www.ybbao.cn

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:d9:9a:c5:32:a3:ef:ac:e6:31:8b:85:ff:ed:2d:d0:fc:c9 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.ybbao.cn

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:d9:9a:c5:32:a3:ef:ac:e6:31:8b:85:ff:ed:2d:d0:fc:c9
Serial Number (int): 335383856438065241528949113770872700730569
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 16:fa:97:32:18:25:d9:4c:b6:c5:51:98:14:bb:1a:4f:06:a8:62:d4
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): ac:2a:a7:2f:87:80:68:95:3f:33:45:d7:e2:81:39:90:03:64:ad:94
Fingerprint (sha256): 2c:83:bb:9f:3a:3b:a7:6a:c5:aa:c7:3b:c1:4a:b1:aa:66:17:13:30:00:b0:0c:e8:35:dc:df:df:9c:2e:d5:84

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.ybbao.cn

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.ybbao.cn

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

8 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

www.ybbao.cn

Other certificates including the domain name ybbao.cn

(limited to 100 certificates)
ybbao.cn
ybbao.cn
ybbao.cn
ybbao.cn
www.ybbao.cn
ts.ybbao.cn
ybbao.cn
ybbao.cn
free.ybbao.cn
bbs.ybbao.cn
ybbao.cn
mail.316e.net
mail.me0.cn
free.ybbao.cn
ybbao.cn
ybbao.cn
ybbao.cn
ybbao.cn
ybbao.cn
ts.ybbao.cn
free.ybbao.cn
fee.ybbao.cn
ybbao.cn
mail.316e.net
free.ybbao.cn
ybbao.cn
free.ybbao.cn
ybbao.cn
free.ybbao.cn
free.ybbao.cn
free.ybbao.cn
mail.me0.cn

Certificate

The complete raw certificate details for www.ybbao.cn 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 335383856438065241528949113770872700730569
 . . . . . . . . [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 2016-04-16 17:02:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2016-07-15 17:02:00 +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.ybbao.cn'
 . . . . . . . . [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 818398014700862787343366724278006558726191183737310236424253690286905649610310544245864874362502204569584486299261123414953132676693072637437301066198038545021751187929906312321032005040147793788001320943563305495171561750681027511772974166790482756648164537618180834770532310209150528183485884366988542294600049749004110630314101852389338531601173232532681827708246390799979340049052209675033942790592463139746543805204941064436422226786822216085917316613504610601283013337011268103739274941599950606166194684598962430467919073974459283276175188972741940665549223212363615449224077001672885457756639549970029661746324371190955115858478427479811235664481244587239008054606260608538907593218774742634197008704247610904062418966302188862624603071446733112610485012645711219085750051651052188346508833077895648136505930168327923292262486700188100067516532380405671049834956643080779612018370447370622698153120270354621573412110270371620364955712271990160645917980233780985043195801747720705191426657722681291927021268805304929562904792278940700898412649145425812008539017997914153522084833141640662681353462574605706899984899907277445754056184921689107243945502842366861965031529909303470276387405780786687168031967112360440906232542017
 . . . . . . . . . . . . . . . . . . . . [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)
							16fa97321825d94cb6c5519814bb1a4f06a862d4
 . . . . . . . . . . . . . . . . [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 (100 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 (16 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.ybbao.cn'
 . . . . . . . . . . . . . . . . [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 (246 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 1.3.6.1.5.5.7.2.2 (unotice)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:12|false] UTF8String 'This Certificate may only be relied upon by Relying Parties and only in accordance with the Certificate Policy found at https://letsencrypt.org/repository/'
 . . . . [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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