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

hso.co.uk · 217.196.227.65:443

Verified

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

Subject
CN=*.hso.co.uk
Issuer
C=BE O=GlobalSign nv-sa CN=GlobalSign GCC R46 AlphaSSL CA 2025
Valid from
2026-09-28T09:27:10+00:00
Expires
2027-04-15T09:27:10+00:00
Days remaining
194
Serial (hex)
56853CFEFC7B7653A264928C
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:*.hso.co.uk, DNS:hso.co.uk

SHA-256 fingerprint

BE:22:28:CC:9D:5C:00:4B:48:F8:3A:12:CC:61:F0:4D:7C:A3:B1:8A:A3:C4:C1:06:36:72:1C:82:88:D3:1C:8D
Certificate extensions & PEM
keyUsage
Digital Signature, Key Encipherment
basicConstraints
CA:FALSE
authorityInfoAccess
CA Issuers - URI:http://secure.globalsign.com/cacert/gsgccr46alphasslca2025.crt OCSP - URI:http://ocsp.globalsign.com/gsgccr46alphasslca2025
certificatePolicies
Policy: 2.23.140.1.2.1
crlDistributionPoints
Full Name: URI:http://crl.globalsign.com/gsgccr46alphasslca2025.crl
subjectAltName
DNS:*.hso.co.uk, DNS:hso.co.uk
authorityKeyIdentifier
A3:4C:AC:B1:BF:B4:88:ED:8B:74:D8:5F:34:38:C9:E9:0A:25:9E:7B
extendedKeyUsage
TLS Web Server Authentication
subjectKeyIdentifier
3B:DB:56:64:3A:64:75:8E:D5:58:01:99:67:DC:72:9D:36:4D:6A:4E
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 : Sep 28 09:27:15.200 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:95:8A:E1:1E:A3:29:66:DB:BB:93:A0: 9E:D0:AE:B2:7A:EC:60:6E:14:05:3F:DF:D0:12:88:A1: B3:8B:A6:8F:C5:02:20:09:E7:77:0D:EF:78:D5:ED:22: 89:C1:FC:63:7B:18:17:BC:64:26:F6:67:7A:E6:25:F8: B6:1F:D1:0A:44:E2:6C 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 : Sep 28 09:27:15.029 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:E0:47:F9:85:53:71:66:22:89:02:53: 59:7D:98:AB:86:CC:0F:5F:0D:74:F8:46:20:55:90:3F: 04:95:56:F4:56:02:20:25:03:48:18:64:0B:D1:73:A9: 5D:21:84:8D:88:86:CD:B3:E5:A3:78:BB:DC:0E:8E:7E: 95:1D:9B:D5:B5:6F:B3 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 : Sep 28 09:27:15.000 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:46:62:F7:1B:7B:41:CE:A8:09:82:0D:55: DB:2D:36:97:58:EB:78:BB:48:23:95:C0:30:C5:16:AF: 07:1C:C4:97:02:20:73:9A:4D:7E:7B:A5:1B:96:1C:2E: DE:81:F1:5E:4A:C0:95:B1:E5:93:BC:BB:27:F9:FC:F1: DB:AD:DD:81:5A:1B
