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

datamax.at · 185.198.232.24:443

Verified

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

Subject
CN=baierdorf.at
Issuer
C=US O=Let's Encrypt CN=YR1
Valid from
2026-07-30T12:24:34+00:00
Expires
2026-10-28T12:24:33+00:00
Days remaining
35
Serial (hex)
05AF3AD041BF3C403F858C12FE5FCB061E83
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:baierdorf.at, DNS:cpanel.datamax.at, DNS:cpcalendars.datamax.at, DNS:cpcontacts.datamax.at, DNS:datamax.at, DNS:ipv6.datamax.at, DNS:mail.baierdorf.at, DNS:mail.datamax.at, DNS:webdisk.datamax.at, DNS:webmail.datamax.at, DNS:www.baierdorf.at, DNS:www.datamax.at

SHA-256 fingerprint

A5:89:41:11:F8:92:79:F9:B1:25:C1:42:C0:40:07:12:3B:D3:62:64:6D:3A:CA:81:84:7F:6F:6E:9F:1B:E5:AF
Certificate extensions & PEM
keyUsage
Digital Signature, Key Encipherment
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:FALSE
subjectKeyIdentifier
43:5A:FD:6D:75:C7:0C:FC:F5:9A:4D:65:F9:C3:11:84:E2:0A:3C:38
authorityKeyIdentifier
1F:2F:35:BE:46:14:82:CD:40:B1:AE:79:2C:55:78:FA:F7:D4:68:FB
authorityInfoAccess
CA Issuers - URI:http://yr1.i.lencr.org/
subjectAltName
DNS:baierdorf.at, DNS:cpanel.datamax.at, DNS:cpcalendars.datamax.at, DNS:cpcontacts.datamax.at, DNS:datamax.at, DNS:ipv6.datamax.at, DNS:mail.baierdorf.at, DNS:mail.datamax.at, DNS:webdisk.datamax.at, DNS:webmail.datamax.at, DNS:www.baierdorf.at, DNS:www.datamax.at
certificatePolicies
Policy: 2.23.140.1.2.1
crlDistributionPoints
Full Name: URI:http://yr1.c.lencr.org/4.crl
ct_precert_scts
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 : Jul 30 13:23:04.577 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:C6:EC:72:4F:16:C0:4A:3B:55:8A:BB: 87:1A:02:C0:3D:9A:41:D8:23:23:F7:D1:59:D9:73:08: B0:4F:1B:88:B0:02:20:24:F5:E1:CB:30:76:A4:27:53: 63:72:22:F3:C8:8A:FB:17:CB:F8:B4:6E:AA:20:4F:80: ED:EE:B8:7E:F7:3A:63 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 46:AF:86:3D:3B:3E:E5:9F:A5:77:DE:A8:24:5D:36:B0: D9:ED:22:A2:23:F4:61:77:41:22:94:52:EE:95:50:5F Timestamp : Jul 30 13:23:04.640 2026 GMT Extensions: 00:00:05:00:0F:22:23:6A Signature : ecdsa-with-SHA256 30:45:02:21:00:B1:8E:38:8F:A0:44:6A:03:A9:E2:1F: 51:3C:39:7A:7A:3A:F6:63:3E:82:3E:E9:F0:9D:D3:42: DE:46:F3:2A:5D:02:20:49:4C:68:BF:40:5E:CB:A6:C7: BA:29:64:BC:48:9B:13:3A:17:03:0F:D3:B1:81:52:DC: A4:D9:3C:1C:5E:15:7C
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_128_GCM_SHA256 · Checked 2026-09-23T11:01:37+00:00

Server-presented chain · 2 additional certificates

Chain certificate 1

Subject
C=US O=Let's Encrypt CN=YR1
Issuer
C=US O=ISRG CN=Root YR
Valid from
2025-09-03T00:00:00+00:00
Expires
2028-09-02T23:59:59+00:00
Days remaining
710
Serial (hex)
A20253F15F2691C05DC1CE13B9BCCA4E
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

13:94:96:34:D9:9C:D6:FD:6A:A8:0B:C0:34:FE:FA:CC:EB:19:69:FE:EF:98:65:86:71:3E:CD:BB:05:75:8D:3F
Certificate extensions & PEM
keyUsage
Digital Signature, Certificate Sign, CRL Sign
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:TRUE, pathlen:0
subjectKeyIdentifier
1F:2F:35:BE:46:14:82:CD:40:B1:AE:79:2C:55:78:FA:F7:D4:68:FB
authorityKeyIdentifier
DE:E7:5B:60:D0:22:6D:40:28:7D:3F:0D:01:FE:A4:B5:52:B4:51:94
authorityInfoAccess
CA Issuers - URI:http://yr.i.lencr.org/
certificatePolicies
Policy: 2.23.140.1.2.1
crlDistributionPoints
Full Name: URI:http://yr.c.lencr.org/ 
-----BEGIN CERTIFICATE-----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=
-----END CERTIFICATE-----

Chain certificate 2

Subject
C=US O=ISRG CN=Root YR
Issuer
C=US O=Internet Security Research Group CN=ISRG Root X1
Valid from
2026-05-13T00:00:00+00:00
Expires
2032-09-02T23:59:59+00:00
Days remaining
2171
Serial (hex)
F24B6D17F9D9AD7CB1C9FEA78782699F
Signature
RSA-SHA256
Public key
RSA 4096

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

07:26:39:D0:B1:40:D5:BF:FA:E1:6A:D9:C3:F6:CC:60:86:04:06:21:F5:1E:E6:1A:6D:46:A8:91:5C:07:CF:76
Certificate extensions & PEM
keyUsage
Certificate Sign, CRL Sign
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:TRUE
subjectKeyIdentifier
DE:E7:5B:60:D0:22:6D:40:28:7D:3F:0D:01:FE:A4:B5:52:B4:51:94
authorityKeyIdentifier
79:B4:59:E6:7B:B6:E5:E4:01:73:80:08:88:C8:1A:58:F6:E9:9B:6E
authorityInfoAccess
CA Issuers - URI:http://x1.i.lencr.org/
certificatePolicies
Policy: 2.23.140.1.2.1
crlDistributionPoints
Full Name: URI:http://x1.c.lencr.org/ 
-----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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