www.demetra.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:dd:fd:ac:ca:3d:69:94:fe:73:30:7c:d6:56:b1:16:63:60 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=www.demetra.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:dd:fd:ac:ca:3d:69:94:fe:73:30:7c:d6:56:b1:16:63:60
Serial Number (int): 423988738676473972617764207232501117510496
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 7e:ba:1d:68:d0:05:a6:f5:52:01:82:22:be:17:6d:52:a0:e1:7a:f7
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 90:3f:37:21:3b:4e:0e:f3:83:38:29:04:2b:3f:96:2c:f1:54:89:a1
Fingerprint (sha256): 87:d0:06:66:f5:03:7b:9e:94:ac:21:82:1c:9d:26:34:a9:38:c3:02:b9:28:52:a4:a9:00:69:94:ef:97:0a:52

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.demetra.com

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.demetra.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

demetra.com
www.demetra.com

Other certificates including the domain name demetra.com

(limited to 100 certificates)
demetra.com
demetra.com
www.demetra.com
www.demetra.com
mail.demetra.com
mail.demetra.com
mail.demetra.com
mail.demetra.com
www.demetra.com
www.demetra.com
mail.demetra.com
demetra.com
www.demetra.com
www.demetra.com
www.demetra.com
demetra.com
www.demetra.com
mail.demetra.com
demetra.com
demetra.com
demetra.com
mail.demetra.com
mail.demetra.com
demetra.com
demetra.com
mail.demetra.com
www.demetra.com
demetra.com
mail.demetra.com
www.demetra.com
demetra.com
mail.demetra.com
www.demetra.com

Certificate

The complete raw certificate details for www.demetra.com in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA9ZRrLImxRG5DNPHJGxbO
h4eefCpoZMUCTQAp8go/0Q//lJOFKsZpzEc4Rhe4GBxRPzAP+38KNeMil2+BZwj0
BGycju9jJaGi0JIOo+S+jId2mFFSfuhxaGl9FD8L3lChz1HJejG5MuUnSdsPS4S4
Yllm8ZxKF2f1YAJOxH+o0liaKoAeFAlNgnmfCzSYxzneGjfKySJEh/AQaK5lxN7S
MtX0rh9llpUm9RwuQAHsyTEw2L60imK1WsOSG8dzY4HnP6zshzqpGapuYh1b+AtR
AUQ4Ev+WyYg5q2rWJotq+Cw92uYxTIAiJLBR/JLi4Xhex1tulwKncxd2nCRCwuPj
2wIDAQAB
-----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 423988738676473972617764207232501117510496
 . . . . . . . . [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 2019-10-14 15:38:01 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-01-12 15:38:01 +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.demetra.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 31001572679935450011013564362753248665351344187306260586639796066419048797946635152347739111479579633823561177118065253752832391080681986464131191627131849940405165189662692997413386353463022748555197004227263967513747694136951225353808765509953983211194897262321714674699910928189818634795185382347169467083548408706228227009670593406337232574668432502862225825828477235063294311967729010200391338593381742835126423269734248636687150812680924598477757349319161288812320631739886263739715477782753334686705478542643144688409192321047743256594615354881109781419756979151086723365948239581493880302611431418882729173979
 . . . . . . . . . . . . . . . . . . . . [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)
							7eba1d68d005a6f552018222be176d52a0e17af7
 . . . . . . . . . . . . . . . . [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 (32 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'demetra.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.demetra.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)
							00ef007500f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb2730000016dcb223da6000004030046304402200af0b3c26fe3a6876cf7a527cc20d7cdb370c021cf8fce46a42d422b1f8e1bb502203799d4f3eef4535dd8a4542c0a8fe22e87e15afc98be83b3cc7b2947f00442ea007600293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016dcb223d9b0000040300473045022014df029aa7204186b4c7692ffe4f46bc60aa621f51041a98cdf182a0accf6510022100f6a16260592ddc406c311215759039491beb94c60a94937351d83b0f29b43de5
 . . . . [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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