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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

front2.doergi.net · 94.100.64.3:443

Verified

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

Subject
CN=*.doergi.net
Issuer
C=PL O=Asseco Data Systems S.A. CN=Certum DV TLS G2 R39 CA
Valid from
2026-08-14T13:55:03+00:00
Expires
2027-03-01T13:55:02+00:00
Days remaining
126
Serial (hex)
2AC52A3B510941C295963E93A1E59A26
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:*.doergi.net, DNS:doergi.net

SHA-256 fingerprint

D7:68:04:F7:78:24:E4:E0:D1:CC:8A:89:11:C7:79:FD:EC:DE:71:F7:20:C6:0E:81:CA:76:85:92:40:EA:8E:E8
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:*.doergi.net, DNS:doergi.net
ct_precert_scts
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 : Aug 14 13:55:03.741 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:46:02:21:00:BF:11:FA:13:D7:8D:80:0D:06:9E:05: 73:22:0D:49:34:F7:65:DC:49:35:9E:06:3B:A3:9D:27: 2B:50:D4:4C:A9:02:21:00:CC:58:3B:94:C8:DF:98:FA: B3:81:9E:36:FD:62:E0:27:C6:F9:D2:FD:33:C2:E6:F8: ED:CD:DD:66:9C:9C:F6:56 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 : Aug 14 13:55:03.794 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:53:D1:E2:9B:A6:AD:4C:2A:48:C4:44:34: DD:83:15:91:0F:A2:62:AD:D2:31:AA:D3:C7:60:6D:40: 0D:91:F3:F5:02:21:00:B8:69:BD:5F:EB:12:72:E6:1C: 71:B5:C4:7E:4F:3E:74:3F:D1:30:12:FA:9E:33:61:BC: 4F:13:2C:3A:6A:E5:C0 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 : Aug 14 13:55:04.031 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:DD:CE:6D:38:3A:BB:22:A4:49:80:BB: 20:48:CD:1E:65:2F:B6:AE:6C:BC:F2:19:AD:8E:35:B3: 02:AD:BF:BD:BC:02:20:07:BA:34:3B:7F:72:82:CE:FA: BD:67:88:F6:03:8C:0F:C7:F6:DA:43:03:2C:36:31:5A: B1:41:8B:C7:BB:A8:12
-----BEGIN CERTIFICATE-----
MIIHEDCCBPigAwIBAgIQKsUqO1EJQcKVlj6ToeWaJjANBgkqhkiG9w0BAQsFADBS
MQswCQYDVQQGEwJQTDEhMB8GA1UECgwYQXNzZWNvIERhdGEgU3lzdGVtcyBTLkEu
MSAwHgYDVQQDDBdDZXJ0dW0gRFYgVExTIEcyIFIzOSBDQTAeFw0yNjA4MTQxMzU1
MDNaFw0yNzAzMDExMzU1MDJaMBcxFTATBgNVBAMMDCouZG9lcmdpLm5ldDCCASIw
DQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBANESWZaTSGFKF8R7e7h2+FZV38uB
P5YGLCkVhRido7Czf4e4/3t3XMWyg8uOxwKyb8U6/Q72daPeJf30O78Q+CWXv1q9
DQ7ipTKt43gIp+rAzw9tugs80BxP+9lKJ5Vrr94h4/1A3wrG4+dFJtvz8PMrhehJ
8ROibPOySrLNQL7uapKA8qDXJALGyZ1QoF56RSoHnwnvh3uU2QYA36bg8K0f0REc
