4A:AE:65:92:7B:91:A6: 51:88:CF:9F:8F:8A:1A:F1:D0:3B:EA:17:72:FA:3E:1F: 12:EA:2E:64:4C:02:20:19:6F:86:79:AB:B1:91:AF:E2: 3D:DC:C7:92:85:5D:D6:7B:6F:A0:AC:15:D9:AC:51:0B: 24:2C:C2:46:0D:7E:87 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 4C:63:DC:98:E5:9C:1D:AB:88:F6:1E:8A:3D:DE:AE:8F: AB:44:A3:37:7B:5F:9B:94:C3:FB:A1:9C:FC:C1:BE:26 Timestamp : Oct 12 04:41:51.818 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:99:F7:F5:E7:E9:36:C3:BC:F8:40:20: A9:16:1E:F2:16:1D:91:AF:34:C3:BC:BF:98:36:8E:BE: 1B:68:F9:72:A6:02:20:49:5C:84:40:FE:28:09:63:2A: 0D:AD:C3:14:0A:A7:1A:F2:25:7D:18:4A:E4:91:37:A4: EA:64:69:69:0F:BF:AA Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 60:4C:9A:AF:7A:7F:77:5F:01:D4:06:FC:92:0D:C8:99: EB:0B:1C:7D:F8:C9:52:1B:FA:FA:17:77:3B:97:8B:C9 Timestamp : Oct 12 04:41:51.810 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:DE:4B:26:3F:EA:A4:7F:FB:05:F3:42: 05:95:80:E5:EF:7C:D6:D3:C5:12:A5:C5:00:B9:8B:DF: 1A:F4:C8:4B:A1:02:20:0A:29:8E:22:C4:86:96:5D:75: B4:09:CF:7D:74:43:8A:8F:81:6B:C5:25:93:73:38:A3: 83:F6:CF:06:DE:6C:B5
-----BEGIN CERTIFICATE-----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8HXTOlRo0eir3ZnmAYX3eSRA3V84OE7+hL567nJN/EjgoOiSTQyiY/9dIGYpvXvf
Om41rwyi8+1sZFpscLNJ6N3DPamvlK9Xb1SAmL91HwX4gW/4g+bhgdOdxSMYhP6B
dNIulEU+9u0ufK/ScjmZS1xSTWIgRj9L1rW25Uea00TmG2335WcZGzH/53ZgZ8lq
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tMM/y/gcEF1dHkIqdci8VvStdrBmi9zQxDAe1DFUl1ppu9qwNHxwidrww0haxfnI
TVecO28CjzqnIh6pPwIDAQABo4IDGjCCAxYwDgYDVR0PAQH/BAQDAgWgMAwGA1Ud
EwEB/wQCMAAwgZsGCCsGAQUFBwEBBIGOMIGLMEoGCCsGAQUFBzAChj5odHRwOi8v
c2VjdXJlLmdsb2JhbHNpZ24uY29tL2NhY2VydC9nc2djY3I0NmFscGhhc3NsY2Ey
MDI1LmNydDA9BggrBgEFBQcwAYYxaHR0cDovL29jc3AuZ2xvYmFsc2lnbi5jb20v
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HR8EPjA8MDqgOKA2hjRodHRwOi8vY3JsLmdsb2JhbHNpZ24uY29tL2dzZ2NjcjQ2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-----END CERTIFICATE-----

Cipher: TLS_AES_256_GCM_SHA384 · Checked 2026-10-29T10:35:16+00:00

Server-presented chain · 2 additional certificates

Chain certificate 1

Subject
C=BE O=GlobalSign nv-sa CN=GlobalSign GCC R46 AlphaSSL CA 2025
Issuer
C=BE O=GlobalSign nv-sa CN=GlobalSign Root R46
Valid from
2025-09-17T02:55:30+00:00
Expires
2029-06-23T00:00:00+00:00
Days remaining
967
Serial (hex)
8443586F6396264381337C801A2E6118
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

