www.covertest.com

Issued by R3

About this certificate

This digital certificate with serial number 04:2f:e5:0c:15:86:7f:52:3b:2f:d5:5a:8b:db:14:d4:b5:db was issued on by Let's Encrypt.

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=www.covertest.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:2f:e5:0c:15:86:7f:52:3b:2f:d5:5a:8b:db:14:d4:b5:db
Serial Number (int): 364746870927508721983363731320755906196955
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: a6:b0:a5:fc:c8:5f:63:43:21:9e:7b:d8:ae:40:f4:2c:e0:4d:6f:cc
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): c0:d2:78:5d:b8:c2:49:3a:c7:2e:82:e5:29:0c:77:c2:39:11:77:1c
Fingerprint (sha256): 69:99:af:a9:2b:bf:2a:b6:20:d5:f7:2a:c5:f1:2d:b7:b9:55:c5:98:f2:ab:79:05:7a:64:00:8d:14:a5:64:da

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

Revocation information

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

Check the revocation status for certificate www.covertest.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.covertest.com

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

www.covertest.com

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frvco.com

Certificate

The complete raw certificate details for www.covertest.com 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 364746870927508721983363731320755906196955
 . . . . . . . . [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 2023-12-02 11:58:26 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-03-01 11:58:25 +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 'www.covertest.com'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.1 (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 839451486289710128415267048687990653637520491860758139336660192585400533321726819078923178160173429184554011328843930775461667960200534562392543936136897123619604945553592395111751219375956656464459515621465947526209387657939153240239641243316690737026740543569592796141560563202632608235499254199545268104414898268247316859571091073087048029619357727648130064181015272465528792895524789031181232215033249600809129500400332971856730301836225510179772246613198078184240720113055897612522169440610478948712465205158415989781305040249963891350302583818123473107563314043606019018025764315345089278726199528872530064877974498100771036933169319281802842658888320497290958555378953177304973872249335493343106064752048007526815943670987513506057068212047067761633421583028308058268697814983988998403418830946655857883008011459394904117144691701110698422319729522837710217314683461666846491681034376725834042247521468741741950903518350292508203552684997093442347468638155673780700132960784209613320990642916534631429894332408452715320993152926742655240582204566819204839253660235064452617242491920362498189222216284485270450049647418303515962253298565139919026240416600592800172383095495626292732091216011300608627553479180150039723990595411
 . . . . . . . . . . . . . . . . . . . . [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)
							a6b0a5fcc85f6343219e7bd8ae40f42ce04d6fcc
 . . . . . . . . . . . . . . . . [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 (21 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.covertest.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 1.3.6.1.4.1.11129.2.4.3 (CT Precertificate Poison)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN true
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (2 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:5|false] NULL 
 . . . . [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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