mail.unfrei.org
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:53:20:11:8f:c6:c1:51:6e:91:74:a2:34:84:4b:db:a9:3e was issued on by Let's Encrypt.
With 4 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=mail.unfrei.org
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:53:20:11:8f:c6:c1:51:6e:91:74:a2:34:84:4b:db:a9:3eSerial Number (int): 289622920730761923359378010963953284000062
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 43:23:6e:d8:c9:e1:8e:a5:81:39:c2:ac:ec:60:f3:b4:ef:99:0e:30
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 9b:d6:c2:27:71:f8:56:20:17:72:58:35:e7:d1:9f:69:46:b0:70:16
Fingerprint (sha256): 4a:79:bc:98:1b:79:6f:c6:0f:14:80:7c:af:0d:2b:0f:60:bf:dd:fd:d8:e7:d2:57:77:06:e9:2e:2f:05:93:6b
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.unfrei.org
4
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for mail.unfrei.org
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
8 extensions
No
unhandled critical extensions
CA Certificate
This is not a CA certificate
Subject Alternative Names
mail.unfrei.org
nextcloud.unfrei.org
unfrei.org
www.unfrei.org
nextcloud.unfrei.org
unfrei.org
www.unfrei.org
Other certificates including the domain name unfrei.org
(limited to 100 certificates)
mail.unfrei.org
unfrei.org
mail.unfrei.org
owncloud.unfrei.org
unfrei.org
mail.unfrei.org
mail.unfrei.org
unfrei.org
mail.unfrei.org
webmum.unfrei.org
owncloud.unfrei.org
mail.unfrei.org
unfrei.org
mail.unfrei.org
mail.unfrei.org
mail.unfrei.org
mail.unfrei.org
mail.unfrei.org
owncloud.unfrei.org
www.unfrei.org
mail.unfrei.org
mail.unfrei.org
owncloud.unfrei.org
mail.unfrei.org
mail.unfrei.org
mail.unfrei.org
mail.unfrei.org
mail.unfrei.org
mail.unfrei.org
mail.unfrei.org
mail.unfrei.org
mail.unfrei.org
mail.unfrei.org
mail.unfrei.org
unfrei.org
mail.unfrei.org
owncloud.unfrei.org
unfrei.org
mail.unfrei.org
mail.unfrei.org
unfrei.org
mail.unfrei.org
webmum.unfrei.org
owncloud.unfrei.org
mail.unfrei.org
unfrei.org
mail.unfrei.org
mail.unfrei.org
mail.unfrei.org
mail.unfrei.org
mail.unfrei.org
owncloud.unfrei.org
www.unfrei.org
mail.unfrei.org
mail.unfrei.org
owncloud.unfrei.org
mail.unfrei.org
mail.unfrei.org
mail.unfrei.org
mail.unfrei.org
mail.unfrei.org
mail.unfrei.org
mail.unfrei.org
mail.unfrei.org
mail.unfrei.org
mail.unfrei.org
mail.unfrei.org
Certificate
The complete raw certificate details for mail.unfrei.org in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIFMzCCBBugAwIBAgISA1MgEY/GwVFukXSiNIRL26k+MA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xODAzMTExNTUwMzRaFw0x ODA2MDkxNTUwMzRaMBoxGDAWBgNVBAMTD21haWwudW5mcmVpLm9yZzCCASIwDQYJ KoZIhvcNAQEBBQADggEPADCCAQoCggEBAMkJBYhbcNMo03rkh4RxxDHw93WcTTet AbjqY4/XHmz4v02FerKHJObZmO/usFyvSTnPyGcu5O1Asa++niFfivT7LLFdE6ia Hhc1rjuSu0E/GzwYQrvT2hj4UxnQnqK5D0iPO0YotQfzLHM/j5WcewEa2SXfjAAx 24BLDnhDBJMuAz8w5i4VJjOYAITCCm7LPOiU9292nEHZD/vYj2gWUwamBZ0BQdmV tpGScZ8k07CUPXBKuR4wP9giJsQ/p/wbrtNkuMPrRYZUIA/v4JaryUNKnzT2/sPH /rM0LetzErwjKJVUlFoXDpRekOVNbbqV2JN7ZvNnPfPQUe6j2raUcI0CAwEAAaOC AkEwggI9MA4GA1UdDwEB/wQEAwIFoDAdBgNVHSUEFjAUBggrBgEFBQcDAQYIKwYB BQUHAwIwDAYDVR0TAQH/BAIwADAdBgNVHQ4EFgQUQyNu2MnhjqWBOcKs7GDztO+Z DjAwHwYDVR0jBBgwFoAUqEpqYwR93brm0Tm3pkVl7/Oo7KEwbwYIKwYBBQUHAQEE YzBhMC4GCCsGAQUFBzABhiJodHRwOi8vb2NzcC5pbnQteDMubGV0c2VuY3J5cHQu b3JnMC8GCCsGAQUFBzAChiNodHRwOi8vY2VydC5pbnQteDMubGV0c2VuY3J5cHQu