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

0-1.ir · 45.9.254.50:443

Verified

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

Subject
CN=*.0-1.ir
Issuer
C=PL O=Asseco Data Systems S.A. CN=Certum DV TLS G2 R39 CA
Valid from
2026-07-14T08:20:27+00:00
Expires
2027-01-29T08:20:26+00:00
Days remaining
115
Serial (hex)
0F071E02D287DBCB9C87FB2480A98967
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:*.0-1.ir, DNS:0-1.ir

SHA-256 fingerprint

F8:FE:76:F5:9C:D5:BB:A2:43:50:D3:23:23:A4:62:26:17:28:9F:2D:D4:D6:37:DE:F2:48:14:35:92:CF:D4:A1
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:*.0-1.ir, DNS:0-1.ir
ct_precert_scts
Signed Certificate Timestamp: Version : v1 (0x0) Log ID : D6:D5:8D:A9:D0:17:53:F3:6A:4A:A0:C7:57:49:02:AF: EB:C7:DC:2C:D3:8C:D9:F7:64:C8:0C:89:19:1E:9F:02 Timestamp : Jul 14 08:20:27.838 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:46:02:21:00:82:E9:39:73:41:1A:93:34:01:2F:E6: 13:7B:D7:30:AD:D7:BC:C6:9C:4F:32:F8:C5:CC:E7:9A: EB:F0:6F:70:0F:02:21:00:BA:93:C6:80:9E:EA:14:31: AB:FD:DB:6D:F1:FA:0D:BA:68:60:0C:BF:26:D4:4D:8D: EC:B3:3C:5C:7F:59:B9:4C Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 44:C2:BD:0C:E9:14:0E:64:A5:C9:4A:01:93:0A:5A:A1: BB:35:97:0E:00:EE:11:16:89:68:2A:1C:44:D7:B5:66 Timestamp : Jul 14 08:20:27.782 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:0C:57:E5:6F:9F:2F:A1:AA:73:72:16:73: 79:8A:CA:39:DB:24:0F:1B:02:34:E1:20:A5:06:5F:A0: 08:9E:1B:A9:02:21:00:E6:88:93:7D:35:0A:00:DA:06: 4E:40:9B:2F:26:86:2D:DA:19:C4:E6:5D:9C:CF:FE:11: 29:70:36:88:30:E2:8B 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 : Jul 14 08:20:27.986 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:46:02:21:00:B2:FD:32:58:82:DF:35:72:2D:AE:12: C6:50:EF:13:1C:5D:D4:3E:0E:C4:21:D1:23:29:4B:B1: CC:FB:B0:0D:44:02:21:00:E7:1A:31:BE:1B:1B:D7:A5: 98:E9:D9:1E:F0:D0:E0:AD:F7:47:6D:7A:97:0D:EA:44: 90:9F:85:38:ED:A3:77:B4
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_128_GCM_SHA256 · Checked 2026-10-05T20:55:30+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
4625
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-----
MIIGnTCCBIWgAwIBAgIRAKgt2eXcr98TIF5wBD5rlagwDQYJKoZIhvcNAQENBQAw
ejELMAkGA1UEBhMCUEwxITAfBgNVBAoTGEFzc2VjbyBEYXRhIFN5c3RlbXMgUy5B
LjEnMCUGA1UECxMeQ2VydHVtIENlcnRpZmljYXRpb24gQXV0aG9yaXR5MR8wHQYD