-----BEGIN CERTIFICATE-----
MIIGCTCCBPGgAwIBAgIMVoU8/vx7dlOiZJKMMA0GCSqGSIb3DQEBCwUAMFYxCzAJ
BgNVBAYTAkJFMRkwFwYDVQQKExBHbG9iYWxTaWduIG52LXNhMSwwKgYDVQQDEyNH
bG9iYWxTaWduIEdDQyBSNDYgQWxwaGFTU0wgQ0EgMjAyNTAeFw0yNjA5MjgwOTI3
MTBaFw0yNzA0MTUwOTI3MTBaMBYxFDASBgNVBAMMCyouaHNvLmNvLnVrMIIBIjAN
BgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA1Mh8rkWjW1j8o6SLPYy+QEC7jbyd
fauGsLRdj9QaNt8FWAXz6gyF+C/LgKgGDraO/RoeTczoMg12F6S47XENPl/1w9Fl
eY9MV9DHnL25Y110itK8qq/Fe59EXErIS3TuWqxHCVtUcvBXlVzXSuaHn8Juhq46
EMBe8Dv3gengLpLmCwU6wT3xMqtw6CfKALpQQH3Y/PZvlJ6QiQcaU++yzzA74wR1
DuvuAByVPj/X98FuZqugEiFjld27ClOdf0jG9mhIRGzAoYCpKedog6JizfsYAKGY
RhD0bbeIQK5w4hNO/hsh0JXTEZe79/PnD1ULEXg1w+iq7MNDAUujFcQhZwIDAQAB
o4IDFTCCAxEwDgYDVR0PAQH/BAQDAgWgMAwGA1UdEwEB/wQCMAAwgZsGCCsGAQUF
BwEBBIGOMIGLMEoGCCsGAQUFBzAChj5odHRwOi8vc2VjdXJlLmdsb2JhbHNpZ24u
Y29tL2NhY2VydC9nc2djY3I0NmFscGhhc3NsY2EyMDI1LmNydDA9BggrBgEFBQcw
AYYxaHR0cDovL29jc3AuZ2xvYmFsc2lnbi5jb20vZ3NnY2NyNDZhbHBoYXNzbGNh
MjAyNTATBgNVHSAEDDAKMAgGBmeBDAECATBFBgNVHR8EPjA8MDqgOKA2hjRodHRw
Oi8vY3JsLmdsb2JhbHNpZ24uY29tL2dzZ2NjcjQ2YWxwaGFzc2xjYTIwMjUuY3Js
MCEGA1UdEQQaMBiCCyouaHNvLmNvLnVrggloc28uY28udWswHwYDVR0jBBgwFoAU
o0yssb+0iO2LdNhfNDjJ6QolnnswEwYDVR0lBAwwCgYIKwYBBQUHAwEwHQYDVR0O
BBYEFDvbVmQ6ZHWO1VgBmWfccp02TWpOMIIBfQYKKwYBBAHWeQIEAgSCAW0EggFp
AWcAdgAcn2gs6frwRWlQ+BuWiofd2zIQ2EzmyLLjglJKxM9ZnwAAAaDnVwYAAAAE
AwBHMEUCIQCViuEeoylm27uToJ7QrrJ67GBuFAU/39ASiKGzi6aPxQIgCed3De94
1e0iicH8Y3sYF7xkJvZneuYl+LYf0QpE4mwAdgBMY9yY5Zwdq4j2Hoo93q6Pq0Sj
N3tfm5TD+6Gc/MG+JgAAAaDnVwVVAAAEAwBHMEUCIQDgR/mFU3FmIokCU1l9mKuG
zA9fDXT4RiBVkD8ElVb0VgIgJQNIGGQL0XOpXSGEjYiGzbPlo3i73A6OfpUdm9W1
b7MAdQBgTJqven93XwHUBvySDciZ6wscffjJUhv6+hd3O5eLyQAAAaDnVwU4AAAE
AwBGMEQCIEZi9xt7Qc6oCYINVdstNpdY63i7SCOVwDDFFq8HHMSXAiBzmk1+e6Ub
lhwu3oHxXkrAlbHlk7y7J/n88dut3YFaGzANBgkqhkiG9w0BAQsFAAOCAQEANuKl
E1o8r5NX0QaBcDWHciIcupwCi0LQ8YSuux/9pBBT/FB8GxFyhqS3OjjkqiPdMl0t
r4aWDC2BAmcLshfQJYr42g+ZJUxTWiImn076PzK3AV1IVqbB/KngGw0A8kuu3KXE
52UNbI12oH7NhK8UxFrzRQFkGFCUCvWgB2gme5rhYLZBvZgdQvAuEJ80MtnzzshQ
mMU4ICBCsoU+OOzq7KXmn2igmsu+kTAUmk8BIZkHjMA6zEXzGd6CYAHVg3Y6A7aX
xZrLOZK056+DQl4FKnF+tfEvQMbRKvTu9LGElm1L91X8jinmWmY9kBZ6PSi+p0N3
optWDQRF3ny5i8GH+w==
-----END CERTIFICATE-----

