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

one.hu · 159.60.137.158:443

Verified

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

Subject
C=HU L=Budapest O=One Magyarország Zrt. CN=one.hu
Issuer
C=US O=DigiCert Inc OU=www.digicert.com CN=GeoTrust TLS RSA CA G1
Valid from
2025-12-15T00:00:00+00:00
Expires
2026-12-14T23:59:59+00:00
Days remaining
46
Serial (hex)
097872837D25C95FD62E48325B677AD0
Signature
RSA-SHA256
Public key
RSA 4096

Subject alternative names (SAN)

DNS:one.hu, DNS:www.one.hu

SHA-256 fingerprint

63:98:11:C5:77:C3:F4:22:94:DF:99:A7:80:1D:04:68:31:D7:E6:A3:B5:4A:C9:2B:AF:62:62:B7:63:03:E3:B1
Certificate extensions & PEM
authorityKeyIdentifier
94:4F:D4:5D:8B:E4:A4:E2:A6:80:FE:FD:D8:F9:00:EF:A3:BE:02:57
subjectKeyIdentifier
E0:3A:E9:7E:27:10:2B:10:49:42:7F:6A:89:3A:0A:04:E3:59:8D:D2
subjectAltName
DNS:one.hu, DNS:www.one.hu
certificatePolicies
Policy: 2.23.140.1.2.2 CPS: http://www.digicert.com/CPS
keyUsage
Digital Signature, Key Encipherment
extendedKeyUsage
TLS Web Server Authentication
crlDistributionPoints
Full Name: URI:http://cdp.geotrust.com/GeoTrustTLSRSACAG1.crl
authorityInfoAccess
OCSP - URI:http://status.geotrust.com CA Issuers - URI:http://cacerts.geotrust.com/GeoTrustTLSRSACAG1.crt
basicConstraints
CA:FALSE
ct_precert_scts
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 : Dec 15 13:27:38.616 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:7D:7C:0D:45:0E:69:33:A1:85:96:D8:9D: C4:C7:F6:1D:63:62:66:C6:8B:5E:00:1B:17:2D:30:A6: 17:1A:AB:89:02:21:00:C2:89:7C:A8:2A:2F:61:83:18: 04:FE:77:E7:3B:75:03:A2:31:9C:5B:59:04:97:59:51: 35:47:CB:DE:85:5B:09 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : C8:A3:C4:7F:C7:B3:AD:B9:35:6B:01:3F:6A:7A:12:6D: E3:3A:4E:43:A5:C6:46:F9:97:AD:39:75:99:1D:CF:9A Timestamp : Dec 15 13:27:38.680 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:46:02:21:00:FB:ED:64:EB:03:6C:00:32:84:5C:1A: 4E:92:1E:35:1C:66:6F:50:AA:88:C5:F6:25:7A:19:1A: 4E:4D:20:FC:C2:02:21:00:84:3C:40:C8:F5:FC:06:76: F8:97:E5:16:6D:46:92:41:B7:29:46:30:6B:95:17:D9: 9B:EE:DC:FB:B8:FE:16: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 : Dec 15 13:27:38.653 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:DB:18:E4:5B:92:A5:75:6E:1B:2B:C4: D7:00:DF:24:CC:3D:59:84:B9:1D:FD:31:DA:D5:6A:AE: 6A:7F:39:E9:E2:02:20:2B:8B:E9:B6:1F:05:59:7F:FE: B4:9C:0E:AE:7B:D8:03:49:D9:C7:B4:0F:8E:43:22:09: 43:05:58:47:67:06:52
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_128_GCM_SHA256 · Checked 2026-10-29T07:19:23+00:00

Server-presented chain · 2 additional certificates

Chain certificate 1

Subject
C=US O=DigiCert Inc OU=www.digicert.com CN=GeoTrust TLS RSA CA G1
Issuer
C=US O=DigiCert Inc OU=www.digicert.com CN=DigiCert Global Root G2
Valid from
2017-11-02T12:23:37+00:00
Expires
2027-11-02T12:23:37+00:00
Days remaining
369
Serial (hex)
0D07782A133FC6F9A57296E131FFD179
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

C0:6E:30:7F:7C:FC:1D:32:FA:72:A4:C0:33:C8:7B:90:01:9A:F2:16:F0:77:5D:64:97:8A:2E:CA:6C:8A:23:0E
Certificate extensions & PEM
subjectKeyIdentifier
94:4F:D4:5D:8B:E4:A4:E2:A6:80:FE:FD:D8:F9:00:EF:A3:BE:02:57
authorityKeyIdentifier
4E:22:54:20:18:95:E6:E3:6E:E6:0F:FA:FA:B9:12:ED:06:17:8F:39
keyUsage
Digital Signature, Certificate Sign, CRL Sign
extendedKeyUsage
TLS Web Server Authentication, TLS Web Client Authentication
basicConstraints
CA:TRUE, pathlen:0
authorityInfoAccess
OCSP - URI:http://ocsp.digicert.com
crlDistributionPoints
Full Name: URI:http://crl3.digicert.com/DigiCertGlobalRootG2.crl
certificatePolicies
Policy: X509v3 Any Policy CPS: https://www.digicert.com/CPS
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Chain certificate 2

Subject
C=US O=DigiCert Inc OU=www.digicert.com CN=DigiCert Global Root G2
Issuer
C=US O=DigiCert Inc OU=www.digicert.com CN=DigiCert Global Root G2
Valid from
2013-08-01T12:00:00+00:00
Expires
2038-01-15T12:00:00+00:00
Days remaining
4096
Serial (hex)
033AF1E6A711A9A0BB2864B11D09FAE5
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

CB:3C:CB:B7:60:31:E5:E0:13:8F:8D:D3:9A:23:F9:DE:47:FF:C3:5E:43:C1:14:4C:EA:27:D4:6A:5A:B1:CB:5F
Certificate extensions & PEM
basicConstraints
CA:TRUE
keyUsage
Digital Signature, Certificate Sign, CRL Sign
subjectKeyIdentifier
4E:22:54:20:18:95:E6:E3:6E:E6:0F:FA:FA:B9:12:ED:06:17:8F:39
-----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

Registration / WHOIS →DNS records →