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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 CN=`servicedesk.zetup.se' did not match expected CN=`zetup.se'

Certificate verification failed

Subject
CN=servicedesk.zetup.se
Issuer
C=US O=Let's Encrypt CN=YR1
Valid from
2026-09-22T23:09:05+00:00
Expires
2026-12-21T23:09:04+00:00
Days remaining
89
Serial (hex)
056450AC3994B6A22FE6BA78EC840923137B
Signature
RSA-SHA256
Public key
RSA 4096

Subject alternative names (SAN)

DNS:servicedesk.zetup.se

SHA-256 fingerprint

D2:24:55:17:C7:2E:83:CA:98:4C:FB:E5:43:D9:10:12:58:B7:1B:F0:AF:65:38:57:F2:B2:EF:E6:2B:A3:82:47
Certificate extensions & PEM
keyUsage
Digital Signature, Key Encipherment
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:FALSE
subjectKeyIdentifier
FC:D6:41:36:2F:7B:96:A5:E0:AB:02:E4:A8:3C:6B:A1:34:51:8F:66
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/124.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 23 00:07:35.693 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:46:02:21:00:AB:77:B9:36:1F:A0:A4:E0:0B:70:9A: 60:5F:2D:5B:EB:3A:00:8F:E1:AC:31:BA:20:50:98:BB: 30:39:A1:EA:DF:02:21:00:83:37:52:2B:8D:FF:B1:2B: D5:1F:B3:08:38:63:66:02:A4:74:AB:92:CF:33:9D:C3: 13:6C:1F:CB:5A:5B:AC:52 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 : Sep 23 00:07:36.653 2026 GMT Extensions: 00:00:05:00:12:CD:3C:EC Signature : ecdsa-with-SHA256 30:45:02:21:00:D3:14:E2:CE:E8:C3:CB:D3:8C:18:96: C4:1C:FF:D4:ED:34:9B:9E:92:AC:2F:F0:90:EE:81:7C: 60:69:0C:D4:AA:02:20:4F:5A:A2:3C:E6:26:71:7B:D4: 72:54:25:14:F7:5F:E9:E0:71:5D:7C:8F:B8:36:35:ED: 04:CE:F9:06:28:A6:22
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_256_GCM_SHA384 · Checked 2026-09-23T00:39:28+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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