mail.demetra.com
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:33:5f:a0:36:1e:fb:a5:63:22:2f:f4:55:69:ce:83:28:b1 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): 03:33:5f:a0:36:1e:fb:a5:63:22:2f:f4:55:69:ce:83:28:b1Serial Number (int): 278818367033050378307838683667107133204657
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 77:48:d0:b8:e6:9c:88:06:d4:0a:2a:03:16:18:f3:bc:22:05:99:a2
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 03:3e:9f:41:2e:3f:18:8c:41:40:a9:63:d2:5f:df:7b:6f:d0:55:65
Fingerprint (sha256): 42:57:5c:11:7c:70:ae:bd:b9:5f:a4:f8:1c:49:34:e7:5f:41:a0:39:20:15:80:c2:b4:24:67:32:3c:11:b7:fb
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck 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
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mail.demetra.com
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www.demetra.com
Certificate
The complete raw certificate details for mail.demetra.com in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIFVzCCBD+gAwIBAgISAzNfoDYe+6VjIi/0VWnOgyixMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTA1MjEwOTM3MTFaFw0x OTA4MTkwOTM3MTFaMBsxGTAXBgNVBAMTEG1haWwuZGVtZXRyYS5jb20wggEiMA0G CSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQDCHdUe+eeSRs514deNrt6Y8WUl8qdT FR3CBdR4JivDoTO/MCMc2LWWirnjFmwqoVJbcd9ha1fh9bOFjwdIUT3CX3POLCmQ W+U9guJcdllXy+dNLpHOghowe++9AnM9GRgBQS1Xxcp3qCVPRXPYZ2vI1j6p3txf 1Gcj3Jq4WauJJ1sokvPuszJlfmPA4aRQQlxWFuN8e1PNTI8YoqrV/Or3A9spDoLM IJsaxWp7ylgtulkMMfepSeE/a2yxpzZ+1M/O6ZyYedffDUN6kHxK3ejFTI5bHRYo zX1+vpd1H4eBucYNuj23HqEPa3T0hGxBTNuZ4I3wmPuLEmPWA8XjUOrjAgMBAAGj ggJkMIICYDAOBgNVHQ8BAf8EBAMCBaAwHQYDVR0lBBYwFAYIKwYBBQUHAwEGCCsG AQUFBwMCMAwGA1UdEwEB/wQCMAAwHQYDVR0OBBYEFHdI0LjmnIgG1AoqAxYY87wi BZmiMB8GA1UdIwQYMBaAFKhKamMEfd265tE5t6ZFZe/zqOyhMG8GCCsGAQUFBwEB BGMwYTAuBggrBgEFBQcwAYYiaHR0cDovL29jc3AuaW50LXgzLmxldHNlbmNyeXB0 Lm9yZzAvBggrBgEFBQcwAoYjaHR0cDovL2NlcnQuaW50LXgzLmxldHNlbmNyeXB0 Lm9yZy8wGwYDVR0RBBQwEoIQbWFpbC5kZW1ldHJhLmNvbTBMBgNVHSAERTBDMAgG BmeBDAECATA3BgsrBgEEAYLfEwEBATAoMCYGCCsGAQUFBwIBFhpodHRwOi8vY3Bz LmxldHNlbmNyeXB0Lm9yZzCCAQMGCisGAQQB1nkCBAIEgfQEgfEA7wB1AHR+2oMx rTMQkSGcziVPQnDCv/1eQiAIxjc1eeYQe8xWAAABatn3bWcAAAQDAEYwRAIgCDht L85GTv7BjpgU3fZ7ojDklTHaOJ8nNvPU+6yj+SICIG4zRKbeNLSvBWGbv+4rTmiB 7L5XSJUm/ZX0n7KjDLhFAHYAY/Lbzeg7zCzPC3KEJ1drM6SNYXePvXWmOLHHaFRL 2I0AAAFq2fdrjgAABAMARzBFAiBj6gqvgYUNve7kdTqEXOy/LMaJTN6XaV0mYj3b b0ag0gIhAPCg7gjTx/kNdOqzzpclCJEerRa+feQ5ueRg5Zjsz/ANMA0GCSqGSIb3 DQEBCwUAA4IBAQBqjvPpJvPY0/qa/GN+7EJE9xNwssCqv7/2UAyECr+LMPA7G/H4 JYS1L1A1mzT6w4OXgWLNoaaqVMO4m/rw2QveXYEit8XDTWrdEVHWON1wpp0f4rST C50xil8IID2i3LqC2jYjesmTSoaK+aNzIGAZt79OmuU7Tr4yz1SgHk7QORIBzg2n 8hqODuKT4izepRUfIB4VYuTg2Qiw+x54Sx/DrQ1JRSkCEtU0RrwfcDMhkWdhwzPU pyf//IMHFvhJXhYNou4me3AWnDjr/6lFAuH4XjrS3aSyAvWOmxVe/blX478eBX31 +YPYpOGjp9xwP/hY6jpbgvCJlo4xB4GQNSC+ -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwh3VHvnnkkbOdeHXja7e mPFlJfKnUxUdwgXUeCYrw6EzvzAjHNi1loq54xZsKqFSW3HfYWtX4fWzhY8HSFE9 wl9zziwpkFvlPYLiXHZZV8vnTS6RzoIaMHvvvQJzPRkYAUEtV8XKd6glT0Vz2Gdr yNY+qd7cX9RnI9yauFmriSdbKJLz7rMyZX5jwOGkUEJcVhbjfHtTzUyPGKKq1fzq 9wPbKQ6CzCCbGsVqe8pYLbpZDDH3qUnhP2tssac2ftTPzumcmHnX3w1DepB8St3o xUyOWx0WKM19fr6XdR+HgbnGDbo9tx6hD2t09IRsQUzbmeCN8Jj7ixJj1gPF41Dq 4wIDAQAB -----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 278818367033050378307838683667107133204657 . . . . . . . . [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 2019-05-21 09:37:11 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-08-19 09:37:11 +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 24504942119377809538449157301371989458210561801842911271701690693979466501421914249746499917480368663537677154773822762702035429510475316914528378334653625917665736828406173118208766850045465250126154434483032743736360361391228851199723434431645375252061670989925915570281681474385106335037748510095571551876096369268152008364843077942370112047370620484105231595566799734526137945840744818758995356035635320019007108757371035856772934644466917260138414477627023756104509402348760481216262439970989307410046782621578520657743280525141002186740967132033190475777318426888941452795700913994600908625393448155270563818211 . . . . . . . . . . . . . . . . . . . . [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) 7748d0b8e69c8806d40a2a031618f3bc220599a2 . . . . . . . . . . . . . . . . [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 (244 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes) 00ef007500747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc560000016ad9f76d670000040300463044022008386d2fce464efec18e9814ddf67ba230e49531da389f2736f3d4fbaca3f92202206e3344a6de34b4af05619bbfee2b4e6881ecbe57489526fd95f49fb2a30cb84500760063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d0000016ad9f76b8e0000040300473045022063ea0aaf81850dbdeee4753a845cecbf2cc6894cde97695d26623ddb6f46a0d2022100f0a0ee08d3c7f90d74eab3ce972508911ead16be7de439b9e460e598eccff00d . . . . [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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