Cipher: TLS_AES_256_GCM_SHA384 · Checked 2026-10-02T19:07:38+00:00

Server-presented chain · 2 additional certificates

Chain certificate 1

Subject
C=BE O=GlobalSign nv-sa CN=GlobalSign GCC R46 AlphaSSL CA 2025
Issuer
C=BE O=GlobalSign nv-sa CN=GlobalSign Root R46
Valid from
2025-09-17T02:55:30+00:00
Expires
2029-06-23T00:00:00+00:00
Days remaining
994
Serial (hex)
8443586F6396264381337C801A2E6118
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

D2:AC:9D:CC:7A:25:50:29:A5:F5:18:0D:63:F1:A9:ED:60:E1:14:12:A8:5C:14:8D:4B:71:F6:AE:1A:36:69:5C
Certificate extensions & PEM
keyUsage
Digital Signature, Certificate Sign, CRL Sign
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:TRUE, pathlen:0
subjectKeyIdentifier
A3:4C:AC:B1:BF:B4:88:ED:8B:74:D8:5F:34:38:C9:E9:0A:25:9E:7B
authorityKeyIdentifier
03:5C:AB:73:81:87:A8:CC:B0:A6:D5:94:E2:36:96:49:FF:05:99:2C
authorityInfoAccess
OCSP - URI:http://ocsp.globalsign.com/rootr46 CA Issuers - URI:http://secure.globalsign.com/cacert/rootr46.crt
crlDistributionPoints
Full Name: URI:http://crl.globalsign.com/rootr46.crl
certificatePolicies
Policy: 2.23.140.1.2.1 Policy: 1.3.6.1.4.1.4146.10.1.3
-----BEGIN CERTIFICATE-----
MIIFfjCCA2agAwIBAgIRAIRDWG9jliZDgTN8gBouYRgwDQYJKoZIhvcNAQELBQAw
RjELMAkGA1UEBhMCQkUxGTAXBgNVBAoTEEdsb2JhbFNpZ24gbnYtc2ExHDAaBgNV
BAMTE0dsb2JhbFNpZ24gUm9vdCBSNDYwHhcNMjUwOTE3MDI1NTMwWhcNMjkwNjIz
MDAwMDAwWjBWMQswCQYDVQQGEwJCRTEZMBcGA1UEChMQR2xvYmFsU2lnbiBudi1z
YTEsMCoGA1UEAxMjR2xvYmFsU2lnbiBHQ0MgUjQ2IEFscGhhU1NMIENBIDIwMjUw
ggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQCV0s/1NfwruxzhrfoOWN/B
V8j/6KxInyuIpVJ50pmHimyU5ACjC4ST2ZyU2Ltggfc/ydc1OrTUqDyoTGjWOazH
obK+GQQtBd+MUEykZbnVCfNj14Um7UiqTGOFaOK551Etd9aE/F9/hYl+4XMXJPqC
+V3ziJbO0QQcL4/wZBvqbW3xZjqb/bcLKHttfNF+JMmO+DrT9VWyomNWVeC3Grs4
DybZLgs4RVmg8sp/Ic0quOdBjIhE+W0jYbUW6Z9HP9q2lh7UVCwn1rZ1mFTRhIXa
shGqL43uXnXfRls3T93w2dnCpgTundq28WmWuzb/RZ6kHvALQmu8f891gHfbb+kb
AgMBAAGjggFVMIIBUTAOBgNVHQ8BAf8EBAMCAYYwEwYDVR0lBAwwCgYIKwYBBQUH
AwEwEgYDVR0TAQH/BAgwBgEB/wIBADAdBgNVHQ4EFgQUo0yssb+0iO2LdNhfNDjJ
6QolnnswHwYDVR0jBBgwFoAUA1yrc4GHqMywptWU4jaWSf8FmSwwewYIKwYBBQUH
AQEEbzBtMC4GCCsGAQUFBzABhiJodHRwOi8vb2NzcC5nbG9iYWxzaWduLmNvbS9y
b290cjQ2MDsGCCsGAQUFBzAChi9odHRwOi8vc2VjdXJlLmdsb2JhbHNpZ24uY29t
L2NhY2VydC9yb290cjQ2LmNydDA2BgNVHR8ELzAtMCugKaAnhiVodHRwOi8vY3Js
Lmdsb2JhbHNpZ24uY29tL3Jvb3RyNDYuY3JsMCEGA1UdIAQaMBgwCAYGZ4EMAQIB
MAwGCisGAQQBoDIKAQMwDQYJKoZIhvcNAQELBQADggIBAFidiFkGjaslf0o1kWbY
Y1Fe0N/OtR28cj5js0b6mhb0AXgyi8m3IOBBnHFsyGb/OGpGlsfnyOCNHNc4p12Z
f8tqkqtd1qh2oks7+MvEAatwDy4NMlQYmjRpdTzTu6+HFv3waK+UOHbm1NC5s5fb
lPjio082KdjQsG+isWSCUGP7hjVjTcPioy5v0HJDYzmbX1oro7fa7potZ4vjNPRI
mMH2St+E2OphOO4NkrllXtSUw5ThyiFaymFIvWfSXSWOHIcK3HwOlUxgpgrJMDi0
ZuKX3W2+wDVRmrPJXgaX+6R/uBqtdMi2O+ebkjmS5zyk2U7sHsaa9lPQz3PS5hBv
aeW0FHeJK4Yc2yeQ/HBRL3YORG5JQdH1+P/+OJnv7s10Qjipe0tPwHccfMSprzRs
0t/2wG3b2GdTBX9JJjxWp3SJs/Bib7ScMJYyMMgrUBQ/BSCreEpvKvrsw2SAsPwY
dx7fjCpsFBM0Tdrqzc1HUm/qNgETPA6tWTMn+27ot19Q94KpnEHYL1hRyCJ5JB/6
OWVNCbn2YhtwJON6787ZbkVHOz9itAZKajPNH/nO/wB4gtlhnQb1yhZ6nG6LZAsu
gJBL58/BSqH1KWGnHyp9s7VwFJPI3LoSEqLd5BryAOQg/5P5uW339YFmbJCcqS3G
3CVvDrQnx+qrRlxBrS/QeigQ
-----END CERTIFICATE-----

