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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

kleinweb.dk · 195.43.138.25:443

Verified

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

Subject
CN=kleinweb.dk
Issuer
C=US O=Let's Encrypt CN=YR2
Valid from
2026-09-23T09:16:00+00:00
Expires
2026-12-22T09:15:59+00:00
Days remaining
85
Serial (hex)
06FDD8BC320A66B8E80E8381B5E16CAB416F
Signature
RSA-SHA256
Public key
RSA 4096

Subject alternative names (SAN)

DNS:kleinweb.dk, DNS:www.kleinweb.dk

SHA-256 fingerprint

CC:B1:BF:C3:2D:F3:18:E0:41:C2:0A:20:15:68:23:FE:D7:16:7E:C8:AD:A8:1C:A9:88:9D:03:A6:CE:43:19:7C
Certificate extensions & PEM
keyUsage
Digital Signature, Key Encipherment
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:FALSE
subjectKeyIdentifier
C1:51:19:02:83:51:4B:BB:D8:DB:72:F5:3D:ED:12:F0:D4:16:5E:1B
authorityKeyIdentifier
40:15:2D:26:79:ED:32:20:9E:DF:9A:72:1D:D6:32:1F:81:0C:81:0C
authorityInfoAccess
CA Issuers - URI:http://yr2.i.lencr.org/
subjectAltName
DNS:kleinweb.dk, DNS:www.kleinweb.dk
certificatePolicies
Policy: 2.23.140.1.2.1
crlDistributionPoints
Full Name: URI:http://yr2.c.lencr.org/112.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 10:14:31.046 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:BE:1B:22:3B:A4:77:29:9D:0B:FE:22: 41:07:89:93:88:19:69:9C:2B:7C:64:61:FE:B2:18:E9: B5:FE:FA:34:16:02:20:6C:E9:25:E9:7D:D1:10:03:DC: A6:EF:CC:B2:CD:A6:3F:8E:5D:3F:F2:88:BC:85:D3:46: 24:B3:4F:AC:B0:21:14 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 10:14:31.654 2026 GMT Extensions: 00:00:05:00:13:28:CC:44 Signature : ecdsa-with-SHA256 30:45:02:20:5C:61:06:E0:65:CC:B2:4F:5F:01:3C:9E: 0D:13:EA:98:0D:9F:77:33:09:ED:FE:CB:D2:DC:5B:13: 33:4D:04:21:02:21:00:CE:CE:66:5D:0C:35:E6:1B:82: 79:BA:E7:EA:20:1A:30:E0:AD:A4:55:44:95:FB:FE:A5: 42:AB:49:22:A6:04:BC
-----BEGIN CERTIFICATE-----
MIIGAjCCBOqgAwIBAgISBv3YvDIKZrjoDoOBteFsq0FvMA0GCSqGSIb3DQEBCwUA
MDMxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQwwCgYDVQQD
EwNZUjIwHhcNMjYwOTIzMDkxNjAwWhcNMjYxMjIyMDkxNTU5WjAWMRQwEgYDVQQD
EwtrbGVpbndlYi5kazCCAiIwDQYJKoZIhvcNAQEBBQADggIPADCCAgoCggIBAJ9u
ZHop+ECnNQZjrBCG+LWHNDOkgaa3wgWrpk9rfzOVpbrVr6ZM+P1kTyLogTehnbib
C6v/ktZzIh70JW6Mjh6eRHSAyW1nOebqNh9o3VZztR7KlS8bl2fGicDP2eOMtj+q
JjNIx0jUq1HvNpGBRYdAhXZe9h+QXl387WTSL6cJRlzQqzyr8RU8nqtT2Hq7aRyi
UU3q34ONpX+cLHrzBndmS8MWG+Z5iRzYNwP6hWRaAleVKyfJr7FiOOxPi+CUaZOH
