lifo.ai

Issued by R3

About this certificate

This digital certificate with serial number 03:22:1c:f8:db:7b:ab:03:92:a5:4b:b6:fb:75:c4:87:a5:f9 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:
  • Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)

Certificate Subject

CN=lifo.ai

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:22:1c:f8:db:7b:ab:03:92:a5:4b:b6:fb:75:c4:87:a5:f9
Serial Number (int): 272944968795741235424261537635761111148025
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 8c:45:aa:fd:b9:8c:11:b8:5a:50:d1:24:91:93:2e:b1:87:f4:95:0c
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 22:e6:48:10:42:c3:23:73:53:32:f4:60:ea:4f:05:01:fa:d2:d8:8d
Fingerprint (sha256): 88:5a:11:25:78:77:2e:8b:6a:2c:ae:42:52:df:49:1d:6d:88:8f:c3:9f:33:7c:4c:ff:ec:f4:7c:13:43:08:fe

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

Revocation information

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

Check the revocation status for certificate lifo.ai

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for lifo.ai

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

lifo.ai

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Certificate

The complete raw certificate details for lifo.ai in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAp/Ro04JgnSbnHXtvkFhZ
P4YBQOKiwrfjR/ZgyO6wVbOwgmovhjcKsnRvlacaW5KtTUmYQK0S7un/n0lyd39G
CludUluLo8bQPNwU54dX3tLnk1tb0Il6vuTjgLgkxOmVgtez/dTiIkE4Ow+UhEOF
p5F2mgLeflD8TpQdCSQQXPjP3MfLKSVjsZilUuDvWrPB9ko/sArvC7fRkLPXbl6l
rcmRANDyEUbvuiTGG8/ND6gvNxZm53F5pwm7Z5bQFifhvt8E+htguSs55t6yk4rX
cuCgMNdLSw63blUPpnDaunHBwwQzWucphO8YBfHyJudp1FkyDrQaPP5+W0WKETtK
VQIDAQAB
-----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 272944968795741235424261537635761111148025
 . . . . . . . . [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 2023-09-07 05:15:55 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-12-06 05:15:54 +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 'lifo.ai'
 . . . . . . . . [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 21202319734572160314506251137410400083198261258147882884167863927295109914450193857153186006976913762636239286348722251089963053969741838367929438116923293666941126996187045649610691479315814838237613347361112112559759084440059032361288954965960511449762813094422908936981198841264447474044359322165414727718236271815465636503202516345063229947804175026235088539368826397957267513360738710128739991433827039830469262932919454170644571995069894634549596118565568283187233276606058506077976256753276991161581545881855515719210803061124344173486820037758222377829040580755816762305084591771413405308868282046516274350677
 . . . . . . . . . . . . . . . . . . . . [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)
							8c45aafdb98c11b85a50d12491932eb187f4950c
 . . . . . . . . . . . . . . . . [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 'lifo.ai'
 . . . . . . . . . . . . . . . . [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)
							00ef0075007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb520000018a6e4870540000040300463044022076a176123436bdd90931cdcf96ae0d8b3eff194f53467bb100c411a7f71c4ca50220526abfb98b49dd0abe55551c7ba7cf387e72eb4577c1aba8b58c982334dc2860007600e83ed0da3ef5063532e75728bc896bc903d3cbd1116beceb69e1777d6d06bd6e0000018a6e48703a00000403004730450220454484328a87e86125c2333fed925f8b32be00e0d2924472d0582e36ab26bc40022100a79cb7e89c2883a3e6487b41882c52a93bd46cb3a27bebdaf79c373b490efd03
 . . . . [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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