www.ofyco.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:78:8e:8f:78:7b:70:7e:73:dd:1e:13:fd:43:d8:8b:ca:17 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.ofyco.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:78:8e:8f:78:7b:70:7e:73:dd:1e:13:fd:43:d8:8b:ca:17
Serial Number (int): 389472523075074862356763041178739513477655
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: ef:fa:cf:0e:74:7d:40:b2:ca:12:79:35:03:f9:52:6b:b0:68:b5:26
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 90:d4:9b:1f:10:14:74:c8:58:b2:bc:60:6c:b6:46:a3:39:64:95:5e
Fingerprint (sha256): 83:a0:bc:ad:92:3f:d0:e1:31:3f:eb:1e:7c:87:10:cb:d6:19:a7:e1:1a:75:12:46:69:de:4b:0d:dd:f1:a4:c9

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.ofyco.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.ofyco.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.ofyco.com

Other certificates including the domain name ofyco.com

(limited to 100 certificates)

Certificate

The complete raw certificate details for www.ofyco.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 389472523075074862356763041178739513477655
 . . . . . . . . [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 2019-10-13 09:25:45 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-01-11 09:25:45 +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.ofyco.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 721389306974553548227054500593296441946445217030431514813123600944503773043840335518441122996445514595188599521391625472050670749370273106124860554675418943849994123280178893873642109428525594461108406023623693958583883404331959801800815303322423916872944307643411461090564088085253753744698501904223508859680314682909012351323347113399619850852966398803993097119724003949665484596671559124307616681562492817669540870749326000991230514189463681809185715510881602632244021720833579643004839113376908153118605844340969128416435209449633547981027738541990178758232305672817818769504272522420706070418928953863676280931397651615127597175257432121372663533594867587923655220937687685310486238794903610581342086390979945246666195722273632450956388615933200111303468889638639999859267658240432960254187521402764270516419274980977779866197378347336216579378604097017100587440038128336193981478858411384662756191361689376172198832078162448702613831250585627511760803625241481427025535996609800064837710485454710689648122607990862355449346048626515459698390587254492080326051567799740629124067193823073993862613934682927996890506288672614587301995659531725570668186557931850837821249418044299109712586252435935167221683021248629822765731872299
 . . . . . . . . . . . . . . . . . . . . [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)
							effacf0e747d40b2ca12793503f9526bb068b526
 . . . . . . . . . . . . . . . . [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.ofyco.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)
							00f10077005ea773f9df56c0e7b536487dd049e0327a919a0c84a1121284187596817145580000016dc4a70c6c0000040300483046022100b4fea86f11f8809f1c14f02bbafba3b09d108082af5620c0c2906782e50063d8022100cf821d74be3e721aa8be2586c1f40a19dd9009b5c0b255ab80a2007a002761d4007600293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016dc4a70c690000040300473045022100d0cdb6320f96049f7b81650781419f38a951205d5cfadddda5cebe686bed27af022032108042858cdc4b57ef0ba2938c4246323677f3ca70784f594698982cf998c3
 . . . . [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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