researchflatearth.org

Issued by R3

About this certificate

This digital certificate with serial number 04:16:84:65:fa:c9:65:4d:38:53:5d:07:b5:a5:d9:5e:96:33 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=researchflatearth.org

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:16:84:65:fa:c9:65:4d:38:53:5d:07:b5:a5:d9:5e:96:33
Serial Number (int): 356111343403286566613058733832330926790195
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 2c:0c:a8:ce:b1:f8:72:e1:c1:47:1f:2b:68:06:2f:44:83:f4:c2:d3
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): d2:aa:9c:e9:03:bf:e7:2f:4d:fc:f4:2b:71:90:ea:ef:24:cc:15:81
Fingerprint (sha256): 05:1e:c0:20:57:b4:24:a9:1d:7b:00:52:6e:3b:0e:63:ad:bd:54:e6:4c:a6:4a:ae:41:56:74:e7:0e:17:a8:6d

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

Revocation information

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

Check the revocation status for certificate researchflatearth.org

14

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for researchflatearth.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

aerobatica.com
amcarepharmacy.com
antimetals.com
consumerarbitrage.com
domainjobkiller.com
helicopterstories.com
honolulu4vip.com
jaredcummingsphoto.com
khj.co.in
photographylibertytownship.com
poisonivyexposuretreatment.com
researchflatearth.org
rthomasv3.com
softwareopportunity.com

Other certificates including the domain name researchflatearth.org

(limited to 100 certificates)

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAqT2GFKahAiISsgw5GaJf
w/UUg/VkzpdkMDepaBmcPhjUxFMCCwmahrVelkxpChRXDeFpihn/HDN/7IQNTOew
l3+FF9b79FQYxJgKAPRu/zFQdJaY3NtmrLD98LM5lw9H1oNvqRdmgyURuVZ3HZVf
CuryVPUdH2u5r0RB9h2Za4RqloYx79/403ayigSMzr/ugCBrlYlZX0bOrOKaDYoy
zt0oESkDIuzTpCiw/DxPzgcuykpHHz8LRne8VckllVUBMA5eD78ms9B749LZftMv
X2YHP/26QAl8ImNFFQf45mBBtMK1eN/BIYMqsoaKIe9wHpHBDPSzZXjDLuPK6wHW
CQIDAQAB
-----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 356111343403286566613058733832330926790195
 . . . . . . . . [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 2024-02-18 08:50:42 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-05-18 08:50:41 +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 'researchflatearth.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 21364612032405858714993413654230229619879396776041376303349379395302100502368441897607659097572728531630195016286367285844070379134618850697384233365140778976247096781218683317622614843356101188026830681625375967349241377771945764574535123540726491351699580397969160891535118871200201649635483432092137209619192816321610695905065165493479135752958454162424988691965014153648997921276856817574503892446787690993547816259733333135212817271422350266469337744997154950388572507345043245843510152000853990406165121167776595340490335660059541375307115720296351368326721008474162154014447633862091009425410781069024061150729
 . . . . . . . . . . . . . . . . . . . . [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)
							2c0ca8ceb1f872e1c1471f2b68062f4483f4c2d3
 . . . . . . . . . . . . . . . . [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 (303 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'aerobatica.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'amcarepharmacy.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'antimetals.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'consumerarbitrage.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'domainjobkiller.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'helicopterstories.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'honolulu4vip.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'jaredcummingsphoto.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'khj.co.in'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'photographylibertytownship.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'poisonivyexposuretreatment.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'researchflatearth.org'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'rthomasv3.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'softwareopportunity.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)
							00ef00750048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018dbba00419000004030046304402205f7b26718e3e5986048076ae5d59b1834749b9ab1c1cff70c99449af7b8015a50220616a4e2c8805837a1a5f36c3ecf7760867aa0df633443442c5b058dffb2544680076003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018dbba004530000040300473045022100f85b0fe91804bd530747fdb013f357b6286c006bcf4ddd14829b22206aa1a83602206f18f92c78e172f7a7694b7bce73ca0fe38222e34e53964d8ee5a531308f821e
 . . . . [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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