www.project-a.com

Issued by R3

About this certificate

This digital certificate with serial number 04:ee:ae:50:fc:60:5f:92:be:79:32:96:21:8d:d6:66:73:cb 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=www.project-a.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:ee:ae:50:fc:60:5f:92:be:79:32:96:21:8d:d6:66:73:cb
Serial Number (int): 429668053228042301239052647124155425518539
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: a7:fd:63:ca:51:ab:96:8d:09:39:8c:45:ce:54:af:2f:1d:89:94:6e
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 58:f7:cb:3e:b9:87:90:e5:08:eb:de:eb:0c:d8:e4:97:2f:aa:57:0e
Fingerprint (sha256): b6:83:96:34:08:32:c9:ed:54:a5:d4:9a:3b:e5:a9:d9:a9:98:16:5d:f9:11:1a:f1:29:65:74:18:b9:38:62:7a

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

Revocation information

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

Check the revocation status for certificate www.project-a.com

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.project-a.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

project-a.com
www.project-a.com

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*.bi.project-a.com
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2015.project-a.com
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testing.project-a.com
dwh.tt-bi.project-a.com
autodns.project-a.com
*.bi.project-a.com
2015.project-a.com
insights.project-a.com
tekoadm.ch
frida.project-a.com
www.project-a.com
testing.project-a.com
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autodns.project-a.com
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*.bi.project-a.com
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*.bi.project-a.com
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www.project-a.com
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autodns.project-a.com
testing.project-a.com
app.project-a.com
sip.project-a.com
testing.project-a.com
*.project-a.com
testing.project-a.com
www.project-a.com
sip.project-a.com
optimus-wib.project-a.com
autodns.project-a.com
apple.armm.wtf
testing.project-a.com
autodns.project-a.com
www.project-a.com
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2015.project-a.com
insights.project-a.com

Certificate

The complete raw certificate details for www.project-a.com in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAz7k39rdr7axItVWYfOrS
PORMliDkVM1WNF4A44yUNVetYNjo+aoWeAbGzGxUbAqpxyO0l9taQd1UoUjyWtnp
Vtb0VPLYL/TJBTkqdTSiBduiRur0MYlD6PYCj4No4CeOCuKzl6LKtUB1XiW/8Wcb
Xw8qqvMDj3ydRcUqqjtXIcYJ18hhcdeOQpn0uVRSSfrvP85sP89yP6rhJlxrJ52e
AzQ9RlIy0hRPOT8QzOscmbeFt5nDSViKXqz9k3NNPLaRJWtTpQOBKGjFp4IRCtp4
oG5bJWARa6ku7d0ns38XFmzwYNwxs21Y/+Bgtk+Qlg0kUH8z92QToMHy6u/QUWzi
SwIDAQAB
-----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 429668053228042301239052647124155425518539
 . . . . . . . . [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 10:32:21 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-03-24 10:32:20 +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 'www.project-a.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 26222663827839880878136035439430788294740478671797510832029559575348843139128434214407600621366826043957369753908666440679113083618204560505343709682945405359696953619230793421586800644957811816865979969233148574344687641085334043327157308019410303034887640197440576241329422184950088447710543885466420997325821554812561028456809763582022262066218851488242771574026563838775055713095156612973150434368536115629584169214204910542734330290215069568463865328023076178233527728085331676963475783882013847336642296137381647404066934306767385545575725734187745995389206233963635131021059459158788740483236975078582422135371
 . . . . . . . . . . . . . . . . . . . . [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)
							a7fd63ca51ab968d09398c45ce54af2f1d89946e
 . . . . . . . . . . . . . . . . [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 (36 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'project-a.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.project-a.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)
							00ef00760076ff883f0ab6fb9551c261ccf587ba34b4a4cdbb29dc68420a9fe6674c5a3a740000018ca0bf4f0e00000403004730450220766fcd9826eb7bcc8220b358bf20ba493d35535674f3025c7420c5f7e59d1cf60221008dbdff60b26a9f06116d77090e96daa3a7923f49991d20be7afa920179cccfec00750029d03a1bb674aa711cd3035b6557c14f8aa78b4fe8389449eca453f944bd24680000018ca0bf4faa000004030046304402205683f9e7369b81d01369b26091496961229a18334ae382bd9259bdf76bd41db602206e6d64d74efdf0a4f779844fe5be1375c997159a7cec32f9e743ca1fb877da50
 . . . . [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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