www.flexsur.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:d1:fa:12:31:3d:93:01:f9:53:d8:0b:75:92:65:93:6b:4b 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.flexsur.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:d1:fa:12:31:3d:93:01:f9:53:d8:0b:75:92:65:93:6b:4b
Serial Number (int): 419900559872523293220551590642195545418571
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: ca:ab:63:93:d2:a1:cc:d6:dd:07:c7:fb:53:a0:2c:22:0e:07:b6:16
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 88:79:78:b2:98:f9:55:c6:48:39:23:81:7b:19:c9:f7:8f:5e:6e:22
Fingerprint (sha256): 78:cc:87:55:1f:f0:2f:00:d9:98:7f:0f:26:97:79:6a:8d:0b:a8:0c:ca:e3:4b:fc:c6:9e:c1:76:67:84:55:b1

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.flexsur.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.flexsur.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.flexsur.com

Other certificates including the domain name flexsur.com

(limited to 100 certificates)

Certificate

The complete raw certificate details for www.flexsur.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 419900559872523293220551590642195545418571
 . . . . . . . . [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 01:21:59 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-01-10 01:21:59 +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.flexsur.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 783332246082661138886201816765405267267063782256034041050276167192374780740252380823016320830345071564335806633259647305099571896481967950897843293000143134086300996232765839222063055292032420227830437713155496091425458290482002896571966630130148376055536601051328768498678134894144627903204635298088722600052193891944624024583426677947985849820100199689518444738801637085454668833765218838355631125414090770343162067069982133612151558217992247766381030908251684432520616733629877151539327929225634930851572976632912964047644777903641040498375860460431674079632029780944102651665244024357869435474761110769172419652975236634697690276484351818956366577519201128586412702159780175459426799224982684445857136285929776459247361066900923486031382352250352694228242334687536269691122181941844313027603401397572463812915894879615258700978229914275550838091623190149839874548653293580468104116997185835398015552935870477121326575307612997171357837390052984649065329683190747257660890933744705725599306922544477841509429318355944763473834951267990317760223294796616185247358905808230452036519000369482413894748096377722974092764742443189558756200698872629805144454273605103534850295888773464886083241039258214621588999117187515020630551110193
 . . . . . . . . . . . . . . . . . . . . [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)
							caab6393d2a1ccd6dd07c7fb53a02c220e07b616
 . . . . . . . . . . . . . . . . [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 (19 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.flexsur.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)
							00f00075005ea773f9df56c0e7b536487dd049e0327a919a0c84a1121284187596817145580000016dbdc5cc25000004030046304402205e1f3516be51146b79bb77524f6eb3cb6a8fad89c8cf9db6007705691adac5be02201d1e9874ccb9f1694fcb4b5eb43b7739c7652aea642dac278767d597d6c001ba007700b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016dbdc5cc150000040300483046022100df4e51b753caff7ce4e39672d1757db8eb8fa7f544ece23abdaa1d1fc73ab0e2022100fe14671cf202d16bee1493b5319789890d4236c07990b07c236f4ca32c498b50
 . . . . [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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