u2home.co.kr

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:e9:cc:d6:c2:84:28:98:af:7d:79:17:2f:64:6a:9e:8a:bd 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): 03:e9:cc:d6:c2:84:28:98:af:7d:79:17:2f:64:6a:9e:8a:bd
Serial Number (int): 340894926895785395764175957246522712558269
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: f1:cb:3c:b4:a9:c3:44:f2:77:59:99:0f:f6:33:25:4c:4f:b5:65:bd
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 93:62:bf:b1:f7:31:40:db:c0:b2:54:f9:8f:56:6d:46:e5:65:bb:96
Fingerprint (sha256): e9:30:44:52:9e:66:9a:57:0d:a2:28:06:d1:52:bf:3f:25:72:af:25:61:b2:74:a6:2c:75:bf:9b:b6:12:22:be

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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAqeJKVuFoDrGpyOU2SOgS
8SiphquGdW89c0d9G2EgcxQjSpGab6sEiuJbGAHiV0dAdF1lWjcklEqGhAjro6Dg
UTslDtSd1pLHHwKYsYwlMAow8trx+g/Gas4BdS2S7zcC7toVqn3hcNAV1+diJLd1
vhxE04o2on19bOPggicWdKHQbbQSBc8fi3n67iyBJVjHO0H7i7zdNFP3HSwhl4ta
GWo1ralcvhETft0lb41qicxRjlLCvy/SUPci/9rH6RAWboVuOHSD57wL9zx1UXDz
LfWtRtkj0uCSqZblYymsmeAPk6RLzu7PcJswJjlZgoh3AnpfS7zl7v8tBUS9RBGT
swIDAQAB
-----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 340894926895785395764175957246522712558269
 . . . . . . . . [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 2019-11-09 15:04:34 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-02-07 15:04:34 +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 21445861488620781919149066557487748757430328505740939036595613414770033590654156074896594736445321729584141995218127923015337209567693709176921925084810691779174380823059963152498259517701475050320564216283444385684455651786099381791353481216955754266486704385166429494038707729092320090132092121968418119837702770046253168540792900287840521167086854969044173894386353842781201681062920805077766702015639005596582065171914962606800871839987398713459983610127939064636373098332385925282522222851229610165924155174645826637425602093091289535272964732560202590762912213724001605640099083342866007762328245152259723334579
 . . . . . . . . . . . . . . . . . . . . [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)
							f1cb3cb4a9c344f27759990ff633254c4fb565bd
 . . . . . . . . . . . . . . . . [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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f1007600f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb2730000016e50e8f4020000040300473045022024c22540d2db10b2ad8ba925a5117d388e3f354b8353d5e4b650a0c6615f76d6022100a2943b66c945ea47a99ff912f224598f4f8fc92d830ae750b15c3e116237c30a007700b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016e50e8f3e3000004030048304602210098c0e75c2a2285786c4fea0a664a93395aa0eeefcc29987dc13dac8530ed502a022100dd56548b986b056c2c71e6ae4780983aef08ed24b36bac58a48acb902c3e8a1d
 . . . . [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)
		00241fb20abe0f16b94ccb2510e8d90c089d8a7a27b9216366d64b95700dc57a73fd04a48c42f53e3259b87394efb5a888343f62cc34bb009584bced2feb23540c4056a33467e87f41a7585eef55e54e4b4e333ed0af50abb2b8d56d3af0d08cba8f04e69a51e3ceccba92dba61c45c7665df937c283adb353fb3f486f1bce65c9fee90663bd4a11e627743d5d178fc56612fa95decbab6f31b7605312292bcf8e6c50510ac2eee1e9f9c87e6fcaa31c1b9a89d9384ffb2343f4c65b211a38947c94dc594e992c958b2fef804dcd4fdaa949223b86bcf206d84aa38eab4d7ccc6e7462bad847e0e4e6ddf3d4df2dd434d824368441ec1ea00404192f1cccfcba20