u2home.co.kr
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:91:87:2c:a0:03:18:45:6f:fc:22:37:c1:6f:64:ed:05:e8 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): 03:91:87:2c:a0:03:18:45:6f:fc:22:37:c1:6f:64:ed:05:e8Serial Number (int): 310857478484740288974079737172694609495528
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 70:b1:46:f8:84:5e:7c:58:77:51:a4:e2:ed:f1:9b:f9:3b:5f:d6:51
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): a6:02:cc:66:0a:1f:79:52:0a:b3:61:28:6b:f5:51:a3:12:09:fc:58
Fingerprint (sha256): ec:28:34:f0:fe:a9:e5:c7:5d:7d:0c:14:36:a5:65:e2:fc:9d:f8:e4:25:c6:21:64:46:30:0b:b5:b9:97:1b:59
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck 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
u2home.co.kr
www.u2home.co.kr
Other certificates including the domain name u2home.co.kr
(limited to 100 certificates)
Certificate
The complete raw certificate details for u2home.co.kr in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIFcTCCBFmgAwIBAgISA5GHLKADGEVv/CI3wW9k7QXoMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0yMDAxMDkxNTA0MzNaFw0y MDA0MDgxNTA0MzNaMBcxFTATBgNVBAMTDHUyaG9tZS5jby5rcjCCASIwDQYJKoZI hvcNAQEBBQADggEPADCCAQoCggEBANAtOM5O0+LQTUl942JOIV2zJvVyDHWQZYaI zDdmDJRV4EoSc3BP9LIVMjyp5bzhI0tFcJVT97g3Q4hLxCB1EQA/9Rrc458fX4+s PwDUIbebRXhfFJ1y+phWBPojfh70Vg1BDAESla8UeZFAEN4ous0YFE1VESpPaA52 lhyD6j83rAzSsYlkSE0Bs1Dim1nOXLp7zUSzBDG3nieaaPE8QTrEHBJ6atTPddtb tsZusNnicyxfGky+IGotpaUx3lRxnLYkV/VXm13dhiapfVZ1Byle36isYVKAZW4+ 5lfbhIw52iPfz8QSxvvVN4rryidq+gSKZqWc5CAB8N2Dww5RO9MCAwEAAaOCAoIw ggJ+MA4GA1UdDwEB/wQEAwIFoDAdBgNVHSUEFjAUBggrBgEFBQcDAQYIKwYBBQUH AwIwDAYDVR0TAQH/BAIwADAdBgNVHQ4EFgQUcLFG+IRefFh3UaTi7fGb+Ttf1lEw HwYDVR0jBBgwFoAUqEpqYwR93brm0Tm3pkVl7/Oo7KEwbwYIKwYBBQUHAQEEYzBh MC4GCCsGAQUFBzABhiJodHRwOi8vb2NzcC5pbnQteDMubGV0c2VuY3J5cHQub3Jn MC8GCCsGAQUFBzAChiNodHRwOi8vY2VydC5pbnQteDMubGV0c2VuY3J5cHQub3Jn LzA5BgNVHREEMjAwgg5tLnUyaG9tZS5jby5rcoIMdTJob21lLmNvLmtyghB3d3cu dTJob21lLmNvLmtyMEwGA1UdIARFMEMwCAYGZ4EMAQIBMDcGCysGAQQBgt8TAQEB MCgwJgYIKwYBBQUHAgEWGmh0dHA6Ly9jcHMubGV0c2VuY3J5cHQub3JnMIIBAwYK KwYBBAHWeQIEAgSB9ASB8QDvAHYAXqdz+d9WwOe1Nkh90EngMnqRmgyEoRIShBh1 loFxRVgAAAFviwzeFAAABAMARzBFAiAYD9+SNerroS4LVmSHaeYGWs5j0Ose/l3I qkYrpVsNQAIhAMiqP3+C8uyAO7tVuWuaYAg5Xa/2ItqSarbEWq14PY4mAHUAB7dc G+V9aP/xsMYdIxXHuuZXfFeUt2ruvGE6GmnTohwAAAFviwzeOQAABAMARjBEAiBE XEqCM+5Qi5L60wq1jKT0g/ta7YDpvbv4blHu7gY/7gIgYxcJQ0HoKPiGdpZTlYnQ rE5gzVouNt0Y5pUdFeZBM1QwDQYJKoZIhvcNAQELBQADggEBAI+Z7tjSF2bTR1g6 8qk+j/eC4Cfgp5k/ds+a+lsmZiQfmMGEc34lEZMoGUi9fiE3zGS0Z3mj/grQOeTQ k947vK7q33RAevKdA4AD9/BMvJvNXhKlGspP/JTr92+fN5QjL1gPxK3VgezXq3nw W0asbmXmQImEusami4iy4H/glhwW8GD5INt1j/mtDSlsRzN6dr/KGTpdJ/rIa7kt mcMixgmDyDG9ZpnV37yashUAOFRpG2gDAJzGHklW/fu8X35pjjQAGHPaK3/SczhV kgBICFwhcZVeBu0ywMpmCc2FKEsehzUGC02h6KhbgydNa9LN7j4d2sD7Isoa1HxC N8czU4E= -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA0C04zk7T4tBNSX3jYk4h XbMm9XIMdZBlhojMN2YMlFXgShJzcE/0shUyPKnlvOEjS0VwlVP3uDdDiEvEIHUR AD/1Gtzjnx9fj6w/ANQht5tFeF8UnXL6mFYE+iN+HvRWDUEMARKVrxR5kUAQ3ii6 zRgUTVURKk9oDnaWHIPqPzesDNKxiWRITQGzUOKbWc5cunvNRLMEMbeeJ5po8TxB OsQcEnpq1M9121u2xm6w2eJzLF8aTL4gai2lpTHeVHGctiRX9VebXd2GJql9VnUH KV7fqKxhUoBlbj7mV9uEjDnaI9/PxBLG+9U3iuvKJ2r6BIpmpZzkIAHw3YPDDlE7 0wIDAQAB -----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 310857478484740288974079737172694609495528 . . . . . . . . [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 2020-01-09 15:04:33 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-04-08 15:04:33 +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 26279867181971480674071585001055561725380028436984452214495411946742700029121052262724327956175242800367686598495596397851964969946741547896032208732530848372651815452730455860427513705489461667816975309055723792924750079118289330221909157500877563243400084918499440512881695403296998335455395881469889292351216784278557362619179080181640779345878187951520307482099747385419138617487398387771221612009127865673754138206090684453659814457870678798283388403121645555611190568494153438616111909525401089172105128550739722925931298241184406351358864458060944315592930751457017685413106639006404026975920181264055146724307 . . . . . . . . . . . . . . . . . . . . [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) 70b146f8845e7c587751a4e2edf19bf93b5fd651 . . . . . . . . . . . . . . . . [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 (244 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes) 00ef0076005ea773f9df56c0e7b536487dd049e0327a919a0c84a1121284187596817145580000016f8b0cde1400000403004730450220180fdf9235eaeba12e0b56648769e6065ace63d0eb1efe5dc8aa462ba55b0d40022100c8aa3f7f82f2ec803bbb55b96b9a6008395daff622da926ab6c45aad783d8e2600750007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c0000016f8b0cde3900000403004630440220445c4a8233ee508b92fad30ab58ca4f483fb5aed80e9bdbbf86e51eeee063fee02206317094341e828f8867696539589d0ac4e60cd5a2e36dd18e6951d15e6413354 . . . . [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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