cassis.co

Issued by R3

About this certificate

This digital certificate with serial number 03:00:22:99:7e:0c:52:f1:fd:4c:e1:87:e8:7f:47:ea:63:ed 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=cassis.co

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:00:22:99:7e:0c:52:f1:fd:4c:e1:87:e8:7f:47:ea:63:ed
Serial Number (int): 261382848525116801236564039932364534211565
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 09:e8:17:5b:0c:bd:de:51:dd:8c:84:a6:18:1f:f0:50:77:9c:0b:6d
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 6d:4a:05:91:de:a7:18:23:62:b8:1e:8e:7a:88:b5:40:c2:9d:49:45
Fingerprint (sha256): 0c:ea:ec:d5:0d:54:5e:28:88:8c:53:80:10:9c:42:41:b0:82:ec:25:60:18:1c:b6:75:a0:f1:f0:1e:f7:2a:4d

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

Revocation information

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

Check the revocation status for certificate cassis.co

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for cassis.co

Public Key Algorithm

RSA

Key Size

4096

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

cassis.co
www.cassis.co

Other certificates including the domain name cassis.co

(limited to 100 certificates)
cassis.co
cassis.co
cassis.co
www.chiefs.co
www.cassis.co
loris.co
cassis.co
www.filiberto.co
bellydancer.co
cassis.co
www.thecannagar.co
cassis.co
cassis.co
cassis.co
www.cassis.co
ostomates.co
cassis.co
cassis.co
www.kevo.co

Certificate

The complete raw certificate details for cassis.co in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----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-----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 261382848525116801236564039932364534211565
 . . . . . . . . [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 2024-03-06 03:09:31 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-06-04 03:09:30 +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 'cassis.co'
 . . . . . . . . [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 (4208 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 637144318029555195631886809162016997814143325681881117745025418714751605704241418837727341865044384439379135082251723767911500122476594040795214176150706075173155391613932274205159884322880979777832051572119935307409072252763734125559042170504659850262279911781028479964789495817546645420310048886737508521392064563383626575441659995044142990412721991289631378829255269684369187087326767000158035092816678209153185112034557417190145171615055140448143066822812139976381729773605254844511298029070205175464506687315867354232757562742373344017979515566493694965287682740192733467296463098559345699546766859492684223672835848318825878168550322634687400985351395736780232112561108600753839613776494422684838094565367068084063211768969119358179209966113352232570618442242142660855227263429968701432710886810800616775913528811425192791842553716217108147084955643549115321822621216769079370068697136940398016805751145123158492319664640243529725196475969890035998886980792236996210582502863625044690985451774798887427639636804589892498484660189642864345202078972453266828414398622144641925595134847110154228591645780220927127216421746642449200427495955619628395612834590730362362406266335872282733032545746445200903620040037390011353054161811
 . . . . . . . . . . . . . . . . . . . . [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)
							09e8175b0cbdde51dd8c84a6181ff050779c0b6d
 . . . . . . . . . . . . . . . . [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 (28 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'cassis.co'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.cassis.co'
 . . . . . . . . . . . . . . . . [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)
							00f00075003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018e11f3c3cb0000040300463044022014a4d8065ad228e813ffe4eb513bfd5daadb3ae6eb1ed2782ba5b36ebad2801402205667bdcf5d433005cffde8da69cbcd446311cd9e9b6c988428702e7d1538a8ff007700eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018e11f3c3c50000040300483046022100907a7413d7ac0c574ea62e97caf6a55567df09cd8f6463d7d6ddafb097b29bd4022100be9761697730e39ccd75f9b299392c086b3406eaf190a3169a4e0dc7c301f9e2
 . . . . [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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