oxitec.com

Issued by R3

About this certificate

This digital certificate with serial number 04:a2:47:6a:df:32:24:18:5a:ca:aa:73:84:71:03:dd:1a:21 was issued on by Let's Encrypt.

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=oxitec.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:a2:47:6a:df:32:24:18:5a:ca:aa:73:84:71:03:dd:1a:21
Serial Number (int): 403669817266350672029627547608843519072801
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 52:0d:75:95:d9:64:11:1b:c4:cb:31:55:99:ef:19:7d:e7:0c:45:5f
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 79:75:fb:b9:43:71:41:17:f9:43:9e:21:76:67:53:dd:ec:b7:14:a5
Fingerprint (sha256): 66:28:d2:99:43:53:0e:4c:5a:a7:13:6f:39:3a:35:c7:62:f6:7d:9b:d3:74:b1:81:0c:06:7a:2c:97:e9:70:3b

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

Revocation information

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

Check the revocation status for certificate oxitec.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for oxitec.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

oxitec.com

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Certificate

The complete raw certificate details for oxitec.com in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAxE0E+b4BfhLnhPOJCNr8
A9TbP25OmUzBOWHqigG/XpqjUFLCyTzdBR4iA9mX7PGWKOVdv0SzMoYHYQxUul+n
8DH4Hx8fQ9yke6a5EfwnPNXH4XSbvXT+vjD/QtH49Frgy53HhkED53aj64qJkWAV
dHU+0GmzZdxpu4AuTTVKUqXBbxXh0xFdDlhXworqdigOzsKvYlWCDYDs5QZlg0qT
NYmDyGLxdks1PyPNvDkwICbrEqBEwPpLhgfBoBP8gjGSntV1JhV6isNB8hkmMHBC
etl17FbtKc9xlj56EggO907T71vwHx16yl/8WPq2LEIaIsZblZGXOrN9ANkceX/Q
cwIDAQAB
-----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 403669817266350672029627547608843519072801
 . . . . . . . . [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 2023-08-31 05:08:47 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-11-29 05:08:46 +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 'oxitec.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 24780687472645351493477103268847526367109493310139922370186653370253031177760407712788482085302679053030969793728275200634666141370308436955647471936207986627243126067669369337168876109564833124851865189397489870020800727266666876519557277875173251432440745365953568970896701773002031802183702174829411758936505949301004731242160764873534175436948669146283219449827755975658833571494159277204327745097133353936627567556289373498859785923640287842211381273434111031238744927948291983237790509620200960508407183158764050406770046047580362246675443242584088073127339334849419623828931206379213593728646612712661115195507
 . . . . . . . . . . . . . . . . . . . . [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)
							520d7595d964111bc4cb315599ef197de70c455f
 . . . . . . . . . . . . . . . . [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 (14 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'oxitec.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)
							00f0007600b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb4990000018a4a35633700000403004730450221008532fc50c23c8b81615c23ae484849cc20369f79861f5610fcbf1952dbc2498002204ce9dedabde32f78227911fb785c8c6e12f7c5d48c66e2fd36c367b3aa4667ac007600adf7befa7cff10c88b9d3d9c1e3e186ab467295dcfb10c24ca858634ebdc828a0000018a4a3563550000040300473045022100fc4d1d70269fbdd3c5ecf8ece21650c2017520540f46b8cf2ad8360f7e0f842102206dfb384dc667756a33ba64d4282de9159bd76f54acde55ffe456739cf31aec7d
 . . . . [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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