mail.demetra.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:ae:31:28:e9:47:7c:a7:9c:be:ed:7b:a6:46:11:ab:37:c5 was issued on by Let's Encrypt.

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=mail.demetra.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:ae:31:28:e9:47:7c:a7:9c:be:ed:7b:a6:46:11:ab:37:c5
Serial Number (int): 320611334234657050814769172302676246607813
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: ca:2b:38:14:0c:22:43:29:1a:38:5f:c5:bf:80:2b:a6:5c:54:d1:1a
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 2a:23:a7:5b:11:1a:29:57:8e:cb:89:d4:f8:81:8c:4b:de:3f:c0:33
Fingerprint (sha256): 2c:9a:a5:ce:02:2d:00:ff:3b:f4:ad:8e:1f:2a:63:b2:e5:e8:4e:6d:e1:7f:0f:78:b7:4e:9c:b6:8a:a9:e3:18

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 mail.demetra.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for mail.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

mail.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 mail.demetra.com in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA6BjTcaHH/vqX2Tp2f5ci
4CLYQ2txiYyvgPRICP1en9bnAmkLTZyGbWXKkGMFgMnL97Btj5sqS80J6+eOR99E
E5INHPeYRvgGu0aHRgyt+WDsvoXQ7sXUduNkVASLia7uvX4qX1gPsZ3h+GbY6rWB
sWCXyoWC0nPM6uNxgknBzbkRGDECOYgzrabcd4xSQFqUENFSVUqTrxRkpv5/E9hr
/TxkK3D2g3Wni7fiUNdjij4+8+ey2fBP55V/Sz3C9lBYuiqfMSpf7PPf4I3lM48M
8bYweWvWqGPCenTlV3+NiS6UJQ5BWpqa5kv6MEk+AA0znR8uP0l9I64y4WDr4UyU
TQIDAQAB
-----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 320611334234657050814769172302676246607813
 . . . . . . . . [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 2019-09-18 09:33:19 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-12-17 09:33:19 +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 'mail.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 29299528885641014523704554267838546569549108470000403317347674319748365418414348562177174239342343018511642229388149708486793249498968054859114913765278165115602526116224271952899171564498072624665368207989765438753086118787772558068478144857892394780767597677439730764546410711721393314008321948336730884728124902243472007393497643433239562511005922028352124034091951326484059253668978201352372072528776619501900273193710365255435564428236743477916098525985549888944703865348225181970628564444476469218597266202474850934704444216353333260372921458322960341312864412266552810897829335960099564073155404263825192293453
 . . . . . . . . . . . . . . . . . . . . [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)
							ca2b38140c2243291a385fc5bf802ba65c54d11a
 . . . . . . . . . . . . . . . . [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 (20 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'mail.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 (243 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (240 bytes)
							00ee007500747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc560000016d43eefdef000004030046304402207168fd43d2d0e68afa2e9c2c54ccf57ca413b2172104ae98708ecc7f78c8f9b302203d84c0b5f845c7f9f23b9e5ad0f2edc43607692d1d0067c34a63f9ad0240c61f00750063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d0000016d43eefe0c00000403004630440220009e70bd3b6ccb2c648283becab5676e6f1d6d009f6f8017cd2715786694360202201c1aeba2a6c0816f0de8cc13a8c261773444c3bfc6f65c32284c77547e36be5d
 . . . . [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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