app.chalkdoc.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:92:a2:5b:46:82:9f:ea:4d:1d:ce:f8:6f:23:1c:d6:05:de 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=app.chalkdoc.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:92:a2:5b:46:82:9f:ea:4d:1d:ce:f8:6f:23:1c:d6:05:de
Serial Number (int): 311233892230186863398095770015652839294430
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 8c:73:d2:76:6a:c2:40:45:dd:23:0b:58:d7:37:1c:b4:a2:f9:21:30
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): d2:13:6a:c7:21:59:8a:33:fe:12:78:9c:38:15:69:00:88:50:d1:3a
Fingerprint (sha256): 9c:0b:00:09:51:0d:4a:55:4b:69:db:a5:c6:e9:08:47:61:e0:6f:ab:b2:de:e7:30:7c:f0:e8:74:4f:56:3e:c7

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 app.chalkdoc.com

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for app.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

app.chalkdoc.com
gametime.chalkdoc.com

Other certificates including the domain name chalkdoc.com

(limited to 100 certificates)
chalkdoc.com
chalkdoc.com
www.flat-ah.eu
wa-bloc.chalkdoc.com
wiserweb.com.br
page.cards
chalkdoc.com
www.loveoma.co
chalkdoc.com
www.tudonolugarbh.com.br
chalkdoc.com
gideonlabs.com
app.chalkdoc.com
secure.itc3.app
boardgames.richardbell.me.uk
habitboxplan.me
www.analizadorcfdis.app
ogh.am
chalkdoc.com
app.chalkdoc.com
chalkdoc.com
chalkdoc.com
app.chalkdoc.com
nastasteg.church
app.chalkdoc.com
*.chalkdoc.com
app.chalkdoc.com
app.chalkdoc.com
raviolstation.com
app.chalkdoc.com
chalkdoc.com
app.chalkdoc.com
chalkdoc.com
amitakumar.com
keok.tk
app.chalkdoc.com
app.chalkdoc.com
*.chalkdoc.com
demo-app.andaman7.com
chalkdoc.com
chalkdoc.com
chalkdoc.com
www.airesdigital.com.br
app.chalkdoc.com
daisymaebbq.com
chalkdoc.com
app.chalkdoc.com
app.chalkdoc.com
new-tourism.com
app.chalkdoc.com
generator.chalkdoc.com
hortocorporativo.com
*.chalkdoc.com
vrterytrceads.tk
www.thelcnfirm.com
app.chalkdoc.com
heyloo101.chalkdoc.com
app.chalkdoc.com
chalkdoc.com
soupmania.lu
chalkdoc.com
www.blast-engine.io
app.chalkdoc.com
app.chalkdoc.com
generator.chalkdoc.com
stationdesigner.app
www.jobwebway.com
nordiccoastalcleanup.com
pro.sprel.app
app.chalkdoc.com
app.ujama.co
app.chalkdoc.com

Certificate

The complete raw certificate details for app.chalkdoc.com in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAqKUYMsIBOWhSH6c0YSck
fQRLU/qnye0wMdm48J/nJVPq9+cwwS4zBjjCjK4HFBoOQSlsGeNIvnG5hLlPbrW/
PhxqqTjrmimjQm1xsIiQRjSp4iAvOdjLhU/F8pY+KNYEvs1e7IIdnaCea4AjECSg
euoSahDw2dlzHGx7cDxaPYK7YAzMoptFFruMjlQCEaM/W0olwAlZiE4FlEwkTlkL
U9sNKbVaQjFy4hfGJH5EwNUK8RVX8i522z7SzLVYW4UQDS9MwuEi6DUPYerSx9Je
bROSxIEbTOSlZsROg+SQQU23Mj56aV5jhpx1EcLApmP5aIZR4NlKOrMfzWTy8Sxq
sQIDAQAB
-----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 311233892230186863398095770015652839294430
 . . . . . . . . [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 2019-02-19 15:33:44 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-05-20 15:33:44 +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 'app.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 21289446378565196615867118128122663916050785589271738776284812537959896467450571793344727800235632790751636524587760858740377285425949145343587085710783998783244182698638027357595486027206135575103286856254642183428914636847084645379158667537345839241844657126366935846873580011729583055319164662708645077336519250798962417964629545834025481734085630512935273683408583597478410043905370540952369844200990732533329797179482476205074136708883977712003760608497345337413942951118742527621896911220516745881980155059315759027788462224391484342497335563414751884549858073527853467151082009609849787065236860290159208065713
 . . . . . . . . . . . . . . . . . . . . [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)
							8c73d2766ac24045dd230b58d7371cb4a2f92130
 . . . . . . . . . . . . . . . . [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 (43 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'app.chalkdoc.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'gametime.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 (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)
							00f0007600747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc5600000169069b24db000004030047304502205d77b8edb6fa13ac3a51cab3a6945d0d2dd49f7464ec2f70dbf3adf1e88796160221008000ff7189a10a27102d18dafe5a1a00c234f49606d05981a2a931232842efab00760063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d00000169069b2334000004030047304502210088c6515c71b27cdbd435874c08d132217738cf4541a3f5fd812dcdde09d4413002200cfb88a3eb5eaa9f84b026c2869c7e24abe81b89ccc42a8ced926488cd20c891
 . . . . [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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