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

ns4.svr-cloud.net · 43.252.41.141:443

Unverified
Certificate verification failed. These are unverified certificate details presented by the server. SSL operation failed with code 1. OpenSSL Error messages: error:0A000086:SSL routines::certificate verify failed
The certificate has expired.

Certificate verification failed

Subject
CN=*.ideaport.com.hk
Issuer
C=US O=DigiCert Inc OU=www.digicert.com CN=RapidSSL TLS RSA CA G1
Valid from
2025-01-03T00:00:00+00:00
Expires
2026-01-03T23:59:59+00:00
Days remaining
-285
Serial (hex)
0A021E5630F6791119BC18404AE18AD0
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:*.ideaport.com.hk, DNS:ideaport.com.hk

SHA-256 fingerprint

80:46:D1:08:3D:00:4B:A0:65:71:8F:CE:58:46:01:83:5E:E9:0D:32:77:B1:4F:2E:F0:93:94:37:92:6A:BC:22
Certificate extensions & PEM
authorityKeyIdentifier
0C:DB:6C:82:49:0F:4A:67:0A:B8:14:EE:7A:C4:48:52:88:EB:56:38
subjectKeyIdentifier
3B:E4:DA:E4:06:AC:4B:5D:76:90:AA:E1:07:97:EE:A1:DB:5E:E0:03
subjectAltName
DNS:*.ideaport.com.hk, DNS:ideaport.com.hk
certificatePolicies
Policy: 2.23.140.1.2.1 CPS: http://www.digicert.com/CPS
keyUsage
Digital Signature, Key Encipherment
extendedKeyUsage
TLS Web Server Authentication, TLS Web Client Authentication
crlDistributionPoints
Full Name: URI:http://cdp.rapidssl.com/RapidSSLTLSRSACAG1.crl
authorityInfoAccess
OCSP - URI:http://status.rapidssl.com CA Issuers - URI:http://cacerts.rapidssl.com/RapidSSLTLSRSACAG1.crt
basicConstraints
CA:FALSE
ct_precert_scts
Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 0E:57:94:BC:F3:AE:A9:3E:33:1B:2C:99:07:B3:F7:90: DF:9B:C2:3D:71:32:25:DD:21:A9:25:AC:61:C5:4E:21 Timestamp : Jan 3 04:37:14.688 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:BB:5C:71:AD:38:50:4F:34:F5:69:A8: 5F:26:3A:7E:0A:2D:75:17:5F:A7:AC:EE:E9:EE:A7:17: B3:60:F4:53:BC:02:20:68:DC:59:CC:BF:67:21:55:5B: 4B:2A:A4:48:B6:8C:C7:5E:7E:45:00:24:AF:29:FA:3E: A3:40:C2:CC:6F:79:B6 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : ED:3C:4B:D6:E8:06:C2:A4:A2:00:57:DB:CB:24:E2:38: 01:DF:51:2F:ED:C4:86:C5:70:0F:20:DD:B7:3E:3F:E0 Timestamp : Jan 3 04:37:14.615 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:CA:F8:F0:6F:D8:0A:DA:75:BD:91:7B: A1:83:38:FA:BA:3D:99:FA:09:44:2A:C8:3A:26:70:14: A8:84:3A:82:0B:02:20:71:F9:37:60:76:E2:D3:9F:21: 90:FA:8E:06:0C:52:BE:A0:D0:6C:90:FB:7A:63:D1:CA: 37:6B:B7:2F:34:49:A9 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 64:11:C4:6C:A4:12:EC:A7:89:1C:A2:02:2E:00:BC:AB: 4F:28:07:D4:1E:35:27:AB:EA:FE:D5:03:C9:7D:CD:F0 Timestamp : Jan 3 04:37:14.620 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:69:F4:F6:B7:39:F8:0C:EF:18:A9:7F:3B: 2C:7E:C0:FB:C4:3C:6F:5F:6D:C4:F7:F0:01:6C:83:6F: 90:6F:CF:65:02:20:55:11:CC:7D:CF:57:B1:7B:84:CC: 37:00:50:72:C8:88:02:15:AF:72:45:A0:EC:43:5D:8C: 69:03:51:A9:87:5D
-----BEGIN CERTIFICATE-----
MIIGMjCCBRqgAwIBAgIQCgIeVjD2eREZvBhASuGK0DANBgkqhkiG9w0BAQsFADBg
MQswCQYDVQQGEwJVUzEVMBMGA1UEChMMRGlnaUNlcnQgSW5jMRkwFwYDVQQLExB3
d3cuZGlnaWNlcnQuY29tMR8wHQYDVQQDExZSYXBpZFNTTCBUTFMgUlNBIENBIEcx
MB4XDTI1MDEwMzAwMDAwMFoXDTI2MDEwMzIzNTk1OVowHDEaMBgGA1UEAwwRKi5p
ZGVhcG9ydC5jb20uaGswggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQDa
DDeRhFnih7QIuz9GMvsX9LPf8VdaiG66MOdIvSekBc37BQSz8E4AgXnv9qJ212zQ
7qjUGWbDGsg/3OPKfbYqyp16MYP5SCPcbEue6hQVyaLzbW25toYkaAbS4BGlnBDC
fEx1voULfT6/7LPR8jf+5rSviM5nKUT3RFAKi3WlCZW8R2DrwEW9g9iRkNFxYrH/
ucKtfuErOc386Om9vfV0MXXmxxgf7QgC5U1E49+9gpSDNHv+RPJnnziBT5hGz071
qJQAwkG6sQ3VjlflNsamsTEJqoUbNwdZ1Oh5WwqSA+m/lth2Z+NOOCm0pPb2SdZR
aB2u6l3Awx9c4KY6c+A9AgMBAAGjggMqMIIDJjAfBgNVHSMEGDAWgBQM22yCSQ9K
Zwq4FO56xEhSiOtWODAdBgNVHQ4EFgQUO+Ta5AasS112kKrhB5fuodte4AMwLQYD
VR0RBCYwJIIRKi5pZGVhcG9ydC5jb20uaGuCD2lkZWFwb3J0LmNvbS5oazA+BgNV
HSAENzA1MDMGBmeBDAECATApMCcGCCsGAQUFBwIBFhtodHRwOi8vd3d3LmRpZ2lj
ZXJ0LmNvbS9DUFMwDgYDVR0PAQH/BAQDAgWgMB0GA1UdJQQWMBQGCCsGAQUFBwMB
BggrBgEFBQcDAjA/BgNVHR8EODA2MDSgMqAwhi5odHRwOi8vY2RwLnJhcGlkc3Ns
LmNvbS9SYXBpZFNTTFRMU1JTQUNBRzEuY3JsMHYGCCsGAQUFBwEBBGowaDAmBggr
BgEFBQcwAYYaaHR0cDovL3N0YXR1cy5yYXBpZHNzbC5jb20wPgYIKwYBBQUHMAKG
Mmh0dHA6Ly9jYWNlcnRzLnJhcGlkc3NsLmNvbS9SYXBpZFNTTFRMU1JTQUNBRzEu
Y3J0MAwGA1UdEwEB/wQCMAAwggF9BgorBgEEAdZ5AgQCBIIBbQSCAWkBZwB2AA5X
lLzzrqk+MxssmQez95Dfm8I9cTIl3SGpJaxhxU4hAAABlCp0B0AAAAQDAEcwRQIh
ALtcca04UE809WmoXyY6fgotdRdfp6zu6e6nF7Ng9FO8AiBo3FnMv2chVVtLKqRI
tozHXn5FACSvKfo+o0DCzG95tgB2AO08S9boBsKkogBX28sk4jgB31Ev7cSGxXAP
IN23Pj/gAAABlCp0BvcAAAQDAEcwRQIhAMr48G/YCtp1vZF7oYM4+ro9mfoJRCrI
OiZwFKiEOoILAiBx+TdgduLTnyGQ+o4GDFK+oNBskPt6Y9HKN2u3LzRJqQB1AGQR
xGykEuyniRyiAi4AvKtPKAfUHjUnq+r+1QPJfc3wAAABlCp0BvwAAAQDAEYwRAIg
afT2tzn4DO8YqX87LH7A+8Q8b19txPfwAWyDb5Bvz2UCIFURzH3PV7F7hMw3AFBy
yIgCFa9yRaDsQ12MaQNRqYddMA0GCSqGSIb3DQEBCwUAA4IBAQBkmI1rwrW2Lory
cNfcea0628adpiAkp+N928C8225K7yQ3bIMVRPowJo/nu6vzoDqd/jE8NyvZRhc6
oOQAd4lVdOgSQkJtEuiBDA/sXQ2ccEZoSPUyhjW9On3xpcZEuT4hwH4HcaJYRg8M
+YkHFKttQ5ebwBArOCeUypzqiKxEDtU/6oXc9Ipd57dU9dR10fr2ZiwTEQrcFG7s
/6muYIjaNz0lbsnqKvLvqykV/dp+El7iOONdc/eX3nNd7IMQvWHso9WmBP42QU8p
7LqY8sp0mqYSTHGFKE3tXD53be3tlB/e3hQUTAAPcce40RSxsvqgcwZtaFL+IrFr
3T1majfm
-----END CERTIFICATE-----

