www.project-a.com

Issued by R3

About this certificate

This digital certificate with serial number 03:a9:a1:8e:36:22:3b:88:e8:db:32:36:1d:0b:7d:ea:3e:20 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:
  • Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)

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): 03:a9:a1:8e:36:22:3b:88:e8:db:32:36:1d:0b:7d:ea:3e:20
Serial Number (int): 319059321916356924918041367839891199245856
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 0a:0d:62:12:a6:aa:3f:54:a1:52:43:be:c9:d0:ae:f1:60:66:f9:68
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): c5:8f:d1:87:25:64:40:2c:e1:02:a3:10:f5:c9:bf:4d:7d:07:c6:90
Fingerprint (sha256): bd:3b:e7:68:a7:a0:44:c9:27:a8:0f:03:31:19:ee:43:4e:42:3c:67:5c:3c:12:fe:3d:41:82:4a:32:7f:96:53

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

Other certificates including the domain name project-a.com

(limited to 100 certificates)
www.project-a.com
brian-poole.com
insights.project-a.com
data-days.project-a.com
pakcon21.project-a.com
autodns.project-a.com
2015.project-a.com
www.project-a.com
2015.project-a.com
*.bi.project-a.com
www.project-a.com
kfz-nexus.project-a.com
karriere.project-a.com
testing.project-a.com
testing.project-a.com
insights.project-a.com
marmosad.ca
insights.project-a.com
testing.project-a.com
www.project-a.com
www.project-a.com
knowledge-conference.project-a.com
optimus-wib.project-a.com
www.project-a.com
karriere.project-a.com
sip.project-a.com
testing.project-a.com
frida.project-a.com
insights.project-a.com
*.project-a.com
optimus-wib.project-a.com
www.project-a.com
*.project-a.com
www.project-a.com
tresor.project-a.com
*.bi.project-a.com
*.project-a.com
autodns.project-a.com
2015.project-a.com
insights.project-a.com
www.project-a.com
autodns.project-a.com
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
tresor.project-a.com
autodns.project-a.com
insights.project-a.com
*.bi.project-a.com
autodns.project-a.com
*.bi.project-a.com
*.project-a.com
vincent.project-a.com
autodns.project-a.com
app.project-a.com
www.project-a.com
www.project-a.com
www.project-a.com
www.project-a.com
www.project-a.com
2015.project-a.com
www.project-a.com
autodns.project-a.com
www.project-a.com
beacons.ai
2015.project-a.com
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
www.project-a.com
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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAxQmzUPI0CKubPWJ4oVy2
lB2oVsaOwJ70fEsyavN6xPGVUUIS9Lss554cISBPKfMJPis7kq3kca1udsw14BRG
znzLsq221aniot0Aty/fK0yM6+CYs+eSqcmBeHzwUxDsPCkzeATaf93mdCIcAW0p
g2tRSOTXD4ysyD77RMhRDvCiWi4hs8CbYSszZCARZQL54zeXVOJtOjk3cM6HxCfg
cymQ13FVTY6/Ovuee5C3FN2IlkxwEA5wsylJ9ncn1XP3OHmaZyEynH9oa+gSfclh
lDoJSglBPs5GcxPRpGc3AOamgU/QlWL4eBrtrpA/ANqHGc9goN+uJqQqwMGjhS7O
zQIDAQAB
-----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 319059321916356924918041367839891199245856
 . . . . . . . . [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 2023-02-27 01:07:17 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-05-28 01:07:16 +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 24873729550408939150409657612915569062880476575110214663670368585055516073902752649122500688981196996807478434422679114427291685029681136456524468579956779227188387385786108994065734072709541952863249219273933092500058448172377741640270894651188871907173157576787406555486650594107628007296919409586603078351339374138055570557331057140497044502321366107709405425283698437136414864236918806524022737022192427507213642966557848035033367322188030279667058747816914501240126198253012868465705467040405638201347194767234424169565031226593657167370471864924643286657476883349470403582770639688952068605913596946908340735693
 . . . . . . . . . . . . . . . . . . . . [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)
							0a0d6212a6aa3f54a15243bec9d0aef16066f968
 . . . . . . . . . . . . . . . . [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 (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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef007500b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb49900000186909fce16000004030046304402206ccb5600b36731775d3146dc9066d8990630d1b6e6dcfb095b6a99566af47dff02203bc252a806ae4a49bf7b471c408b3903f38beac17150d759f69138ba03b9229f007600e83ed0da3ef5063532e75728bc896bc903d3cbd1116beceb69e1777d6d06bd6e00000186909fce11000004030047304502210088e86f1bcca8d530c5e36a76376bf7d293917c1bf393af6b8e78cf2b550c7e3b02205693bc54c1eca55d90fceb7ad8bd8adc43d68e0e79cfe4527a608525eff93dc5
 . . . . [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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