DV SSL/TLS Certificate for superstari.co.kr

Certificate is witin its validity period

Issued by Let's Encrypt (R10)

About the superstari.co.kr DV SSL/TLS Certificate

This certificate with serial number 06:ad:61:94:c3:5a:ed:34:99:4f:96:69:9a:fe:b2:5d:7c:72 for superstari.co.kr was issued on by Let's Encrypt.

With 2 subject alternative names, this certificate can be used to secure multiple FQDNs. This DV SSL/TLS Certificate is currently within its validity period but we haven't checked the revocation status of this certificate, you can do this simply on revocationcheck.com. We have found some issues with the compliance of this certificate, they are be shown below. We hope this DV SSL/TLS Certificate review for superstari.co.kr provides you with the detailed information you were looking for.


We have identified some issues with this certificate:
  • 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)

Let's Encrypt

Organization: Let's Encrypt
Country: US

This X.509 certificate will expire on

Certificate Details

Serial Number (hex): 06:ad:61:94:c3:5a:ed:34:99:4f:96:69:9a:fe:b2:5d:7c:72
Serial Number (int): 581672272605683852926887900719609326435442
Serial Number Length: 139 bits, 18 octets

Subject Key Identifier: 3e:13:d5:33:e6:2e:af:c2:5d:69:c7:4d:39:c1:bc:94:47:86:0e:a0
Authority Key Identifier: bb:bc:c3:47:a5:e4:bc:a9:c6:c3:a4:72:0c:10:8d:a2:35:e1:c8:e8

Fingerprint (SHA-1): cf:18:f9:b9:18:b4:28:19:b9:e7:48:8d:93:aa:7e:c4:ef:69:04:24
Fingerprint (SHA-256): a8:bf:03:36:c2:f8:b0:bd:f1:13:d2:da:54:e2:94:89:bb:04:24:2e:b3:82:13:97:2b:5b:ad:11:9d:e9:52:7b

Issuing Certificate URL: http://r10.i.lencr.org/

Revocation Information

CRL Distribution Point: http://r10.c.lencr.org/115.crl

Check the revocation status for certificate superstari.co.kr
2
DNS Names
0
Email Addresses
0
IP Addresses

Advanced Certificate Properties

Technical details of the X.509 certificate for superstari.co.kr

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
10
CA Certificate
This is not a CA certificate

Subject Alternative Names

X.509 Certificate

The complete raw X.509 certificate details for superstari.co.kr in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAyc7bk9vXVJfWfSvIFUph
chc58MiCf/CrO390eb+Xu9LeLjvlhOHzsoWv9O1GbYD4EWyVYoa3z0oYB2krjE4y
sUVP0ZNjXyUQDsDNS4ZThHsU9mlIbrwiD4mtoxWN7SIq5E7+g6i+bmK/yyZr1pYU
SWCX31fdUkRiq6ejpBn1cWHLPqp9npaeSFIdV0TUQfj8g9ak6qdZw1xyYh+3+wQP
7I8eFqigHc6RV9+UDAwh5AtQuXQRdxXE6O5Zm6ZoS2NZ6vAgvKZDGvVJHW7eKskD
9pD4Bzf4+m6YP+TADBSG/zrjTtVImrkPtEYcMvtbfZ9M22IoVlcTK5k41DLNqFin
RQIDAQAB
-----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 581672272605683852926887900719609326435442
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11
 . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'R10'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-05-31 20:26:25 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-08-29 20:26:24 +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
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'superstari.co.kr'
 . . . . . . . . [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
 . . . . . . . . . . . . . . . . [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 25475904644115083296299939309337857487503172656817394648702400279226269201266923427504074320243409001025054621013386898296077525310047351530580797182761254191371650284554576715113653156365225713927246575593790193106394966081678446476185838381980761324747350295866002006393471097016806633174126685876590628265749254121959769519278209608429284698730765296282414531683701578445004102678416810823630393922947684165483363735540739007292080130669816859917178829663342092700926443019779611620246913390160835312982362039498874939218129655227137936962877222327424339378599429118771410753203995883002638788069060595831574931269
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.2
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.19
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (20 bytes)
							3e13d533e62eafc25d69c74d39c1bc9447860ea0
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.35
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (24 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|false] OtherName bbbcc347a5e4bca9c6c3a4720c108da235e1c8e8
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.1.1
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (39 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.2
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://r10.i.lencr.org/'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.17
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (42 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'superstari.co.kr'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.superstari.co.kr'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.32
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.31
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (40 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://r10.c.lencr.org/115.crl'
 . . . . . . . . . . . . . . . . [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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f0007600a442c506496061548f0fd4ea9cfb7a2d26454d87a97f2fdf4559f6274f3a845400000197283bc7c800000403004730450221008302918a7bfc8075ad4a6d9132ade3423755942660a24e0d448bf3bcf7f837c002200d250e3c5b4c936e3cf4008ef3e40571634b581d01a1b387ce712cea5ea987af007600dddcca3495d7e11605e79532fac79ff83d1c50dfdb003a1412760a2cacbbc82a00000197283bcfd8000004030047304502204bf1327ed8cfbd66937bf4687d389e0530484ec901431157544a8ca292043017022100c17846c763ce32d1992b7033337250be0b528146323ef0aef396de5c78ce3f8f
 . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11
 . . . . . . . . [c:0|t:5|false] NULL []
 . . . . [c:0|t:3|false] BIT STRING (2048 bits)
		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