DV SSL/TLS Certificate for barcamp.asia

Certificate is witin its validity period

Issued by Let's Encrypt (R11)

About the barcamp.asia DV SSL/TLS Certificate

This certificate with serial number 05:e4:68:b3:e1:0b:01:54:05:7e:c0:29:09:d4:f3:c9:99:cf for barcamp.asia was issued on by Let's Encrypt.

With 2 subject alternative names, this certificate can be used to secure multiple FQDNs. This DV SSL/TLS Certificate is currently within its validity period but we haven't checked the revocation status of this certificate, you can do this simply on revocationcheck.com. We have found some issues with the compliance of this certificate, they are be shown below. We hope this DV SSL/TLS Certificate review for barcamp.asia provides you with the detailed information you were looking for.


We have identified some issues with this certificate:
  • Subscriber certificates use of Subject Key Identifier is NOT RECOMMENDED (BRs v2: 7.1.2.7.6)
  • Subscriber Certificate: commonName is NOT RECOMMENDED. (BRs: 7.1.2.7.1)

Let's Encrypt

Organization: Let's Encrypt
Country: US

This X.509 certificate will expire on

Certificate Details

Serial Number (hex): 05:e4:68:b3:e1:0b:01:54:05:7e:c0:29:09:d4:f3:c9:99:cf
Serial Number (int): 513284983013888593557707801752773656680911
Serial Number Length: 139 bits, 18 octets

Subject Key Identifier: 08:ff:c6:a9:56:6b:5a:c8:8e:4d:17:69:18:f9:11:44:e1:f5:a3:32
Authority Key Identifier: c5:cf:46:a4:ea:f4:c3:c0:7a:6c:95:c4:2d:b0:5e:92:2f:26:e3:b9

Fingerprint (SHA-1): db:60:18:be:b4:74:32:a9:b6:67:4d:5b:8b:cc:05:67:46:3a:29:b3
Fingerprint (SHA-256): 7a:68:9d:2f:dc:da:4e:82:11:e2:a3:52:f1:d2:89:9d:46:4c:62:6b:fd:7b:2b:ba:85:9e:89:8e:f9:5a:ef:a6

Issuing Certificate URL: http://r11.i.lencr.org/

Revocation Information

CRL Distribution Point: http://r11.c.lencr.org/80.crl

Check the revocation status for certificate barcamp.asia
2
DNS Names
0
Email Addresses
0
IP Addresses

Advanced Certificate Properties

Technical details of the X.509 certificate for barcamp.asia

Public Key Algorithm
RSA
Key Size
4096
Signature Algorithm
SHA256 with RSA
Key Usage
Key Encipherment
Digital Signature
Extended Key Usages
Server Authentication
Client Authentication
Extensions
10
CA Certificate
This is not a CA certificate

Subject Alternative Names

X.509 Certificate

The complete raw X.509 certificate details for barcamp.asia 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 513284983013888593557707801752773656680911
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11
 . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'R11'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-05-30 18:18:59 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-08-28 18:18:58 +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
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'barcamp.asia'
 . . . . . . . . [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
 . . . . . . . . . . . . . . . . [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 783926556456836341809674248917726433407179846844207170851690825237077220956884308209789139721349336939237804688706700750847336998834088948172418434359768546908448675902409064044565463990987478416969743128711505668549570013079306115141345666829673298450068706415404213240489688434490663181474570592948038730547867205545572840527805613254222673198484531966141561909996849427108837307217316787357714416417994621433694441801040494144986327385903114040989040223979249820147676672343306104629892745027545106718636574536732575999408896977901340506145154227991797653753629745211311054861204784028809172905230818265937735424938822172251646912684483462788673623125714707671571698727238586254748470388917196463292857121259345194799438044746405581617589084800987749749347501587270472880061418423326260003453622061362186406774645393078520618579540766176905340863733184833624386705892269004503726118322994425605058420533211856239156766457615375116315976946590295617084743690354560620774293981106779314900706841258898687398033862679718816247249924059748581149358709197687219755680473302879651376919897033414895789009312642035707526047928154102323540939059419188959453525491635160881604558739345651430983769205774791944173492055710577257185873877197
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.2
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.19
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (20 bytes)
							08ffc6a9566b5ac88e4d176918f91144e1f5a332
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.35
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (24 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|false] OtherName c5cf46a4eaf4c3c07a6c95c42db05e922f26e3b9
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.1.1
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (39 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.2
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://r11.i.lencr.org/'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.17
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (34 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'barcamp.asia'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.barcamp.asia'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.32
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (12 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
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.31
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (39 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://r11.c.lencr.org/80.crl'
 . . . . . . . . . . . . . . . . [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)
							00ef007500a442c506496061548f0fd4ea9cfb7a2d26454d87a97f2fdf4559f6274f3a84540000019722a0c00b000004030046304402204d37c3df9100d3151948e3f0defee4345103babbc980cbf4568876280de464c502207a644fa608b48e55e57c3cb03f49efc79e47778170da36f072654e89a19e4f080076000de1f2302bd30dc140621209ea552efc47747cb1d7e930ef0e421eb47e4eaa340000019722a0c00b00000403004730450220377348107ad4f3ee3f3c511264935541bcb046a02aab06dcc94f6ee0da024c4e022100e87b17e6671be8088c23818855c7b2d7c5e975b6d26fb8dee8d14b714aa61933
 . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11
 . . . . . . . . [c:0|t:5|false] NULL []
 . . . . [c:0|t:3|false] BIT STRING (2048 bits)
		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