www.windowflex.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:92:04:c5:0f:14:7a:1f:5c:8d:95:e3:e3:ad:28:0a:24:a7 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=www.windowflex.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:92:04:c5:0f:14:7a:1f:5c:8d:95:e3:e3:ad:28:0a:24:a7
Serial Number (int): 311024423466060529020087290256687222105255
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: fc:0d:76:fd:ce:7d:f7:99:f1:95:32:5b:09:de:26:0e:36:26:48:c5
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): c3:27:83:57:85:cf:a4:a0:26:40:aa:26:23:d7:bb:eb:55:46:4b:fd
Fingerprint (sha256): 51:cd:7f:bf:99:56:c1:8c:83:18:56:9d:19:60:34:55:9b:91:9b:bf:2e:3c:b6:81:c3:0b:2c:45:68:7f:1d:4e

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 www.windowflex.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.windowflex.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.windowflex.com

Other certificates including the domain name windowflex.com

(limited to 100 certificates)

Certificate

The complete raw certificate details for www.windowflex.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 311024423466060529020087290256687222105255
 . . . . . . . . [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 2019-12-17 17:58:37 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-03-16 17:58:37 +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.windowflex.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 700085235170246702038398533680607099063119324707462523924930222587032652790151659407077453593580095001060764521301851675567596539172626053159388423670233545813235645559850904039771335681721189708158459029937192923424262456244056457248191513673615996412725034530303484973681334325971594325005878050811305572910774171780287973044261747722729019834387882192292326755987845627863348103987707203930475740995132147566693360502290011597086756704234486360664343145721724669603276285825574593523289050398746085321448426160055374925862376079608844180242824242925652477580477191044512669339424129288040905330363429988717762926659679986891690234714246772832163483655465074171644295213237527998537648980337007244573990590684436353639584310916826464946040941138052810186411663771542586113421021438413808041221666199864375031682585533200154958142382073358561523858033937524713078142678614725478930738043180821727043666843531043748299221788076795913160641409934944735136813816504836628160800569655618192924593516972591916356310630749850970049804995115426024033100182671819311404933200788809975930571715180268222097586983490385953139437843363907287016596428793849812923077553882924295556068823569130458271236367814828712866588906189715558996415267561
 . . . . . . . . . . . . . . . . . . . . [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)
							fc0d76fdce7df799f195325b09de260e362648c5
 . . . . . . . . . . . . . . . . [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 (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.windowflex.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)
							00f00075006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d9130000016f1539f4ab0000040300463044022021168212d7172bafdbee19371a11673662226c7c2cca07745c0f5af64af9580e02207f6b22a33b9f8472db4c4d0a5a94c0af8f12104c04342b4b0594b89ac74543f4007700b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016f1539f474000004030048304602210097025c97098484f29fc57e0427e59a75a17c4b0b6a3bc71a7b5961b306e14e45022100b37b8ba9b362c4ccae1ffb1cffde3382492772af0e3e506fccb9a3ade7c92e11
 . . . . [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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