wa-bloc.chalkdoc.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:35:37:e8:0f:b2:10:93:d7:62:6c:91:5b:19:04:8b:32:91 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=wa-bloc.chalkdoc.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:35:37:e8:0f:b2:10:93:d7:62:6c:91:5b:19:04:8b:32:91
Serial Number (int): 279446135713073716428141212357781355180689
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: d5:7f:92:37:36:e8:8e:d6:b5:bc:08:e7:04:91:a8:d8:1a:20:e7:31
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 0e:0c:dd:d6:49:bf:37:8e:ba:e7:5d:44:48:ed:82:8b:fa:46:67:d4
Fingerprint (sha256): 0c:5d:ba:91:c1:f2:78:90:b0:7a:07:98:be:0e:27:e9:bc:5b:5f:90:58:4e:7f:15:30:61:38:34:85:36:b2:fc

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 wa-bloc.chalkdoc.com

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for wa-bloc.chalkdoc.com

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

wa-bloc.chalkdoc.com
www.wa-bloc.chalkdoc.com

Other certificates including the domain name chalkdoc.com

(limited to 100 certificates)

Certificate

The complete raw certificate details for wa-bloc.chalkdoc.com in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAu2UX7rdO9ukQ1F1+IhtK
eolc1hNV/x7bqczWs/WNuilZ945tB9bduypWc0oc6X0iYfi2G/w/JIOvqpvHRTgz
WJf2A5/mObefFcI4vumcHQGf57jyXEzx8ePUN9vqBY8i9Vys7Z48XPpt321xrNBD
v3FQxWv9RABP3GjsL/D+NxHl1LQ5Tfimtv0JG5h3EM8GlmkXou/zzlIn7v3Fdy9M
oR7uvKyrlFEMfma4YxEpkcSh1BtCTGCdPPpaciSTIfkVA9Tt1t28u72CTyD5RVz/
L6dqjNxddwup5ANo9AekaKQX6gOb8G5LtI10vG71EwIsZo5dv7NOUDZ8yUqTGk8F
TwIDAQAB
-----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 279446135713073716428141212357781355180689
 . . . . . . . . [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 2018-09-03 07:21:30 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2018-12-02 07:21:30 +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 'wa-bloc.chalkdoc.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 (2160 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 23656414084705933706494063878622501677910367167342986221513649237860881356581214279439999350939419084545778424466683892533035655909457625806234418715962847869368848951964380342519545357485246977533368101771831527448058837645539052273168973175199638995159396994740195793911256843888471212840832975615634245459422347454822608008199492652108164274586226039318277600730652694998995611942221156964233744809522158838722411779382220561913889613269131517812017097921175137152314594568290528151472637768821190702509161208770699091613627252528773703899442050760437171416825294707267663395764571381072956677155181299371154015567
 . . . . . . . . . . . . . . . . . . . . [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)
							d57f923736e88ed6b5bc08e70491a8d81a20e731
 . . . . . . . . . . . . . . . . [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 (50 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'wa-bloc.chalkdoc.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.wa-bloc.chalkdoc.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 (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 1.3.6.1.4.1.11129.2.4.2
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f0007600c1164ae0a772d2d4392dc80ac10770d4f0c49bde991a4840c1fa075164f63360000001659e85c18b000004030047304502202db07c7fe918743db5d3cabf2b6cfa90098194146e2b360a58a4060bf46e23ce022100c1bd44b856fa67d009091ec75c16507ede6ab21bb9bc4205e53703f38f56a6b1007600293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f478000001659e85c28c00000403004730450221009a5546f082bcd737fd1d1c2f5c88e9d7f63ff8071186eeecaeefc04a0410a8c9022000fbcc657189116797d857aaaf6728cb25ff40a50c25374152eb292d43b0b185
 . . . . [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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