zpeng.me

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:0f:b5:2f:40:7c:f9:39:33:5a:21:dc:46:c7:47:c6:da:ae was issued on by Let's Encrypt.

With 2 subject alternative names this certificate can be used to secure multiple fqdn's. 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=zpeng.me

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:0f:b5:2f:40:7c:f9:39:33:5a:21:dc:46:c7:47:c6:da:ae
Serial Number (int): 266681928912259875505912703076417296325294
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: ee:97:d5:c3:99:88:c2:e9:55:28:36:a3:a7:3c:3c:4a:f2:52:06:54
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 35:60:8e:fd:c2:33:f3:98:09:ef:2c:99:8f:d6:f0:4c:68:37:4b:16
Fingerprint (sha256): f1:c8:67:4a:fb:8d:1a:10:02:be:97:be:8b:a5:db:6c:ff:12:7e:15:e5:7f:ad:b8:1e:12:73:de:44:60:cf:1a

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 zpeng.me

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for zpeng.me

Public Key Algorithm

RSA

Key Size

2048

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.zpeng.me
zpeng.me

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Certificate

The complete raw certificate details for zpeng.me in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA3gAEaXW9B94ouQiHZNBz
wG1wM/F9wo7/mPOpmr3vzRREbhE92zLI3/VJf6bW6eRJxKNDEweSdUz0y7YbumGZ
zxUGMq/dZZknX2UKpmuoa4KZj+4pM65GBlG3CftGMBf+/LUHT/chqpgTDA7cDjTw
4uYKlFYYwg4KAHPvb6orik7Ll4ndHBPO0mgnoxzo256AAKaiQO1efvRU1m4YQQ+/
hrB45811ZyDyBGVYI3xBqKWUwK4ARcxFf9DLWcKZXk2zXl0KZ428ZREaH4LJs7z8
HUettXpeB60Wmy6sk1MuNROfUCKV5ZGS2c6h25gqj0DFdh1WY8P4jUk+EQ6E+fIb
bwIDAQAB
-----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 266681928912259875505912703076417296325294
 . . . . . . . . [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 2019-09-29 18:22:59 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-12-28 18:22:59 +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 'zpeng.me'
 . . . . . . . . [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 (2160 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 28024912200961145817058205561365362723093632539651524295594070030788515784976238319253205918118337144951690570794134827565792990600782721549092048818953100083711418972368449941340692170821232968285049259001770887114915626634732735345536285914831025041284265132589565473608746069556140997502548390462891433151321303424852513640103292889211262793999736646482794488507463686725480194030296841139738450948775093416548992286976746451717088924865540472300805904917719371594416953460299974636608939181603391135482887847295409408102242520597362535981436178202232042482123717087904497385933713115568184818090679164241748040559
 . . . . . . . . . . . . . . . . . . . . [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)
							ee97d5c39988c2e9552836a3a73c3c4af2520654
 . . . . . . . . . . . . . . . . [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 (26 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.zpeng.me'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'zpeng.me'
 . . . . . . . . . . . . . . . . [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)
							00f0007600747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc560000016d7e79e0160000040300473045022100c7f01dcf1e610a1278895a296569c7f963072f0628990efd4a5bc6c0ca0077cc02200e8292e1a866b552dac8918dd6724ad6a779ef13d506ad823b5d16879dd2bafa00760063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d0000016d7e79e0090000040300473045022100aac99087750c6ac01047f2a58c7219f91f2c43213bdfabcc68b44e6f839a33f902207ed05b8f82c364b9cf161c82f326e6846763c3c1941f5beefcdf70b0aa15bc8e
 . . . . [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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