69610.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:c7:3a:5d:48:1b:0f:d5:f4:e7:15:2c:11:6c:f9:3a:84:3d 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=69610.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:c7:3a:5d:48:1b:0f:d5:f4:e7:15:2c:11:6c:f9:3a:84:3d
Serial Number (int): 329130628382388415812353570578201447138365
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: b2:85:f8:a7:40:a1:93:b1:a2:d0:64:af:10:15:12:d6:df:57:d4:da
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): c2:16:90:63:f5:f9:e8:52:8a:c5:53:25:c0:32:02:28:cd:15:aa:91
Fingerprint (sha256): b1:39:dd:cd:59:7f:4c:d3:a8:7e:cb:44:1e:01:93:84:a5:51:87:83:8d:a9:7f:75:ae:7f:08:71:1d:8c:a1:1c

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 69610.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for 69610.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

69610.com

Other certificates including the domain name 69610.com

(limited to 100 certificates)
69610.com
741.me
www.69610.com
www.69610.com
69610.com
www.69610.com
69610.com
www.kangallar.com
acicatena.org
www.69610.com
dn.vc
69610.com
demonreddog.com
41924.com
69610.com
www.69610.com
69610.com
69610.com

Certificate

The complete raw certificate details for 69610.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 329130628382388415812353570578201447138365
 . . . . . . . . [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 2019-10-01 08:03:01 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-12-30 08:03:01 +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 '69610.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 920342542984389087022785020440738524665166242874794771202354001727157493416274266657059111016766574578156002380665670085461641769590759541698693302854028906437113127645456926974188226167993841397071732791309953280648794217482258211623358562353085839408908850274875314429221462462981720191978284016028651046363939965553463748313346567483957844206847175153098124900556987717815839359196102391293513853063363916370464730979636859701328005816671312577329368713628773085962681214488193438165162228923666464661207657945714028131191449439069197634994117798507769042363706474530601649800976792908466866307323678727639338608215648938331105566259915441214455494526313023425569389603563166012222660769640698012757107914917215595848474036012656131648793973885790064237793588537882314279642427230472185723636543865005704483490476319192986967049771720151779217363258104596059987433648452321260930667731738542682306139523594409815504337190938573147790050582564850144666326894039190359906512092512859250796959040174313770614956388960062324663449081505028018008121665175392125117953264768956818278554915551610831813091706422805408014792927810537066181473650020857948596711207827792904496002407140122540047466208344864986935392521172281292114620551339
 . . . . . . . . . . . . . . . . . . . . [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)
							b285f8a740a193b1a2d064af101512d6df57d4da
 . . . . . . . . . . . . . . . . [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 '69610.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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef007500e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f2893019dddf1dbfe0000016d868f013a000004030046304402202acd0f17ed6637ce400350ce8b0b35ade42590ea72a5ca979d871d18da20b1b702205569652b83f90a820035a16116c0710158e4b12ee9f51af34fbf4c085de4789b00760063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d0000016d868f016c00000403004730450221008155cda8c6039421b59e8e0ac3e1ffb3656101476937b0b4a26eb30f6cf9b750022010ec93970d6a62e5cfd9d910d38c3c26f132195f6c6b79e9d3ae78bb38afaca5
 . . . . [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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