u2home.co.kr

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:a8:2b:d1:31:7c:61:c9:f9:7e:72:66:a2:c5:6a:2c:cf:5d was issued on by Let's Encrypt.

With 3 subject alternative names this certificate can be used to secure multiple fqdn's. 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=u2home.co.kr

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:a8:2b:d1:31:7c:61:c9:f9:7e:72:66:a2:c5:6a:2c:cf:5d
Serial Number (int): 405674824367313460558796587726103535996765
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 8f:7e:ef:b5:aa:d5:37:d4:14:42:e9:88:f6:1e:eb:3a:1a:d7:ab:5e
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 17:e2:45:c0:ce:a6:16:fb:af:58:f9:00:d8:cf:f2:76:20:8d:2c:ef
Fingerprint (sha256): 2b:43:fb:e4:d5:82:72:63:17:5c:dc:d6:72:b5:4c:a3:6b:d7:ea:fb:bf:e4:5a:1f:97:01:83:72:9e:78:ce:40

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 u2home.co.kr

3

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for u2home.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

9 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

m.u2home.co.kr
u2home.co.kr
www.u2home.co.kr

Other certificates including the domain name u2home.co.kr

(limited to 100 certificates)
u2home.co.kr
u2home.co.kr
u2home.co.kr
u2home.co.kr
u2home.co.kr
u2home.co.kr
u2home.co.kr
u2home.co.kr
u2home.co.kr
u2home.co.kr
u2home.co.kr
u2home.co.kr
u2home.co.kr
u2home.co.kr
u2home.co.kr
u2home.co.kr

Certificate

The complete raw certificate details for u2home.co.kr in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAxqq0JO9RaufMi5pIzawm
mLODXY73tgN8Egb4Sm7UjtAFdXPb1cstNRnS4kTtjDiDrovngJBNYK9TMDhgC/Gg
jRGFCLvtygekKvlYja1VNPbx4KYy61RbWLlY0kt7ICvICQDO6nunI5psFCy62ZUS
6dy/lDnoaMqFUWF2NdWXdg8w4dHCt1xnQLPcPQjWYIp4W4TAZeYy4yiJib0Gqyo5
FDKa8+x6p/tuLOdLfS+QkHM/3jfSVbqxHljMYyhSQSdEPinCd/oxSy1eA0gU19YX
SD8xbECMhQqHy0zwX7m2TN/z7GHQCSWxz5b+ximMasgjXX154p9wvsddhGetkn1L
RwIDAQAB
-----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 405674824367313460558796587726103535996765
 . . . . . . . . [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 2020-03-10 15:10:03 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-06-08 15:10:03 +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 'u2home.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 (rsaEncryption)
 . . . . . . . . . . . . . . . . [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 25079361509443292081501548211453143578277742709158197318224329046734262666404068614280397819818962874853892070147811443242849548135004609131638329709663386145453986864825297209863420911223942822406321112631711163689056819818968898249473922588061386756894964664407961978618385576543657667022907682453978419314444272987314812740549030878175834723117587576343812283215734663139958185400915803982828092736828753865829551234918069643300958483980568713605703738028663098175188169681047685835528655314828257109657949667566013444874064218413962132122203200724065689426228942434235318290620836779633592848214527622333350103879
 . . . . . . . . . . . . . . . . . . . . [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)
							8f7eefb5aad537d41442e988f61eeb3a1ad7ab5e
 . . . . . . . . . . . . . . . . [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 (50 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'm.u2home.co.kr'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'u2home.co.kr'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.u2home.co.kr'
 . . . . . . . . . . . . . . . . [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 (243 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (240 bytes)
							00ee0075005ea773f9df56c0e7b536487dd049e0327a919a0c84a11212841875968171455800000170c535d0820000040300463044022062a0aae6b4df658ae1c1e60fee6c694e5ce6eb9249dd58c85cb411f53b6bdedb0220386f7471260911f3c58f9ce5b399ec75514ad3cec7f69071529bd2e3c95686a800750007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c00000170c535d0a2000004030046304402202aeb33fc14e1b62d8a53e257c8b64e19b7c204a078d84dcd65b57a4a35d3a3e4022078cf1c4265b4e32bde740ad761f3e9ab5a8755f72a9f73f021fa81d263d72131
 . . . . [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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