D2:AC:9D:CC:7A:25:50:29:A5:F5:18:0D:63:F1:A9:ED:60:E1:14:12:A8:5C:14:8D:4B:71:F6:AE:1A:36:69:5C
Certificate extensions & PEM
keyUsage
Digital Signature, Certificate Sign, CRL Sign
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:TRUE, pathlen:0
subjectKeyIdentifier
A3:4C:AC:B1:BF:B4:88:ED:8B:74:D8:5F:34:38:C9:E9:0A:25:9E:7B
authorityKeyIdentifier
03:5C:AB:73:81:87:A8:CC:B0:A6:D5:94:E2:36:96:49:FF:05:99:2C
authorityInfoAccess
OCSP - URI:http://ocsp.globalsign.com/rootr46 CA Issuers - URI:http://secure.globalsign.com/cacert/rootr46.crt
crlDistributionPoints
Full Name: URI:http://crl.globalsign.com/rootr46.crl
certificatePolicies
Policy: 2.23.140.1.2.1 Policy: 1.3.6.1.4.1.4146.10.1.3
-----BEGIN CERTIFICATE-----
MIIFfjCCA2agAwIBAgIRAIRDWG9jliZDgTN8gBouYRgwDQYJKoZIhvcNAQELBQAw
RjELMAkGA1UEBhMCQkUxGTAXBgNVBAoTEEdsb2JhbFNpZ24gbnYtc2ExHDAaBgNV
BAMTE0dsb2JhbFNpZ24gUm9vdCBSNDYwHhcNMjUwOTE3MDI1NTMwWhcNMjkwNjIz
MDAwMDAwWjBWMQswCQYDVQQGEwJCRTEZMBcGA1UEChMQR2xvYmFsU2lnbiBudi1z
YTEsMCoGA1UEAxMjR2xvYmFsU2lnbiBHQ0MgUjQ2IEFscGhhU1NMIENBIDIwMjUw
ggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQCV0s/1NfwruxzhrfoOWN/B
V8j/6KxInyuIpVJ50pmHimyU5ACjC4ST2ZyU2Ltggfc/ydc1OrTUqDyoTGjWOazH
obK+GQQtBd+MUEykZbnVCfNj14Um7UiqTGOFaOK551Etd9aE/F9/hYl+4XMXJPqC
+V3ziJbO0QQcL4/wZBvqbW3xZjqb/bcLKHttfNF+JMmO+DrT9VWyomNWVeC3Grs4
DybZLgs4RVmg8sp/Ic0quOdBjIhE+W0jYbUW6Z9HP9q2lh7UVCwn1rZ1mFTRhIXa
shGqL43uXnXfRls3T93w2dnCpgTundq28WmWuzb/RZ6kHvALQmu8f891gHfbb+kb
AgMBAAGjggFVMIIBUTAOBgNVHQ8BAf8EBAMCAYYwEwYDVR0lBAwwCgYIKwYBBQUH
AwEwEgYDVR0TAQH/BAgwBgEB/wIBADAdBgNVHQ4EFgQUo0yssb+0iO2LdNhfNDjJ
6QolnnswHwYDVR0jBBgwFoAUA1yrc4GHqMywptWU4jaWSf8FmSwwewYIKwYBBQUH
AQEEbzBtMC4GCCsGAQUFBzABhiJodHRwOi8vb2NzcC5nbG9iYWxzaWduLmNvbS9y
b290cjQ2MDsGCCsGAQUFBzAChi9odHRwOi8vc2VjdXJlLmdsb2JhbHNpZ24uY29t
L2NhY2VydC9yb290cjQ2LmNydDA2BgNVHR8ELzAtMCugKaAnhiVodHRwOi8vY3Js
Lmdsb2JhbHNpZ24uY29tL3Jvb3RyNDYuY3JsMCEGA1UdIAQaMBgwCAYGZ4EMAQIB
MAwGCisGAQQBoDIKAQMwDQYJKoZIhvcNAQELBQADggIBAFidiFkGjaslf0o1kWbY
Y1Fe0N/OtR28cj5js0b6mhb0AXgyi8m3IOBBnHFsyGb/OGpGlsfnyOCNHNc4p12Z
f8tqkqtd1qh2oks7+MvEAatwDy4NMlQYmjRpdTzTu6+HFv3waK+UOHbm1NC5s5fb
lPjio082KdjQsG+isWSCUGP7hjVjTcPioy5v0HJDYzmbX1oro7fa7potZ4vjNPRI
mMH2St+E2OphOO4NkrllXtSUw5ThyiFaymFIvWfSXSWOHIcK3HwOlUxgpgrJMDi0
ZuKX3W2+wDVRmrPJXgaX+6R/uBqtdMi2O+ebkjmS5zyk2U7sHsaa9lPQz3PS5hBv
aeW0FHeJK4Yc2yeQ/HBRL3YORG5JQdH1+P/+OJnv7s10Qjipe0tPwHccfMSprzRs
0t/2wG3b2GdTBX9JJjxWp3SJs/Bib7ScMJYyMMgrUBQ/BSCreEpvKvrsw2SAsPwY
dx7fjCpsFBM0Tdrqzc1HUm/qNgETPA6tWTMn+27ot19Q94KpnEHYL1hRyCJ5JB/6
OWVNCbn2YhtwJON6787ZbkVHOz9itAZKajPNH/nO/wB4gtlhnQb1yhZ6nG6LZAsu
gJBL58/BSqH1KWGnHyp9s7VwFJPI3LoSEqLd5BryAOQg/5P5uW339YFmbJCcqS3G
3CVvDrQnx+qrRlxBrS/QeigQ
-----END CERTIFICATE-----

