www.ffnco.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:0a:cc:55:0b:4b:12:26:f2:33:11:10:24:1e:73:f0:ea:a5 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): 03:0a:cc:55:0b:4b:12:26:f2:33:11:10:24:1e:73:f0:ea:a5
Serial Number (int): 265011285549917458514777078189106901609125
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 90:cf:85:5b:2b:ee:69:e4:da:82:95:b6:29:e1:dc:4c:87:ff:06:c8
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): fb:cf:90:b7:36:24:43:18:02:5d:82:89:91:9c:af:38:f9:e9:a1:11
Fingerprint (sha256): ab:fb:d5:03:6b:28:2e:8a:7c:93:69:c5:a3:89:e2:17:a0:af:76:4d:4f:ae:3c:e4:23:6f:52:ab:41:74:5c:27

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 265011285549917458514777078189106901609125
 . . . . . . . . [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 2019-12-12 05:06:29 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-03-11 05:06:29 +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 906415937449852386738488974843991214241557937058397394958576275472632628064322199376927598730690045099436220771652306506560551418167117752831161041181859315514357562803486240815957147030789217773748295917425058694758595011789120591654693015170586622341149114164669658995589892626927928566772376293087403524085520873017963220219009771196097836553100227094098060013546385517654937209218964230238689142520179198561369463256489604185898352499822272297844337149211146261584931552209875688283200436955613811850029359284043460806540407595898566204051791374735933253793555296787084902527517934647307893538199001548615743256760755810084020226256235514473797658843741446086715324030488582370321462711091021650399175262796013376792968397662983953708934917697618949654604309052815780890152490603449658774965058213294688140090515735227929614600566738663950153114683962154558068595021120623838963746505956218201263176582947516823261533642113159269742134126451688758456905868146354709474187055749198306010783805616774575346003579624325644677083781954637903417272136175438462517274075978169640616785971174494652384777582266064559838573741686219344326780132720506052679674954286670144350071529807012063177642322540025392946560127073662089151868851831
 . . . . . . . . . . . . . . . . . . . . [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)
							90cf855b2bee69e4da8295b629e1dc4c87ff06c8
 . . . . . . . . . . . . . . . . [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)
							00f0007700f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb2730000016ef8b741640000040300483046022100e5c6c43810eb1449b820732a8c550dcdc8a4c85e5a0b503e500298716b3aabfd022100b703019729781a51b352c910d7b6d657d1bb3b531b9454199d106e6bd5800693007500b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016ef8b741580000040300463044022028aa52b37e43e7576cd4931d361794f0558a4e88a0fc475e98513061c961bcd0022019b249c6a427474cde7915349373adfe637c8b89a4bcb30fe84b81903c196f92
 . . . . [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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