mail.direct-law.co.kr

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:b1:f2:bf:d2:e2:1e:0e:c9:30:e3:17:4b:66:1d:52:7e:3e 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=mail.direct-law.co.kr

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:b1:f2:bf:d2:e2:1e:0e:c9:30:e3:17:4b:66:1d:52:7e:3e
Serial Number (int): 409001791852947908333260788843884009651774
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 1c:18:8b:74:d9:3e:41:90:0d:94:8b:bc:c7:24:0d:80:24:bf:b9:44
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 09:86:1c:e7:d3:9f:db:75:9a:8f:d2:d0:3b:e6:93:99:e3:f3:38:bf
Fingerprint (sha256): 76:ee:7e:ad:a1:9e:ee:d8:33:53:dd:a8:37:19:15:7e:9c:08:dc:6b:b2:28:c2:c5:2c:fc:cc:a8:b3:8b:46:e2

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 mail.direct-law.co.kr

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for mail.direct-law.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

mail.direct-law.co.kr

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Certificate

The complete raw certificate details for mail.direct-law.co.kr in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA+XiCpsP7ECULE7f88zcg
jALKCzDuxavtLC0477NiuDJBRhCnluIIzpv4vbE7ggrsWdKOG6Dr+aBkQjqR1PgN
5I4rtK3wMg3iakLhs0HPa0OFt7OF0gYY9pBKGwj9JaHd3EH04RTHyTen0Z1JHMzi
Pzk0+nh3k2l7Vfwvns7HZZJ9Xi3PzvOGaDeICGLOONSinaFlBBnv/mStTF0TUURJ
Ve5yOWxTqFXHw1yTI+madmXFeouZ0T3T2AZstTixls61+qOCulEthX3wSCdEz1Hc
9altPm3bUkkmfo+ngp/oiKDvWPkpo9RllxWMp7+pqbhTS8kmb/2j1qLNdG8Okx4I
5wIDAQAB
-----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 409001791852947908333260788843884009651774
 . . . . . . . . [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 2019-02-09 16:04:34 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-05-10 16:04:34 +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 'mail.direct-law.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 31492763808487079553706933512880530079102458318306670078087199427258616679446898431791622848924133484208339830735240159177319612430872174257820111082040038623434686104390672692192159016307279330126051796947686413257114590148536706500520474983662587435698354730433504323318855063204122007247489702344752280927576135987372042227742221814072872961175352083789591435020686384790732071550798237632997751184129436180441713929486155159457426216529938776859953556155546658982173595513177926881198902768269898203555745064312523220231915530404214881115871597600318647591873381464018808515328208021534189691627228259853600164071
 . . . . . . . . . . . . . . . . . . . . [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)
							1c188b74d93e41900d948bbcc7240d8024bfb944
 . . . . . . . . . . . . . . . . [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 (25 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'mail.direct-law.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 (247 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (244 bytes)
							00f20077005581d4c2169036014aea0b9b573c53f0c0e43878702508172fa3aa1d0713d30c00000168d337c6250000040300483046022100de49d2814320419e13d671edaed03a407dcfff07d0ecc7e3612a7187deff24e0022100ca05bb7abff8e8e55ce3693a60e23f58b6ffe1bc5ef560eccf76031b0000cea000770063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d00000168d337c6120000040300483046022100c4e0e9d3ed5d88d5795100f10692017af8a803a4e773417571aa6a8fad496b36022100e3cc9b2f633d667878a98ebd5a9c7b104c0739d5f0117ec6e257a0048c3cd6d8
 . . . . [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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