flfco.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:d2:3a:77:52:a9:02:b2:79:39:6a:25:4e:2b:35:a9:77:bf 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=flfco.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:d2:3a:77:52:a9:02:b2:79:39:6a:25:4e:2b:35:a9:77:bf
Serial Number (int): 332873869632307489727925221362860993116095
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: d5:2c:1b:75:b1:b5:db:e0:3b:31:ff:89:19:55:d7:22:29:c5:da:d9
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 98:45:f4:b4:6a:2f:8f:9e:5c:89:cc:10:cd:29:a0:2e:74:11:3b:65
Fingerprint (sha256): e3:88:3e:5b:04:84:e6:88:bb:5b:1f:a7:64:ef:58:a2:12:4e:f5:b0:77:83:27:a1:6f:b0:08:b1:e0:82:4d:52

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 flfco.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for flfco.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

flfco.com

Other certificates including the domain name flfco.com

(limited to 100 certificates)

Certificate

The complete raw certificate details for flfco.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 332873869632307489727925221362860993116095
 . . . . . . . . [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 2020-01-02 07:30:20 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-04-01 07:30:20 +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 'flfco.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 828509855060537041835152331163064088916453200957127261323198212227895099118340044486161722217314035050338968455722425281873359071262639730090083623296736602847289376389727980895564184327266797634821872118892421195923361254625977617220459839267720216525491553069594537594877838501342513398218079824740529465946800612493185989487271455447374155699124876980531492950703190230747351473679391371284815183914542272301375178593635098422059033591548242657613723824313573011713902095013952686988420590425058565846163912593157517836653864971811360272719672831303714683164135471969746489701394271802609269615189640628251704793887437426650287638208484838132311938766744741486960967275211102449256373339739840189396383787469632327223225653510366913665378343314288363615968382434443144602582607394191299290870698252182157405363334299782374764073928760373337082679599358935105592657934843911965293633766118018726823904587024237259621967292578157573191512213831269028168045720647232817549767513694895104663284912618610012885239241843455917356821691581726084167195426376986036196162706360420798686470555848687773407852985707873929857703036027102150446899448532612918137903530591063713580694166269713150141558429658240062315651528902902887225380456639
 . . . . . . . . . . . . . . . . . . . . [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)
							d52c1b75b1b5dbe03b31ff891955d72229c5dad9
 . . . . . . . . . . . . . . . . [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 (13 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'flfco.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)
							00f0007500f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb2730000016f65607e3e000004030046304402202c083111694330a2920a59c29ab87c846ffe639ecf39166e4f92a931564dfb99022041027ead484a1842ae6d87ea0b359e4b9282f130e4f563a62c403616d56236a3007700b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016f65607e300000040300483046022100b27a65b8ed1adfb21db65fa4d5edfe01c6a4d64dc39eddc8a1e6fd96698e69fc022100e5477efcdd8820675fffb805233e50855f8c48c5830890bb15922ae8b98b5be6
 . . . . [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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