zchDzsRAPZfcLvS+rnDi82bSyqhvHwn7R3cvHO+TtnfZh1ZJQMUHuHLCbMtAT37r
ukC6Xc4Kd0DwsYlxabZY47zndiP281cGD5JijYixByGKCOAdUren7eCS2hcCAwEA
AaOCAxswggMXMAwGA1UdEwEB/wQCMAAwTwYDVR0fBEgwRjBEoEKgQIY+aHR0cDov
L2NlcnR1bWR2dGxzZzJyMzljYS5jcmwuY2VydHVtLnBsL2NlcnR1bWR2dGxzZzJy
MzljYS5jcmwwgZoGCCsGAQUFBwEBBIGNMIGKMDUGCCsGAQUFBzABhilodHRwOi8v
Y2VydHVtZHZ0bHNnMnIzOWNhLm9jc3AtY2VydHVtLmNvbTBRBggrBgEFBQcwAoZF
aHR0cDovL2NlcnR1bWR2dGxzZzJyMzljYS5yZXBvc2l0b3J5LmNlcnR1bS5wbC9j
ZXJ0dW1kdnRsc2cycjM5Y2EuY2VyMB8GA1UdIwQYMBaAFDOod7cBOG9fHyQkoh5s
FONuIgPfMCEGA1UdIAQaMBgwCAYGZ4EMAQIBMAwGCiqEaAGG9ncCZQEwHQYDVR0l
BBYwFAYIKwYBBQUHAwEGCCsGAQUFBwMCMA4GA1UdDwEB/wQEAwIFoDAjBgNVHREE
HDAaggwqLmRvZXJnaS5uZXSCCmRvZXJnaS5uZXQwggF/BgorBgEEAdZ5AgQCBIIB
bwSCAWsBaQB3AETCvQzpFA5kpclKAZMKWqG7NZcOAO4RFoloKhxE17VmAAABoACO
Cb0AAAQDAEgwRgIhAL8R+hPXjYANBp4FcyINSTT3ZdxJNZ4GO6OdJytQ1EypAiEA
zFg7lMjfmPqzgZ42/WLgJ8b50v0zwub47c3dZpyc9lYAdgDW1Y2p0BdT82pKoMdX
SQKv68fcLNOM2fdkyAyJGR6fAgAAAaAAjgnyAAAEAwBHMEUCIFPR4pumrUwqSMRE
NN2DFZEPomKt0jGq08dgbUANkfP1AiEAuGm9X+sScuYccbXEfk8+dD/RMBL6njNh
vE8TLDpq5cAAdgAcn2gs6frwRWlQ+BuWiofd2zIQ2EzmyLLjglJKxM9ZnwAAAaAA
jgrfAAAEAwBHMEUCIQDdzm04OrsipEmAuyBIzR5lL7aubLzyGa2ONbMCrb+9vAIg
B7o0O39ygs76vWeI9gOMD8f22kMDLDYxWrFBi8e7qBIwDQYJKoZIhvcNAQELBQAD
ggIBAI2f8gGU7antqettBS/rDCPFB1TOObgRlZFjuHR6OpS5SgdWMS8xA4BW4cFh
nMuPWRfFLYAgyPixFh1cHADRUDOheRTweuTQaM+96mqubHec4/KAAof2KyLiokWX
oxsHNcjMuhM8h3juHG2foGIXO7qrVuF1020uBusuNfngMd3XTbeGfv5CzkH1qsqT
vo3M28Dil6T5eSBex4TutpA7ohMYFLWGAfKB35hAe76DZGpc+a5br9cjOLR6Cri5
266ciKdnjbE9kgj6FBa4xHCpnOlpjX5mnAqbs+LDOHYalCs3NIKVwLaveWrg2b4k
8V98BcKlyMolH1xeDBF0BkPFs5zMJnxTSLqu/JkVnV59fr0PfMTW8cqjHTp1xDnR
XdbJ61Pt8W8Pa3LHEQG2abMkZdMFa0B367ko07e4eqHjZWYOGvrW3QCgK3vFv7ic
bf8Xjz4jmWvb3uBjVR6BLee191Hem675eA/yog7lc/8opTUBu4XJQJfUv44WbKgM
/3JEZGncalIYjxsfpDCA2Vny72NpR0e4DvvCH023Czdrroh4BTZ//Hs/2JRVn8hj
rSEUdGINBlCTl6zrpFkYtmg14h+mneGUWCGAZFVfYqbay5CVagBQyceG6Fze2UrT
1sqR02h2qj0biBye9A5Y+St8tXqJ+W3kpKdWumKkzftojtYV
-----END CERTIFICATE-----

Cipher: ECDHE-RSA-AES128-GCM-SHA256 · Checked 2026-10-25T20:23:46+00:00

Server-presented chain · 1 additional certificate

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
4605
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-----

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

View certificate JSON

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