flfco.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:4c:01:8e:b1:85:e1:7c:83:4e:c0:f9:ec:9d:1f:21:16:15 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): 03:4c:01:8e:b1:85:e1:7c:83:4e:c0:f9:ec:9d:1f:21:16:15
Serial Number (int): 287200387816015390139321341302193889809941
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 5f:80:84:76:47:42:14:72:cf:58:51:e1:50:27:da:6e:4c:53:ae:17
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): c6:7b:24:bf:87:25:ee:75:59:f9:32:83:f9:76:c3:42:9d:cc:ac:8c
Fingerprint (sha256): 80:16:1c:20:d6:e4:37:a4:07:b0:e2:68:1d:31:96:e9:d0:62:d6:e6:30:b3:1e:27:d9:aa:3d:f5:ba:03:4d:f9

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 287200387816015390139321341302193889809941
 . . . . . . . . [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 03:41:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-01-10 03:41:00 +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 762232812523350207291659075399964665156204622619140505749097832042657717042240715263959455425840248618921530628935880404619844426513424215264030400432273335562413866830525889513852634018307528822304005605192451385752278019993247105375303070820688059163096515178786889271310245029349749773860387071874536397666372760142483801675636666729158934495205924770266707595930438773993932098110641510162357543394605420134188056316216824332816863680112386824556327314113482719510670970395624088444634111435230373925109089922272551944067249539775376288499925915202192691710526345103166717963106922718929671395676353908471631602413068918775240024268766506233341422709268888183302738905062817977813023513064655585628317756477872922139001508236627078555459192520534226467147988696074265393357818730486062477120164058807201794205721802981592121854998714120714870105331580332840784188003578702090344197122655341318790242730531449541977383992046995400123397018078496109695738081126959845318418561717986735200265012491947986668336295554998092182971506165959709923906168823759183077352622968139839512899890099052964807190284303626486479130836561894264381565082052265207091262260464716930002144808378137318437128948177947169842680337430579454411354202651
 . . . . . . . . . . . . . . . . . . . . [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)
							5f80847647421472cf5851e15027da6e4c53ae17
 . . . . . . . . . . . . . . . . [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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef0076005ea773f9df56c0e7b536487dd049e0327a919a0c84a1121284187596817145580000016dbe451260000004030047304502210081d0bf70c8e59c3dbb0c7301e5ac21403ed21054e0c51f9d047260d963a471bb02207c8e9ac069b1df037f9f35446cf97f33eae5b4eca03989cb5ff7f5c9a0a03c42007500b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016dbe451253000004030046304402204b7266ea17603c5edee650188de668326734183c3910b28d6d02ba2a534d2aa5022065ed07fea4c193d1cfc2504727dc2ff47dc393efe8be8a11648919485a65d918
 . . . . [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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