hempmedicine.org

Issued by R3

About this certificate

This digital certificate with serial number 03:67:93:9c:d3:85:eb:af:d1:1b:6c:3a:c6:16:74:91:e6:9c was issued on by Let's Encrypt.

With 14 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=hempmedicine.org

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:67:93:9c:d3:85:eb:af:d1:1b:6c:3a:c6:16:74:91:e6:9c
Serial Number (int): 296582152392026429254732714245676445329052
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 5c:f5:2a:b9:94:62:40:93:b7:ff:d2:1a:7b:17:a4:bb:e2:ed:ff:1d
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 07:5c:d1:17:4b:bd:72:8a:16:74:e5:dd:40:f2:fc:15:4b:b7:cf:01
Fingerprint (sha256): ac:fb:28:9d:fd:80:76:d9:62:b4:1d:f9:81:1c:8d:df:4e:1c:b3:3e:dc:64:5d:d0:e8:28:f3:c9:44:f0:32:4d

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

Revocation information

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

Check the revocation status for certificate hempmedicine.org

14

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for hempmedicine.org

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

alfadrive.info
contractoroftexas.com
discoverlistbuilding.com
gamalielshootingsupply.com.ukforvip.com
guysfor.com
hempmedicine.org
innaround.com
outsourcetrades.com
realestatereferralnetwork.com.healthyhometaxcredit.com
st01.galandnsoil.us
staciaorme.com.surreyrhinoplasty.com
tasklists.com
thedyingproblem.com
yachting4vip.com

Other certificates including the domain name hempmedicine.org

(limited to 100 certificates)

Certificate

The complete raw certificate details for hempmedicine.org in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA2nQkj63E9DG6ZMwep3i3
572+DW049pnTRGSMS44uFgmauVcucFNB9TM23seLR8Zv7LbYmL+wsnDQjqKuspNn
r4Da8AsMGiXSwqrQyrrO9IllebA4hEVH0KbCSX/irJMmMZXz+n8FTTcopWXoasC8
gA/Bx9LAkyvQuZUJNq1fzxBRw3LQMhuwU/Ocu40Cw4XRfSyp7jRnbkPXTkwvLNm+
xM4KoExYMZO9Y4nL9/ROYsEVlp71ZWyqCJSR5NBEg9LAc9axzBw7YOGCYsENQBAW
esPDZzf01ukg+9mlKr1lpHJGBwGMY0lw9A6FRvHLaGENpFv1OLWYb9lJCo1G8BNY
lQIDAQAB
-----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 296582152392026429254732714245676445329052
 . . . . . . . . [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 2023-10-31 10:13:02 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-01-29 10:13:01 +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 'hempmedicine.org'
 . . . . . . . . [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 27577222640405667528322651207857254627208008265157567204141185434294738480608419450520800057356068620101400344411289161831384844405269516535490401604582077972771872073088225665972043415161917014521700668016513983587948066463549736239889267339683150582387966269987954625778462506658392208481356354977951027333493546007231163987568181211401882738405405310044294994857098295678595207746763577372221453402431488390241483927922216110150256290672171671573571778628854857671168842245844343643939063716303592603268526304461896749535681236059349001762562171247424849986392557527839737587527560878597694629840426946595768195221
 . . . . . . . . . . . . . . . . . . . . [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)
							5cf52ab994624093b7ffd21a7b17a4bbe2edff1d
 . . . . . . . . . . . . . . . . [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 (346 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'alfadrive.info'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'contractoroftexas.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'discoverlistbuilding.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'gamalielshootingsupply.com.ukforvip.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'guysfor.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'hempmedicine.org'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'innaround.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'outsourcetrades.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'realestatereferralnetwork.com.healthyhometaxcredit.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'st01.galandnsoil.us'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'staciaorme.com.surreyrhinoplasty.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'tasklists.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'thedyingproblem.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'yachting4vip.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)
							00ef007500dab6bf6b3fb5b6229f9bc2bb5c6be87091716cbb51848534bda43d3048d7fbab0000018b856fdd32000004030046304402205066bace2963295e8f75d2880d88314d9e5ad268320704e22f4cd1d60a58f8d202207ae741b3550afa0cbe0aad0a83dc7117142a779b0cbb24e613da5818745bf750007600eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018b856fddcd000004030047304502207e93a83f3b6af5e2515b688e4a5fc9d49576c3f08eb75e96dbaf0af946243c4102210085b90d8878fc69ec96f36728d8139472942264404edb9eba6c220288776d598f
 . . . . [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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