Chain certificate 2

Subject
C=BE O=GlobalSign nv-sa CN=GlobalSign Root R46
Issuer
C=BE O=GlobalSign nv-sa CN=GlobalSign Root R46
Valid from
2019-03-20T00:00:00+00:00
Expires
2046-03-20T00:00:00+00:00
Days remaining
7108
Serial (hex)
11D2BBB9D723189E405F0A9D2DD0DF2567D1
Signature
RSA-SHA384
Public key
RSA 4096

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

4F:A3:12:6D:8D:3A:11:D1:C4:85:5A:4F:80:7C:BA:D6:CF:91:9D:3A:5A:88:B0:3B:EA:2C:63:72:D9:3C:40:C9
Certificate extensions & PEM
keyUsage
Digital Signature, Certificate Sign, CRL Sign
basicConstraints
CA:TRUE
subjectKeyIdentifier
03:5C:AB:73:81:87:A8:CC:B0:A6:D5:94:E2:36:96:49:FF:05:99:2C
-----BEGIN CERTIFICATE-----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+cCQYDdF3uYM2HSNrpyibXRdQr4G9dlkbgIQrImwTDsHTUB+JMWKmIJ5jqSngiCN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u+YfjyW6hY0XHgL+XVAEV8/+LbzvXMAaq7afJMbfc2hIkCwU9D9SGuTSyxTDYWnP
4vkYxboznxSjBF25cfe1lNj2M8FawTSLfJvdkzrnE6JwYZ+vj+vYxXX4M2bUdGc6
N3ec592kD3ZDZopD8p/7DEJ4Y9HiD2971KE9dJeFt0g5QdYg/NA6s/rob8SKunE3
vouXsXgxT7PntgMTzlSdriVZzH81Xwj3QEUxeCp6
-----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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