69364.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:1d:d6:44:bd:43:44:88:e7:82:e3:db:31:c0:58:19:01:1e 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=69364.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:1d:d6:44:bd:43:44:88:e7:82:e3:db:31:c0:58:19:01:1e
Serial Number (int): 271489858141977220211871609750847604982046
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 12:cd:42:4a:8e:79:97:44:a3:87:47:a1:0c:f0:03:6b:6f:77:86:cd
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): bc:7e:84:ce:f8:57:db:e4:f4:31:aa:46:1d:7e:2d:10:14:7f:42:40
Fingerprint (sha256): 12:72:77:6a:ac:94:35:a7:82:24:f9:76:ab:97:a5:01:32:ef:0c:94:95:5f:3d:a9:7f:49:2c:cd:33:0c:0a:72

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 69364.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for 69364.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

69364.com

Other certificates including the domain name 69364.com

(limited to 100 certificates)
69364.com
www.69364.com
hoopladigital.me
www.70265.com
www.69364.com
69364.com
celeb-nude.org
69364.com
www.luoghidellacultura.com
69364.com
bgt.bible
69364.com
www.69364.com
www.69364.com
88954.com
www.69364.com
www.69364.com

Certificate

The complete raw certificate details for 69364.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 271489858141977220211871609750847604982046
 . . . . . . . . [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 2019-07-28 07:04:10 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-10-26 07:04:10 +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 '69364.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 854746175800562854386799911401590352258025671375952398194782354675373523639703022725170111052637263234642693798159148045358449979559060998672652770356410502245651032651851333121341853368661452011270306316606131287242376863767410664164529623669924504987622044193495522127672209279986576066055039294241529094765858144423919580755196903646349887557398638086995724554307287798297469232282653948488502374397380725545040468136305649561769128418060467525788314735839658537574395753479879887567946385102428026111672278082223868410818029996232369762494485298310848682387417463318651474726978012222227093872734467838227916610292681689774325521994083373912751822793534768582385023967763036316902544573621375089813347867567235097412834799667668789262626583497943946503069708011679395605475239613701420904510316190838955244083908522708079101192293147630110091855734939280023808220543470626001273623027561257429311199680731826849487005651233803431840766170774721081717870143859485140692979599431505482149845936962028154351300858875684745503153184259417236467077673551862917058910763548804354715965762201311026357091248580621451903831682900656315622934310664636405100240723949208117430777571698908412099882934526128277962370546485913899204347085911
 . . . . . . . . . . . . . . . . . . . . [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)
							12cd424a8e799744a38747a10cf0036b6f7786cd
 . . . . . . . . . . . . . . . . [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 (13 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '69364.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 (243 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (240 bytes)
							00ee00750063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d0000016c379bc1c40000040300463044022047c14d06a3741b463db6ab58be16e25009cd38ef6fc4d3666a8e83264a634d7f02207c5f1e9ee876a25ee55ecef1a9626c6771564cb26c1d0317f1e0176a12fc480e007500747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc560000016c379bc39a000004030046304402201aaeca7629fa661df1a74e12bd8e044b111cdd75ca8cfd4fbdef26e0e662f27e02201ac80a10402c2ee32f33a577ab404af9627b3a1752ea06f72fc98358c48227c6
 . . . . [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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