app.chalkdoc.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:a0:54:69:54:df:25:53:0c:6f:11:d2:4d:5a:8e:4c:37:e3 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:a0:54:69:54:df:25:53:0c:6f:11:d2:4d:5a:8e:4c:37:e3
Serial Number (int): 315894238566848811476581502429065330309091
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 49:2a:6f:fc:60:8a:1a:d3:11:23:c9:53:f9:15:fe:04:d1:a2:d3:af
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 14:92:08:68:71:25:0b:af:8d:72:d8:e3:c8:3d:9d:a5:25:a5:04:ae
Fingerprint (sha256): 75:06:3e:bf:63:b4:03:b3:df:79:c3:3b:82:36:68:5a:22:ee:fa:56:68:20:60:59:9d:20:15:96:ce:3e:e2:e5

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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA7Ln0yyVWNhMxFaW/8bjf
vfiIxmEdKi0T4/41TFz8AUL5ywQ0KIg+7Nn9RlWXxWqxdvUS+THrSpYtmpDjelUV
CS9ob5TVPJakJVwTwNSZuPaitq3DiNkXnG1H3jKEXS2GmbXbUOUZEdzggUjufO2c
PE3TKuMZDUXEPLcq8zh/QZK0lKqD0Ib+Ne2EUkf6ic0DmC6rTl0iAvJNMrpGCizK
5ntDHM0GYAY9J43kTgtn2ESpUZTI1LIxiepXKNtmRE+QLAfy5Y0E4JE6Da6hgdk3
rTNxif9IcO34RNV7Wgtxc7UYXbGspul0YGlvU7fAaTxHBWUrB78LM2uw45hZFciy
xQIDAQAB
-----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 315894238566848811476581502429065330309091
 . . . . . . . . [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 2020-01-03 19:31:54 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-04-02 19:31:54 +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 29883938404066172261537657538245706990463619599232711358894563171209101296593586349046160679509613416649781066496664674067527259962507294450388101144348124763943437618221832424660505076947106057104673268712886611371968770112902948096992160853273482983505145334502420390395371225081468703762161009686763194777071027467763256677469948769867166974495096215117476157103953028718986859014753834110873586749019323859050698890015618363328330923383300357374448878018502308794718588351281570358719710459466486715371540389864214152046189062239901627938314490213115686149553178484015907766095942268081739790349114007934235882181
 . . . . . . . . . . . . . . . . . . . . [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)
							492a6ffc608a1ad31123c953f915fe04d1a2d3af
 . . . . . . . . . . . . . . . . [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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef0075006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d9130000016f6d1b7abb000004030046304402203011e425cecf772d392b1c7eadf0cdd6f8924660f1c75a9a62459ebb388b40eb02204b8b01738e7f62062cdba1e64a992cc375bf0a3c33d88cc656c2cecf7a06025000760007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c0000016f6d1b7ab2000004030047304502210088c153e2e08b37b79e751068fdf0879a091b6f084ff19725740c9a59308e053c022035046c9b7fbd3389daf17818d5685420383cc14c4a66ca844f1ec8cc8b3f5ad6
 . . . . [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)
		00815d5f52ef106baa416278688da7b8e57a832d7835ea35eb9cef139c98927bf5ddf444c8ebad3be42d95b31241d086c755f7da728e0dbf716e171de707541a337cbfec113594848ab6ad3ec1a8b5331e6b38b3ad7997130b9b5a969c7d0443e1154832f06280722e06849d3880a8376c973126a6bd8be590b18e6e33c002d0059b1ff97564c93bdbcccfb32fc4b856bffc88fb2119de1900e413f6e7e86ded3b457448a10d8d7b77386ca4fff6ee67c60cd0a2fe86566d31e6946ee23406000333f9e5da047d1e13d7347083688e253929ab783e686b9447f7dab26f30e9cc65420a6c07e77f177451a65dabe4ac1293daaf7296caa089856200b42893f7fbf5