www.42684.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:7f:72:df:9c:ac:6a:16:b3:69:a2:f7:46:87:0d:df:28:0d 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.42684.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:7f:72:df:9c:ac:6a:16:b3:69:a2:f7:46:87:0d:df:28:0d
Serial Number (int): 304705411445674833452567867751478610307085
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 47:93:ba:b9:f1:d8:64:ac:6e:6a:62:19:ea:88:55:40:e0:89:e7:c6
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 39:28:d4:76:67:b6:0b:d0:a3:50:8f:98:fa:f4:bd:6f:f8:e9:16:6f
Fingerprint (sha256): 67:8d:32:fc:40:5e:75:3b:dc:68:1f:41:8b:7b:e2:1d:b9:16:50:1a:3d:b5:98:4f:6b:73:55:c2:98:3d:a8:cb

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.42684.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.42684.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.42684.com

Other certificates including the domain name 42684.com

(limited to 100 certificates)
42684.com
42684.com
internet.creditcard
www.42684.com
42684.com
www.42684.com
www.42405.com
34804.com
42684.com
www.keech.boston
hwl.asia
www.42684.com
42684.com
www.42684.com
42684.com
www.42945.com

Certificate

The complete raw certificate details for www.42684.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 304705411445674833452567867751478610307085
 . . . . . . . . [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 2019-12-08 10:43:32 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-03-07 10:43:32 +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.42684.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 877968723461085174132225309857636254721376480492965366883333582845792787853265968094405320784292770910076306800507175461837834965925749944165645419252297069193124187680065369266766426083854446409115834183918033035663376753227174252754432455466862024097421957939808012720385771485576660582660376193696232909100623624998398638394216399496191794521398204040652903693020120412666178286957075678342188795289011857293387760745091559072721614135944691341256683640165112630184757811770967242116270830308187440125072476624476107960803638082919527712979163160443211637652548111148034157910930827786375911524067676082558512805532694299966066584457776390239655306194037583442697972846055850171494907766688240526264232049362007450724570859567417633298263749238276328321350569336319065393362492629196994753438767742586166682944628499700836895792952168968009902207082106415577354700573681680451586936561478909319969936465314171919055811162770176561474030092239961256296695073115955017569261115036661585991474026851117140399012125512639309877617917941766630857178358225517043712155822979573626372491339999963111957269686643642072835595573897183586615502510250726613407552887081097324554376344906011639771050816885520703746138614866610958762470983581
 . . . . . . . . . . . . . . . . . . . . [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)
							4793bab9f1d864ac6e6a6219ea885540e089e7c6
 . . . . . . . . . . . . . . . . [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.42684.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)
							00f10077005ea773f9df56c0e7b536487dd049e0327a919a0c84a1121284187596817145580000016ee55263420000040300483046022100aa1ba72090aaa69de31be513929ff1c4dc307d6c56504e5e232fc12aa6a1c2d1022100d7fb5a6cb46e62d916dce6d3c85db6d2373089dd5bd926b528279573fce5de48007600b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016ee5526337000004030047304502207a96e6deaa6a46fa2c174c3a1b2b5902079ad712cd53db1aec6ab0036e07ae5d0221009e559b2d8c58bcdeb389eb5744b71388992df9b810193fbe4ccfc91f81c25aad
 . . . . [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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