languageofnumbers.org

Issued by R3

About this certificate

This digital certificate with serial number 03:ff:f9:37:17:cc:e9:82:c5:59:72:a5:58:aa:2e:ed:89:96 was issued on by Let's Encrypt.

With 6 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=languageofnumbers.org

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:ff:f9:37:17:cc:e9:82:c5:59:72:a5:58:aa:2e:ed:89:96
Serial Number (int): 348440125190127945727404326915141817698710
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 5d:3b:64:12:0c:7c:16:7f:4a:9b:80:fa:ae:61:b1:53:c5:0d:5c:72
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 65:f4:c2:dc:24:1a:c6:f4:97:da:92:20:c0:a0:90:2d:e2:cf:dd:27
Fingerprint (sha256): 86:9b:71:99:84:93:58:7b:dc:cf:67:4c:64:7e:df:ce:da:87:f1:ba:f6:ac:c6:1c:76:5d:5c:54:b8:e7:e7:42

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

Revocation information

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

Check the revocation status for certificate languageofnumbers.org

6

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for languageofnumbers.org

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

asset-integrity.co.uk
coffeeflavoredcandy.com
i-10.com
languageofnumbers.org
mawaterfront.com
threadgage.com

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Certificate

The complete raw certificate details for languageofnumbers.org in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAoENaDtpYP47ItMyVUHnv
nX+4Q1nZngdPDzsYyMnVRaqqZld2habgOwAaUAtbUkxP5UVbqs+jkoufPRlqKmTk
6N+VlVdcb8mr8WAi3fTsYlcmZy5pxReHd8jEomeHAlvxkAkIflGv8IxHa3lpAR3S
lY9Mf8/VsZpVWUhthUsUs+R96L2AHaMSxGU+Z2Tzz4AY343R9erzddE+Hkul3nGa
zoNUjI21rblasGGpyOjfD1n6uC3cFURMgxMG2976xg2pw7EC9pdkEL21HPdN93P+
m8vMIZYLDB9WA3QpHv7XtXOvQPVbdC2xdBNpjlfTU1oBV3QwyvrLKeBt9ccs+GHl
XQIDAQAB
-----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 348440125190127945727404326915141817698710
 . . . . . . . . [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 2024-02-20 03:50:48 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-05-20 03:50:47 +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 'languageofnumbers.org'
 . . . . . . . . [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 20231341199636323218039408728934948665428919351671337329084179051939258902978302313931751143671874937938652982577015402663628844568413976370232437370308067872932225949315512598270685834717318748864086499271573536948738672723315081951818807191343060396864954465039213199533330868124356886959806484747743000756256709681231018357898592742450153654665040766699810201666178561772429881982234223202727246882016357190510293730051256804266346065448030877106834122557645451675049823007687264820762427775353012982224598583467794745491861728532773271591211198535096313553598655991733084725940304766559514716167958460129070933341
 . . . . . . . . . . . . . . . . . . . . [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)
							5d3b64120c7c167f4a9b80faae61b153c50d5c72
 . . . . . . . . . . . . . . . . [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 (117 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'asset-integrity.co.uk'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'coffeeflavoredcandy.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'i-10.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'languageofnumbers.org'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'mawaterfront.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'threadgage.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)
							00f000760048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018dc4da29bf0000040300473045022100b57bfb328a7898e41f0dd8e772fa68635cc849696dea8750555adf9a4c9ddedb02207cd92e3db85d5393becdff6e7102a54863056f7e5a617f02c0f0aa970d3e90140076003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018dc4da29c100000403004730450221009ae42d3a89edd81211116366496d8be874a6cd6bd1afb93d1183c3d790b1a73a022056f084fe341fd81dfed9584462f45fcfd866a2fde19def5c007a167dddf518ab
 . . . . [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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