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

ns91.datacenter.az · 94.20.71.19:443

Unverified
Certificate verification failed. These are unverified certificate details presented by the server. Peer certificate subjectAltName did not match expected name `ns91.datacenter.az'
The certificate expires within 30 days.

Certificate verification failed

Subject
CN=webmail.azersat.net
Issuer
C=US O=Let's Encrypt CN=YR1
Valid from
2026-08-14T21:33:59+00:00
Expires
2026-11-12T21:33:58+00:00
Days remaining
29
Serial (hex)
059045A5EB3D5E10FA48D1006332FAF6B117
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:azersat.net, DNS:cpanel.azersat.net, DNS:cpcalendars.azersat.net, DNS:cpcontacts.azersat.net, DNS:mail.azersat.net, DNS:webdisk.azersat.net, DNS:webmail.azersat.net, DNS:www.azersat.net

SHA-256 fingerprint

E1:0D:87:6E:71:58:6B:C3:2E:A3:35:9C:8B:CE:15:B8:45:69:BD:BD:C6:64:9A:16:4F:73:05:5E:9D:93:9B:98
Certificate extensions & PEM
keyUsage
Digital Signature, Key Encipherment
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:FALSE
subjectKeyIdentifier
16:0F:8E:8D:6A:32:49:E3:49:20:88:68:7B:53:40:88:8B:ED:46:16
authorityKeyIdentifier
1F:2F:35:BE:46:14:82:CD:40:B1:AE:79:2C:55:78:FA:F7:D4:68:FB
authorityInfoAccess
CA Issuers - URI:http://yr1.i.lencr.org/
subjectAltName
DNS:azersat.net, DNS:cpanel.azersat.net, DNS:cpcalendars.azersat.net, DNS:cpcontacts.azersat.net, DNS:mail.azersat.net, DNS:webdisk.azersat.net, DNS:webmail.azersat.net, DNS:www.azersat.net
certificatePolicies
Policy: 2.23.140.1.2.1
crlDistributionPoints
Full Name: URI:http://yr1.c.lencr.org/24.crl
ct_precert_scts
Signed Certificate Timestamp: Version : v1 (0x0) Log ID : C2:31:7E:57:45:19:A3:45:EE:7F:38:DE:B2:90:41:EB: C7:C2:21:5A:22:BF:7F:D5:B5:AD:76:9A:D9:0E:52:CD Timestamp : Aug 14 22:32:30.106 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:3C:CC:56:BD:72:09:58:31:43:61:A9:61: 7F:FC:99:65:D4:F1:A5:5E:B4:37:E2:82:FF:69:83:A7: EE:8C:05:09:02:21:00:C3:35:40:9B:F4:5C:64:B4:85: 9B:1E:A5:92:B9:4D:78:A5:5D:AE:4F:68:36:B0:70:A1: F4:AF:10:57:FD:6E:E7 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 46:AF:86:3D:3B:3E:E5:9F:A5:77:DE:A8:24:5D:36:B0: D9:ED:22:A2:23:F4:61:77:41:22:94:52:EE:95:50:5F Timestamp : Aug 14 22:32:30.152 2026 GMT Extensions: 00:00:05:00:13:AD:FA:B9 Signature : ecdsa-with-SHA256 30:44:02:20:5C:9C:15:55:85:AD:95:9E:91:31:E1:D3: 60:9E:D2:FA:61:3C:D3:10:AA:E4:64:63:CE:86:03:0D: AB:6F:87:72:02:20:5A:09:52:AA:0C:05:98:49:20:D7: D3:E0:CD:E8:BD:9F:B8:96:ED:2B:60:83:CD:1E:52:D0: 37:B1:AD:D1:29:81
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_128_GCM_SHA256 · Checked 2026-10-14T08:49:35+00:00

Server-presented chain · 2 additional certificates

Chain certificate 1

Subject
C=US O=Let's Encrypt CN=YR1
Issuer
C=US O=ISRG CN=Root YR
Valid from
2025-09-03T00:00:00+00:00
Expires
2028-09-02T23:59:59+00:00
Days remaining
689
Serial (hex)
A20253F15F2691C05DC1CE13B9BCCA4E
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

