kr-blog.gihwan.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:97:81:c6:dd:2a:fd:6f:7d:f9:55:44:fa:d2:e2:d3:d9:14 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=kr-blog.gihwan.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:97:81:c6:dd:2a:fd:6f:7d:f9:55:44:fa:d2:e2:d3:d9:14
Serial Number (int): 312891998172395231692080541720976104347924
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 9a:d4:5e:fc:48:54:d2:0e:dc:ae:7e:36:bb:64:6a:a1:f0:59:f5:ab
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 62:b9:7a:a6:fd:5f:01:fa:08:9b:52:af:d3:d5:57:85:57:46:c7:86
Fingerprint (sha256): 6a:12:e4:a0:66:b8:a4:38:ca:84:90:57:f3:ea:e3:93:2a:fe:38:13:18:1d:82:1a:da:62:d5:20:6b:c2:5f: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 kr-blog.gihwan.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for kr-blog.gihwan.com

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

kr-blog.gihwan.com

Other certificates including the domain name gihwan.com

(limited to 100 certificates)
link.littlehome.kr
admin.contratazap.com.br
www.gihwan.com
kr-blog.gihwan.com
elkady.dev
www.gihwan.com
kr-blog.gihwan.com
offer.fasteats.app
www.gihwan.com
kr-blog.gihwan.com
kr-blog.gihwan.com
kr-blog.gihwan.com
kr-blog.gihwan.com
www.gihwan.com
kr-blog.gihwan.com
commulog.gihwan.com
samlord.co.uk
auth-admin.visitationswebben.se
www.gihwan.com
admin.contratazap.com.br
divino.caazam.com
samlord.co.uk
kr-blog.gihwan.com
www.netincomecalculator.com
kr-blog.gihwan.com
kr-blog.gihwan.com
discount.fasteats.app
www.gihwan.com
goproteus.com.br
www.gihwan.com
elkady.dev
shipshapecoastalinteriors.com
commulog.gihwan.com
www.gihwan.com
igelino.com
keybaht.com

Certificate

The complete raw certificate details for kr-blog.gihwan.com in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAzVqmMmBPZDH9EE77VcTs
RjuNwUR4lYeqgI+qu7d7MIPy9Ea+Orp0EJk+LcdPurFunkbpIWhSno0ZVVGij83U
PCVPWC9RH6nKn3qqBTiI0ncTl4d1C2dfGVDP2nbWJ6LAVXOLNoCVPV3Varht3EHo
v6LgimHQzix5OGNMzTnSGVRuKq6Og2Ovd+4fP/fbILTney5kVTlVGSwdBvLITJ3T
S0d8UD3+FFkbp8uG5mZCwocR5yI7rOUvUz553dhmS3aaycRtSXwGt+9OEfKfxQoz
VZpFyJcNUUP/w22NOLt7OHy/mqyXCXingUsSv9B9gr2arHrj79K29by0apwGVYaM
hwIDAQAB
-----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 312891998172395231692080541720976104347924
 . . . . . . . . [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 2019-11-19 20:40:52 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-02-17 20:40:52 +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 'kr-blog.gihwan.com'
 . . . . . . . . [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 25923553307630610991880540533962103968960624807265572143878292889784602412442637092982877825708031182931244837343223285127571625064701549206403785516616875321394731254596553970461788143838792190736879728305984588550578328137861397159362773107688520483172520935561804127922035878756567621824941391311048363963327747217137171032901830255872691078198453742371312588321310824798801546985880952834308234108511598006130183452057967420252183698547046539846263665756079569947833189179205068763093475962864400196633922560885732327425064938163467751284786826380252607183943447806432686913107000585201089804279323748863813520519
 . . . . . . . . . . . . . . . . . . . . [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)
							9ad45efc4854d20edcae7e36bb646aa1f059f5ab
 . . . . . . . . . . . . . . . . [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 (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'kr-blog.gihwan.com'
 . . . . . . . . . . . . . . . . [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)
							00f2007700f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb2730000016e859c6f4c0000040300483046022100e2ba8ae62fc577cd91252f405b3376f8fcde7dbb9b11595d666b6c718b29841f022100a4084919ac78082baf686477b33111364069c102e9100691386c02e55d3371a100770007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c0000016e859c6f6e0000040300483046022100cf6faf16de9239fdb922df686c1136db339eeca6b45707216018d6cec300052f022100deddff22e8bb6df369754492973ba05c57008bdd933c4c585a1656df450477c4
 . . . . [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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