www.ffnco.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:83:82:a1:dc:24:3e:fb:1d:ae:67:c6:fa:6a:f9:e3:8d:4e 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.ffnco.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:83:82:a1:dc:24:3e:fb:1d:ae:67:c6:fa:6a:f9:e3:8d:4e
Serial Number (int): 306087487926171760129335955908465558523214
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: e1:5d:cf:df:46:85:00:f6:7e:57:5d:c1:4b:23:20:68:66:57:aa:9d
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 03:59:49:c6:f5:22:a5:99:68:58:bd:52:8d:47:66:e7:97:27:b4:f4
Fingerprint (sha256): a9:90:2b:38:c1:de:7e:52:8b:2d:30:89:3a:fa:de:b3:52:0e:e4:62:2d:de:8c:75:e7:6a:42:77:b6:f6:50:b2

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.ffnco.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.ffnco.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.ffnco.com

Other certificates including the domain name ffnco.com

(limited to 100 certificates)

Certificate

The complete raw certificate details for www.ffnco.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 306087487926171760129335955908465558523214
 . . . . . . . . [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 2020-02-19 09:07:15 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-05-19 09:07:15 +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.ffnco.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 834466149663685438849468728876731704773607695962300290873567758104340542768335791600182303938235683145055010127868138489943015044008100978073581201300851267642513412668849007308766365441225152588599502201410974831305174937031489025229152494958876137291960560910811616622869344459517134849607967364208520176845141424970196875550568734921474374655327396857010593472854698887872200595219232826490862119824890888468705106922584057087911589098680718750321321954476503423868754017303363679934063805997560434460253713047447506315040071741651194544294816800442064999625850455621188858180884451081796592852229941704730469577007411405937392840936902635743435793128656417976329738478323215490676511418140139442807165349935420799631764376697543622006665663861057721705388789007052728509434381090713242043834723314061480974684046747710764844438875343867543593581683262031924735948011710573970154672381388718158297673805244320611920000166363150277110075272547905673232559735765161077373203919646342860635796007350460257238584320602890702035658697318919717468444195558221716346533290409586859472838676896297391360350835206397132730446925440497611327398964994481077391263642327736417687421043696019386091755910102972074063285696930504684828097737583
 . . . . . . . . . . . . . . . . . . . . [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)
							e15dcfdf468500f67e575dc14b2320686657aa9d
 . . . . . . . . . . . . . . . . [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.ffnco.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)
							00f1007700b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e000001705cea7ad100000403004830460221008fd6e7ad38904bed1ed61e8f52a016c08ada8bb78d61fdf13b80e305703594f50221009a4bcf498d51e6f15a9c42f360fc32e8d235180268040d405a3156f556aab4230076006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d913000001705cea7bed00000403004730450220482ed1c8f6f539ce5ea3748fa8728ea2e0eb027c0cd9676dcdaaa6235d69695602210093fe6271c39261783b3b1f4adf6ba3d703eb5199c60166cb9b03ee103f3f9646
 . . . . [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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