trekrlabs.dev

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:71:04:ff:bb:6b:f2:32:20:3a:57:89:8a:9e:f0:9d:6b:28 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=trekrlabs.dev

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:71:04:ff:bb:6b:f2:32:20:3a:57:89:8a:9e:f0:9d:6b:28
Serial Number (int): 386907695938152064245142165126733010660136
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 40:94:2d:3e:5e:ec:f2:49:18:2d:3b:d5:28:a8:fa:47:00:c7:c8:8b
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 99:3e:c9:84:e2:51:6f:ee:4c:6b:b1:b7:91:1d:db:65:40:ab:4f:4f
Fingerprint (sha256): c5:30:40:c7:9c:24:0f:00:46:88:88:19:8a:67:87:1e:ee:16:c6:70:ac:bd:da:5b:fd:24:3b:91:87:0a:c1:bb

Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/

Revocation information

OCSP Server: http://ocsp.int-x3.letsencrypt.org

Check the revocation status for certificate trekrlabs.dev

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for trekrlabs.dev

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

trekrlabs.dev
www.trekrlabs.dev

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Certificate

The complete raw certificate details for trekrlabs.dev in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAo7zjVNkPj6mxcuowE+9J
6lqvwmznmqw0gnewqa9nAZJ80s1o91UwnVJsOTcYF3kWYrQ5qQ2hlGaScqYVuPv1
R74Rq17DM7L1xgXFqYU/K2ddrvh8k8tu371aL9BeflqQyN/L0H9QCqXaWsZ9ysLq
zq+wl+kNHLJwnXDowf3JMqHU7+S/okyPI9sYuh9aJtlWw8xiGbibVw6m2Ayu8zPQ
ZEz52HL7gT/1j0Zl2b5g+zP8tD7y7RBcvekAyxQZaeBkwrmOCFCQl6jLg70Okbgy
EfZjZWFtioBkN6CCSIsk5+/4bG2KAlgBE6ThTd/Mcu0+h4qg8sPLpai4x+kEvfKs
BwIDAQAB
-----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 386907695938152064245142165126733010660136
 . . . . . . . . [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 'Let's Encrypt Authority X3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-05-31 01:43:36 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-08-29 01:43:36 +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 'trekrlabs.dev'
 . . . . . . . . [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 20669987860418018470292372387339331490609300273193037294817337840976472212639055380463099487379917405153179301224451473243931718960774525979383935640961681945917640819297398667264689698416707230638303292252150637193141788219128866297056428661712653645669506621477987318976021006500667326551045327008073395966752839789564345865142016879236392902191112126354556992585568944241165763310087842929966990378804398169269735604286784973292025219406177779886811318835934258849055242235769611909478128665337896418395748736044321831710449747021947457064321068393082008890941881417529314302158937299242597575438296476055332105223
 . . . . . . . . . . . . . . . . . . . . [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)
							40942d3e5eecf249182d3bd528a8fa4700c7c88b
 . . . . . . . . . . . . . . . . [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 a84a6a63047dddbae6d139b7a64565eff3a8eca1
 . . . . . . . . . . . . . . . . [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 (99 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://ocsp.int-x3.letsencrypt.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://cert.int-x3.letsencrypt.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 'trekrlabs.dev'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.trekrlabs.dev'
 . . . . . . . . . . . . . . . . [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 (247 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (244 bytes)
							00f2007700747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc560000016b0bc56d8b0000040300483046022100dee4d997637fb782bdf52f58ba0802ccac7c802771084945184ddd0aa252be98022100be981d856f6ea91ef09e0006fc6ecc3de870c38546514a2de39af60efc0a303a007700293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016b0bc56d8e0000040300483046022100d4fd6564f88c882e43d60378d2811e3f4b07ed6e3b9c2ea7d66af68779aaf9fc022100bc570ed7436247eeb214dbae426c4e4474e8c0d478dc085b1d5e41196b5014c9
 . . . . [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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