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

TLSv1.3

q-digital.ch · 91.229.81.77:443

Verified

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

Subject
CN=q-digital.ch
Issuer
C=US O=Let's Encrypt CN=YR1
Valid from
2026-09-08T10:14:40+00:00
Expires
2026-12-07T10:14:39+00:00
Days remaining
69
Serial (hex)
06BAC3BFBE955CDF8654DE32F07FF464831D
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:cyber-factory.ch, DNS:cyber-factory.info, DNS:cyberfactory.ch, DNS:cyberfactory.info, DNS:cyberfactory.swiss, DNS:fo-cyberfactory.ch, DNS:fo-zuerisee.ch, DNS:fo-zuerisee.net, DNS:mediando.ch, DNS:q-digital.ch, DNS:quantum-digital.ch, DNS:quantumdigital.ch, DNS:redaktionstool.cyberfactory.ch, DNS:www.cyber-factory.ch, DNS:www.cyber-factory.info, DNS:www.cyberfactory.ch, DNS:www.cyberfactory.info, DNS:www.cyberfactory.swiss, DNS:www.fo-cyberfactory.ch, DNS:www.fo-zuerisee.ch, DNS:www.fo-zuerisee.net, DNS:www.mediando.ch, DNS:www.q-digital.ch, DNS:www.quantum-digital.ch, DNS:www.quantumdigital.ch, DNS:www.redaktionstool.cyberfactory.ch

