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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

sqr.nl · 37.46.140.6:443

Verified

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

Subject
CN=*.sqr.nl
Issuer
C=NL O=PerfectSSL CN=PerfectSSL
Valid from
2026-02-16T00:00:00+00:00
Expires
2027-03-02T23:59:59+00:00
Days remaining
141
Serial (hex)
0E344FB428B17D337D84AA7D465EC015
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:*.sqr.nl, DNS:sqr.nl

SHA-256 fingerprint

2A:AE:9C:BC:CF:78:0A:CA:08:3E:04:7F:0C:92:34:9B:03:5C:F1:53:0F:69:DB:DC:CE:B5:F9:4E:F2:9B:29:6B
Certificate extensions & PEM
authorityKeyIdentifier
B3:4B:39:3E:E3:C9:37:C3:73:78:72:D3:DB:FB:B0:80:20:34:52:59
subjectKeyIdentifier
C9:02:E9:7E:E6:9E:EF:0D:13:31:B2:20:FC:DA:F3:B7:3D:36:E9:C4
subjectAltName
DNS:*.sqr.nl, DNS:sqr.nl
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://crl3.digicert.com/PerfectSSL.crl Full Name: URI:http://crl4.digicert.com/PerfectSSL.crl
authorityInfoAccess
OCSP - URI:http://ocsp.digicert.com CA Issuers - URI:http://cacerts.digicert.com/PerfectSSL.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 : Feb 16 08:30:29.648 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:E0:91:B9:33:5C:88:45:D1:E4:FC:8D: 53:E8:3B:D2:D0:CA:8B:06:38:C2:B5:44:A7:B2:A9:4D: D4:A7:EC:E3:61:02:20:13:6A:F7:8F:41:35:90:C2:B9: 8F:E7:E8:46:75:F9:0A:A0:52:A0:99:61:B6:30:3B:81: B9:68:1B:E9:1C:B4:0A 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 16 08:30:29.659 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:16:67:2A:B1:9F:A1:A5:A7:80:23:18:A2: 15:1B:68:B3:51:78:62:4B:79:CC:39:0C:5E:17:DC:FC: B3:07:B8:3C:02:21:00:E7:02:A5:CE:35:47:A8:C3:60: E0:32:16:FE:50:BF:EE:97:02:15:DB:91:05:7F:CA:42: A2:60:8D:D2:15:08:D5 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 8E:CA:47:0B:AC:DE:6A:F3:A2:06:B0:A4:7A:84:B7:46: FE:1F:C6:BF:95:3E:25:E6:9B:4E:E4:02:48:F3:C6:E8 Timestamp : Feb 16 08:30:29.774 2026 GMT Extensions: 00:00:05:00:02:C5:55:CF Signature : ecdsa-with-SHA256 30:45:02:21:00:DD:59:C5:4F:D3:CF:33:F5:6F:08:E5: B6:A9:4C:67:9D:6B:7A:29:1B:99:AE:62:45:5B:F4:74: 2B:C9:78:8D:E2:02:20:6D:4C:6B:1A:9F:0A:FE:62:9F: 32:5C:20:A3:80:B0:F4:60:6D:67:BF:69:C1:A8:29:92: 22:61:D7:D7:74:12:C7
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_256_GCM_SHA384 · Checked 2026-10-12T18:17:46+00:00

Server-presented chain · 2 additional certificates

Chain certificate 1

Subject
C=NL O=PerfectSSL CN=PerfectSSL
Issuer
C=US O=DigiCert Inc OU=www.digicert.com CN=DigiCert Global Root G2
Valid from
2024-04-17T00:00:00+00:00
Expires
2034-04-16T23:59:59+00:00
Days remaining
2743
Serial (hex)
060476E3F4E165374FF20E11F594C698
Signature
RSA-SHA384
Public key
RSA 4096

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

6B:40:D3:DB:AA:D6:8B:E6:E8:04:E3:20:85:F7:83:7C:EE:08:B7:C4:FA:6A:99:0B:36:22:7A:6D:CF:F0:87:3B
Certificate extensions & PEM
basicConstraints
CA:TRUE, pathlen:0
subjectKeyIdentifier
B3:4B:39:3E:E3:C9:37:C3:73:78:72:D3:DB:FB:B0:80:20:34:52:59
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
authorityInfoAccess
OCSP - URI:http://ocsp.digicert.com CA Issuers - URI:http://cacerts.digicert.com/DigiCertGlobalRootG2.crt
crlDistributionPoints
Full Name: URI:http://crl3.digicert.com/DigiCertGlobalRootG2.crl
certificatePolicies
Policy: X509v3 Any Policy
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Chain certificate 2

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
4112
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-----

One endpoint on port 443. Server-presented chain; no revocation, OCSP, CT or full TLS security scan.

View certificate JSON

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