colostrumresearch.com

Issued by R3

About this certificate

This digital certificate with serial number 04:79:a2:c6:f1:6d:0b:91:8c:89:3f:a1:cd:db:25:33:78:c4 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:
  • 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=colostrumresearch.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:79:a2:c6:f1:6d:0b:91:8c:89:3f:a1:cd:db:25:33:78:c4
Serial Number (int): 389839678031269851419967151889468643047620
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: ed:e0:6f:f4:55:6b:13:60:04:b2:81:d7:b1:08:4e:39:09:57:b5:4f
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): d6:00:16:1b:ba:83:32:88:f5:79:3c:fb:3c:f8:67:40:70:bd:0f:a1
Fingerprint (sha256): 13:fa:5c:38:fb:44:e6:ad:0c:0f:6b:45:7d:fa:36:24:eb:65:e4:92:7c:fe:b9:3d:4e:01:d1:0b:46:19:c7:1d

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

Revocation information

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

Check the revocation status for certificate colostrumresearch.com

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for colostrumresearch.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

*.colostrumresearch.com
colostrumresearch.com

Other certificates including the domain name colostrumresearch.com

(limited to 100 certificates)
www.thunderstanding.com
*.colostrumresearch.com
colostrumresearch.com
www.trukfuk.com
www.smashrewind.com
www.billingslawncare.com
serviceslb.com
*.immunmax.com
www.247ihealth.com
vip-composite.com
gcreoeje.nl
illineye.com
shlcc.com
portachiave.com
esplosioni.com
pacifictec.com
candysack.com
*.colostrumresearch.com
www.brandtorium.com
klnco.com
eatlight.org
epicsaving.com
www.keywestconnection.com
sketchymerch.com
www.actioniq.org
www.virginiajointpain.com
www.colostrumresearch.com
www.professionaldomme.com

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAyarg3TBW6Zd4Kqp1mruy
wQIp8ESaGkztCT644PbqBx5GlVCbSyku7PdTmW4921ES9YfrKsKK/7lCziSDRKQb
VBJoDMfIaEk87lOPf+LUIkR++wtfFX7j+zcArLJg1+mjccv9+Yq72u8IkjYV6h4k
IYnLSDVIIakQKL6PFrrKFeoBBtDc2MsfMtJrfhfUew14nrFOPsLpb6Aq3QEr9vPt
yEsr6PuTfnx6YEUFMW51T8VvNR25P09q31EwrE2Krer6IuF9d/8AxLXvfdCSkedl
f7QBuf1qdeEM6uhSccFdjxwNKNxmX/2M5Dk6BuJeewnTA31KhmTvyZwDSRNbYXv6
lwIDAQAB
-----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 389839678031269851419967151889468643047620
 . . . . . . . . [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 2023-11-30 00:47:18 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-02-28 00:47:17 +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 'colostrumresearch.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 25458162565461575748916642915304626013042064205755796869722772721178615169907568929879400891362669903450606658605136652027770222965987624381347480664489103822016983110816403588440434233963322429273939993776315279007199342628336042618548761318026026781866150610495316624262294791747152614928692406079404029329574161380808625439010010812827973376743331505573865576533466065070660108346507752365495303648211164632065475566715587557601784834560488787746964553110856185692280579333355951629193169902755065424352602663984606646589477371319845686139993846776668654640958390324677777264590249869317927353773414565775872359063
 . . . . . . . . . . . . . . . . . . . . [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)
							ede06ff4556b136004b281d7b1084e390957b54f
 . . . . . . . . . . . . . . . . [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 (50 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.colostrumresearch.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'colostrumresearch.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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f100770048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018c1de8b276000004030048304602210087c6f53cbd062a923052bec820aa1671b524b51bbe8fd791b3b0f9b953a7accd022100bbd56e38e30770092b39d4f8787a16577b0e889f27cf2ac29b814079527a6315007600eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018c1de8b27e0000040300473045022072a7b10958abbc9bb500e719cf7a9bf9219f234addbc02750fe01b0a41ec29e6022100e41720a46c2dbe716127c0a00eca438c9123b4fcb6a06a342e0b70bc2772ff3c
 . . . . [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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