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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

mxbackup.unit-it.dk · 212.98.91.203:443

Verified

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

Subject
CN=*.unit-it.dk
Issuer
C=US O=DigiCert Inc OU=www.digicert.com CN=RapidSSL TLS RSA CA G1
Valid from
2026-01-05T00:00:00+00:00
Expires
2027-01-04T23:59:59+00:00
Days remaining
64
Serial (hex)
044A65B7EC5D8C400ECF10C871BF22DC
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:*.unit-it.dk, DNS:unit-it.dk

SHA-256 fingerprint

6F:E3:C5:4F:E0:25:C9:CA:8B:78:83:95:D0:4E:E0:FD:5C:8D:78:7F:69:AF:9C:EB:D5:5A:73:FF:5E:30:A2:9C
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
ED:29:16:1B:40:F4:3E:7F:71:F8:39:BA:10:58:94:30:24:47:72:F9
subjectAltName
DNS:*.unit-it.dk, DNS:unit-it.dk
certificatePolicies
Policy: 2.23.140.1.2.1 CPS: http://www.digicert.com/CPS
keyUsage
Digital Signature, Key Encipherment
extendedKeyUsage
TLS Web Server 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 : Jan 5 11:06:51.934 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:46:02:21:00:90:1D:D1:79:96:70:71:C0:9A:95:B8: 4E:9B:F0:9A:EE:84:C1:E7:BB:5C:A4:86:B7:7F:5A:A2: 45:8A:84:F2:30:02:21:00:B8:C6:D4:49:6E:D3:52:66: 6C:58:21:6B:01:B7:49:87:63:57:35:E0:B2:97:98:FC: 99:67:CE:3D:5F:7C:01:C4 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 : Jan 5 11:06:51.950 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:47:48:49:0B:66:63:11:91:AB:7A:37:2E: 1C:27:98:C0:22:28:E0:4B:FE:E0:54:AE:86:C7:94:73: 6D:85:31:B3:02:20:0A:98:7D:74:A2:A9:64:6F:40:B8: A5:BC:C2:4E:FD:F1:2D:E6:F1:75:DB:D9:30:24:56:26: 69:6D:C2:F4:98:34 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 : Jan 5 11:06:52.178 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:46:02:21:00:BA:ED:88:F9:79:9F:30:79:B3:E0:FF: F7:6E:CA:BE:2F:BE:BC:3D:72:4B:9B:9A:CC:0E:31:93: C7:F9:78:86:99:02:21:00:A3:2A:22:A9:C8:4F:10:17: EC:95:0C:34:B9:DE:39:AE:8F:2E:7A:14:F7:65:43:AF: 6E:DD:C3:EC:9E:06:19:52
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_256_GCM_SHA384 · Checked 2026-11-01T05:14:04+00:00

Server-presented chain · 2 additional certificates

Chain certificate 1

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
4093
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-----

Chain certificate 2

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
366
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.

View certificate JSON

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