SHA-256 fingerprint

CF:D1:FD:DB:B4:8D:1B:19:15:79:96:31:7A:7E:AF:CF:D0:D9:29:65:34:20:98:36:A7:8B:4A:1D:C2:DF:8B:BF
Certificate extensions & PEM
keyUsage
Digital Signature, Key Encipherment
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:FALSE
subjectKeyIdentifier
FE:5D:F8:18:F8:7B:3E:F1:A7:9C:E6:73:50:CA:1B:90:45:A4:A1:73
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:cyber-factory.ch, DNS:cyber-factory.info, DNS:cyberfactory.ch, DNS:cyberfactory.info, DNS:cyberfactory.swiss, DNS:fo-cyberfactory.ch, DNS:fo-zuerisee.ch, DNS:fo-zuerisee.net, DNS:mediando.ch, DNS:q-digital.ch, DNS:quantum-digital.ch, DNS:quantumdigital.ch, DNS:redaktionstool.cyberfactory.ch, DNS:www.cyber-factory.ch, DNS:www.cyber-factory.info, DNS:www.cyberfactory.ch, DNS:www.cyberfactory.info, DNS:www.cyberfactory.swiss, DNS:www.fo-cyberfactory.ch, DNS:www.fo-zuerisee.ch, DNS:www.fo-zuerisee.net, DNS:www.mediando.ch, DNS:www.q-digital.ch, DNS:www.quantum-digital.ch, DNS:www.quantumdigital.ch, DNS:www.redaktionstool.cyberfactory.ch
certificatePolicies
Policy: 2.23.140.1.2.1
crlDistributionPoints
Full Name: URI:http://yr1.c.lencr.org/30.crl
ct_precert_scts
Signed Certificate Timestamp: Version : v1 (0x0) Log ID : D7:6D:7D:10:D1:A7:F5:77:C2:C7:E9:5F:D7:00:BF:F9: 82:C9:33:5A:65:E1:D0:B3:01:73:17:C0:C8:C5:69:77 Timestamp : Sep 8 11:13:10.418 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:B7:E5:4A:9C:46:E5:B3:A9:97:C7:AF: 65:11:E3:49:B5:E8:48:7E:D4:51:34:76:FE:A6:8C:52: 1C:72:5B:AE:B3:02:20:41:E6:B8:63:E3:02:DF:A2:8D: 78:1C:23:69:95:06:15:CB:2F:EF:91:7B:FA:F5:C4:B4: 0E:69:AA:0B:36:60:7F Signed Certificate Timestamp: Version : v1 (0x0) Log ID : A8:26:CB:E3:0A:C6:35:12:46:53:3F:E0:65:F1:4F:19: D9:6E:19:08:13:C4:1D:D9:6D:79:00:B3:12:3C:55:27 Timestamp : Sep 8 11:13:11.049 2026 GMT Extensions: 00:00:05:00:2E:A2:2E:F1 Signature : ecdsa-with-SHA256 30:46:02:21:00:ED:68:F2:18:D0:8A:3E:6A:6A:69:AB: 0C:B2:41:B6:37:74:19:8B:75:5C:21:3C:CD:DE:E1:B8: 54:4C:27:01:31:02:21:00:81:34:3C:B3:74:B6:A9:59: 2C:80:0A:33:92:95:AB:1C:58:A5:69:C5:FB:62:B1:5A: E1:D8:14:B4:D5:21:81:97
-----BEGIN CERTIFICATE-----
MIIHCTCCBfGgAwIBAgISBrrDv76VXN+GVN4y8H/0ZIMdMA0GCSqGSIb3DQEBCwUA
MDMxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQwwCgYDVQQD
EwNZUjEwHhcNMjYwOTA4MTAxNDQwWhcNMjYxMjA3MTAxNDM5WjAXMRUwEwYDVQQD
EwxxLWRpZ2l0YWwuY2gwggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQCr
olblzghtTmkphnCpVHT9O2CgYfdd0jiQWGi8spUX5CZrTLzDgGWbxjz1EecVSl5T
XbpskVlTFCVUMWV8fYNVBli1f7mmxzLPijVqDvPEDFc2NmFMDQB3fupefVbPbBSo
Mdf+HYhKZl5edfLLcAsKfa+qruawlb5aPNlhIeeaA3BIYzVw8/d6Gbe4bz8katqW
0SNGLpkCZxSdQaN7vxhDB0xYamKW9Itw3GmVBHcpBq+W9EI3P+KIa8dZKF3hE071
chAv1IZJXm+WmfRj6Egs6NRlrs9T/9y5wZO/gNmgEJ5Y9AKopwjdDnxrxhevjJUC
VraeXU9pbUPNqowjMg37AgMBAAGjggQxMIIELTAOBgNVHQ8BAf8EBAMCBaAwEwYD
VR0lBAwwCgYIKwYBBQUHAwEwDAYDVR0TAQH/BAIwADAdBgNVHQ4EFgQU/l34GPh7
PvGnnOZzUMobkEWkoXMwHwYDVR0jBBgwFoAUHy81vkYUgs1Asa55LFV4+vfUaPsw
MwYIKwYBBQUHAQEEJzAlMCMGCCsGAQUFBzAChhdodHRwOi8veXIxLmkubGVuY3Iu
b3JnLzCCAisGA1UdEQSCAiIwggIeghBjeWJlci1mYWN0b3J5LmNoghJjeWJlci1m
YWN0b3J5LmluZm+CD2N5YmVyZmFjdG9yeS5jaIIRY3liZXJmYWN0b3J5LmluZm+C
EmN5YmVyZmFjdG9yeS5zd2lzc4ISZm8tY3liZXJmYWN0b3J5LmNogg5mby16dWVy
aXNlZS5jaIIPZm8tenVlcmlzZWUubmV0ggttZWRpYW5kby5jaIIMcS1kaWdpdGFs
LmNoghJxdWFudHVtLWRpZ2l0YWwuY2iCEXF1YW50dW1kaWdpdGFsLmNogh5yZWRh
a3Rpb25zdG9vbC5jeWJlcmZhY3RvcnkuY2iCFHd3dy5jeWJlci1mYWN0b3J5LmNo
ghZ3d3cuY3liZXItZmFjdG9yeS5pbmZvghN3d3cuY3liZXJmYWN0b3J5LmNoghV3
d3cuY3liZXJmYWN0b3J5LmluZm+CFnd3dy5jeWJlcmZhY3Rvcnkuc3dpc3OCFnd3
dy5mby1jeWJlcmZhY3RvcnkuY2iCEnd3dy5mby16dWVyaXNlZS5jaIITd3d3LmZv
LXp1ZXJpc2VlLm5ldIIPd3d3Lm1lZGlhbmRvLmNoghB3d3cucS1kaWdpdGFsLmNo
ghZ3d3cucXVhbnR1bS1kaWdpdGFsLmNoghV3d3cucXVhbnR1bWRpZ2l0YWwuY2iC
Ind3dy5yZWRha3Rpb25zdG9vbC5jeWJlcmZhY3RvcnkuY2gwEwYDVR0gBAwwCjAI
BgZngQwBAgEwLgYDVR0fBCcwJTAjoCGgH4YdaHR0cDovL3lyMS5jLmxlbmNyLm9y
Zy8zMC5jcmwwggENBgorBgEEAdZ5AgQCBIH+BIH7APkAdgDXbX0Q0af1d8LH6V/X
AL/5gskzWmXh0LMBcxfAyMVpdwAAAaCAuM8SAAAEAwBHMEUCIQC35UqcRuWzqZfH
r2UR40m16Eh+1FE0dv6mjFIccluuswIgQea4Y+MC36KNeBwjaZUGFcsv75F7+vXE
tA5pqgs2YH8AfwCoJsvjCsY1EkZTP+Bl8U8Z2W4ZCBPEHdlteQCzEjxVJwAAAaCA
uNGJAAgAAAUALqIu8QQDAEgwRgIhAO1o8hjQij5qammrDLJBtjd0GYt1XCE8zd7h
uFRMJwExAiEAgTQ8s3S2qVksgAozkpWrHFilacX7YrFa4dgUtNUhgZcwDQYJKoZI
hvcNAQELBQADggEBAGTF0/QZcOdBBi+gkgAlBT44Dfc+B6hwD7Tz5pb/c65DZeSz
nfSfn65VijymM4NgXieUtZf1YR+gjiqpdBSktpo3qVDfg59uHAssxi8mLL0ZyHRU
X5K0SL/jTq/AcdhigiOTyqLikhzsakn6+hUNbiTdSv0VlPYJYxDKpEPvDjQTRc76
1/FUQYh698GDna8TZmklekhb66+pF/LbM+KmxFatAjqz1WG5vIxvPvyZGSPTNSDq
i7TJbj77V9G5+Wba/JqjOdj/vJqgsy2ggxqod+X0coecr7WlBMQmMYyN1K/FdqkF
cf3jiJRq+MP6BG/ZgTuq9Q44DMl+HacoLbzNCw0=
-----END CERTIFICATE-----

Cipher: TLS_AES_128_GCM_SHA256 · Checked 2026-09-29T07:15:58+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
704
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
2165
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

Registration / WHOIS →DNS records →