13:94:96:34:D9:9C:D6:FD:6A:A8:0B:C0:34:FE:FA:CC:EB:19:69:FE:EF:98:65:86:71:3E:CD:BB:05:75:8D:3F
Certificate extensions & PEM
keyUsage
Digital Signature, Certificate Sign, CRL Sign
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:TRUE, pathlen:0
subjectKeyIdentifier
1F:2F:35:BE:46:14:82:CD:40:B1:AE:79:2C:55:78:FA:F7:D4:68:FB
authorityKeyIdentifier
DE:E7:5B:60:D0:22:6D:40:28:7D:3F:0D:01:FE:A4:B5:52:B4:51:94
authorityInfoAccess
CA Issuers - URI:http://yr.i.lencr.org/
certificatePolicies
Policy: 2.23.140.1.2.1
crlDistributionPoints
Full Name: URI:http://yr.c.lencr.org/ 
-----BEGIN CERTIFICATE-----
MIIE2zCCAsOgAwIBAgIRAKICU/FfJpHAXcHOE7m8yk4wDQYJKoZIhvcNAQELBQAw
LjELMAkGA1UEBhMCVVMxDTALBgNVBAoTBElTUkcxEDAOBgNVBAMTB1Jvb3QgWVIw
HhcNMjUwOTAzMDAwMDAwWhcNMjgwOTAyMjM1OTU5WjAzMQswCQYDVQQGEwJVUzEW
MBQGA1UEChMNTGV0J3MgRW5jcnlwdDEMMAoGA1UEAxMDWVIxMIIBIjANBgkqhkiG
9w0BAQEFAAOCAQ8AMIIBCgKCAQEAoVi8X2xCYgMXvJxNPKp/oF13UMgmPABB07VC
LNDtoXmt9luEZNJSBV10VyT1Pz6LD8Zq1d2gc43WNl1AdRrj4sEnazbOiz0nPpmG
Bp2hui49oZtDIY6wdKeZAi5BbNU20CH6RSBBMLSQ9cXrH8dxdv4PAJ45ssGML68U
SE3BsjC2a6cAN9L5CgXVIQi5tfNiTPoFZZ3S0OlXqLmmtdV95udWAb5b6e/F49Di
CsH0Y00Ag72BVIb1hzynmKe+X0mERBTtsb3BwmpV9ipeBjMLoR/D9cHxHQCWoi5l
TmXwY015J5rGelz1nZjJuxc2kioaX29XJBnhMkP531rSdG5uMwIDAQABo4HuMIHr
MA4GA1UdDwEB/wQEAwIBhjATBgNVHSUEDDAKBggrBgEFBQcDATASBgNVHRMBAf8E
CDAGAQH/AgEAMB0GA1UdDgQWBBQfLzW+RhSCzUCxrnksVXj699Ro+zAfBgNVHSME
GDAWgBTe51tg0CJtQCh9Pw0B/qS1UrRRlDAyBggrBgEFBQcBAQQmMCQwIgYIKwYB
BQUHMAKGFmh0dHA6Ly95ci5pLmxlbmNyLm9yZy8wEwYDVR0gBAwwCjAIBgZngQwB
AgEwJwYDVR0fBCAwHjAcoBqgGIYWaHR0cDovL3lyLmMubGVuY3Iub3JnLzANBgkq
hkiG9w0BAQsFAAOCAgEA0+zvMq3kHig1ddTmmm+RibTr9/RpX7k4buanMMRqbV/y
IvP82zAHN3mvaw+cASuVsdpd0ikjhr4hnhJQLQOzOp2ccKrsdGOAgo0vddeISFAq
EWEV4lmUM3vFF796up+bSgmJ1u6RupDCMxDgF8M3eLvGuj6L0lu3zkQ0KuQLnKxL
tB0oQqn1Idg5CuuGpMvQzk29Pa3D/qHurc0EIM9SxukQuJqq63lxsYyRQFU8yMBO
hq1w5LbfaWNRrz1uklOfI/pYkAb2E2MTZrAMQkBIE2S8Jt1F8gRc96o/xOsrgvSk
a84AisX6xq1lz1Z7jGvrnXc4TMcjxZTjiTaihcYI1JIXZiLtEMSCa5l3cu8YWd6z
dLRQlqRdclVjuQfNHawRJ6GWlkK0QJosivTKwdBw3KxEtzGo8yMHERbsy57gP1UX
HOMcmZYQC0gtyR3SxfenIM/MxC3Ia2Ypab/kQ/CTnlIn2KQ5JUC6NYrGCbhFN9bp
5lKJStEwCUnLpntcrXk5XVDCNv/5RyWpRThkGOV7GetKkQ0qAY8hCzWK6oqnAhDZ
cjlYVdWfqOw3DIOX6EDNBgAqHarRVxyF9QZdOaXSyPJ0ueD2BYJEBgaCGQ8rAaU/
Qc123V5LTXDZW4CcsPBDyhy4v+c8hClAyw/IkJlfBqxB9D+/wvIMHgECZ4ptP6o=
-----END CERTIFICATE-----

Chain certificate 2

Subject
C=US O=ISRG CN=Root YR
Issuer
C=US O=Internet Security Research Group CN=ISRG Root X1
Valid from
2026-05-13T00:00:00+00:00
Expires
2032-09-02T23:59:59+00:00
Days remaining
2150
Serial (hex)
F24B6D17F9D9AD7CB1C9FEA78782699F
Signature
RSA-SHA256
Public key
RSA 4096

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

07:26:39:D0:B1:40:D5:BF:FA:E1:6A:D9:C3:F6:CC:60:86:04:06:21:F5:1E:E6:1A:6D:46:A8:91:5C:07:CF:76
Certificate extensions & PEM
keyUsage
Certificate Sign, CRL Sign
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:TRUE
subjectKeyIdentifier
DE:E7:5B:60:D0:22:6D:40:28:7D:3F:0D:01:FE:A4:B5:52:B4:51:94
authorityKeyIdentifier
79:B4:59:E6:7B:B6:E5:E4:01:73:80:08:88:C8:1A:58:F6:E9:9B:6E
authorityInfoAccess
CA Issuers - URI:http://x1.i.lencr.org/
certificatePolicies
Policy: 2.23.140.1.2.1
crlDistributionPoints
Full Name: URI:http://x1.c.lencr.org/ 
-----BEGIN CERTIFICATE-----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-----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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