www.seoultra.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:2f:4c:77:f6:41:8b:f8:62:79:3f:d8:9e:50:ba:20:6b:52 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=www.seoultra.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:2f:4c:77:f6:41:8b:f8:62:79:3f:d8:9e:50:ba:20:6b:52
Serial Number (int): 364544059177996825376837798607493485587282
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 04:84:0c:c4:32:c3:83:7a:27:6e:64:4f:76:fd:10:92:81:b2:75:f0
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 16:eb:c1:8b:e6:1a:51:a4:ef:02:fd:da:c3:54:ec:f8:ab:06:68:2a
Fingerprint (sha256): 7c:b9:f3:97:93:c9:60:7a:bd:5e:d3:f4:b7:6e:06:b8:44:84:ec:26:8b:d0:a3:49:d6:40:f0:1b:bb:0c:3f:f9

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 www.seoultra.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.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

www.seoultra.com

Other certificates including the domain name seoultra.com

(limited to 100 certificates)

Certificate

The complete raw certificate details for www.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 364544059177996825376837798607493485587282
 . . . . . . . . [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 01:37:09 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-03-16 01:37:09 +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 'www.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 955954344436391733709006100678084336360505300862430130546237163662052132412947276482414757539724822724048054472768822061939689972715006301899835335545997910109355313283897682387208167033338738590713281882564125825168638550368406556018921067576690825825621808460038935656523035534705713962163276575710171263199833107417414214686032370045043740721734516895598722392499362353617575395426258036277106845377755345971700872583476356965694383782357695427835277499025685368790216318679632064081352795659952005149954256168126279078688221062342796401938200870953396362968918405935778719040589639803917907310941139270172386592753586677531027072586900523370634241220729672107909931522896558334506320463082648412755945439364835861485357319464820623319329632738382308444227555177255798556567875755590929609248819057661765325747449470408964321787143530047747766960119419221412973933736449015251035963583849071581176500546436689879172293548130494226674333101692098980943240021196720297783176704981749271390220290003714166006112093655836764225438054322879747595801702760629623807344301861865960868860733742116244098355261032858050448311212210201046295404608387881546319175951443428381796110728833435423607829797424189066511013381448104008534946240811
 . . . . . . . . . . . . . . . . . . . . [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)
							04840cc432c3837a276e644f76fd109281b275f0
 . . . . . . . . . . . . . . . . [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 (20 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f10076005ea773f9df56c0e7b536487dd049e0327a919a0c84a1121284187596817145580000016f11b767c00000040300473045022100f9b26450ee2b7e1f59df87419a701c7f7d8e0f0a17391b5f1eed276d94578fd80220083b96b4b8b0f0a5ae05d5e97dca2453eccd5e315cd0b52c53f6abd446a59bfa007700b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016f11b767b10000040300483046022100884e88e3d750a1e19bfb2fe8ea980e6c29a4d7c8d0e97ec8f392da307931102e022100b48c399be5f35b77d642c94dfba901924cf2437d97d3e1a5de078e10a38d5978
 . . . . [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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