yufitness.com

Issued by R3

About this certificate

This digital certificate with serial number 03:a3:64:8a:90:29:f0:90:dc:0c:c9:02:0a:15:0b:02:de:13 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=yufitness.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:a3:64:8a:90:29:f0:90:dc:0c:c9:02:0a:15:0b:02:de:13
Serial Number (int): 316936525863928467993661874956975797886483
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: b7:74:95:42:08:4e:1f:1e:b2:ef:b1:c2:d4:72:aa:fb:d9:35:fa:6e
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): f7:15:f0:4b:70:d9:b1:69:1f:69:b6:0b:7f:34:58:c2:6c:27:ef:76
Fingerprint (sha256): e2:b4:28:97:3d:48:bd:f3:00:de:fc:ce:e2:6c:04:a1:b9:6d:2e:e7:a0:7e:ac:30:49:62:cb:01:49:b7:6e:5e

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

Revocation information

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

Check the revocation status for certificate yufitness.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for yufitness.com

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

yufitness.com

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Certificate

The complete raw certificate details for yufitness.com 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 316936525863928467993661874956975797886483
 . . . . . . . . [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 2023-07-22 22:57:47 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-10-20 22:57:46 +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 'yufitness.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 (4208 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 1016168672355766374474815804837513879369985575242364156341063579534229484917398724913839740774110938921264785327939287935420337809109849164703184647545061714635902531466202774486717948980226644495214742473985706327114624235448833524877904511420108630884159334215028456641483021860278635956990047230764077677243150292107855749086291110052578108977048777073855499210824185223423494999739882308392002369348580456124119019585623985919785838058699273785750822706027135062756795632370260164332201198724346524102442740995218385899285304452484878252516971692727047200606795390396866512167813927083991660424167265569630041106989729971253400016094593999942836064917480120841666844081510577675679046637633528409135332421631654456879402576708211953013581520082125614330593654013356044502942751016866261564542011490995335279534426689601949619688244040271338011050262710274218186245992105623838816106051313776877083073838171671447078907370345582983649209388565994228791530295519616647338770579294848548077744599659470874159730863167483254078056069640918869565285984476148518015621461880225358417169187716097689297020779570999131442569584280471273771190276163663295356515386306435060732937972319195639170220949038119289670971755620940112454504350587
 . . . . . . . . . . . . . . . . . . . . [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)
							b7749542084e1f1eb2efb1c2d472aafbd935fa6e
 . . . . . . . . . . . . . . . . [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 (17 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'yufitness.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)
							00f1007600b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb499000001898009b6cd0000040300473045022077ea27d8f311bd4216c72e8a48ba11cbc62552badf9c744c3005ef60ec3e9bcd022100ceb42d773bd6b3e1c6b12085dfb2a20f8bf238f01eacae5033dc3d0da5baa7c9007700adf7befa7cff10c88b9d3d9c1e3e186ab467295dcfb10c24ca858634ebdc828a000001898009b6f80000040300483046022100a9eb609ee0fe6f1c70616bb998020c958afb07e92ca951ebc8b004b2449daea30221009b5584792ff1d5bfd5a928fbc84440d9ec727242b8e3ee4954d185dd194c49c1
 . . . . [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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