*.nextknowledge.ca

Issued by R3

About this certificate

This digital certificate with serial number 03:3d:fe:c9:e9:0e:db:7a:68:6f:d6:ae:8b:66:a3:c8:e4:1a 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:
  • Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)

Certificate Subject

CN=*.nextknowledge.ca

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:3d:fe:c9:e9:0e:db:7a:68:6f:d6:ae:8b:66:a3:c8:e4:1a
Serial Number (int): 282432754467034477468537400510506311672858
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: a9:97:e6:74:ee:be:46:95:9e:91:a4:ce:66:bb:7e:4f:39:1e:d4:19
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): b1:d1:f7:84:a5:20:0b:68:29:99:f6:ad:9e:64:40:c1:cc:bc:b4:05
Fingerprint (sha256): ca:aa:2b:ed:b4:36:8d:64:86:d5:a9:0e:5f:48:fc:6e:f4:91:c8:12:bf:5d:c8:6d:35:f0:0c:40:50:31:c1:65

Issuing Certificate URL: http://r3.i.lencr.org/

Revocation information

OCSP Server: http://r3.o.lencr.org

Check the revocation status for certificate *.nextknowledge.ca

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for *.nextknowledge.ca

Public Key Algorithm

RSA

Key Size

2048

Signature Algorithm

SHA256 with RSA

Key Usage

Digital Signature
Key Encipherment

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

*.nextknowledge.ca
nextknowledge.ca

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Certificate

The complete raw certificate details for *.nextknowledge.ca in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAohi8wBt3j9TftEDQZXCG
0QP2VBGcJ4D4X7uRVtZGuBR9xuO4Bk3WZQQwum67yG17m3+QkE//+yZLStJsQdmP
W0VBDEafBw9rv/9Pvj6DQB5GldITgmzD+wtgXLR3E+YeznZgfiDmvC9HW6t4fhc3
Tjau4tzGQTfuq9lTuWCCwPAubP1zi/o4Wkg2wCdTqN15k79BmqbPwQJvRyRjafAU
lVSIxxbVCy6fzbY1atKZ0Aj/l4gRudUxqcB4znMqVdSXaFTbLjRauDacm11WWHEw
iGJwH3PLtCBA+Z81dsMMNBC5+H+H3e/eBnJ0Zv6HkkZo3PlzyS+WXHhu6LtJNqW5
XQIDAQAB
-----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 282432754467034477468537400510506311672858
 . . . . . . . . [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 2023-09-02 11:20:59 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-12-01 11:20:58 +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:12|false] UTF8String '*.nextknowledge.ca'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.1 (rsaEncryption)
 . . . . . . . . . . . . . . . . [c:0|t:5|false] NULL 
 . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (2160 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 20462803824891542226774184145542145818864443787376525435274737385324064921364236689344397168624315784298871841315990547500224936666832660228083057580225600141431136237397380877856069958762951305233207477659295050425134034231892279081312914822676086190454530112832706444828388452111586315505443932833885714572523968629197150659066483779643052870181182869291512219374373340524114272483930329012022235580664705960160267259269877823806886078787459066349903669258093330722466522754040561866340057473423211658826677615435840931955724200217717473831405951060534143901130952993100598704232089425955233911649149045773449935197
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 65537

 . . . . . . . . [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 (3 bits)
							05a0
 . . . . . . . . . . . . . . . . [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)
							a997e674eebe46959e91a4ce66bb7e4f391ed419
 . . . . . . . . . . . . . . . . [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 (40 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.nextknowledge.ca'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'nextknowledge.ca'
 . . . . . . . . . . . . . . . . [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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f0007600b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb4990000018a55d6dfcc000004030047304502205d234120111da3094978c39052871e0601088ab1e635ebaf3589535a6340ae3d022100ce9230e4fa726307bd7d653a8c2592cf4c7c4fbedf9e89f5a8109450d319d539007600e83ed0da3ef5063532e75728bc896bc903d3cbd1116beceb69e1777d6d06bd6e0000018a55d6e0500000040300473045022100f3a5fb4a5ca34fd811353b5e285ccf50d0b3b3f1e13d1de35b651f7d865d761f022065577c159722d0d9739791796fe354138a2898b7ce8bb6e948178c8fa7ebf503
 . . . . [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)
		0021e46920478a2c86ceb41698e8d8fdaeeef0512ec701e970e1161138b90d2446ba32fbb7b8af38bcec355a7b7b4b6afd70d48666f6d0b1b2131f3d4d820eb6ccac349135b4e6650d53665302ac1a5d38e210b953674c76a09a92146cc31166d9c23356f9faa78f94b17ef2f9c0d94849f1245d2cdbaa4aadfdfafd7867a2569db4122bd6436a18f02fa51a63e9ca366aabfe289a7b980ad31d00b764bd7139ecd4fd82c9b0154d9deb89e49fc6e23dac0e5f6259558e7884504a795f434fa0cdd3a9e67562f73277c84b4aa20beedd99acf6ed01e93a24f59c6cbde06bd116e8e14e78ddad7e7c0d46f05572294aa2216622183c4cb5c3cd1059b258a23c0925