iqthink.com
Issued by R3
About this certificate
This digital certificate with serial number 04:34:4b:c2:11:81:97:67:02:dd:c0:84:e4:7d:86:82:2a:6e was issued on by Let's Encrypt.
With 2 subject alternative names this certificate can be used to secure multiple fqdn's. This certificate has already expired and will cause a warning or error message in the browser it's still listed on this site to allow you to look back on previously issued certificates. If we have found any compliance issues with this certificate they will be shown below. I hope this certificate review is providing you the detailed information in a simple form you where looking for.
We have idenified some issues with this certificate:
- DV certificate contains a subject common name, this is not recommended. If certificate policy 2.23.140.1.2.1 (CA/B BR domain validated) is included, only country and/or common name is allowed in SubjectDN. (BRs: 7.1.2.7.2)
- Subscriber certificates use of Subject Key Identifier is NOT RECOMMENDED (BRs v2: 7.1.2.7.6)
- Subscriber Certificate: commonName is NOT RECOMMENDED. (BRs: 7.1.2.7.1)
Certificate Subject
CN=iqthink.com
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 04:34:4b:c2:11:81:97:67:02:dd:c0:84:e4:7d:86:82:2a:6eSerial Number (int): 366244526567272464129415074081253456226926
Serial Number lenght: 139 bits, 18 octets
SubjectKeyId: 51:09:19:1f:2b:f1:67:d9:e4:eb:5b:52:fd:a5:38:8a:82:ac:68:ea
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6
Fingerprint (sha1): 61:a7:7f:7d:86:3e:05:b7:93:ce:b4:de:06:4c:21:76:1f:35:ef:a0
Fingerprint (sha256): e3:11:d2:81:c8:2a:0f:e3:71:b1:c1:13:70:cb:e6:fb:26:e2:4b:19:cc:f1:80:59:41:7d:75:e4:94:dc:e8:36
Issuing Certificate URL: http://r3.i.lencr.org/
Revocation information
OCSP Server: http://r3.o.lencr.orgCheck the revocation status for certificate iqthink.com
2
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for iqthink.com
Public Key Algorithm
ECDSA
Key Size
256
Signature Algorithm
SHA256 with RSA
Key Usage
Digital Signature
Extended Key Usages
Server Authentication
Client Authentication
Extensions
9 extensions
No
unhandled critical extensions
CA Certificate
This is not a CA certificate
Subject Alternative Names
iqthink.com
www.iqthink.com
www.iqthink.com
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Certificate
The complete raw certificate details for iqthink.com in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIEKDCCAxCgAwIBAgISBDRLwhGBl2cC3cCE5H2GgipuMA0GCSqGSIb3DQEBCwUA MDIxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQswCQYDVQQD EwJSMzAeFw0yNDAxMDcxNjIwMTFaFw0yNDA0MDYxNjIwMTBaMBYxFDASBgNVBAMT C2lxdGhpbmsuY29tMFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEAA19+NmAY3NJ kRlx2JK2sAToCzJqEnshMXcXGZ22GAbd1oV0GpUGybnIahnmmO8BkSKan3Q+Rq/m +neJf08OIaOCAh0wggIZMA4GA1UdDwEB/wQEAwIHgDAdBgNVHSUEFjAUBggrBgEF BQcDAQYIKwYBBQUHAwIwDAYDVR0TAQH/BAIwADAdBgNVHQ4EFgQUUQkZHyvxZ9nk 61tS/aU4ioKsaOowHwYDVR0jBBgwFoAUFC6zF7dYVsuuUAlA5h+vnYsUwsYwVQYI KwYBBQUHAQEESTBHMCEGCCsGAQUFBzABhhVodHRwOi8vcjMuby5sZW5jci5vcmcw IgYIKwYBBQUHMAKGFmh0dHA6Ly9yMy5pLmxlbmNyLm9yZy8wJwYDVR0RBCAwHoIL aXF0aGluay5jb22CD3d3dy5pcXRoaW5rLmNvbTATBgNVHSAEDDAKMAgGBmeBDAEC ATCCAQMGCisGAQQB1nkCBAIEgfQEgfEA7wB2AKLiv9Ye3i8vB6DWTm03p9xlQ7DG tS6i2reK+Jpt9RfYAAABjOTwcEwAAAQDAEcwRQIhAKPLMIU2/Ga8jSMMAJK/pbwO 25XCCmQWFCw42a8JW8+YAiAkTnoRsQ5rAaAZ16WqsaZbs46n3wJiuRzu1cylqgqn JAB1AHb/iD8KtvuVUcJhzPWHujS0pM27KdxoQgqf5mdMWjp0AAABjOTwcLAAAAQD AEYwRAIgAk3DaSAQWXBxS77ubgy1GoWuwgE3CxzP0Gj32YTxyFQCID2SrBNU3zMM mScWaf7XtBPmPXnn0a70iO/7TgSeHbzQMA0GCSqGSIb3DQEBCwUAA4IBAQAtjWet 00++rhKZBrd+11QqcU/D3wS9r4stF7r2+MCeCtRw5bIzXwf+hpc4yD9zBobXeBMK 2ONex28dIceBpwVBTOkR9jodDyMkKocCB2lDmel+QdkwHTJ4uPiKyLtDYiULYiwT uEMk8dq0hv4Kc540SaPugTUXSHoMKuiAh9sSDiQZ0iDsjl/vyjg22Tsp0+aEqBSS 3KaaQirIzd9F0hkZmx39XjstZwxjTal8WiMIDCoeuE0m/lciszPXTmyV2SZL3KPd 4fbPliepByGoQyuhtbcP77jTSqiAm/RqHWlS8PWH8rtwEqKtQhUXQ+eEH+9areYw LGf17ViVeGbOKSN2 -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEAA19+NmAY3NJkRlx2JK2sAToCzJq EnshMXcXGZ22GAbd1oV0GpUGybnIahnmmO8BkSKan3Q+Rq/m+neJf08OIQ== -----END PUBLIC KEY-----
ASN.1 decoded
