sk.grandlib.com

Issued by R3

About this certificate

This digital certificate with serial number 03:de:98:30:9a:29:0b:f7:b4:ba:1c:06:94:a5:7c:be:5b:19 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=sk.grandlib.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:de:98:30:9a:29:0b:f7:b4:ba:1c:06:94:a5:7c:be:5b:19
Serial Number (int): 337081838264080733131835053011978589985561
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 22:1f:a0:a5:f1:4b:51:0f:0b:68:ff:bb:df:78:40:f6:26:49:5d:44
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): f2:6c:73:5c:21:e2:5e:eb:28:3e:40:e1:d4:a8:44:8a:9c:8e:cc:1b
Fingerprint (sha256): ee:59:77:f0:9a:29:32:6c:a6:4f:9e:98:31:ee:98:e9:76:b6:4f:30:f3:e4:26:88:8c:77:16:c7:09:99:89:b8

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

Revocation information

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

Check the revocation status for certificate sk.grandlib.com

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for sk.grandlib.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

sk.grandlib.com
www.sk.grandlib.com

Other certificates including the domain name grandlib.com

(limited to 100 certificates)

Certificate

The complete raw certificate details for sk.grandlib.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 337081838264080733131835053011978589985561
 . . . . . . . . [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 2022-10-04 05:56:22 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-01-02 05:56:21 +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 'sk.grandlib.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 799493751092032417148643183446957949582812026347650070561104277114280644575167762928523680831236706927677959780438828705419400330651383692759011255164703262188976577779343392827671881447052967628087047071374322823435783450376803918856536473764961927984792277071169860364466575416253267355931894078200951458381045975506951904372564764175651675396295129212857938871380682115927315575734671890355373683501557529034302809091229917072887869619871003909844403773566305033316749130468416348383277603519765946332583157928999661409771757965973872043038837138273335473154645600811454767875757806139137707632325702578523264844329893365235178446195708969032222553408211348987392425608269000677619235696899740418946198774772812333100422308229950867991947039505640151412978582977654348111249935685279888252457438273752000841284494161069822999742936112282565547542650052021455751315269924171216598769625906111556044308693136150246065738317006697702162808331708013798174308933761610635834905444175287868168627769719800777791966419732121469066740682485808719538431360602537807108062747968879442063678753315034429082476211832018417777337342201029331368578837638483573448578306511538720740181041676201869943187713338730829416364771664693227999176994999
 . . . . . . . . . . . . . . . . . . . . [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)
							221fa0a5f14b510f0b68ffbbdf7840f626495d44
 . . . . . . . . . . . . . . . . [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 'sk.grandlib.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.sk.grandlib.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 (69 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 1.3.6.1.4.1.44947.1.1.1
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.2.1 (cps)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:22|false] IA5String 'http://cps.letsencrypt.org'
 . . . . . . . . . . . . . . . . [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)
							00f00076006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d91300000183a1c8014e000004030047304502207a60dbda5429947c11f277dcde0013d28de9a0eeb2a68f48347bb90774631002022100b6c6ca66f568bb2bd775f8678aeb11975102532a6b2f9cb73f0406afbe13c204007600e83ed0da3ef5063532e75728bc896bc903d3cbd1116beceb69e1777d6d06bd6e00000183a1c802d900000403004730450220169df15c70a690214d3043d49834d9e7fb47caad6c727e812072453cf6ac31170221009d95c6664bd3713770a4a806ef9eb85a18a0fe739ddae0761fdb3674d0b25d94
 . . . . [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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