flexlast.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:03:cb:3c:57:e0:1f:32:fb:36:1a:f7:38:dd:7c:09:6e:1d 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:
  • Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)

Certificate Subject

CN=flexlast.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:03:cb:3c:57:e0:1f:32:fb:36:1a:f7:38:dd:7c:09:6e:1d
Serial Number (int): 262627851499325804930917042390413282471453
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 99:4c:0e:8d:f5:73:53:a7:5d:7a:1d:bb:6c:03:ba:15:93:fa:23:6a
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 33:bf:68:e1:ac:8e:7c:5b:f3:17:0d:c0:87:9a:e9:06:9e:2d:bf:88
Fingerprint (sha256): c7:c2:ac:99:f7:8d:d3:61:43:ba:d0:98:b1:00:09:2a:2a:2d:63:63:17:f6:eb:c3:74:fc:f1:06:2f:4a:ec:73

Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/

Revocation information

OCSP Server: http://ocsp.int-x3.letsencrypt.org

Check the revocation status for certificate flexlast.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for flexlast.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

flexlast.com

Other certificates including the domain name flexlast.com

(limited to 100 certificates)

Certificate

The complete raw certificate details for flexlast.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 262627851499325804930917042390413282471453
 . . . . . . . . [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 'Let's Encrypt Authority X3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-10-12 07:57:13 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-01-10 07:57:13 +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 'flexlast.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 928301528088350552167853431546791387524663367401587387093701675983697622427172260423872607771094660927665792155632732008886860142214694669233600554740480585142269596547107083889799241415842557207400838861011538746896593943591600151525441190554869643619061734935033249128201650615178316946916031296832992408351058218102331348753870760777549287959741344445518891428637168831022574438326214984972726152159450893634833838750714610251141613952196229461504777467075667116369476915943807597742581616505955466306704474763151681162590988369600516709200757433574568844665894441171784125302961488202690698667093052509925455184093747066952507778286374640789013244312477316292097648751128535450284875542508160890698732371469085995790508733066581424532070835098532153785139103906899685786253420161249760924010468489555935166901700537847982028574021587207632384374568830868604463887044899344062981813069634746310942865096577643617844738695343065770032864954243424015762299178748676447611182945640474773118216776440082360179295800126902891583297345041004682261372677279987821516934462055077492512049279396477188079259343350580062979483100684786115600331643934632483897533571772805744448315386847993374471959685201957958259195862958279153658807919301
 . . . . . . . . . . . . . . . . . . . . [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)
							994c0e8df57353a75d7a1dbb6c03ba1593fa236a
 . . . . . . . . . . . . . . . . [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 a84a6a63047dddbae6d139b7a64565eff3a8eca1
 . . . . . . . . . . . . . . . . [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 (99 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://ocsp.int-x3.letsencrypt.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://cert.int-x3.letsencrypt.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 (16 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'flexlast.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)
							00f0007700b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016dbf2fa2cf0000040300483046022100f8c95db3d6a59512565a00ed68e22628e029be82d7adbea3c8d55a429ac36091022100c7584c3167a593cef3ebf7ed38d68bb439f3639baa0d7edaf9527ccf467d36210075006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d9130000016dbf2fa4b400000403004630440220238dda08549e7b662b0c32590b9a141dd9bff46e619c8da9e49f1d7b38ff5598022016577f4def96e333c445f2d7c17e9282a9a1566a19626ccae77ed50a9ffe942a
 . . . . [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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