looka.org

Issued by R3

About this certificate

This digital certificate with serial number 03:26:a0:0d:30:79:7a:5d:5e:59:0a:5c:8f:4d:11:b2:9a:42 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=looka.org

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:26:a0:0d:30:79:7a:5d:5e:59:0a:5c:8f:4d:11:b2:9a:42
Serial Number (int): 274480332700641287730254263314793073121858
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: f8:c8:d3:bb:a0:6d:65:77:35:d2:4d:9c:26:7a:b5:72:0d:f6:3b:af
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): ee:22:09:91:b6:d8:0c:71:8a:72:e1:d2:15:ee:ce:75:51:05:07:3f
Fingerprint (sha256): c7:6d:c0:d5:42:3d:c8:39:2a:1e:2d:7f:18:9f:50:66:b7:11:32:ca:9c:b5:3c:56:e4:6c:50:4c:51:89:c8:93

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

Revocation information

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

Check the revocation status for certificate looka.org

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for looka.org

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

*.looka.org
looka.org

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(limited to 100 certificates)
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looka.org
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looka.org
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hugabee.ca
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hugabee.ca
exoniaconsulting.ca
hugabee.ca
impossible.ca
exoniaconsulting.ca
exoniaconsulting.ca
looka.org
exoniaconsulting.ca
goldenoldies.ca
gresham.house
exoniaconsulting.ca

Certificate

The complete raw certificate details for looka.org in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEArK/tBsDpYQAh7V9ukY8Y
aTUzTGykjlYlE7i5l99SoNLi6QkefohWJeEzBOu24nC3uHlyFM++Og867QQnEs1S
g0+2h5QiKprifR1BfElDg3UV3okLpEIoQ+As4RPhXrO73L5pIrzUhVyezOiDAQKm
Kz9yhPWQ+xy0EyATkB4l480livLaP/MI5fJLemr85+yS6CSbboZBJlpLvCjM5b+P
Ks6SqG3/yrYd+iDl3hURa/g1HUTWgq4JRFnMAGuLtRzmNE6+4XWRbNvux+NJiMKN
f6+03pFdzmL1fTrPRNnQj8H+tN2LOfg9x+3qZJv04KhTltgJ2tTD4ACJ+omQair5
GQIDAQAB
-----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 274480332700641287730254263314793073121858
 . . . . . . . . [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 2023-12-25 02:22:23 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-03-24 02:22:22 +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 'looka.org'
 . . . . . . . . [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 21799740741012996614447135624603342055541421180303285210954435982932570305746088144749574757013687716146560477344314997518324086393773570320586952338070375778016719795276490538010162633707802936254148072523683645424048889332635975749628359454557501988083542112225315377105967608892455733085741769799503328506097198399354751988532294110716126274728746872560826021690514043936527081140789225888783226680568064921367910627285788315229589399876330037980346986354609919849476634406392152189260788263664213582267886418174289856058949867754816041936293701821319306890304982468009725475207789642211043116655335671461732612377
 . . . . . . . . . . . . . . . . . . . . [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)
							f8c8d3bba06d657735d24d9c267ab5720df63baf
 . . . . . . . . . . . . . . . . [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 (26 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.looka.org'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'looka.org'
 . . . . . . . . . . . . . . . . [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 (243 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (240 bytes)
							00ee00750048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018c9efebacf00000403004630440220550c1a623c5dc4138179f2d6133e6b74c00ba8c2fd5dfc4e937be68e13db2fb60220384b276b29c85289a7c3a47dbd67085902462817a6140a4d9f8e6b94df7a7fa70075003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018c9efebadb00000403004630440220674f4e32a16c7d7612f4a4c595145864218a24b1dba4759012a47f7e8f9f2044022028095dfc4c57235f96b646777ff5a442c06c18f26d07da892e839eb61aae26c4
 . . . . [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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