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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

kraemer-it.de · 212.88.144.74:443

Verified

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

Subject
CN=*.kraemer-it.de
Issuer
C=US O=DigiCert Inc OU=www.digicert.com CN=RapidSSL TLS RSA CA G1
Valid from
2026-09-18T00:00:00+00:00
Expires
2027-04-04T23:59:59+00:00
Days remaining
157
Serial (hex)
0D712A0F0413EE942B2386E8599F8C61
Signature
RSA-SHA256
Public key
RSA 4096

Subject alternative names (SAN)

DNS:*.kraemer-it.de, DNS:kraemer-it.de

SHA-256 fingerprint

86:2F:1C:4C:F5:1F:4A:F6:C8:5F:83:EC:9E:67:79:1F:97:DC:E5:E1:F3:ED:9F:D3:CA:27:E2:EC:25:2C:4B:A2
Certificate extensions & PEM
authorityKeyIdentifier
0C:DB:6C:82:49:0F:4A:67:0A:B8:14:EE:7A:C4:48:52:88:EB:56:38
subjectKeyIdentifier
AD:C4:82:62:14:0E:62:88:EA:32:CD:7F:3B:12:3A:A2:B6:E6:08:F0
subjectAltName
DNS:*.kraemer-it.de, DNS:kraemer-it.de
certificatePolicies
Policy: 2.23.140.1.2.1 CPS: http://www.digicert.com/CPS
keyUsage
Digital Signature, Key Encipherment
extendedKeyUsage
TLS Web Server Authentication, TLS Web Client Authentication
crlDistributionPoints
Full Name: URI:http://cdp.rapidssl.com/RapidSSLTLSRSACAG1.crl
authorityInfoAccess
OCSP - URI:http://status.rapidssl.com CA Issuers - URI:http://cacerts.rapidssl.com/RapidSSLTLSRSACAG1.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 : Sep 18 13:10:35.306 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:7A:2F:3E:34:AE:02:A9:F5:FF:E9:29:35: D9:F6:B0:CC:BE:29:62:DF:DE:90:CF:EA:5E:91:5B:02: 0F:D5:C3:7F:02:21:00:86:87:8E:6C:46:6E:C4:9D:F6: 0E:68:0D:4E:91:1A:5E:1B:D3:63:A7:CE:7C:E3:39:C1: 99:49:29:34:12:43:65 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : D6:D5:8D:A9:D0:17:53:F3:6A:4A:A0:C7:57:49:02:AF: EB:C7:DC:2C:D3:8C:D9:F7:64:C8:0C:89:19:1E:9F:02 Timestamp : Sep 18 13:10:35.319 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:79:41:05:9F:02:5D:CB:AF:D2:9D:1F:BE: 2C:F0:75:B1:81:E1:EF:B1:DB:AB:60:34:F5:E6:39:1E: 52:02:D7:98:02:21:00:C6:06:1B:B4:B8:F9:D3:00:61: EA:F6:6D:30:25:4C:A9:AE:9B:74:8F:48:B7:6F:1E:90: 6C:2B:48:B8:4D:F8:6F 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 : Sep 18 13:10:35.393 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:21:54:9C:9A:73:11:2D:D2:CD:63:C6:AC: E5:AD:D4:09:41:FB:C8:9C:E9:AD:64:4D:DA:B2:9F:72: DD:82:6E:86:02:20:20:BB:C7:7D:9C:92:F0:52:34:F1: 8D:6D:BC:EE:CA:37:AE:54:CE:21:93:3C:0E:D1:D0:BA: CE:54:26:A0:56:8C
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_256_GCM_SHA384 · Checked 2026-10-29T13:50:35+00:00

Server-presented chain · 1 additional certificate

Chain certificate 1

Subject
C=US O=DigiCert Inc OU=www.digicert.com CN=RapidSSL TLS RSA CA G1
Issuer
C=US O=DigiCert Inc OU=www.digicert.com CN=DigiCert Global Root G2
Valid from
2017-11-02T12:24:33+00:00
Expires
2027-11-02T12:24:33+00:00
Days remaining
368
Serial (hex)
0B259422CED9812A15A04E99528A0EFA
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

44:22:E9:63:EE:53:CD:58:CC:9F:85:CD:40:BF:5F:FE:C0:09:5F:DF:1A:15:45:35:66:1C:1C:06:BC:AD:C6:9B
Certificate extensions & PEM
subjectKeyIdentifier
0C:DB:6C:82:49:0F:4A:67:0A:B8:14:EE:7A:C4:48:52:88:EB:56:38
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: 2.16.840.1.114412.1.1 CPS: https://www.digicert.com/CPS Policy: 2.16.840.1.114412.1.2 Policy: 2.23.140.1.2.1 Policy: 2.23.140.1.2.2
-----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.

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