www.okyadong.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:39:a6:67:0d:6b:89:a2:5f:4c:f0:e4:55:02:b3:49:94:e0 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): 03:39:a6:67:0d:6b:89:a2:5f:4c:f0:e4:55:02:b3:49:94:e0
Serial Number (int): 280954139635842291458302249737054388327648
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: c3:2b:d2:b6:bc:26:46:56:93:18:ed:34:f1:ef:3d:6f:04:77:c2:e2
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 54:28:09:a5:16:9f:f8:a1:d9:a2:14:fd:72:76:bd:71:3e:2f:e8:d6
Fingerprint (sha256): 75:d7:b7:97:a3:bb:f4:67:29:c9:be:f4:db:4b:20:93:34:27:ca:96:69:09:d4:a5:06:88:2e:3c:3b:4c:0a:cf

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 280954139635842291458302249737054388327648
 . . . . . . . . [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 2020-01-01 10:38:52 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-03-31 10:38:52 +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 859746929983497821289055273789533557072817587260099453642485797532549452029660403431821585950335608885249562981182980177468042444652608551911377908207368566129564329622632725620728122562892219978517266076532488191111460330059066389069028046020587069325715475377930175923403905195210845210651076217832499586487672791859375819917479929655289303295025191499420833415055534053906057984076489712716266635317306920449302447061739882783353857367698353687412694679043263190856638636312855371490133769466502759275187085867150049892959010730846935598898937535865764000382611240170605009564124420775176334080659375493047145406280548393565232569795415692144727208425808816164931704485766571131412404114532396147550424623093580004149282033812327794545997370235146195863051574215839604357584891106936285183822960270267740250401808973326091132742073567800747242060643728583600635812304455960111792771528038295776250084717312021829054266586488596191680583610592862291612063743259010830946879138804777957764593610346907396508970796424233406578789364471307935532878603486416861888805221259419731162411989663310767262710264657443486286154140670413258362689591981823683840248912079968947683178539921577283580985603969333218455637233147239945572122521427
 . . . . . . . . . . . . . . . . . . . . [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)
							c32bd2b6bc2646569318ed34f1ef3d6f0477c2e2
 . . . . . . . . . . . . . . . . [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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef007600f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb2730000016f60e6c05d000004030047304502210083183088409630f1f53f4208a2f7c714d327d897be569e4d2e181f8771e97b4202206189900c42fac29d1ce3e2626a601f8b8c2de8a638f97a127f7a76d6fae1c31100750007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c0000016f60e6c08700000403004630440220623df8ed43d3ae4e93c7ceb1271cb527b1bd1204ba1252cd8966765add52c3ca02200bfcdf3f7714fef16d97aad049f37c0ebea758bc9df048034bf011a6bb639ea6
 . . . . [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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