Cipher: TLS_AES_256_GCM_SHA384 · Checked 2026-10-15T18:42:43+00:00

Server-presented chain · 1 additional certificate

Chain certificate 1

Subject
C=US O=DigiCert Inc OU=www.digicert.com CN=RapidSSL TLS RSA CA G1
Issuer
C=US O=DigiCert Inc OU=www.digicert.com CN=DigiCert Global Root G2
Valid from
2017-11-02T12:24:33+00:00
Expires
2027-11-02T12:24:33+00:00
Days remaining
382
Serial (hex)
0B259422CED9812A15A04E99528A0EFA
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

44:22:E9:63:EE:53:CD:58:CC:9F:85:CD:40:BF:5F:FE:C0:09:5F:DF:1A:15:45:35:66:1C:1C:06:BC:AD:C6:9B
Certificate extensions & PEM
subjectKeyIdentifier
0C:DB:6C:82:49:0F:4A:67:0A:B8:14:EE:7A:C4:48:52:88:EB:56:38
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
basicConstraints
CA:TRUE, pathlen:0
authorityInfoAccess
OCSP - URI:http://ocsp.digicert.com
crlDistributionPoints
Full Name: URI:http://crl3.digicert.com/DigiCertGlobalRootG2.crl
certificatePolicies
Policy: 2.16.840.1.114412.1.1 CPS: https://www.digicert.com/CPS Policy: 2.16.840.1.114412.1.2 Policy: 2.23.140.1.2.1 Policy: 2.23.140.1.2.2
-----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.

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