www.flfco.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:9b:46:cf:ba:cd:b1:d0:29:0d:73:25:5c:08:ad:44:62:ed 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.flfco.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:9b:46:cf:ba:cd:b1:d0:29:0d:73:25:5c:08:ad:44:62:ed
Serial Number (int): 314174749222005852688926011557074220376813
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 2b:7b:85:38:2b:b4:b7:3e:96:cd:9c:99:0a:fe:a3:f7:02:76:a5:e8
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): b6:6e:d7:8f:4e:77:23:55:92:08:6a:1d:a7:e7:4b:d0:fa:2b:85:ab
Fingerprint (sha256): 12:27:ff:33:dd:2b:32:4d:1e:97:b3:0a:2f:78:40:01:25:f8:e1:10:02:d5:c0:2d:ee:51:7a:6f:fb:28:07:51

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.flfco.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.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

www.flfco.com

Other certificates including the domain name flfco.com

(limited to 100 certificates)

Certificate

The complete raw certificate details for www.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 314174749222005852688926011557074220376813
 . . . . . . . . [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 08:43:35 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-04-01 08:43:35 +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.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 978608923022628560607661711532809853463718903991695352695777848051187603761637317818666659381749877356475782449896498001923058124058695316050645237756494070403412856817359159023741821300108255671601494136994105751568644032420205744747581536383621591845684882934654007339430794581057777293825727799760254221725810161364594512779313334192227686756482660122195779698259100466550582445208879187883052160998957399923521820885166908683983376967666661347322320761658841508163102297982485511652959100357633111740789930685551378496165046539590862282977354614837051757103534217122410543689324285541121991704022081882512742051345191603623004775591707859035218709037058080998736159777920502089473603848991700501471257253030469264079939583640006949761280056235043961998378202163006249583831940336075582198107685832481386195598134904051460335220315800752902818372091241037900074890532215143444709639234296080054303192768451065044036638165306907053698253645946751141052912518208617543023697606928236405794086796522585591624313542367921315499713368405015866461186166003143406097353152629348830388932927162958237976897251739706894225069577019225015854332641815862844473863991266956940020942150645725619129197043250093972251770030949524346753852344659
 . . . . . . . . . . . . . . . . . . . . [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)
							2b7b85382bb4b73e96cd9c990afea3f70276a5e8
 . . . . . . . . . . . . . . . . [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 (17 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef007600f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb2730000016f65a38ec0000004030047304502206a78af1e90e2d43debf76b070e3ccb2631dc12d267864475e1cac8fd05e403640221009b0973427308bb3eab9e1383749b4e8c2230e305e9c23c062a354c4b42d4d477007500b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016f65a38eae000004030046304402200f783bf713fd05e718b6d6726601f5892c29496471701bf49f5e468bfb0b3ab502203042f5215171880b2639c648454516bfaa184abb6443f103cb61e7b14c39fd6c
 . . . . [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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