*.offiwork.com

Issued by R3

About this certificate

This digital certificate with serial number 04:fa:d3:a4:96:7c:af:81:d9:22:d1:9e:79:02:90:d5:c4:14 was issued on by Let's Encrypt.

With 2 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:
  • DV certificate contains a subject common name, this is not recommended. If certificate policy 2.23.140.1.2.1 (CA/B BR domain validated) is included, only country and/or common name is allowed in SubjectDN. (BRs: 7.1.2.7.2)
  • Subscriber certificates use of Subject Key Identifier is NOT RECOMMENDED (BRs v2: 7.1.2.7.6)
  • Subscriber Certificate: commonName is NOT RECOMMENDED. (BRs: 7.1.2.7.1)

Certificate Subject

CN=*.offiwork.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:fa:d3:a4:96:7c:af:81:d9:22:d1:9e:79:02:90:d5:c4:14
Serial Number (int): 433801057153311068966317660011538672894996
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: e4:47:a1:2a:b4:1d:4a:41:ca:18:e9:fb:bc:b7:df:26:42:f2:60:03
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 95:43:80:0f:5e:c7:f1:5d:f5:0e:fe:1c:83:73:89:25:19:81:50:70
Fingerprint (sha256): 62:20:c0:22:f2:52:f0:d6:09:86:10:fe:ba:26:b6:4c:e7:47:52:f4:cc:3e:84:32:1e:ee:ae:37:6e:cd:07:c9

Issuing Certificate URL: http://r3.i.lencr.org/

Revocation information

OCSP Server: http://r3.o.lencr.org

Check the revocation status for certificate *.offiwork.com

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for *.offiwork.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

*.offiwork.com
offiwork.com

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link.offiwork.com
*.offiwork.com
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www.offiwork.com
*.offiwork.com

Certificate

The complete raw certificate details for *.offiwork.com in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA2uYq5qcrUwuhT2uuILYZ
/4ilUnAm8KJfmPwTP+gEnTr7KPl7ysdQ6o6temVlvGwWkmR8MSyPbHTaJHWXgWsj
k3kq40Kj0xRISmkbfa/+GXvd1vN0urPGgdWXkNvSStC0KsvZ5yLiAmOmk6ZEykMK
aL0jgfJoVNs4Cwqlx1oIVcwqz9Zmlb/tj4L8AyEdbQQrZfB9vKpcYbvC3umZPAP2
1FzubRZzrJMmninyNvX422bO63O7csE9OyU0UCnzVnDnrZffPSxjR9gRn5xF6MoW
/2FFpZ9MXAZHBThybUfTUnnAp3/ohfJueXiHexijuWoGFmKR159DmHPX/OfVVLuF
KQIDAQAB
-----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 433801057153311068966317660011538672894996
 . . . . . . . . [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 'R3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-12-25 17:47:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-03-24 17:46:59 +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:12|false] UTF8String '*.offiwork.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 27633450347475747704320823358017526624715913063124757177377793161873064497601075861022316650449072621088959466512995174260983074598920027537727274763371709001088737271043190979555553411786802549269304655827838679003560655067306008113715224417810197321044714684251740921849681122553825042296526317004664458170439152034264332165939992196212798573895149437966844152275611291145830741483632925322137674612457640243874213557882528409597153597618351136816421559809194211774551626980185165365518906437173637176017986913992097987656532944059925559688597768356310184228046114554253125338901686651471779210571642569824528991529
 . . . . . . . . . . . . . . . . . . . . [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)
							e447a12ab41d4a41ca18e9fbbcb7df2642f26003
 . . . . . . . . . . . . . . . . [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 142eb317b75856cbae500940e61faf9d8b14c2c6
 . . . . . . . . . . . . . . . . [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 (73 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://r3.o.lencr.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://r3.i.lencr.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 (32 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.offiwork.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'offiwork.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 (12 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 1.3.6.1.4.1.11129.2.4.2
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef0075003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018ca24d4053000004030046304402200dd5bb72f523cbee553d2b98309188b78fc9aa7c1d3cdbcb183b958d115ff0d0022041ddc4f5352f1f9abaf28445ccf93850520d509b74b308e4ef1b6ed8fb68431600760076ff883f0ab6fb9551c261ccf587ba34b4a4cdbb29dc68420a9fe6674c5a3a740000018ca24d40a400000403004730450220349e1a5d4bb6ab382f35501f2fc3bcdb427f99f8ef85f148683a1265b68a8b90022100afa7c23ea24300c8b1aae21d5ca4ca01db0f63ad731fa69f587d01ba5c106f75
 . . . . [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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