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

mail.datamax.at · 185.198.232.24:443

Verified

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

Subject
CN=cpcalendars.datamax.at
Issuer
C=US O=Let's Encrypt CN=YR2
Valid from
2026-09-29T12:25:36+00:00
Expires
2026-12-28T12:25:35+00:00
Days remaining
88
Serial (hex)
05A4C1537E4E647BA9569EA786A2BAF04D49
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

81:05:10:A3:68:1B:5E:B8:5E:6F:D3:B3:4E:6B:7D:0F:35:83:76:79:5B:3A:86:D8:40:07:39:34:54:2C:CC:BC
Certificate extensions & PEM
keyUsage
Digital Signature, Key Encipherment
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:FALSE
subjectKeyIdentifier
5B:DA:85:C0:E1:B9:59:5E:9D:94:42:33:AE:FB:42:9C:F9:70:B7:81
authorityKeyIdentifier
40:15:2D:26:79:ED:32:20:9E:DF:9A:72:1D:D6:32:1F:81:0C:81:0C
authorityInfoAccess
CA Issuers - URI:http://yr2.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://yr2.c.lencr.org/74.crl
ct_precert_scts
Signed Certificate Timestamp: Version : v1 (0x0) Log ID : CB:38:F7:15:89:7C:84:A1:44:5F:5B:C1:DD:FB:C9:6E: F2:9A:59:CD:47:0A:69:05:85:B0:CB:14:C3:14:58:E7 Timestamp : Sep 29 13:24:06.381 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:3D:9E:93:BC:8F:92:58:7C:6C:A1:0B:37: AB:81:F1:A1:EC:87:F7:38:2B:C2:8C:8E:C9:EB:A0:08: E3:49:40:B0:02:20:19:7F:52:56:AA:F4:CB:6E:55:C4: 70:3C:71:C8:B5:EF:DF:1E:FA:65:3C:01:8D:98:F2:D6: D7:8D:84:3D:2D:C0 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 26:E3:64:6E:58:69:21:23:BC:34:3F:47:24:35:9B:37: 92:CD:24:5A:88:D8:15:D3:93:33:FD:99:18:AB:47:23 Timestamp : Sep 29 13:24:03.792 2026 GMT Extensions: 00:00:05:00:47:CB:4B:CE Signature : ecdsa-with-SHA256 30:44:02:20:4B:64:51:1B:27:3C:C7:ED:83:F6:D0:B5: AA:C9:F1:E0:8C:61:AA:D8:2A:6B:68:FE:D2:80:4E:CC: E1:29:0D:72:02:20:6B:87:49:48:38:E8:5E:A6:BD:26: D6:49:46:0C:13:C7:78:4E:74:DC:B4:BC:59:D0:EC:62: 7B:F3:E9:3F:54:40
-----BEGIN CERTIFICATE-----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==
-----END CERTIFICATE-----

Cipher: TLS_AES_128_GCM_SHA256 · Checked 2026-09-30T13:15:33+00:00

Server-presented chain · 2 additional certificates

Chain certificate 1

Subject
C=US O=Let's Encrypt CN=YR2
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
703
Serial (hex)
4EBD24947E24D394802D84A52FD5B319
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

