www.dodozo.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:20:08:34:af:e6:b3:20:d3:0a:65:12:7d:03:89:1a:aa:a3 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.dodozo.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:20:08:34:af:e6:b3:20:d3:0a:65:12:7d:03:89:1a:aa:a3
Serial Number (int): 272236800927853289425038048607659127122595
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 1c:e6:2a:a4:de:98:e5:68:5a:16:9b:35:75:4f:f6:ad:ce:39:4a:01
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 35:00:51:30:3d:c6:8d:dd:34:15:f0:14:30:04:10:ee:76:37:c2:1e
Fingerprint (sha256): ae:7f:3f:56:26:25:d0:d3:25:fb:18:15:79:f9:28:d7:c2:99:31:ac:7a:e3:d3:0e:51:a2:97:ea:18:5a:75:13

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.dodozo.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.dodozo.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.dodozo.com

Other certificates including the domain name dodozo.com

(limited to 100 certificates)
www.dodozo.com
dodozo.com
dodozo.com
www.dodozo.com
www.bytedollar.com
www.dodozo.com
www.dodozo.com
www.bjzzm.com

Certificate

The complete raw certificate details for www.dodozo.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 272236800927853289425038048607659127122595
 . . . . . . . . [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 2019-08-23 15:15:22 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-11-21 15:15:22 +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.dodozo.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 908794954799589437755004048020941417076372204393215701093895472094281828403767412189431895590012913601767670483183816792457236137833748078457173134562873299379742009458487816248262038076297987260732728203514718436604499641397513302874217554235606724162221869806650748638505126412332194502038771527689604488926205602224190617190089662280889908589458337036037860705818841668427640121357182898393601433348096918287459305435273630898589006256493671653028899547567679666786415556135312265195117866976422580456244039815512593808971063522692864605291747117558477404726002672325633559244314121697948400243470238949785326795607671758704837981398406408747411023332133660752110226880051090861222347179868149451830591939214883912453079100126214243059384286857353784944790807765870723740086392952123621729057138887922719023458657237944103987007192521776149149637762191363228075296748476275767284419534073802812572048800756562905654707276588663406850312469190982049704110013411354711690985866923700257048594831270522511952793095342569874335867558963948285139763812465398570229716975486519279155970052021618500944286198902781756028869974359759647727411238761033469453828736291426155616534587131099102117983838738788724353233580649782076366375631531
 . . . . . . . . . . . . . . . . . . . . [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)
							1ce62aa4de98e5685a169b35754ff6adce394a01
 . . . . . . . . . . . . . . . . [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 (18 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.dodozo.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)
							00f0007600e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f2893019dddf1dbfe0000016cbf42d100000004030047304502206361bca289b1e448d6fc3fce7452357af0654732609d32fc6f69e9123f57e52d022100b2fca1a1065cab658a33f7ea4b70e4a47776e7514b71a15fc74c193830fb66e900760063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d0000016cbf42ceed000004030047304502207e97c0c4f42849c0dbaecfaf0602b845e1e058aeb3ade5e1f72327e4f32015e7022100d848237766b3d089a960a16a9063c12b234468a1d16c69b26f57a0e97464fc48
 . . . . [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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