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

TLSv1.2

telindustelecom.lu · 31.204.90.193:443

Verified

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

Subject
CN=*.telindustelecom.lu
Issuer
C=BE O=GlobalSign nv-sa CN=GlobalSign GCC R3 DV TLS CA 2020
Valid from
2026-02-23T13:09:50+00:00
Expires
2027-03-27T13:09:49+00:00
Days remaining
182
Serial (hex)
37D6896728DCF80297864D75
Signature
RSA-SHA256
Public key
RSA 4096

Subject alternative names (SAN)

DNS:*.telindustelecom.lu, DNS:telindustelecom.lu

SHA-256 fingerprint

8B:79:74:D6:1C:C1:E0:FE:77:39:20:70:A7:51:B1:BA:D2:2A:9B:8B:DD:B1:BE:7D:68:34:29:2F:08:92:66:A4
Certificate extensions & PEM
keyUsage
Digital Signature, Key Encipherment
basicConstraints
CA:FALSE
authorityInfoAccess
CA Issuers - URI:http://secure.globalsign.com/cacert/gsgccr3dvtlsca2020.crt OCSP - URI:http://ocsp.globalsign.com/gsgccr3dvtlsca2020
certificatePolicies
Policy: 1.3.6.1.4.1.4146.1.10 CPS: https://www.globalsign.com/repository/ Policy: 2.23.140.1.2.1
crlDistributionPoints
Full Name: URI:http://crl.globalsign.com/gsgccr3dvtlsca2020.crl
subjectAltName
DNS:*.telindustelecom.lu, DNS:telindustelecom.lu
extendedKeyUsage
TLS Web Server Authentication, TLS Web Client Authentication
authorityKeyIdentifier
0D:98:C0:73:7F:AB:BD:BD:D9:47:4B:49:AD:0A:4A:0C:AC:3E:C7:7C
subjectKeyIdentifier
B6:AF:12:94:FE:BA:9D:E4:95:2E:15:1B:99:8A:6A:44:82:41:0F:50
ct_precert_scts
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 : Feb 23 13:09:54.177 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:46:02:21:00:B4:E6:E2:54:10:90:C9:D6:EB:02:10: FE:9B:62:FF:EC:8B:97:D1:2B:5D:F4:E3:90:60:AA:C8: 06:28:A0:E6:75:02:21:00:85:F5:4E:A4:41:30:50:53: 90:52:12:6E:9E:C7:97:48:48:44:EC:FF:58:15:67:B5: 4C:90:87:8E:55:16:22:2D 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 : Feb 23 13:09:53.837 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:46:02:21:00:E7:FD:26:89:58:C4:B1:05:44:AF:0B: 35:4D:F3:2E:14:56:C2:AA:BE:7F:25:B2:03:D7:F8:3F: 4B:99:33:42:C9:02:21:00:89:58:EA:DC:09:D4:06:D9: 27:82:91:F5:D5:43:46:DD:10:FE:6D:72:08:EB:A8:38: 5E:DE:86:85:80:6C:EE:EB 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 : Feb 23 13:09:53.673 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:46:02:21:00:B9:C5:05:6A:F7:52:0E:0E:06:F4:87: A2:7F:34:37:8A:C2:49:DA:45:C8:40:24:CA:F2:00:F6: B0:FB:AE:57:10:02:21:00:D4:53:36:2C:69:10:82:BD: F6:5D:D0:EF:5D:FE:9B:C1:F3:97:D2:28:49:7E:DB:1A: 9B:89:13:4B:31:46:5B:23
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: ECDHE-RSA-AES256-SHA384 · Checked 2026-09-25T14:47:37+00:00

Server-presented chain · 2 additional certificates

Chain certificate 1

Subject
C=BE O=GlobalSign nv-sa CN=GlobalSign GCC R3 DV TLS CA 2020
Issuer
OU=GlobalSign Root CA - R3 O=GlobalSign CN=GlobalSign
Valid from
2020-07-28T00:00:00+00:00
Expires
2029-03-18T00:00:00+00:00
Days remaining
904
Serial (hex)
77BD0E0742D5D9E9D049D774D02A6F9A
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

76:25:38:43:95:09:C4:11:C4:37:D3:C5:67:56:3E:13:78:67:12:81:FC:4A:14:64:AD:D0:31:87:08:43:67:6E
Certificate extensions & PEM
keyUsage
Digital Signature, Certificate Sign, CRL Sign
extendedKeyUsage
TLS Web Server Authentication, TLS Web Client Authentication
basicConstraints
CA:TRUE, pathlen:0
subjectKeyIdentifier
0D:98:C0:73:7F:AB:BD:BD:D9:47:4B:49:AD:0A:4A:0C:AC:3E:C7:7C
authorityKeyIdentifier
8F:F0:4B:7F:A8:2E:45:24:AE:4D:50:FA:63:9A:8B:DE:E2:DD:1B:BC
authorityInfoAccess
OCSP - URI:http://ocsp2.globalsign.com/rootr3 CA Issuers - URI:http://secure.globalsign.com/cacert/root-r3.crt
crlDistributionPoints
Full Name: URI:http://crl.globalsign.com/root-r3.crl
certificatePolicies
Policy: X509v3 Any Policy CPS: https://www.globalsign.com/repository/
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Chain certificate 2

Subject
OU=GlobalSign Root CA - R3 O=GlobalSign CN=GlobalSign
Issuer
OU=GlobalSign Root CA - R3 O=GlobalSign CN=GlobalSign
Valid from
2009-03-18T10:00:00+00:00
Expires
2029-03-18T10:00:00+00:00
Days remaining
904
Serial (hex)
04000000000121585308A2
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

CB:B5:22:D7:B7:F1:27:AD:6A:01:13:86:5B:DF:1C:D4:10:2E:7D:07:59:AF:63:5A:7C:F4:72:0D:C9:63:C5:3B
Certificate extensions & PEM
keyUsage
Certificate Sign, CRL Sign
basicConstraints
CA:TRUE
subjectKeyIdentifier
8F:F0:4B:7F:A8:2E:45:24:AE:4D:50:FA:63:9A:8B:DE:E2:DD:1B:BC
-----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

Registration / WHOIS →DNS records →