dufy.org

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:36:1b:7b:cd:2d:11:42:a7:00:4a:aa:5d:41:e7:2f:ef:f9 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=dufy.org

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:36:1b:7b:cd:2d:11:42:a7:00:4a:aa:5d:41:e7:2f:ef:f9
Serial Number (int): 279748637578875787363906611737652607578105
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 3b:54:26:03:9d:59:6f:20:95:f5:02:20:37:18:24:ed:5d:27:82:e6
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 43:06:88:af:d3:06:6a:14:87:09:22:f7:1a:60:aa:43:7b:97:e3:ea
Fingerprint (sha256): fa:bf:5e:34:30:8e:bc:4e:b6:7f:4f:0c:f6:b3:16:41:9d:43:df:de:bc:2d:7a:5d:f3:d1:12:06:1b:73:29:93

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 dufy.org

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for dufy.org

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

dufy.org

Other certificates including the domain name dufy.org

(limited to 100 certificates)
musicguide.org
www.ocnb.com
www.dufy.org
dufy.org
www.workwelfareandfamilies.org
dufy.org
www.dufy.org
dufy.org

Certificate

The complete raw certificate details for dufy.org 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 279748637578875787363906611737652607578105
 . . . . . . . . [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 2019-07-27 22:51:57 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-10-25 22:51:57 +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 'dufy.org'
 . . . . . . . . [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 860933540268135948636008087449395913038819457909602768680600178610704412880604557881432651236061842511236199429038087182690977404820027082543077857478156420314419141122113748042315540880028373231049357737101432440287465360316800156807872132651988757150733941346379174627687607765525428155595639150768862446300154412813265875953595951364329798122117909274330901113105304859409814735144662625952952483196473189560897413906085862322993206598273879191008915234258148644648090762702697101118467690039132367200447896266657169374121079423308107379585117030374497983637217161303781446369131762808114487098007333678805210780398591930122813858084678068510551539330729764160515711421261492919776044790258544909557685925932602311349241281404688151662336908070238823279692005553232551229503457133104275857052149405792829893430838793716914325049896926186135481327745719334442440736790172638060944398506388017506561529900989610767848164272220276970694611204786868570372776947430038151594335306347127427498940933293748445883687532881028580743318363259782670009447238973363920789714159263906005725095412843286116994251670677367209934179811401434310201472347271334506375877939625723419155691696962259910187653861066262207921409864521846759004283940193
 . . . . . . . . . . . . . . . . . . . . [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)
							3b5426039d596f2095f50220371824ed5d2782e6
 . . . . . . . . . . . . . . . . [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 (12 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'dufy.org'
 . . . . . . . . . . . . . . . . [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)
							00f0007500e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f2893019dddf1dbfe0000016c35d9202800000403004630440220070a2760b4f5709633d658d7452bf0b0cae933ccdd82e92f3e51dc87105d6e31022016c9699f8f86c6b561cced6eb69211975ed8ea0298b662dfcd4a360b7dbe67d4007700293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016c35d920470000040300483046022100a2c5ddf0ad2b4f33ba8d0811836dffd4fa6692796f8b191b840fd220f2289d500221008f5835376207b4926d099e8082cd76e7bd0dc29297493935be59c5682c941c25
 . . . . [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)
		0005bb17a72de69eb8d8d02c5d43df83d725fb600c937223b7de0ac47cda048f3d2e3b4004ee8ce297425c801db4113f6e6bd0ca448d8e2fd548b9c2559280dadc301349be0f61d5a6078bacbaef5c3ac95f02eb5b0714d49c3ed8259a73a039889b888f69dfda20b948f625bf0c6bafff9dc3e1aaf9d7fcb0d03be7b33c144ee463120774729426091ed880a30417736d0bc26dfe720b59cacda9a8e1e8548d56279ed4c3861d19f47caeb6437b8f38a8eb74b3b8046933e5f4c731901c475f161c3cd519b1ceec22d313e8f1e6ac01a1371dedad5bb9d537ea23c1c48403060f95aa5d4a5d99b0f99c71c54a7157759cb050978502178663461679073b8f2218