b3JnLzBMBgNVHREERTBDgg9tYWlsLnVuZnJlaS5vcmeCFG5leHRjbG91ZC51bmZy ZWkub3Jnggp1bmZyZWkub3Jngg53d3cudW5mcmVpLm9yZzCB/gYDVR0gBIH2MIHz MAgGBmeBDAECATCB5gYLKwYBBAGC3xMBAQEwgdYwJgYIKwYBBQUHAgEWGmh0dHA6 Ly9jcHMubGV0c2VuY3J5cHQub3JnMIGrBggrBgEFBQcCAjCBngyBm1RoaXMgQ2Vy dGlmaWNhdGUgbWF5IG9ubHkgYmUgcmVsaWVkIHVwb24gYnkgUmVseWluZyBQYXJ0 aWVzIGFuZCBvbmx5IGluIGFjY29yZGFuY2Ugd2l0aCB0aGUgQ2VydGlmaWNhdGUg UG9saWN5IGZvdW5kIGF0IGh0dHBzOi8vbGV0c2VuY3J5cHQub3JnL3JlcG9zaXRv cnkvMA0GCSqGSIb3DQEBCwUAA4IBAQA0JbSCE295Ot8im5QRAc+yxV+/wqWn9WJz uqU0lr1FUkBiNHQMo666Uc4Lm71YRWS7eC+fFFzVnk3pp9rYjY3xWQU7G01X5TiW V6m6MaFI98m0xsO4ZayEKrmMoorJFUkuZZtxRVTTgmtIqg69kDMmjWdqM5tWUq0j 3BWpfP8vBCi3JwTTRhYvahm5pMckuWC75LdqTpW7vLeoyvzjmWnzo4Rx+09v0AWD cYk1c953uKZW6UhOeRvHbFpBsti4gcVTZrdEVQxgWeIOdXUlIdXe1qe6ZBeZ/djn vT52ZQEmakagBHn+T3XXbneYlRJoY8igGq9Wa+KgQi4JuzCPx/13 -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAyQkFiFtw0yjTeuSHhHHE MfD3dZxNN60BuOpjj9cebPi/TYV6sock5tmY7+6wXK9JOc/IZy7k7UCxr76eIV+K 9PsssV0TqJoeFzWuO5K7QT8bPBhCu9PaGPhTGdCeorkPSI87Rii1B/Mscz+PlZx7 ARrZJd+MADHbgEsOeEMEky4DPzDmLhUmM5gAhMIKbss86JT3b3acQdkP+9iPaBZT BqYFnQFB2ZW2kZJxnyTTsJQ9cEq5HjA/2CImxD+n/Buu02S4w+tFhlQgD+/glqvJ Q0qfNPb+w8f+szQt63MSvCMolVSUWhcOlF6Q5U1tupXYk3tm82c989BR7qPatpRw jQIDAQAB -----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 289622920730761923359378010963953284000062 . . . . . . . . [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 2018-03-11 15:50:34 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2018-06-09 15:50:34 +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.unfrei.org' . . . . . . . . [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 25378348020809668670383142026281236256063237564188614364528015996834717495518501914974888475492018358252790614133583425835010598208958350223436067511391673219867755289900444918473001386472004637807198168300176616180186182622115254218889093375462265392911314879646568381875604594090798575541123277073732998273643654861557575838321797256776643063997556346997116372901317184665372772678576923259262274686770853405554023652756630202462605555853862369866716329024500460515587206736303641141376240276026914765767186059781367151957550809958335918458362222404700023416684920849990573214712938141860096521800032370569537417357 . . . . . . . . . . . . . . . . . . . . [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) 43236ed8c9e18ea58139c2acec60f3b4ef990e30 . . . . . . . . . . . . . . . . [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 (69 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'mail.unfrei.org' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'nextcloud.unfrei.org' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'unfrei.org' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.unfrei.org' . . . . . . . . . . . . . . . . [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 (246 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 1.3.6.1.5.5.7.2.2 (unotice) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:12|false] UTF8String 'This Certificate may only be relied upon by Relying Parties and only in accordance with the Certificate Policy found at https://letsencrypt.org/repository/' . . . . [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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