23:8B:85:A0:09:9C:65:B9:70:47:7D:57:24:F1:A1:D4:75:CE:50:58:CF:FE:4E:FA:87:33:89:9B:DB:86:3C:47
Certificate extensions & PEM
keyUsage
Digital Signature, Certificate Sign, CRL Sign
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:TRUE, pathlen:0
subjectKeyIdentifier
40:15:2D:26:79:ED:32:20:9E:DF:9A:72:1D:D6:32:1F:81:0C:81:0C
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
2164
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-----
MIIF9DCCA9ygAwIBAgIRAPJLbRf52a18scn+p4eCaZ8wDQYJKoZIhvcNAQELBQAw
TzELMAkGA1UEBhMCVVMxKTAnBgNVBAoTIEludGVybmV0IFNlY3VyaXR5IFJlc2Vh
cmNoIEdyb3VwMRUwEwYDVQQDEwxJU1JHIFJvb3QgWDEwHhcNMjYwNTEzMDAwMDAw
WhcNMzIwOTAyMjM1OTU5WjAuMQswCQYDVQQGEwJVUzENMAsGA1UEChMESVNSRzEQ
MA4GA1UEAxMHUm9vdCBZUjCCAiIwDQYJKoZIhvcNAQEBBQADggIPADCCAgoCggIB
ANvGJnN78CTJdWL3+eGfsLN5TrNBJs+VH9hRXqRbwxu9sGNiB0BD1fcOxbSUQCJI
M1xE13Db+5Cw1w0s0EBYsvuIP/6joF0w8cuImbgR1OGgYbSQ4OpzI+DG8SGuTlcE
873OCS+kh3srlo6vl43M5OJg4Aeo1sfHp6kTJDoIiFBNJAY+OKfX/FUvYKuhjT+n
o49lmqmupSBI5PkBQiqrEGtWU5uxU/cQWHGu8jSjFBznZqvbNPLMXMLFxCb3WTfr
JBXXjqvWG+v4bjzxjjeAtOlU7qarRDvNOyAuQYLln904M+faKx8hnLCpJ15ZqaEg
cNlY+9MMWcC5yvL2A2j3l9+2buggZX+dOE91zYmIdawTvSZuVvlbRrAlLxIB6pwM
BjneXCjYQ8+3BCCjssbSNpZU3hTcBDdhfAlEDlYr6pEatnMdmDT5BqnKC92bd0Eh
M1fbLHioLccLCuievT8ZkPhZrq7Mii7gNXAcUEAR8+lzYal+9zTg7C5DALyVOeG/
CqfRAMn1KSHCR0NSA6P8tn/mGRlnCct5rtVCLnVySVpU6H1qGg3DgTOuskf8eahT
MiYbI5ezPJmO5ertalskQ1utp74+eDy92PI4ftHKTbq9IWhH4YZKh3WnJEIt+oQv
lYZbY8tpEroKrFB6PFGzrJIDRyts4HqvuH52RFj2zv/BAgMBAAGjgeswgegwDgYD
VR0PAQH/BAQDAgEGMBMGA1UdJQQMMAoGCCsGAQUFBwMBMA8GA1UdEwEB/wQFMAMB
Af8wHQYDVR0OBBYEFN7nW2DQIm1AKH0/DQH+pLVStFGUMB8GA1UdIwQYMBaAFHm0
WeZ7tuXkAXOACIjIGlj26ZtuMDIGCCsGAQUFBwEBBCYwJDAiBggrBgEFBQcwAoYW
aHR0cDovL3gxLmkubGVuY3Iub3JnLzATBgNVHSAEDDAKMAgGBmeBDAECATAnBgNV
HR8EIDAeMBygGqAYhhZodHRwOi8veDEuYy5sZW5jci5vcmcvMA0GCSqGSIb3DQEB
CwUAA4ICAQA8spSI95KKfn2W6GMmDpHBJSPaLbsS3W93cijJCRCYAc1fsJgL1FIL
7C0C9ecPOdcwB2fi0Dk2p94j9iTJCxmt5CFSKLRWwnXT2MMSXexVxqoVB79BdWPx
VXETkVme/qYSAuKVHh5Ps+5BixgmwS1JkjSAc+MfrUbNssVEEnH0aEiAh+rotXAV
JSP/Ye7LJPEwD9DWG72vVWbhAcuOf5OLjz57Ctk7MgQHynZ7+PlHJtajroCaIbtC
r6tcZZaAwUQm+jQyeWdV+2hv9deOYFmKeQyjjcSrN5Nadrw+L9DZJLbA1HqeNvLh
BgqpP0fvJq2N6EtD574N6eMI7uMsJTnji2UDz9el5XLSv9fqJMuDQtYVb2oTNoKp
oUqhxPVC0aq4eG5MESaIdn8b5ZGSSeAJLMHXljEdlNza+ncfkviXk1POLnnFdvx8
/gk6M374WbLWFXw8N141B/Rl/tINGfl1TxOIiqtiMYkL02RSGb1kq34BL9NPP27z
RGMuHGnzS3hFIrRTfKxrzUZ9RzQWzEG3K6fJ3r2nqSltkeytis9DIBoFY9VmVyjL
M71DMi+y1+TRSJVClEMwvA4yL++7q9XZx5r5wBRWB4kQTKH5qyoZnDw7iiuh1lID
yDFx8r7i9vIJU5HS3moZLkYWAOilMaV9N56A9Bgb6dNcHkvg3NoaYA==
-----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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