flexlast.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:b8:dd:5a:9a:c4:48:f2:29:9c:50:c6:b5:e3:c2:21:8c:00 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:b8:dd:5a:9a:c4:48:f2:29:9c:50:c6:b5:e3:c2:21:8c:00
Serial Number (int): 324243043141561526251940012834167084649472
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: f0:53:ee:10:3c:51:5c:41:35:c6:ba:07:8f:dc:f4:29:78:18:c0:65
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 17:68:a4:6e:b8:d9:db:6b:2d:e4:1e:72:a9:62:2a:66:4a:07:f7:12
Fingerprint (sha256): cd:ee:5d:05:e9:c7:ae:65:c5:07:6b:eb:e6:fe:b4:e7:c3:ed:8d:c4:f9:22:60:7c:49:ce:07:d9:1e:e1:2c:76

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 324243043141561526251940012834167084649472
 . . . . . . . . [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 2019-12-11 14:41:25 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-03-10 14:41:25 +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 '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 867045024994772157108836415879931589491779530226201945140275367717536820488836591504223288067016029854485946073708351451878186450667158285641140580465829277472998766260872957150800389350605590081060521196438619289653202192203390868769895856674319522595289369948133810086149089076634933737721491102461974085998698856335995108092913032420702349670140077866099116536678245527819485622475588961716773589005034741872923401406836651560091414711877102629572942196796645901134543729842990032949904408876571796809223779113419908840807695215163151927260688898034316545046427760730027812810515515180233156096713169550642952038197154300347707096428466977693370566373008262899736161614802676783838065606941010486401036956893033912641843190418069088348142152852806135688200379496822183589408749496279664945855792350167152268356341202321338380801921351026999993157552745957187690994552053503063002031308665326883478024523008943074599862846058126656670363018866549573704134580093444342868820172852105432271306485020649278312995048701668511138661607380651357389344747952489635645474910073788860824374256632498771359817311474425617773531418199995755356338390605997291343959832755874941057009466931213860290061756438880572706322767311236508197257636357
 . . . . . . . . . . . . . . . . . . . . [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)
							f053ee103c515c4135c6ba078fdcf4297818c065
 . . . . . . . . . . . . . . . . [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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f100770007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c0000016ef59f43b10000040300483046022100ea89549164e3388f138120699ddeaa6256a184fce87db621af9fa76e807242a5022100a2c05b3301bc5d24bff1cb34fe41b4c0ed64c204f3382ac3e07620bebb004cb50076006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d9130000016ef59f44660000040300473045022100b190f2bda569e7b35f329538a8caf43d7e9d7cef283df66fa08ab837b45fbd3c02201391bbaa5bb2c95b2e0c621ad562aa104b219431a463779a7c115cb11162f17b
 . . . . [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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