Chain certificate 2

Subject
C=BE O=GlobalSign nv-sa CN=GlobalSign Root R46
Issuer
C=BE O=GlobalSign nv-sa CN=GlobalSign Root R46
Valid from
2019-03-20T00:00:00+00:00
Expires
2046-03-20T00:00:00+00:00
Days remaining
7081
Serial (hex)
11D2BBB9D723189E405F0A9D2DD0DF2567D1
Signature
RSA-SHA384
Public key
RSA 4096

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

4F:A3:12:6D:8D:3A:11:D1:C4:85:5A:4F:80:7C:BA:D6:CF:91:9D:3A:5A:88:B0:3B:EA:2C:63:72:D9:3C:40:C9
Certificate extensions & PEM
keyUsage
Digital Signature, Certificate Sign, CRL Sign
basicConstraints
CA:TRUE
subjectKeyIdentifier
03:5C:AB:73:81:87:A8:CC:B0:A6:D5:94:E2:36:96:49:FF:05:99:2C
-----BEGIN CERTIFICATE-----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I/onccnfxkF0oE32kRbcRoxfKWMxWXEM2G/CtjJ9++ZdU6Z+Ffy7dXxd7Pj2Fxzs
x2sZy/N78CsHpdlseVR2bJ0cpm4O6XkMqCNqo98bMDGfsVR7/mrLZqrcZdCinkqa
ByFrgY/bxFn63iLABJzjqls2k+g9vXqhnQt2sQvHnf3PmKgGwvgqo6GDoLclcqUC
4wIDAQABo0IwQDAOBgNVHQ8BAf8EBAMCAYYwDwYDVR0TAQH/BAUwAwEB/zAdBgNV
HQ4EFgQUA1yrc4GHqMywptWU4jaWSf8FmSwwDQYJKoZIhvcNAQEMBQADggIBAHx4
7PYCLLtbfpIrXTncvtgdokIzTfnvpCo7RGkerNlFo048p9gkUbJUHJNOxO97k4Vg
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pnnpHs6i58FZFZ8d4kuaPp92CC1r2LpXFNqD6v6MVenQTqnMdzGxRBF6XLE+0xRF
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u+YfjyW6hY0XHgL+XVAEV8/+LbzvXMAaq7afJMbfc2hIkCwU9D9SGuTSyxTDYWnP
4vkYxboznxSjBF25cfe1lNj2M8FawTSLfJvdkzrnE6JwYZ+vj+vYxXX4M2bUdGc6
N3ec592kD3ZDZopD8p/7DEJ4Y9HiD2971KE9dJeFt0g5QdYg/NA6s/rob8SKunE3
vouXsXgxT7PntgMTzlSdriVZzH81Xwj3QEUxeCp6
-----END CERTIFICATE-----

One endpoint on port 443. Server-presented chain; no revocation, OCSP, CT or full TLS security scan.

View certificate JSON

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