VQQDExZDZXJ0dW0gVHJ1c3RlZCBSb290IENBMB4XDTI0MDYxODA3NDEyMloXDTM5
MDYwNTA3NDEyMlowUjELMAkGA1UEBhMCUEwxITAfBgNVBAoMGEFzc2VjbyBEYXRh
IFN5c3RlbXMgUy5BLjEgMB4GA1UEAwwXQ2VydHVtIERWIFRMUyBHMiBSMzkgQ0Ew
ggIiMA0GCSqGSIb3DQEBAQUAA4ICDwAwggIKAoICAQCo52NXEXWoO2w6zQeBtNer
d5ahhe8RgM8XVpwGEFoovjHc4K+Cp3auUWVlt7/ARthJoxOttF+jaSrlSve9mWnm
TJOo1QLuoOTWuZ9XUkMjDG1ztTbFsgRqQyOtZsDqniHD79wqD49DQW4geVslp9/L
iTQKUpPawtAwpBeoaRXL8RJ8xjNA+2bEr6vesz2MEvvhpWBSWNAIR5O5YbiLztQ9
KdOuBYS0CW59ptuCjg3AuLcp8aOjk9z/kJc8xKkO48hLTp+HpdHkuI+iFWZn0aCL
lM/ngpdoBw+NGs6TMC8B6BcK7y/zl8FsNC4gE86Kfd8J9zWhCA7umHnBXCSYCKRx
H5o7DtoGiWXvcRKYpGtWt9czdUa1edSk5mTrwZGEXLAkX1ECiAq4GS5vEGjrEQ1u
x8mag2LDh7ZnXdcyzkKZKGsx7uExe3Nx5gWWZMXFrZ5v+uxynKogHUY2vdIMB3dn
9qRYwpzvn3msfBbkRTAcS9eis1AY0Xxqlt3aXkVyqfKhdJxOPpzATM+Ve4jZSd1n
LzEj+kFuHnv2jyOY3Vb35n3EmW8yAwG1OWX/QnemMA5s2fZ+ZydHOTG4DkwXnaTr
R/vUhM+FNywNUlvzYjcM6zt3Ysf9M1hK5PjUEKzsPf5BrIp0fs1zhlVC+cgBN2+J
PtYwxP1nNpxwBgtIPoTk6wIDAQABo4IBRDCCAUAwcQYIKwYBBQUHAQEEZTBjMDcG
CCsGAQUFBzAChitodHRwOi8vc3ViY2EucmVwb3NpdG9yeS5jZXJ0dW0ucGwvY3Ry
Y2EuY2VyMCgGCCsGAQUFBzABhhxodHRwOi8vc3ViY2Eub2NzcC1jZXJ0dW0uY29t
MB8GA1UdIwQYMBaAFIz7HHW8AtOfTi5I2flgVKrEs0/6MBIGA1UdEwEB/wQIMAYB
Af8CAQAwNQYDVR0fBC4wLDAqoCigJoYkaHR0cDovL3N1YmNhLmNybC5jZXJ0dW0u
cGwvY3RyY2EuY3JsMB0GA1UdJQQWMBQGCCsGAQUFBwMCBggrBgEFBQcDATAOBgNV
HQ8BAf8EBAMCAQYwEQYDVR0gBAowCDAGBgRVHSAAMB0GA1UdDgQWBBQzqHe3AThv
Xx8kJKIebBTjbiID3zANBgkqhkiG9w0BAQ0FAAOCAgEACDQ1ggBelZZ/NYs1nFKW
HnDrA8Y4pv0lvxLzSAC4ejGavMXqPTXHA+DEh9kHNd8tVlo24+6YN96Gspb1kMXR
uuql23/6R6Fpqg49dkQ1/DobsWvAHoYeZvsaAgaKRD3bvsAcB0JBhyBVT/88S9gu
DnS5YKMldiLMkVW1Noskd4dHEJ2mkJcVzJIJ0Y4johA1lC1JnZMjkB8ZTNIblkgJ
K6PqlhYkeMOkx+XbmUuUgh29T0sPne7/V6PHnbEJIxUs40+iLCF0HrdqZypjvWQq
pSmHRHI3UWVERDeERca0uJ3I+a5ER9vUL9u5ilGG4afyx7QwzitBG+1rU3nRsHyZ
g6osILL/MWc0AbWJMyKzQ9Guj+uwq47h6BC9BsWF34pJeDC8EuN3HNxPlSWSII9l
Omwtipvq0EL1iocJhXdlsG+jIUVs/Sl/Um9JiZV+h/MoytnrPrWMIj+0zz6BdaPP
2sT6wcLzpnwYcE9FWSbQrzNpL283EOUkObjc8AIxICzPHGusF0IqsO+sj9XzvLTh
TjKfFlzx4NR8gbK7m8sXq6cgP4UAtyvDswebFIRQiuhjqOT9G7+56+4zC0RaEZx/
LwoFE+ObVXxX674szQvIc+7WPCooVsUbwZIikzJqZb4gJQ1OQx23CgyyYlsPHIDN
8FpPkganuCwy++7umTkM7+Q=
-----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
714
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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