API
This service provide certificate information from hostname: 104.16.44.99

Certificate:
Data:
Version: 3 (0x2)
Serial Number:
d3:67:70:78:08:2d:66:0d:0e:46:20:cc:fe:6b:11:c4
Signature Algorithm: ecdsa-with-SHA256
Issuer: C = US, O = Google Trust Services, CN = WE1
Validity
Not Before: Jul 19 18:51:34 2025 GMT
Not After : Oct 17 19:51:29 2025 GMT
Subject: CN = ietf.org
Subject Public Key Info:
Public Key Algorithm: id-ecPublicKey
Public-Key: (256 bit)
pub:
04:58:36:a8:d5:78:c0:82:76:55:1f:77:a8:d6:6c:
bf:2f:9a:c1:de:cb:46:29:fb:39:32:92:f2:21:0a:
ed:a2:22:8e:23:06:30:82:fd:6c:1c:4c:d6:20:8b:
25:0a:dd:6b:62:4f:10:d9:35:d2:09:7f:63:f8:83:
8d:74:b0:da:68
ASN1 OID: prime256v1
NIST CURVE: P-256
X509v3 extensions:
X509v3 Key Usage: critical
Digital Signature
X509v3 Extended Key Usage:
TLS Web Server Authentication
X509v3 Basic Constraints: critical
CA:FALSE
X509v3 Subject Key Identifier:
E8:B6:F5:00:8F:BD:0F:2F:DD:91:01:DF:C2:84:7B:4D:B8:CB:D1:6E
X509v3 Authority Key Identifier:
90:77:92:35:67:C4:FF:A8:CC:A9:E6:7B:D9:80:79:7B:CC:93:F9:38
Authority Information Access:
OCSP - URI:http://o.pki.goog/s/we1/02c
CA Issuers - URI:http://i.pki.goog/we1.crt
X509v3 Subject Alternative Name:
DNS:ietf.org, DNS:*.privatewikis.ietf.org, DNS:privatewikis.ietf.org
X509v3 Certificate Policies:
Policy: 2.23.140.1.2.1
X509v3 CRL Distribution Points:
Full Name:
URI:http://c.pki.goog/we1/OpMCQT6sVwg.crl
CT Precertificate SCTs:
Signed Certificate Timestamp:
Version : v1 (0x0)
Log ID : DD:DC:CA:34:95:D7:E1:16:05:E7:95:32:FA:C7:9F:F8:
3D:1C:50:DF:DB:00:3A:14:12:76:0A:2C:AC:BB:C8:2A
Timestamp : Jul 19 19:51:34.590 2025 GMT
Extensions: none
Signature : ecdsa-with-SHA256
30:46:02:21:00:94:72:D1:07:7C:DC:69:42:D0:B0:49:
3B:A3:A4:82:7D:40:00:71:A7:A0:5F:4C:54:A2:09:E1:
6D:9A:3A:43:B2:02:21:00:98:8C:3A:7E:94:E8:FF:05:
28:82:C5:C8:FE:55:25:4F:1E:7E:5E:91:CF:04:3D:F1:
D7:44:4E:59:00:CC:35:6F
Signed Certificate Timestamp:
Version : v1 (0x0)
Log ID : CC:FB:0F:6A:85:71:09:65:FE:95:9B:53:CE:E9:B2:7C:
22:E9:85:5C:0D:97:8D:B6:A9:7E:54:C0:FE:4C:0D:B0
Timestamp : Jul 19 19:51:34.600 2025 GMT
Extensions: none
Signature : ecdsa-with-SHA256
30:46:02:21:00:C2:F0:65:D3:09:0A:D9:BB:CA:7C:83:
B5:D5:55:75:70:89:10:BF:8B:09:EC:4A:53:DF:D4:BB:
5F:8F:A3:9F:C4:02:21:00:CA:B4:E3:40:77:3A:F9:F5:
7D:E6:D2:4F:E3:40:C2:E2:B8:E5:A8:F4:53:FB:F2:4B:
DB:35:BE:5C:12:5B:1A:41
Signature Algorithm: ecdsa-with-SHA256
Signature Value:
30:46:02:21:00:88:1e:a0:eb:66:60:dc:c0:3c:a3:9e:6e:74:
9a:5c:7a:b5:e5:d8:c0:d6:2e:6e:bb:76:9c:1e:4a:14:be:d0:
c2:02:21:00:af:42:11:66:66:4b:b5:39:df:c5:90:85:1a:6d:
49:19:0e:0d:2e:8e:f2:17:27:ad:d1:c9:02:86:4d:2d:7d:e4
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----