mail.open-works.net

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:bd:2a:c3:a6:0a:52:12:1a:9c:e9:44:02:8f:95:7b:df:cd 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.open-works.net

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:bd:2a:c3:a6:0a:52:12:1a:9c:e9:44:02:8f:95:7b:df:cd
Serial Number (int): 325707068584746165780965088958292311138253
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: e1:43:4c:58:16:e4:3a:a2:b9:52:e0:ae:a8:ec:83:b0:d5:f9:35:48
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): ba:d0:fb:44:b4:cf:77:96:bc:03:ac:cf:2d:f4:99:30:d2:43:e2:22
Fingerprint (sha256): 5a:22:b3:24:8b:64:18:73:4c:ad:62:9e:3b:eb:0d:2c:04:49:db:1c:4d:79:8d:09:de:e2:3a:a3:d3:c3:b2:a5

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.open-works.net

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for mail.open-works.net

Public Key Algorithm

RSA

Key Size

4096

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.open-works.net

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open-works.net

Certificate

The complete raw certificate details for mail.open-works.net in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----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-----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 325707068584746165780965088958292311138253
 . . . . . . . . [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 2016-11-14 15:49:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2017-02-12 15:49:00 +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.open-works.net'
 . . . . . . . . [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 (4208 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 642748640564231909039228254115171727894995796049442690572963651691791471213380391479652655370359417737872071967545740456839069436184065775628856765253775577774171804476278144556323464832845975494736124984546788708512368072443203190789579296705079599312397568806299498248762310694399254212385791939304431129869688711235666479363900239596699038192556240867307471582049020342201913981376110311045841905221311263473734730980061204883244685928629406999872036036157298316934956922403095475177045817959586448172271925554806813912948947978629586850458833143396197199463779727345070127046942255702328788393633847476801956568444777755998685617506839203864278197427089992953254338975240374890162540670201637794599768737584713523994709767177824001590985898759546975628461237525306335868184998372715669412902993911843074050107060603496156864871917887446820731104575399423697090944011567143406116289224797586656751861835543106980671761831833053622419152395997433453632579858026032167740578375224772657171606370895634732947558352714751540787580178342479910224736093518196564140064731337013798244317869845706703238262951421547916468428704071379339544498578005226659830562955078857055583787311434743842031922741794144322381214933575039173926928305871
 . . . . . . . . . . . . . . . . . . . . [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)
							e1434c5816e43aa2b952e0aea8ec83b0d5f93548
 . . . . . . . . . . . . . . . . [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 (100 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 (23 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'mail.open-works.net'
 . . . . . . . . . . . . . . . . [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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