slackhi.com
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 04:f0:1d:dc:82:58:c8:3b:4b:8b:e6:8a:ad:56:ce:15:93:ef was issued on by Let's Encrypt.
With 3 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=slackhi.com
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 04:f0:1d:dc:82:58:c8:3b:4b:8b:e6:8a:ad:56:ce:15:93:efSerial Number (int): 430156604349000153501416229928169240892399
Serial Number lenght: 139 bits, 18 octets
SubjectKeyId: 06:15:dd:41:77:ef:65:a8:9c:cd:9e:1c:af:7a:7a:95:40:2e:6a:e3
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): b5:b0:c3:d9:5c:37:aa:2a:d2:20:80:9b:ff:19:c5:e6:38:f4:cc:8b
Fingerprint (sha256): 7a:12:49:64:9f:a8:30:b9:4a:3c:9f:ae:23:20:da:c4:9d:b0:54:fb:c3:ca:12:89:ca:f4:72:8c:82:57:20:a1
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate slackhi.com
3
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for slackhi.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.slackhi.com
slackhi.com
www.slackhi.com
slackhi.com
www.slackhi.com
Other certificates including the domain name slackhi.com
(limited to 100 certificates)
Certificate
The complete raw certificate details for slackhi.com in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIFcTCCBFmgAwIBAgISBPAd3IJYyDtLi+aKrVbOFZPvMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTEwMDcxNjQ1MjZaFw0y MDAxMDUxNjQ1MjZaMBYxFDASBgNVBAMTC3NsYWNraGkuY29tMIIBIjANBgkqhkiG 9w0BAQEFAAOCAQ8AMIIBCgKCAQEAxIWaK8Iv5MzUE+RKzAulTFOg61MeP4y/9/Iz vX34aaTH2qeBWbLam8zhroZZVn1+yUCyGKsa5wbuL+FJA5jdS1IGwEkweVss+MQo JwnxlP2FwqHd2G5nT9pNBL0Ypw2LvzRKxIX87erv15cPbZToZM7fcMA8a5TUw84M tjWwIX1eCTGZ2lYjJN6CMse2WxUJVv7UWWqxfEjyw4NAYXZcc5NYrfbuJBmnDBnA BIA3ltqurTHT8b4pA/yZ8wDYQeuJakjTGQSuyC3O0aIKz2lxjv793uMTaMgZpeha A7maBw7Q/0b8u/nonMEe1wLV18bNTSyisFM1w8Z8IU8upeapHQIDAQABo4ICgzCC An8wDgYDVR0PAQH/BAQDAgWgMB0GA1UdJQQWMBQGCCsGAQUFBwMBBggrBgEFBQcD AjAMBgNVHRMBAf8EAjAAMB0GA1UdDgQWBBQGFd1Bd+9lqJzNnhyvenqVQC5q4zAf BgNVHSMEGDAWgBSoSmpjBH3duubRObemRWXv86jsoTBvBggrBgEFBQcBAQRjMGEw LgYIKwYBBQUHMAGGImh0dHA6Ly9vY3NwLmludC14My5sZXRzZW5jcnlwdC5vcmcw LwYIKwYBBQUHMAKGI2h0dHA6Ly9jZXJ0LmludC14My5sZXRzZW5jcnlwdC5vcmcv MDkGA1UdEQQyMDCCEG1haWwuc2xhY2toaS5jb22CC3NsYWNraGkuY29tgg93d3cu c2xhY2toaS5jb20wTAYDVR0gBEUwQzAIBgZngQwBAgEwNwYLKwYBBAGC3xMBAQEw KDAmBggrBgEFBQcCARYaaHR0cDovL2Nwcy5sZXRzZW5jcnlwdC5vcmcwggEEBgor BgEEAdZ5AgQCBIH1BIHyAPAAdQDwlaRZ8gDRgkAQLS+TiI6tS/4dR+OZ4dA0prCo qo6ycwAAAW2nU3C3AAAEAwBGMEQCIAs7QI3UObJB9gbDP//LUMoyPmbPUoNxLG34 bUC1gl2eAiBn9wEBpCut+0wL9qVf6ZRj4CFvDE+Sea68C5yhVmxSBwB3ACk8UZZU yDlluqpQ/FgH1Ldvv1h6KXLcpMMM9OVFR/R4AAABbadTcK0AAAQDAEgwRgIhAPpA 3B2YysLjO/Lsc55KocMVnGFCrtHAkH0wAYTfrSH0AiEAgrxU13l58VwVJi+NRRUa t3SoUkDjVvP33Zr2O/jcATQwDQYJKoZIhvcNAQELBQADggEBACuu5HLKxWjRkSrH EwjTrCps1RFz8JFNyH3VAl9mRVHGlYVzi72d5svPlXsU7TvCyOOkaGYkltvybZW+ 