[c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . [c:2|t:0|true] OtherName . . . . . . . . . . . . [c:0|t:2|false] INTEGER 2 . . . . . . . . [c:0|t:2|false] INTEGER 366244526567272464129415074081253456226926 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11 (sha256WithRSAEncryption) . . . . . . . . . . . . [c:0|t:5|false] NULL . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.6 (countryName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'US' . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.10 (organizationName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Let's Encrypt' . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.3 (commonName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'R3' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-01-07 16:20:11 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-04-06 16:20:10 +0000 UTC . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.3 (commonName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'iqthink.com' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.10045.2.1 (ecPublicKey) . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.10045.3.1.7 (prime256v1) . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (520 bits) 0004000d7df8d980637349911971d892b6b004e80b326a127b21317717199db61806ddd685741a9506c9b9c86a19e698ef0191229a9f743e46afe6fa77897f4f0e21 . . . . . . . . [c:2|t:3|true] ORAddress . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.15 (keyUsage) . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN true . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (4 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (1 bits) 0780 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.37 (extKeyUsage) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.1 (serverAuth) . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.2 (clientAuth) . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.19 (basicConstraints) . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN true . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (2 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.14 (subjectKeyIdentifier) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (20 bytes) 5109191f2bf167d9e4eb5b52fda5388a82ac68ea . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.35 (authorityKeyIdentifier) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (24 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|false] OtherName 142eb317b75856cbae500940e61faf9d8b14c2c6 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.1.1 (authorityInfoAccess) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (73 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.1 (ocsp) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://r3.o.lencr.org' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.2 (caIssuers) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://r3.i.lencr.org/' . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.17 (subjectAltName) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (32 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'iqthink.com' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.iqthink.com' . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.32 (certificatePolicies) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (12 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.23.140.1.2.1 (Domain Validation Certificates Policy) . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.4.1.11129.2.4.2 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (244 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes) 00ef007600a2e2bfd61ede2f2f07a0d64e6d37a7dc6543b0c6b52ea2dab78af89a6df517d80000018ce4f0704c0000040300473045022100a3cb308536fc66bc8d230c0092bfa5bc0edb95c20a6416142c38d9af095bcf980220244e7a11b10e6b01a019d7a5aab1a65bb38ea7df0262b91ceed5cca5aa0aa72400750076ff883f0ab6fb9551c261ccf587ba34b4a4cdbb29dc68420a9fe6674c5a3a740000018ce4f070b000000403004630440220024dc36920105970714bbeee6e0cb51a85aec201370b1ccfd068f7d984f1c85402203d92ac1354df330c99271669fed7b413e63d79e7d1aef488effb4e049e1dbcd0 . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11 (sha256WithRSAEncryption) . . . . . . . . [c:0|t:5|false] NULL . . . . [c:0|t:3|false] BIT STRING (2048 bits) 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