www.ffnco.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:23:e8:07:2d:06:25:8f:0d:f0:1f:9a:31:03:3d:dd:43:ca 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): 03:23:e8:07:2d:06:25:8f:0d:f0:1f:9a:31:03:3d:dd:43:ca
Serial Number (int): 273555158791809121414383502523318851683274
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 72:04:d1:dd:55:28:ef:0c:09:f0:7f:3c:53:96:b8:cd:af:03:c6:63
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): ad:ef:4b:58:cc:82:e4:59:3e:54:a6:07:9b:dd:f0:15:9f:36:4a:58
Fingerprint (sha256): 1f:e9:e3:90:6b:03:3c:bf:ba:fd:fe:d0:b6:4d:90:4a:cc:00:28:c1:f1:d0:dd:ca:6b:47:02:db:c4:29:26:72

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 273555158791809121414383502523318851683274
 . . . . . . . . [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 12:02:08 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-01-10 12:02:08 +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 763838797665310733492364668901280044874517793487394416913130690374610958499164469679534029906894154490875206303525157428358585807185363091188322091693242459635151759973538553763221006902387259453815138987187893609239845062093121068022014796556273102119936384063370144956411975584738451785111067780481273522098987054071947858883420203800466914766254109576242104765950108421573728239312659210496021499044888820804257733889899754111068655050558150978934493221618214530254354474577640884333849282962935513114664824895052936593072635470786350345160127916092368563997744318009813707947035024274455347434221329429850045582452642970155158089560469605632848817077306369380454018753338550736529858074668183148831589322579246904880319064130423448024462157647292436768694420029865789000057909865247665690306684142886071334358009135797991648160132875945361907447429751766288971716075064081615448583656756162712394899303936766920470271745122943775210898872845916243649680060114509422660081215446680087413905322688695791933327986049168650533712332850107902692227197942377170759751451210401526068936342292092258595058942305551289253060061630845358434980662997116763915146354027885429712093400130283876129872648858288757364696536074109347491110113197
 . . . . . . . . . . . . . . . . . . . . [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)
							7204d1dd5528ef0c09f07f3c5396b8cdaf03c663
 . . . . . . . . . . . . . . . . [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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f0007600293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016dc00fe0040000040300473045022100c01b7d9f3c89246b9e3bcedbbba0441484e5398efb6bc33f580440bb619cafbe0220132a875d7fc0c8bd7dd6330e2a1f055353c3edc01c8d0149cb22477d2b25b18e0076005ea773f9df56c0e7b536487dd049e0327a919a0c84a1121284187596817145580000016dc00fe20a0000040300473045022100ee4118fec2a051536b0e4ae068bb077ae1aae00459afbf235e1e3e840bcb425f022077b84cb69c2da547275268e931bfcd70bc65f99b2772f0c7b9ec413dd6b431d0
 . . . . [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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