fDuZ/9a7UEjA5IhdzdK6+9Ez3hq5x/oK9gMqnNYNW3jOWZ7JNSZ3XtCvFKfW3/2w
LeObYeyEyDWTjW3TJikVx755JM9K6b/5zl7FCtQsa0j+HBzJwfGqa08XbcI7NndY
3WZXQyKXIo5kXaMiG/bSo3bU2RijxsXwZTFMFUZ1w8FEeExtLuJ4NMWndQWje/Rj
+BgE7CXcf03qzzc5BfVeuxMFxgqMYaEVcr50ywcsT7IQsqBdEcAtKxFUuveB0s4k
dA14sIjfBUWyDvEvmwkY1or010T5BLHWVlzPcCPMzVgYdR5nsEKnzQHUAYk+OogP
nyjRJlItI7eAXoHP5Vw8y8wRfvE1siS85w8Uy8RvPf8CXniwRFp1ar0NKLv+lhWW
PxVx+ismUh8PftBex7qNiUTPfROFkWy32G88BuExAgMBAAGjggIrMIICJzAOBgNV
HQ8BAf8EBAMCBaAwEwYDVR0lBAwwCgYIKwYBBQUHAwEwDAYDVR0TAQH/BAIwADAd
BgNVHQ4EFgQUwVEZAoNRS7vY23L1Pe0S8NQWXhswHwYDVR0jBBgwFoAUQBUtJnnt
MiCe35pyHdYyH4EMgQwwMwYIKwYBBQUHAQEEJzAlMCMGCCsGAQUFBzAChhdodHRw
Oi8veXIyLmkubGVuY3Iub3JnLzAnBgNVHREEIDAeggtrbGVpbndlYi5ka4IPd3d3
LmtsZWlud2ViLmRrMBMGA1UdIAQMMAowCAYGZ4EMAQIBMC8GA1UdHwQoMCYwJKAi
oCCGHmh0dHA6Ly95cjIuYy5sZW5jci5vcmcvMTEyLmNybDCCAQwGCisGAQQB1nkC
BAIEgf0EgfoA+AB2AMs49xWJfIShRF9bwd37yW7ymlnNRwppBYWwyxTDFFjnAAAB
oM3Cf4YAAAQDAEcwRQIhAL4bIjukdymdC/4iQQeJk4gZaZwrfGRh/rIY6bX++jQW
AiBs6SXpfdEQA9ym78yyzaY/jl0/8oi8hdNGJLNPrLAhFAB+AKKBABhzThduHUfg
lUDzgbpUZpfNY6hDUHFuuAlO2vENAAABoM3CgeYACAAABQATKMxEBAMARzBFAiBc
YQbgZcyyT18BPJ4NE+qYDZ93Mwnt/svS3FsTM00EIQIhAM7OZl0MNeYbgnm65+og
GjDgraRVRJX7/qVCq0kipgS8MA0GCSqGSIb3DQEBCwUAA4IBAQB7Ho/bc9H6fJ2+
7QrDw5KccGbXXQaV39sxYfBxnGgFd2EGmAZVtTkQa92L8Qs3kvJTppFFI0H3XEFq
dnSOX1Zmf0wLktDwnfna8yJnRcIZaEd7iVcUGl9zIr5JZkxGt9X4kpMPJ9G53xNO
NREcnn8DmduuyfrBYF8xP8J7UpOAw+SoYlUXnoDeh9Q74/OkG2Qo9n7t4aK+/uS2
mrfObSxdJ7BAkvu9cxV3jcDYj7urtB79MIbWhrRt9X/GaU1uhHKQYgp+IghvnIdT
A0A4Ks8tR40KwdHc/3hoQ/UrVIkqY64dtcOFrfz/JVNjnNnebQ4BH/V3xphmyUdb
7mcCRHYz
-----END CERTIFICATE-----

Cipher: TLS_CHACHA20_POLY1305_SHA256 · Checked 2026-09-27T23:41:34+00:00

Server-presented chain · 2 additional certificates

Chain certificate 1

Subject
C=US O=Let's Encrypt CN=YR2
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
706
Serial (hex)
4EBD24947E24D394802D84A52FD5B319
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

23:8B:85:A0:09:9C:65:B9:70:47:7D:57:24:F1:A1:D4:75:CE:50:58:CF:FE:4E:FA:87:33:89:9B:DB:86:3C:47
Certificate extensions & PEM
keyUsage
Digital Signature, Certificate Sign, CRL Sign
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:TRUE, pathlen:0
subjectKeyIdentifier
40:15:2D:26:79:ED:32:20:9E:DF:9A:72:1D:D6:32:1F:81:0C:81:0C
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
2167
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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