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:ef
Serial 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.org

Check 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

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-----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-----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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