ot6.org

Issued by R3

About this certificate

This digital certificate with serial number 04:0f:34:2d:33:e8:8f:91:36:0d:65:63:45:54:4e:d9:fc:14 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:
  • 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=ot6.org

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:0f:34:2d:33:e8:8f:91:36:0d:65:63:45:54:4e:d9:fc:14
Serial Number (int): 353622733792822768626528216877314545941524
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 24:ab:26:ec:d8:c6:dd:1c:a4:d0:f2:c2:a9:40:12:b2:f2:cc:72:0a
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 25:9d:bb:3d:29:f9:d9:d5:6e:d6:9b:a9:4c:19:cc:ce:a2:79:9e:da
Fingerprint (sha256): fb:fc:5b:5a:49:fc:c9:3b:3d:20:3e:c7:e8:25:98:d5:e6:47:35:52:73:f9:4f:f7:a6:fa:9e:7f:d9:34:2f:64

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

Revocation information

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

Check the revocation status for certificate ot6.org

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for ot6.org

Public Key Algorithm

RSA

Key Size

4096

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

ot6.org

Other certificates including the domain name ot6.org

(limited to 100 certificates)
castelnuovorangone.org
ot6.org
ot6.org
ot6.org
www.ot6.org
ot6.org
www.ot6.org
ot6.org
ot6.org
www.ot6.org
www.ot6.org
ot6.org
www.ot6.org
www.ot6.org
ot6.org
ot6.org

Certificate

The complete raw certificate details for ot6.org in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----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-----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 353622733792822768626528216877314545941524
 . . . . . . . . [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 2024-03-13 09:22:02 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-06-11 09:22:01 +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 'ot6.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 (4208 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 941887777294288817293705577252991372287600951997056080340475308594446344245731131087241824271318754900490557193780804982995643996067225323309675072529244105111873458624767276484558954286080035493473394298416501258557751420666656214833748132774866709416613156553479454433252743664867737472366874371123858105418052899235969278983031912709979420649551447720866021480441745902577628727463793558636708552932299772563519965835779228186669985457945322656668873506314507631521048941541985100825482301300526189225263536193022572003991616252029851208660650215154805229930510217355910419261882541946952149974784421824479795047696147442682864654057082962697791462244034284540432172417791374076063105999005465801801867789275205130602819533487571998165905984768362201215004045477786955602172984839196797499294493230531921761567739879767393557847857057366615316407624426909500453009792275321696782241953303907435084105565904445471662775694085272202408630183891832521749269072276653757192799589149938231942556223671029711854693387136336941307951884953891861372718784788325984466504920764980562586527083091764874350215436650648583909438399237675278060047892506623529411731512243574327862589533892083240913522423138118443823253004213067906708894802367
 . . . . . . . . . . . . . . . . . . . . [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)
							24ab26ecd8c6dd1ca4d0f2c2a94012b2f2cc720a
 . . . . . . . . . . . . . . . . [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 (11 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'ot6.org'
 . . . . . . . . . . . . . . . . [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)
							00ef00760048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018e375552c8000004030047304502207a15c9b394512c2a30f90fbb04e3ca5091529b3624a14e53115377d382a8a521022100b68cebe37cd6a61300f97e3b6e1f11be3fcfbdbe5796a7fac2e4c2bd605d5cc1007500eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018e375552ca000004030046304402205d0e632f603ee454f38c9b32b2883d3eac6b671f1b2d424d81a60b796d29c2ca02204b55afaaa9ea6175e19a78f4486aaf4dc62a8ad1a77c44bd52731fc2cc714fdb
 . . . . [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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