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

TLSv1.2

mail.epishkhan.ir · 195.146.59.30:443

Verified

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

Subject
CN=*.epishkhan.ir
Issuer
C=PL O=Asseco Data Systems S.A. CN=Certum DV TLS G2 R39 CA
Valid from
2026-02-14T05:07:24+00:00
Expires
2027-02-14T05:07:23+00:00
Days remaining
109
Serial (hex)
3A12D79FD62E219E76B3B867481DA925
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:*.epishkhan.ir, DNS:epishkhan.ir

SHA-256 fingerprint

1F:F9:57:F7:9D:B8:DF:E2:1E:98:B5:FF:E6:F9:BA:E2:DF:5B:0D:DF:78:6C:3E:26:35:EE:FB:D8:20:70:E7:E2
Certificate extensions & PEM
basicConstraints
CA:FALSE
crlDistributionPoints
Full Name: URI:http://certumdvtlsg2r39ca.crl.certum.pl/certumdvtlsg2r39ca.crl
authorityInfoAccess
OCSP - URI:http://certumdvtlsg2r39ca.ocsp-certum.com CA Issuers - URI:http://certumdvtlsg2r39ca.repository.certum.pl/certumdvtlsg2r39ca.cer
authorityKeyIdentifier
33:A8:77:B7:01:38:6F:5F:1F:24:24:A2:1E:6C:14:E3:6E:22:03:DF
certificatePolicies
Policy: 2.23.140.1.2.1 Policy: 1.2.616.1.113527.2.101.1
extendedKeyUsage
TLS Web Server Authentication, TLS Web Client Authentication
keyUsage
Digital Signature, Key Encipherment
subjectAltName
DNS:*.epishkhan.ir, DNS:epishkhan.ir
ct_precert_scts
Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 59:6E:6C:33:86:94:B2:59:72:A2:56:C8:A0:E8:DD:90: 4A:76:E8:08:3D:DA:87:3B:01:08:38:28:14:3C:EE:59 Timestamp : Feb 14 05:07:25.434 2026 GMT Extensions: 00:00:05:00:00:27:2B:8A Signature : ecdsa-with-SHA256 30:45:02:20:58:C1:4C:19:02:DB:FC:D2:7C:88:B4:EA: 04:D8:05:A3:99:67:09:A0:F1:F3:7E:0E:C5:E6:FE:4F: 08:9C:FC:A4:02:21:00:81:DB:95:A7:72:7D:55:69:DB: 78:36:D5:C3:50:06:48:1A:8A:C8:5E:02:C0:50:29:AA: D1:A0:46:99:29:F3:6E 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 : Feb 14 05:07:25.548 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:29:D4:77:1F:5A:5F:00:98:3F:00:99:3D: DD:17:5B:70:63:2B:5A:8E:35:8D:88:72:FF:D4:26:22: 44:D1:B1:9C:02:21:00:D5:59:48:8D:E0:D6:77:B1:BE: 3D:D0:24:9B:AE:D1:A9:A8:90:25:1B:29:33:19:45:EC: 83:7A:01:31:5A:2A:DD 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 : Feb 14 05:07:25.900 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:46:02:21:00:83:25:C2:E2:6D:D4:B3:09:2C:73:7F: 7C:91:5D:02:60:3E:95:FD:C7:09:7A:C7:10:FC:30:78: 65:DB:E1:70:3A:02:21:00:92:E1:4B:66:48:88:71:BD: 33:43:5B:C7:85:EF:50:3F:64:7F:D4:CA:C7:8C:A7:43: AF:BB:31:6B:78:65:E4:90
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: ECDHE-RSA-AES256-GCM-SHA384 · Checked 2026-10-27T18:56:40+00:00

Server-presented chain · 2 additional certificates

Chain certificate 1

Subject
C=PL O=Asseco Data Systems S.A. CN=Certum DV TLS G2 R39 CA
Issuer
C=PL O=Asseco Data Systems S.A. OU=Certum Certification Authority CN=Certum Trusted Root CA
Valid from
2024-06-18T07:41:22+00:00
Expires
2039-06-05T07:41:22+00:00
Days remaining
4603
Serial (hex)
A82DD9E5DCAFDF13205E70043E6B95A8
Signature
RSA-SHA512
Public key
RSA 4096

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

83:C0:A5:A7:68:44:C8:40:DF:AF:82:0F:FD:02:AD:F6:57:3A:26:82:3E:F6:AF:75:8A:33:84:A0:AC:04:40:83
Certificate extensions & PEM
authorityInfoAccess
CA Issuers - URI:http://subca.repository.certum.pl/ctrca.cer OCSP - URI:http://subca.ocsp-certum.com
authorityKeyIdentifier
8C:FB:1C:75:BC:02:D3:9F:4E:2E:48:D9:F9:60:54:AA:C4:B3:4F:FA
basicConstraints
CA:TRUE, pathlen:0
crlDistributionPoints
Full Name: URI:http://subca.crl.certum.pl/ctrca.crl
extendedKeyUsage
TLS Web Client Authentication, TLS Web Server Authentication
keyUsage
Certificate Sign, CRL Sign
certificatePolicies
Policy: X509v3 Any Policy
subjectKeyIdentifier
33:A8:77:B7:01:38:6F:5F:1F:24:24:A2:1E:6C:14:E3:6E:22:03:DF
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Chain certificate 2

Subject
C=PL O=Asseco Data Systems S.A. OU=Certum Certification Authority CN=Certum Trusted Root CA
Issuer
C=PL O=Unizeto Technologies S.A. OU=Certum Certification Authority CN=Certum Trusted Network CA
Valid from
2023-09-19T10:00:00+00:00
Expires
2028-09-19T10:00:00+00:00
Days remaining
692
Serial (hex)
D8E0744B5824919FBD08847DF72020FA
Signature
RSA-SHA512
Public key
RSA 4096

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

FB:13:89:0C:7A:B1:4F:F7:B9:4B:27:14:50:3E:31:12:3B:FD:D3:40:FC:4D:97:97:43:16:6E:04:69:B4:7A:88
Certificate extensions & PEM
basicConstraints
CA:TRUE
subjectKeyIdentifier
8C:FB:1C:75:BC:02:D3:9F:4E:2E:48:D9:F9:60:54:AA:C4:B3:4F:FA
authorityKeyIdentifier
08:76:CD:CB:07:FF:24:F6:C5:CD:ED:BB:90:BC:E2:84:37:46:75:F7
keyUsage
Certificate Sign, CRL Sign
crlDistributionPoints
Full Name: URI:http://crl.certum.pl/ctnca.crl
authorityInfoAccess
OCSP - URI:http://subca.ocsp-certum.com CA Issuers - URI:http://repository.certum.pl/ctnca.cer
certificatePolicies
Policy: X509v3 Any Policy CPS: https://www.certum.pl/CPS
-----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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