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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

zetup.se · 109.205.219.157:443

Unverified
Certificate verification failed. These are unverified certificate details presented by the server. Peer certificate subjectAltName did not match expected name `zetup.se'

Certificate verification failed

Subject
CN=servicedesk.zetup.se
Issuer
C=US O=Let's Encrypt CN=YR1
Valid from
2026-10-22T23:08:57+00:00
Expires
2027-01-20T23:08:56+00:00
Days remaining
70
Serial (hex)
05B74B30A65E69AFEA6D086E84073E4D55E1
Signature
RSA-SHA256
Public key
RSA 4096

Subject alternative names (SAN)

DNS:servicedesk.zetup.se

SHA-256 fingerprint

85:D3:37:EA:9A:D0:B5:C4:20:09:9E:7B:3B:53:11:DB:8A:E5:F8:B3:D3:EE:86:D6:16:56:3F:AA:97:14:70:85
Certificate extensions & PEM
keyUsage
Digital Signature, Key Encipherment
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:FALSE
subjectKeyIdentifier
82:2B:31:FA:31:BA:40:EE:78:48:EB:C6:19:E2:F3:F7:2D:23:4A:FB
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:servicedesk.zetup.se
certificatePolicies
Policy: 2.23.140.1.2.1
crlDistributionPoints
Full Name: URI:http://yr1.c.lencr.org/98.crl
ct_precert_scts
Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 44:C2:BD:0C:E9:14:0E:64:A5:C9:4A:01:93:0A:5A:A1: BB:35:97:0E:00:EE:11:16:89:68:2A:1C:44:D7:B5:66 Timestamp : Oct 23 00:07:27.579 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:46:02:21:00:9A:26:CA:96:AD:E6:56:59:46:E1:3F: EB:FD:7B:74:7E:8C:EC:19:D1:D6:58:62:03:32:FB:B4: D1:73:55:2A:DC:02:21:00:F0:61:84:B6:C9:9E:8B:C3: 70:BB:2B:47:88:DA:34:7E:6C:57:41:BF:E6:7C:B5:86: 39:0A:11:6A:BB:52:D1:8B Signed Certificate Timestamp: Version : v1 (0x0) Log ID : A2:81:00:18:73:4E:17:6E:1D:47:E0:95:40:F3:81:BA: 54:66:97:CD:63:A8:43:50:71:6E:B8:09:4E:DA:F1:0D Timestamp : Oct 23 00:07:28.088 2026 GMT Extensions: 00:00:05:00:2B:76:BE:BD Signature : ecdsa-with-SHA256 30:45:02:21:00:C9:57:A8:3C:4F:49:5C:48:62:B5:0E: F5:55:89:06:09:B7:6D:7A:D2:FC:D4:67:4A:C0:6A:5C: ED:86:A0:5C:79:02:20:4A:77:76:0E:15:D8:87:3F:8D: 13:99:5B:24:61:0B:48:15:D4:90:F5:59:10:D4:7D:B6: 00:95:E4:FE:D2:A5:B5
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_256_GCM_SHA384 · Checked 2026-11-11T15:20:31+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
661
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
2122
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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