www.windowflex.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:13:73:64:4e:ec:fe:ca:21:a5:6e:5f:ac:eb:27:15:e4:81 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): 03:13:73:64:4e:ec:fe:ca:21:a5:6e:5f:ac:eb:27:15:e4:81
Serial Number (int): 267955604816784338546419227425331402368129
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 68:96:f5:ac:9f:0b:41:ef:37:db:ef:f2:3f:77:78:b0:00:41:47:be
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 26:ae:54:ec:a3:08:01:c7:e4:e9:3b:57:f3:f6:75:b9:c2:fe:b2:6f
Fingerprint (sha256): b9:8b:8c:64:87:c2:c5:f0:69:d4:8f:c0:99:e3:3a:f0:f1:50:d3:35:dd:e6:7e:d1:f9:5d:42:15:c1:f3:ad:80

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 267955604816784338546419227425331402368129
 . . . . . . . . [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 2020-02-15 23:48:25 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-05-15 23:48:25 +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.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 754077607220747058638347028387803637502894086594059107192298120838371398926559650423538849846762539663374194405853040188528293582801211280132426747924117439302835331134574707673927616250369332566031494181138171722570601337297573188363798936815459982076209025843358196569575717649824253603283279530788594801771502498905129410997911966256110871609204823490774947865935370627620934128692387343848398289149398898109055880906988798652357274136314615653134675772121223317494858497731767418836864979736754231098707384876261403935929969694784326874580355696435473574093584325022648860132392801432207662862407500131521827692360083479597577278567256432445072314110968250373799908134770477857755606410612764380204324322135011629704040765605172201065266574575139815470554147872412433696064924972315797568833090378847892692538516360406810633096992067248307792725865321481577154459860643183089115396352772760640366311828982049049038019602352401554368366233448666352441713799265046991483392948782065113619817750735515327711815514684831782657214130732235262354765656960692073694707990172770018685443709778225783218946796422958036531621687121142855224920163003927788876336030448548167397716808795618402592425697202734192970889138159480626243582768109
 . . . . . . . . . . . . . . . . . . . . [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)
							6896f5ac9f0b41ef37dbeff23f7778b0004147be
 . . . . . . . . . . . . . . . . [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)
							00f0007600b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e000001704b77c6090000040300473045022075cfeeb8280200a05ed05e0bfb7b4faf3120c23e1d170f3558eb5eb5f8f848f7022100b9f2d735c21d75011115f43dabfeafdf7acf7d536ccbf4974693a9fa52562f42007600e712f2b0377e1a62fb8ec90c6184f1ea7b37cb561d11265bf3e0f34bf241546e000001704b77c61e000004030047304502200cf21ba14f23464cb86476b1e86444c5fe445550c647510d846551efdb085d9c022100b29b598a2a77747b858616e1b517f36da0c5302d6c6b6e54f509660a63ca3cac
 . . . . [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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