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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

TLSv1.3

mail.hostnegar.com · 158.58.187.124:443

Verified

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

Subject
CN=*.hostnegar.com
Issuer
C=PL O=Asseco Data Systems S.A. CN=Certum DV TLS G2 R39 CA
Valid from
2025-11-02T11:48:40+00:00
Expires
2026-12-02T11:48:39+00:00
Days remaining
51
Serial (hex)
250D0AFB1B9704D240F23BBD11DA4DFD
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:*.hostnegar.com, DNS:hostnegar.com

SHA-256 fingerprint

A9:F2:A9:FB:CB:C2:D9:AF:63:75:08:F6:47:9B:56:F6:98:EC:2E:11:C5:15:EC:BD:39:28:69:C3:A3:98:5A:C7
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:*.hostnegar.com, DNS:hostnegar.com
ct_precert_scts
Signed Certificate Timestamp: Version : v1 (0x0) Log ID : AC:AB:30:70:6C:EB:EC:84:31:F4:13:D2:F4:91:5F:11: 1E:42:24:43:B1:F2:A6:8C:4F:3C:2B:3B:A7:1E:02:C3 Timestamp : Nov 2 11:48:42.008 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:40:37:B9:08:C9:63:D1:F7:8B:F8:8F:CC: 74:26:35:31:D1:FD:8A:EB:81:F9:11:12:56:7B:C2:AD: EA:85:D0:02:02:21:00:A2:67:45:AB:30:21:3F:FE:FC: BB:84:D8:BE:F3:E0:43:21:4D:39:35:35:A1:E5:4C:22: 92:10:C8:27:8A:DD:F1 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : D7:6D:7D:10:D1:A7:F5:77:C2:C7:E9:5F:D7:00:BF:F9: 82:C9:33:5A:65:E1:D0:B3:01:73:17:C0:C8:C5:69:77 Timestamp : Nov 2 11:48:42.002 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:64:73:B1:76:91:28:0D:25:61:48:57:8C: 59:FD:FB:04:B4:3D:60:14:A1:68:1C:82:2E:3B:2D:67: A6:A8:60:5B:02:21:00:F8:DA:FD:FA:87:75:6D:63:0A: 8E:3A:B7:34:71:39:14:97:1B:65:3A:6A:9E:4E:29:51: 46:EA:69:6C:52:8B:AA 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 : Nov 2 11:48:42.042 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:46:02:21:00:8F:86:D8:AB:0C:0D:79:6C:AD:98:9E: 50:9C:C0:7A:14:73:02:86:B6:61:5E:82:8B:9D:1D:BD: 4A:63:AB:9E:4D:02:21:00:C0:DB:D4:07:6F:D7:E8:C7: D0:6D:23:2B:1C:46:32:F5:2D:8C:22:42:36:CF:43:72: F1:0C:CD:8D:34:9F:84:E7
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_128_GCM_SHA256 · Checked 2026-10-11T15:01:59+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
4619
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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