blur.io

Issued by R3

About this certificate

This digital certificate with serial number 04:2e:52:54:96:a1:30:8c:d1:5a:14:d5:83:20:59:06:e2:3c 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=blur.io

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:2e:52:54:96:a1:30:8c:d1:5a:14:d5:83:20:59:06:e2:3c
Serial Number (int): 364211568509126836164179334385273609314876
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: ce:c4:96:d4:72:1e:51:73:4e:7d:03:c2:be:61:df:11:8b:ae:6e:ca
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): e3:44:e8:d5:99:c9:61:ac:9d:ee:b2:8b:af:36:06:88:b7:72:c2:12
Fingerprint (sha256): 3d:1a:e9:f2:98:6e:d2:07:dc:3b:50:09:25:da:99:39:bf:55:b7:51:ea:13:aa:75:07:f4:8d:50:67:dd:85:00

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

Revocation information

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

Check the revocation status for certificate blur.io

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for blur.io

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

blur.io

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blur.io

Certificate

The complete raw certificate details for blur.io in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAxv69hMpUFy5oKknIXpaw
0OEz9VHO/cZHGgp9GVUAqQYTBUah4lxydulStzbhLNMQAf8pmGTOt9gAJ/RgivZc
pIjAfKgOL8YdynwIMyk6m+KfOqU5f55NT5qUJK7flPf+k/wQeowpc/mlyPtxn0Cr
Ty/bqeoop4ScXT6OZhwosCSBOrfskFi5XB+rrKvsoodUA3xKn55NKZh6VT0X5s3x
i65pV8NJ1uJus/cawbx4D52vwofYe0z9+OwZWqnTKD5S/wb1fyqb7lUbx6Z8SZCI
fMnpwcs2U0QMksGKUyJTJtXaNHJkyToIfpyTz9tLYOgngxnbLElhPjMkUatvEzHB
WQIDAQAB
-----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 364211568509126836164179334385273609314876
 . . . . . . . . [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 2023-12-21 06:33:24 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-03-20 06:33:23 +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 'blur.io'
 . . . . . . . . [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 25120801510707456480688978877870867450052108709708801958681668228768354168296663187597227358341408419468374288442676132489666067045274775962405301598535111395089023887241896936633612286331193874196049654461858571011563625594536812776175586279167307615563345557511423870959865470330193366484370357674774280824513442052559716101770909593412993331755763938769874027260115337477505046419803411761751768069842013257464502516734810523513456192753822837025319957546737493299126309537772542441194014582796096698090008424102112998590504441955781032016234906018456120390047677229871380401041568502693655265212296309985040777561
 . . . . . . . . . . . . . . . . . . . . [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)
							cec496d4721e51734e7d03c2be61df118bae6eca
 . . . . . . . . . . . . . . . . [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 'blur.io'
 . . . . . . . . . . . . . . . . [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 (243 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (240 bytes)
							00ee00750048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018c8b4b1b5c000004030046304402200e6735cd663e7396df5ef32a478cc5d330695a4ccf49fd0690bc6ffb7df38a8802207e1d03c188588bc44c71e45f12705a26b5ee89b234e45e72fde3d1a2a2f33a83007500eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018c8b4b1b68000004030046304402206b383f6b2591fa815201b1ba6280cbcf05046d2bf5e6ace480bcd4de82776c5302202ccb33795aa7a58bb098d1189c9a1b9fdc97a81cead71422425657fdda1ea373
 . . . . [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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