1SIJxQ0WMsdXvpPI1Yh5jpTKLlNZIhpsYbwGQnvmhG8bndzsQBpTU+vXASzhnTzJ mryqKEQp/CY9R8Nt/UEvmQHsm+t9++kyg16OmX0j9dm1PdPkITay6zdwYyqq3w6E XtbwrGDJZ8rP04ffMqmfD7VjWF8Psbi3xLQu4I/GeSXxt5OX2VOZCdFIsIZRptMk fJt8by9JOkkMXUDNYKJpRLphLwUEpnXuzKV5Sj5PewDnewQoobAQ0sZ9jkf5iNXp NImWxYw= -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAxIWaK8Iv5MzUE+RKzAul TFOg61MeP4y/9/IzvX34aaTH2qeBWbLam8zhroZZVn1+yUCyGKsa5wbuL+FJA5jd S1IGwEkweVss+MQoJwnxlP2FwqHd2G5nT9pNBL0Ypw2LvzRKxIX87erv15cPbZTo ZM7fcMA8a5TUw84MtjWwIX1eCTGZ2lYjJN6CMse2WxUJVv7UWWqxfEjyw4NAYXZc c5NYrfbuJBmnDBnABIA3ltqurTHT8b4pA/yZ8wDYQeuJakjTGQSuyC3O0aIKz2lx jv793uMTaMgZpehaA7maBw7Q/0b8u/nonMEe1wLV18bNTSyisFM1w8Z8IU8upeap HQIDAQAB -----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 430156604349000153501416229928169240892399 . . . . . . . . [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 2019-10-07 16:45:26 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-01-05 16:45:26 +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 'slackhi.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 24808589488505434711090835845257530499997880187277109478204926645390130094137475713711823462572751475657273903547563643788521140250259881383191604609422495940538574083534382008582519136025566861054784452890020319064444089289513497335034516915967291019402511620238221162979264511277527983706156894211289163037435072634583376142831830291423691689302819106671074881052943925873229158712650532545564118511837035727517349906133860765059203153669646348800162079167244490610688921176661780963511177904520500225355103126331691406999426739095370247639845154282008895511517084477450007456554366357246165345550067713720124352797 . . . . . . . . . . . . . . . . . . . . [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) 0615dd4177ef65a89ccd9e1caf7a7a95402e6ae3 . . . . . . . . . . . . . . . . [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 (50 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'mail.slackhi.com' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'slackhi.com' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.slackhi.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 (245 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes) 00f0007500f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb2730000016da75370b7000004030046304402200b3b408dd439b241f606c33fffcb50ca323e66cf5283712c6df86d40b5825d9e022067f70101a42badfb4c0bf6a55fe99463e0216f0c4f9279aebc0b9ca1566c5207007700293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016da75370ad0000040300483046022100fa40dc1d98cac2e33bf2ec739e4aa1c3159c6142aed1c0907d300184dfad21f402210082bc54d77979f15c15262f8d45151ab774a85240e356f3f7dd9af63bf8dc0134 . . . . [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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