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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

kk30.net · 111.230.249.237:443

Verified

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

Subject
CN=kk30.net
Issuer
C=AT O=ZeroSSL GmbH CN=ZeroSSL ECC DV SSL CA 2
Valid from
2026-10-18T00:00:00+00:00
Expires
2027-01-16T23:59:59+00:00
Days remaining
77
Serial (hex)
05471C93C53211D3FF3F6280254331CA
Signature
ecdsa-with-SHA256
Public key
EC 256 prime256v1

Subject alternative names (SAN)

DNS:kk30.net, DNS:www.kk30.net

SHA-256 fingerprint

93:C6:2C:CC:99:74:CC:A4:7B:09:1E:85:80:0D:CC:70:59:4B:7E:A5:60:1E:68:56:66:BB:A6:5F:9B:42:2C:85
Certificate extensions & PEM
authorityKeyIdentifier
94:45:9F:DA:51:47:71:D5:73:AE:AC:1D:AB:08:72:12:6D:AD:7C:62
subjectKeyIdentifier
0B:50:A7:50:7B:61:A8:34:8A:F7:21:D2:69:7D:44:EF:8A:C2:33:EF
keyUsage
Digital Signature
basicConstraints
CA:FALSE
extendedKeyUsage
TLS Web Server Authentication
certificatePolicies
Policy: 2.23.140.1.2.1
authorityInfoAccess
CA Issuers - URI:http://crt.sectigo.com/ZeroSSLECCDVSSLCA2.crt OCSP - URI:http://ocsp.sectigo.com
subjectAltName
DNS:kk30.net, DNS:www.kk30.net
ct_precert_scts
Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 46:A2:39:67:C6:0D:B6:46:87:C6:6F:3D:F9:99:94:76: 93:A6:A6:11:20:84:57:D5:55:E7:E3:D0:A1:D9:B6:46 Timestamp : Oct 18 16:53:11.768 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:D6:56:CE:67:E6:12:D7:32:4A:0A:35: 9A:AC:22:D9:C5:F6:EE:A5:D2:BE:4D:5F:F6:BB:47:99: 8B:F3:E5:6F:FA:02:20:38:D9:3E:40:1E:CD:A3:8E:B7: 83:35:51:E2:E8:23:F4:0E:B8:8E:CB:BD:8F:A9:40:48: 94:CE:9F:80:4C:97:77 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 44:E8:22:FC:2B:AB:0E:92:EE:D0:E9:FA:D6:96:64:60: 27:76:D0:17:60:E0:89:05:09:C9:23:A1:B0:3F:C3:7F Timestamp : Oct 18 16:53:08.700 2026 GMT Extensions: 00:00:05:00:0C:54:1B:65 Signature : ecdsa-with-SHA256 30:44:02:20:41:6A:21:AA:04:83:37:E0:5C:CC:3D:AE: 86:7A:CD:3A:53:2D:7F:06:1B:6A:D7:01:06:E3:ED:D6: F2:29:72:21:02:20:6F:B3:70:84:B4:43:D0:23:89:BC: 36:9B:24:80:A7:7C:19:E5:EF:68:EE:D3:48:B4:5A:44: 22:EF:F3:63:38:4C
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_128_GCM_SHA256 · Checked 2026-10-31T12:50:25+00:00

Server-presented chain · 2 additional certificates

Chain certificate 1

Subject
C=AT O=ZeroSSL GmbH CN=ZeroSSL ECC DV SSL CA 2
Issuer
C=GB O=Sectigo Limited CN=Sectigo Public Server Authentication Root E46
Valid from
2025-09-24T00:00:00+00:00
Expires
2035-09-23T23:59:59+00:00
Days remaining
3249
Serial (hex)
C4E1C5BB00F0278F347BE4F85D63FCCA
Signature
ecdsa-with-SHA384
Public key
EC 256 prime256v1

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

BE:C8:4F:CE:0D:AA:42:3F:3B:3E:ED:38:EA:48:06:6C:C5:61:8F:52:44:AD:65:CD:9F:86:24:A8:13:FA:4C:3D
Certificate extensions & PEM
authorityKeyIdentifier
D1:22:DA:4C:59:F1:4B:5F:26:38:AA:9D:D6:EE:EB:0D:C3:FB:A9:61
subjectKeyIdentifier
94:45:9F:DA:51:47:71:D5:73:AE:AC:1D:AB:08:72:12:6D:AD:7C:62
keyUsage
Digital Signature, Certificate Sign, CRL Sign
basicConstraints
CA:TRUE, pathlen:0
extendedKeyUsage
TLS Web Server Authentication
certificatePolicies
Policy: 2.23.140.1.2.1
crlDistributionPoints
Full Name: URI:http://crl.sectigo.com/SectigoPublicServerAuthenticationRootE46.crl
authorityInfoAccess
CA Issuers - URI:http://crt.sectigo.com/SectigoPublicServerAuthenticationRootE46.p7c OCSP - URI:http://ocsp.sectigo.com
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Chain certificate 2

Subject
C=GB O=Sectigo Limited CN=Sectigo Public Server Authentication Root E46
Issuer
C=US ST=New Jersey L=Jersey City O=The USERTRUST Network CN=USERTrust ECC Certification Authority
Valid from
2021-03-22T00:00:00+00:00
Expires
2038-01-18T23:59:59+00:00
Days remaining
4097
Serial (hex)
1A9EAFEC6DE8E19B5C193141B68D90DD
Signature
ecdsa-with-SHA384
Public key
EC 384 secp384r1

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

EA:6B:89:ED:69:07:A2:09:FF:91:88:67:6F:B1:64:E7:AC:ED:89:4B:89:96:DF:BE:5C:E5:BB:CC:22:DE:4D:DD
Certificate extensions & PEM
authorityKeyIdentifier
3A:E1:09:86:D4:CF:19:C2:96:76:74:49:76:DC:E0:35:C6:63:63:9A
subjectKeyIdentifier
D1:22:DA:4C:59:F1:4B:5F:26:38:AA:9D:D6:EE:EB:0D:C3:FB:A9:61
keyUsage
Digital Signature, Certificate Sign, CRL Sign
basicConstraints
CA:TRUE
extendedKeyUsage
TLS Web Server Authentication, TLS Web Client Authentication
certificatePolicies
Policy: X509v3 Any Policy
crlDistributionPoints
Full Name: URI:http://crl.usertrust.com/USERTrustECCCertificationAuthority.crl
authorityInfoAccess
OCSP - URI:http://ocsp.usertrust.com
-----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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