seoultra.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:5f:9d:52:a8:5c:f4:ba:12:eb:27:d1:1a:82:5d:cb:c7:c7 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=seoultra.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:5f:9d:52:a8:5c:f4:ba:12:eb:27:d1:1a:82:5d:cb:c7:c7
Serial Number (int): 293872800631260069273535980874878769940423
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 89:85:56:ee:eb:1a:ec:14:12:b8:59:1d:84:59:5c:e1:fc:b7:a3:ef
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 40:30:a9:90:ad:1f:5c:d8:bf:09:a6:66:f1:89:9d:1b:02:24:9d:ac
Fingerprint (sha256): d4:b1:84:01:49:6e:48:dd:7c:15:e4:c9:3c:8e:ca:50:3a:ec:c5:eb:66:66:1a:63:9c:fd:ef:f1:fd:53:b9:64

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 seoultra.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for seoultra.com

Public Key Algorithm

RSA

Key Size

4096

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

seoultra.com

Other certificates including the domain name seoultra.com

(limited to 100 certificates)

Certificate

The complete raw certificate details for seoultra.com in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----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-----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 293872800631260069273535980874878769940423
 . . . . . . . . [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 2019-12-17 10:24:44 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-03-16 10:24:44 +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 'seoultra.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 (4208 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 936978543952278828587176369315053707179411579034460243698392115004420967090530693609435008258405450422403895238023349603889638428346259174313309277006438961496857230229796738208864096311723645731611945304772610723069143473765792254954902383024979713569744125597843211214400666537791362476863377224557400549608776520847128473262986590708378178110465084382370080395107327217474174547666154491817513739281751196617044571017976100238837340569209711612227021574785549866288365996571712022095404769439909055998579161220526678343195719752801562502611482132801421739172906921354617267589222809652629197768613158337470989508291470234523559438004093678071461851071191590529662170043840246683815371604232787185607282992019395139063065863409482261055503956745039703435532261651600324889807456872803601565164157292712778308169901040465500444356710154494337047296855190622204991123338672670539822075746791605043204653575554585123044949310177117638678352982778516473663519078649083539184525710829671444572297023872042953420964521025286723090663812056173370940546342118260374730892053613800138417341112946802996050447951137880697459149637949076498402253381364625343674382809527609841488031594649975376793974269006326023600065490588609523354339170759
 . . . . . . . . . . . . . . . . . . . . [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)
							898556eeeb1aec1412b8591d84595ce1fcb7a3ef
 . . . . . . . . . . . . . . . . [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 (16 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'seoultra.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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef007600f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb2730000016f139a69d2000004030047304502207824b6efdaacb03d005ede5cbac15ab9710a1bf9e972d8d92a053137dc29f31d022100a24383dff2b11ec57f3033f601ff84a6426fda7f30771ed4d923fdf760727d38007500b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016f139a69c800000403004630440220475c46190c893abc2d7ebee2d2a18a10d81bf4ea8345a7e06bc5bbde91eb2e580220321fcdf364e1559a4f17cdfd5414b6f794f61487099470e2741c7fb30980aaf0
 . . . . [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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