www.okyadong.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:5e:38:46:3b:50:a8:05:d0:36:a2:8e:e6:90:46:64: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:
  • Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)

Certificate Subject

CN=www.okyadong.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:5e:38:46:3b:50:a8:05:d0:36:a2:8e:e6:90:46:64:ea:57
Serial Number (int): 293398201717445428358374374171420609800791
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 1c:d5:65:a3:46:dc:35:83:d7:e8:63:09:0d:50:19:f4:39:53:2c:69
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): fd:ce:c3:22:5d:59:a8:2b:84:58:c5:d4:18:5a:4e:60:e2:51:fa:d8
Fingerprint (sha256): a2:96:d2:17:b0:e2:4a:82:c1:6e:97:5e:0e:97:86:d2:00:ee:62:f2:ad:38:63:cc:28:05:16:21:1a:36:b5:e8

Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/

Revocation information

OCSP Server: http://ocsp.int-x3.letsencrypt.org

Check the revocation status for certificate www.okyadong.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.okyadong.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.okyadong.com

Other certificates including the domain name okyadong.com

(limited to 100 certificates)

Certificate

The complete raw certificate details for www.okyadong.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 293398201717445428358374374171420609800791
 . . . . . . . . [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 'Let's Encrypt Authority X3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-10-26 21:44:51 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-01-24 21:44:51 +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.okyadong.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 721917642309827917422517330028047716387566152458891773160342241125086402255702147059100449642652125270006948141225923016883269755026398158025289889466017849297475545304377978098822809857632994817352146497655422881583698522380356596230795218257142077326944366564058678513991725687814793883617366879723000589397190268830139014304054551021046849110137724665963285897206191334040151287655167644543498075446958765020335067179606839365512517856886398036125660183073434654346859953683346211963648329232362728008125379477256149966109575359965053259789659263465266971216834772443034512640373220504715408699363858000909138396394059629844582722157349208486852970600570616705248271234631334855791684129457565043999887364149020346373339619181597739016484770347473647812373183644587726476704892911181012563159362455883629736730757137329969100669661833445366655789198392937902772362233238670014929458631358373742061548542446693212874499933060550390877895462078489414983772945639030031786533805670402753270373263933603970815982037377968648322087277187142924823014004127451139064483451992714040413458130815358827175145229163730266284524791316448525295743619761979694317895977396711052138580537623658199983867435148355304317590888478737125187543600163
 . . . . . . . . . . . . . . . . . . . . [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)
							1cd565a346dc3583d7e863090d5019f439532c69
 . . . . . . . . . . . . . . . . [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 a84a6a63047dddbae6d139b7a64565eff3a8eca1
 . . . . . . . . . . . . . . . . [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 (99 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://ocsp.int-x3.letsencrypt.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://cert.int-x3.letsencrypt.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 (20 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.okyadong.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 (69 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 1.3.6.1.4.1.44947.1.1.1
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.2.1 (cps)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:22|false] IA5String 'http://cps.letsencrypt.org'
 . . . . . . . . . . . . . . . . [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)
							00f10077006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d9130000016e0a3e64ae0000040300483046022100d685b3e5c26d7ac77e96ee6c2bd5b6342f0d7d7a4b0237d9e7dd9f30b57c8942022100d65ef233979807a60e8004f45afce8f31fc52690322ac0dfabf79ea3ea16fdfb00760007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c0000016e0a3e64ab0000040300473045022055a6b1aadaf2e53bdc959044a5784ef1c57b1d28f511d5f1bb88682e8b6cfd670221008a0dc156a8ee90810620c25884a58c44f592695843f8ada856373049c5a73502
 . . . . [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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