www.hainanventures.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:81:2b:1c:06:dd:32:d5:c3:6e:a0:ae:52:b9:17:16:62:43 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.hainanventures.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:81:2b:1c:06:dd:32:d5:c3:6e:a0:ae:52:b9:17:16:62:43
Serial Number (int): 305290585455432206296510756035428324106819
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 1f:06:1e:bf:aa:b0:22:14:2b:e8:a0:c6:89:08:13:55:6b:f8:24:2a
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 61:50:77:94:d0:f4:b1:0c:67:6d:b9:81:2f:71:5d:c2:be:eb:e1:5e
Fingerprint (sha256): ed:d3:ec:1f:1e:51:2a:ef:54:00:70:87:4e:b1:4e:ee:49:15:7c:d7:88:11:0f:52:b9:29:e4:a2:c0:d6:47:51

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.hainanventures.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.hainanventures.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.hainanventures.com

Other certificates including the domain name hainanventures.com

(limited to 100 certificates)

Certificate

The complete raw certificate details for www.hainanventures.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 305290585455432206296510756035428324106819
 . . . . . . . . [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 2019-09-11 00:59:09 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-12-10 00:59:09 +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.hainanventures.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 718295444057252339868030796729095042755112180995764186669069112963710594310506924107143791568346611515879767289623176074444020241651060920558318966685286159002419591643685176764686256991980950198005626643948646397377439174520352848017464276032295115071843135480399384978674060913860221745536586125019451579462975150089194120075821210638865553402980034790422373027695053833987660872168465543849220166316752145867258992873362140915319739618489869952491496187589398984959906557565703752925933179059092888717467429268950491584270227589652418180501964113055530282833625116591049791662993487394172347480536882994161495753944931409621479091573487720585256973942461236848154380496701812657146257824300963328678107067919334876564396984005214171689237156831576458547335183541669259650578669577515737033480234245709325916603193616454623160183736363589064639550686519651296813481700697052155860709974581816154884578828779166887831135230305822878402093523232572532006270043189916078439851206621227225301062136556563367977972292301819725315216566958019381876278593149446446971955939963128162507619231818795601463595645368887250710842324683697609392439065540394235569822862849755822561346404080149307271843543571437595283487924755165565148111090903
 . . . . . . . . . . . . . . . . . . . . [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)
							1f061ebfaab022142be8a0c6890813556bf8242a
 . . . . . . . . . . . . . . . . [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.hainanventures.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)
							00f0007600747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc560000016d1e0bc07b000004030047304502206ae38d8a3972098c3072edcf06534848f5d89b1206887db2267534e92d753a5f022100c5e104d2483eeb3620c9c20a074498241aba6e601d942b667461d3cedec59a4500760063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d0000016d1e0bc06a0000040300473045022100924a2f8a71ceacff5c84d8bd5279265a1bec39eafdd3454f5488f2e021c0a79302201a54434e7afeba8d7049680cee41c9b3c632c36846ecd302bb699b2711a29d94
 . . . . [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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