www.project-a.com

Issued by R3

About this certificate

This digital certificate with serial number 04:6f:0f:30:c1:8f:0d:4f:f9:03:12:fc:77:d6:56:3f:e9:0b 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): 04:6f:0f:30:c1:8f:0d:4f:f9:03:12:fc:77:d6:56:3f:e9:0b
Serial Number (int): 386240678031289940171255487710991489165579
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: a7:ce:30:cc:98:ff:34:35:5e:a6:21:13:53:60:8c:5e:5f:66:ea:b8
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 20:5b:2d:de:ea:6d:a8:e0:60:47:64:9c:61:02:22:f1:d2:93:19:52
Fingerprint (sha256): f4:a6:1d:a0:34:06:aa:93:3b:fa:6d:c5:e2:0b:86:2d:eb:13:69:ca:66:5c:99:2b:91:11:41:bb:a0:0c:cb:59

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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA3G6RK6x3uh4S7ol7NLkl
yj1As/Zr/uNyO0fYEtlycCh0eIbuiYRGlf0YVZJcdEBQD8NyBEp05vbCeD8l6w2D
VxY99bwQqK1pznY0uhDQH/rR1l16+udh6Xh0fqMnK6GcAuPby+oMIRE66HGOXRxS
v2G0YbPAfaGumg+eWYbYBogDomraqhDVXEqHQwGeTC5QLCQ2H3Gv+oyPruB63cwy
Cgm2/yhGFSdSQbd1B2f8E1DjTPsFz5FW9LEgwQBaAlYKBOt23o73ihKl/Ks8jFpO
cem1iocBHXYoDDCzyNrj+An5MTLW7T9EN/pQFHMlVBU9d+ZcUMLEXxKB+w/Jlm4+
xQIDAQAB
-----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 386240678031289940171255487710991489165579
 . . . . . . . . [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 2022-07-01 06:42:34 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2022-09-29 06:42:33 +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 27826949748147663745230233188659850084069282132203073338271458572293135943707830457770195388979177867574732335841526846201328690915870470082292895177158088213171629729707990202834757137287384865281793325718746347564752870240960764961266214332916097377862511046492009185296002446248265404392828327287170679025496084524432150844628913862512388828796307126619050149616402272845688710509524614710626593267077048334817953025595846430683830374411388561062127006569380487798612062069217529325653677158899720467645915876202160078532933024302449784379626855159033634035041885579069676499954026054190235877119821498491910110917
 . . . . . . . . . . . . . . . . . . . . [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)
							a7ce30cc98ff34355ea6211353608c5e5f66eab8
 . . . . . . . . . . . . . . . . [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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f0007600dfa55eab68824f1f6cadeeb85f4e3e5aeacda212a46a5e8e3b12c020445c2a7300000181b8b628e00000040300473045022100ebc45b4c625fd60918d1edeccfffe789ad8e3e314170e70f8027a24eed3724be022024a3a4269fe8cd88c8c1cbb5dca0536486dd9dc62a82436069e0c0f738d3a29d00760046a555eb75fa912030b5a28969f4f37d112c4174befd49b885abf2fc70fe6d4700000181b8b6290e000004030047304502202428d8f03029837e761a4ba935dfbcbbfbdaf5b647ffbb4156adc250c768323f022100f1dd84fce0bc3223107a0e474c6c192f62e3913df62f678b203504704b9fc0b7
 . . . . [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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