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

chello.at · 213.46.237.24:443

Unverified
Certificate verification failed. These are unverified certificate details presented by the server. Peer certificate CN=`www.ziggo.nl' did not match expected CN=`chello.at'

Certificate verification failed

Subject
C=NL L=Utrecht O=Ziggo Services B.V. CN=www.ziggo.nl
Issuer
C=IE O=DigiCert Ireland Limited CN=DigiCert G2 TLS EU RSA4096 SHA384 2022 CA1
Valid from
2026-02-18T00:00:00+00:00
Expires
2027-02-17T23:59:59+00:00
Days remaining
141
Serial (hex)
0DFA0802B38452BF24C5A52CD3BE726D
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:www.ziggo.nl, DNS:ziggo.nl, DNS:origin.www.ziggo.nl, DNS:secure.ziggo.nl, DNS:mijn.ziggo.nl, DNS:email.ziggo.nl, DNS:redirect.ziggo.nl, DNS:temp-origin.ziggo.nl

SHA-256 fingerprint

1B:F5:26:06:EC:C2:AA:0C:83:11:CD:01:0A:9E:9B:24:8D:A8:13:47:93:4E:58:73:65:F6:E6:57:36:AF:46:3D
Certificate extensions & PEM
authorityKeyIdentifier
18:89:E7:AF:F0:28:F6:7C:CA:68:05:52:E1:62:D8:91:D6:16:65:60
subjectKeyIdentifier
78:6B:D3:81:7D:D0:03:1E:11:ED:41:3D:0A:07:5B:F5:C4:10:BB:DF
subjectAltName
DNS:www.ziggo.nl, DNS:ziggo.nl, DNS:origin.www.ziggo.nl, DNS:secure.ziggo.nl, DNS:mijn.ziggo.nl, DNS:email.ziggo.nl, DNS:redirect.ziggo.nl, DNS:temp-origin.ziggo.nl
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://crl.digicert.eu/DigiCertG2TLSEURSA4096SHA3842022CA1.crl
authorityInfoAccess
OCSP - URI:http://ocsp.digicert.eu CA Issuers - URI:http://cacerts.digicert.eu/DigiCertG2TLSEURSA4096SHA3842022CA1.crt
basicConstraints
CA:FALSE
ct_precert_scts
Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 4C:63:DC:98:E5:9C:1D:AB:88:F6:1E:8A:3D:DE:AE:8F: AB:44:A3:37:7B:5F:9B:94:C3:FB:A1:9C:FC:C1:BE:26 Timestamp : Feb 18 12:56:06.485 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:46:02:21:00:B3:09:FA:5A:27:77:74:F1:09:E2:00: 90:D4:3C:D2:18:51:53:E2:26:3F:9D:0F:7E:14:E3:8B: 0A:4C:0B:C5:0C:02:21:00:BE:31:4C:3A:6F:9C:1D:5F: 85:B4:DE:C2:9F:94:C5:D5:94:3E:4B:57:FC:CB:CE:2B: 96:F7:13:5D:C8:A2:D1:F9 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 18 12:56:06.551 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:76:B3:11:B8:FA:4C:AF:60:3C:5F:DF:16: 07:A1:70:05:42:31:F5:23:F1:EF:2A:BF:F3:56:E1:4A: FD:A3:7A:36:02:21:00:D2:45:8B:EB:F2:DB:BE:86:9B: 14:7C:34:30:2A:CA:8C:94:A9:F6:E1:39:D7:EC:80:8E: B9:AF:CD:4B:9A:B3:C4 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 18 12:56:06.453 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:46:02:21:00:D6:7E:79:4B:6C:25:C6:93:7C:2C:E8: 0D:9C:02:53:28:CA:58:32:07:9F:B3:DE:2E:68:CB:5C: 65:41:ED:8B:CA:02:21:00:D8:F9:CB:00:C5:18:DC:1B: 23:87:2A:F4:51:47:78:34:E6:CF:5B:03:8F:FC:B1:3C: A3:23:BC:D3:C3:47:34:70
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: DHE-RSA-AES256-GCM-SHA384 · Checked 2026-09-29T18:04:36+00:00

Server-presented chain · 1 additional certificate

Chain certificate 1

Subject
C=IE O=DigiCert Ireland Limited CN=DigiCert G2 TLS EU RSA4096 SHA384 2022 CA1
Issuer
C=US O=DigiCert Inc OU=www.digicert.com CN=DigiCert Global Root G2
Valid from
2022-09-19T00:00:00+00:00
Expires
2032-09-18T23:59:59+00:00
Days remaining
2181
Serial (hex)
064F84FF791FA676F29CF36537A2749E
Signature
RSA-SHA384
Public key
RSA 4096

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

A4:AD:FC:29:17:BB:14:51:D3:12:37:1D:44:1A:CD:B6:86:10:7F:BC:0B:31:56:D5:57:0E:99:E1:12:19:74:FA
Certificate extensions & PEM
basicConstraints
CA:TRUE, pathlen:0
subjectKeyIdentifier
18:89:E7:AF:F0:28:F6:7C:CA:68:05:52:E1:62:D8:91:D6:16:65:60
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
authorityInfoAccess
OCSP - URI:http://ocsp.digicert.com CA Issuers - URI:http://cacerts.digicert.com/DigiCertGlobalRootG2.crt
crlDistributionPoints
Full Name: URI:http://crl3.digicert.com/DigiCertGlobalRootG2.crl
certificatePolicies
Policy: 2.16.840.1.114412.2.1 Policy: 2.23.140.1.1 Policy: 2.23.140.1.2.1 Policy: 2.23.140.1.2.2 Policy: 2.23.140.1.2.3
-----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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