numata-kids.com

Issued by R3

About this certificate

This digital certificate with serial number 03:cc:21:e9:ec:14:cc:ca:e3:aa:61:3f:76:10:0e:26:0c:04 was issued on by Let's Encrypt.

With 2 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:
  • DV certificate contains a subject common name, this is not recommended. If certificate policy 2.23.140.1.2.1 (CA/B BR domain validated) is included, only country and/or common name is allowed in SubjectDN. (BRs: 7.1.2.7.2)
  • Subscriber certificates use of Subject Key Identifier is NOT RECOMMENDED (BRs v2: 7.1.2.7.6)
  • Subscriber Certificate: commonName is NOT RECOMMENDED. (BRs: 7.1.2.7.1)

Certificate Subject

CN=numata-kids.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:cc:21:e9:ec:14:cc:ca:e3:aa:61:3f:76:10:0e:26:0c:04
Serial Number (int): 330799539764477737257262160568144617671684
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 41:ea:1e:ba:eb:28:ce:0d:26:2e:7d:cd:7c:b4:81:5a:d5:46:9a:02
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 0b:11:3d:ce:83:1a:78:01:f9:27:5f:6e:1e:27:5b:09:a7:bb:39:de
Fingerprint (sha256): d4:39:4c:9f:d9:37:6c:70:41:5c:c3:7b:4d:90:d9:cc:0a:c0:23:84:ac:78:52:d0:e9:81:1a:2f:05:c3:4b:44

Issuing Certificate URL: http://r3.i.lencr.org/

Revocation information

OCSP Server: http://r3.o.lencr.org

Check the revocation status for certificate numata-kids.com

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for numata-kids.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

numata-kids.com
www.numata-kids.com

Other certificates including the domain name numata-kids.com

(limited to 100 certificates)
numata-kids.com.ocean.or.jp
numata-kids.com
numata-kids.com
numata-kids.com
numata-kids.com
numata-kids.com
numata-kids.com
numata-kids.com
numata-kids.com
numata-kids.com
numata-kids.com
numata-kids.com
numata-kids.com
numata-kids.com
numata-kids.com
numata-kids.com
numata-kids.com
numata-kids.com
numata-kids.com
www.numata-kids.com
numata-kids.com

Certificate

The complete raw certificate details for numata-kids.com in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAuZrijp4QKyovDNBQFlRA
cTqy44INUbSPffFuG5l8V0QWyYMEJtecEYj8RBOihdyX0f976SbJCxECsCfWU743
Cgsvsuz8Io+F3+9RcBPD+8BxtYI6xGvkxV6UcQAhhCzYvSpnf9OF2b2JaIiSFbrC
f8d/1aBteojUAp4selnG8xR4q3GS7yY4uZEdWo5lNtisQtnKOFK5qG54u8VJFHFC
L96mkZjI/AzYvOQqSXhO+9TfHOyzO1AS4GO329opdiLIBRKe+QHxtgSg8GVJo536
nU5uIt54GtWo8sp5To9U5KB1GwTMtWtm7rjREsOa00EH/vfL3vEfKBV7eaN09XQv
ZQIDAQAB
-----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 330799539764477737257262160568144617671684
 . . . . . . . . [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 'R3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-11-14 00:28:22 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-02-12 00:28:21 +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 'numata-kids.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 23430463053229850377342622677884707005391775816595518204327560484485007255022510938293802975332525842136897841404252261822092872380418907549986941080366641979566509423821408599935189374543175663673435355419217195944604030529389388143523616184561840962290995119959142025720932902165381299160665256534447278210492493193934155748505622464057425817185085647103888802024279760893590112619493483432680166521090660713409608663821841073762883541084848202243792418073344314312535155859710145665894898154618565194133831320126828343199651688419198992820935893485644176064714461501826240964571971191252980096131689594238304268133
 . . . . . . . . . . . . . . . . . . . . [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)
							41ea1ebaeb28ce0d262e7dcd7cb4815ad5469a02
 . . . . . . . . . . . . . . . . [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 142eb317b75856cbae500940e61faf9d8b14c2c6
 . . . . . . . . . . . . . . . . [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 (73 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://r3.o.lencr.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://r3.i.lencr.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 (40 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'numata-kids.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.numata-kids.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 (12 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 1.3.6.1.4.1.11129.2.4.2
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f000760048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018bcb719f12000004030047304502210095d43437a8ad186b1c3f0ba84b0f1b9cc268a47f6eb9a654c3f34bfb50ba6f8002205eef266aa916f43fe30214db830c7a59a70520041ef02aae5817375b357cab8700760076ff883f0ab6fb9551c261ccf587ba34b4a4cdbb29dc68420a9fe6674c5a3a740000018bcb719f5300000403004730450221008abecb445160c70dc832ad107cef6c6b406aa118447a6bc720df04a47b18f55f0220748590c3c16578f87dc67e7f3d930d7a1fdabe70e3e8c476373b6d7a6208eece
 . . . . [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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