www.yufitness.com

Issued by R3

About this certificate

This digital certificate with serial number 03:6f:61:97:a6:7c:36:12:0d:8b:48:ce:54:6f:bf:bb:ea:57 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=www.yufitness.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:6f:61:97:a6:7c:36:12:0d:8b:48:ce:54:6f:bf:bb:ea:57
Serial Number (int): 299237923052642705356051139183202493262423
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: c3:36:b9:83:ca:88:1a:c5:07:5a:d3:51:82:a4:0f:58:93:4c:e1:b9
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 37:13:c7:4c:a7:27:ff:0a:d0:92:b1:71:80:09:9b:26:70:50:42:36
Fingerprint (sha256): 52:0f:a3:35:83:33:38:8a:46:34:56:4c:b3:34:54:bd:c8:b2:c7:e0:f4:5e:89:6c:27:14:cb:84:03:ea:9b:82

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

Revocation information

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

Check the revocation status for certificate www.yufitness.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.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

www.yufitness.com

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4dinstruments.com
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christianbasedbusiness.com
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www.dynabus.com
www.booneurology.com
yufitness.com
www.betbuffs.com
yufitness.com
ghostleafs.com
www.domainsdeck.com

Certificate

The complete raw certificate details for www.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 299237923052642705356051139183202493262423
 . . . . . . . . [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 2023-11-24 09:24:26 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-02-22 09:24:25 +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 'www.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 914780927892526397163081775980315252168857207360509325397569076365909705459294370481935421904674866755432037677471347524815657691889673292189757011898139781779792540204066680798932568391297800407704320213666215110769389222308146304711611276916232165928856912806593477566661501638608264275065893339092748170813789651488638402351438685857818030854931789337174644655343247432538937443711032870667994551136234781376327668748583175569661910752754148159028684710715399083574758696270508873696635414621478436755666285278243785264710323185723910878792008707091818465637386029682478281121212046647378724027753751565021864333576818236382015548729685327446141976465921952997297761039683879844320737661716516984832216016010215451714104024403025515816053211712654270309162979434783126359493091985894740237683106682771400320485767979029819147280075126708845668351896757982994403116753888425014794429210843012987398534725988833394249167977024121137894839202736554702626425435057625561296167632322244468008891959986166017029789710203247338036114141760095500334715244696171095343936676676888644167170928778175014605582998281057046258243854463495977318647890872929368132034408051699171084293672743979276095646174489218466259994653235372292780319524313
 . . . . . . . . . . . . . . . . . . . . [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)
							c336b983ca881ac5075ad35182a40f58934ce1b9
 . . . . . . . . . . . . . . . . [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 (21 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.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)
							00f100770048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018c00dbff2b0000040300483046022100e9fad3290d37823592bcd401a20ccaf5d34604540d7f4a235b46660ab0f87016022100d1710c6adaee83fbc687646aae628f118bec0ab1df08c74e5ed1b175026484630076003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018c00dbff34000004030047304502200875328009c715a97e1159525e33591e551306c7c39448c9c228c7c4da97cb1a0221009a79c912f06272bf298c5de6dfd7bd249ef0884e08d77f890587683f56ebab43
 . . . . [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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