diana-group.com

Issued by R3

About this certificate

This digital certificate with serial number 03:ef:87:85:46:ae:76:48:e5:f7:ea:ab:31:9f:a3:0c:df:de 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=diana-group.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:ef:87:85:46:ae:76:48:e5:f7:ea:ab:31:9f:a3:0c:df:de
Serial Number (int): 342844481277889161375446873609077173051358
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: c4:34:3c:c1:a5:19:c8:f6:fb:22:f0:15:00:73:fb:06:9f:4f:ae:ec
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 0c:fe:47:ae:fc:5a:e4:6a:3a:fb:f9:8f:6d:09:b9:d8:65:03:f4:c5
Fingerprint (sha256): cd:ad:aa:9b:a5:1f:78:41:a8:8d:ae:d1:f5:c8:54:c8:7b:d5:fb:41:00:c9:7d:78:a8:2e:59:af:c9:1d:f3:08

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

Revocation information

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

Check the revocation status for certificate diana-group.com

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for diana-group.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

diana-group.com
www.diana-group.com

Other certificates including the domain name diana-group.com

(limited to 100 certificates)
diana-group.com
diana-group.com
diana-group.com
diana-group.com
archives-transport.diana-group.com
media.diana-group.com
media.diana-group.com
webmail.diana-group.com
archives-transport.diana-group.com
diana-group.com
diana-group.com
webmail.diana-group.com
webmail.diana-group.com

Certificate

The complete raw certificate details for diana-group.com in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA3DNweD70i1zoVRFMZj1t
ChLRYl+6ePFWS6Qe6gVAiZCjvMH/bAxHbD9XGQEM/Ea2VSjd/w7i/+Ck5PTkYH+4
XyDUq88OBZuXNLxZhEO+rBaoSEAxxJ5+eSB6GG/JyeAR/jv9VbxWWO/Xz5m/tg9C
NYOOKlQ4ERB9znJIq59sLJRgmLGHd4lf7RlPmDRNKsNQogRnVzlhSCciKUaAcm0H
4hDYc3Jo8jd7/vbl3q1M5IAfAPO22ZKXDF0ZiALtaCS5nV94BNcwCVGXEPWBYq2E
YGu1hio7EjTMyPOiMXk8HUInVEMMoRlamfPKtfeUPD0lpynXr2fF1vI9QVIay4Ro
lwIDAQAB
-----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 342844481277889161375446873609077173051358
 . . . . . . . . [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 2024-01-21 10:17:19 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-04-20 10:17:18 +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 'diana-group.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 27797792773918176246398556465104934295205848539977070549133145597990481931082110122397033126301476725929987057396445406639076901099820261950095223537755301877357357361378208308145509809133045756718110916329518522506424634428787613221933524677099290690172687309255723101927103739642460207656371427256298998254571988833254323859449929555706029257385817585660979946469621149359502193109127405342604525130370981400104798639569546606629871787669271643942700142340593623606308935465038585585537113971401768106245526012451099262723161466898577033425950770659151765700586339711987844760835781814424725063283427114552859584663
 . . . . . . . . . . . . . . . . . . . . [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)
							c4343cc1a519c8f6fb22f0150073fb069f4faeec
 . . . . . . . . . . . . . . . . [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 (40 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'diana-group.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.diana-group.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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f0007600a2e2bfd61ede2f2f07a0d64e6d37a7dc6543b0c6b52ea2dab78af89a6df517d80000018d2bbd41e000000403004730450221008d104675ba216d2c457974682dc2d7fc1b3e07586907e525034316ccd417661f02202d5485b5ab6f8e1024c62402f6f63ad2e3cb4525e28a9a3a45e0fabfacb7a57a007600eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018d2bbd4226000004030047304502206984078eb3bc01c5ad8aa975616f94750503f564120a4cbffb00aa743e6ea8be02210099ebf9dbe4b96559d05047cb3e32e9acc5017c2f59f05270e5e3a3601d8c4929
 . . . . [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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