www.nddco.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:1b:01:7f:f8:00:63:ea:f3:49:ba:58:5c:16:07:d1:83:a2 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.nddco.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:1b:01:7f:f8:00:63:ea:f3:49:ba:58:5c:16:07:d1:83:a2
Serial Number (int): 357638761313671648698111902953074714575778
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 8a:7c:09:5e:07:25:62:7a:80:f0:22:86:97:6b:96:7b:94:1b:ac:b7
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 64:e3:c4:5f:98:36:0b:f0:be:0e:72:54:d5:b0:7c:e2:ae:3e:e2:84
Fingerprint (sha256): 45:d5:81:bc:d9:f6:0e:66:84:ba:df:ad:45:15:74:70:7f:c5:c3:04:2f:79:ca:86:04:33:c7:0e:f9:b5:da:59

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.nddco.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.nddco.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.nddco.com

Other certificates including the domain name nddco.com

(limited to 100 certificates)

Certificate

The complete raw certificate details for www.nddco.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 357638761313671648698111902953074714575778
 . . . . . . . . [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 2019-10-12 03:49:29 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-01-10 03:49:29 +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.nddco.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 881317310280715664856616039962419355515934355241480103315673907725585345860811112241478116705905217137171487624192634633896374471399829743046310631213354597234962699632995837705382497901479669961342504334095067567770615004307945386876439583434181056446530788660329241450091079294613375807539229131601516098025993160454667072785970171001132548819525794159894926387741669138756149829850394486991976306189338499590689067276184624354419412754717415656701612133371786907196751569503770209954100395572109116004059819662659034894138231176233170028712845346938302796142724639871172469321315977717434291939523110676207092047444785519902619061917528539870660884638258858256162857423723046097021692939729075753786695408459317063767276256932305100174928352118767128243676667234863995292112224194181814226522234667963424875641211887267818456225819558895491432359309900961177262342534585408849923145489225715361740353857047977477826434049740911648967566056407914168870376363382708447964059949872568743203787361577843635538089965046519894280613131818640066684335744435982263056090807793138897876796421862743306756837178391801357989552850514287103586903588173869558778721194257772979131627662656862549073567644171736873312377514667018698030717828667
 . . . . . . . . . . . . . . . . . . . . [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)
							8a7c095e0725627a80f02286976b967b941bacb7
 . . . . . . . . . . . . . . . . [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 (17 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.nddco.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)
							00f1007700293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016dbe4cd3eb0000040300483046022100fcad70d16d759b2d57840b562179503f27f2200f77a18858276914058b6ee23f022100d63ceb8e4dd6a8178d091f87c5a895ada5eac6eb42c05a108ffa4cd1e5f683ed007600f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb2730000016dbe4cd6130000040300473045022100c6c425fb53ee4334bab6257154c7539f8619c33b020d4c58c240fbbe2e2c71af022069c8db18eaa79276b2eedb8a1f205a4249267e2f97bb550e33f1ce5bc7b2d82a
 . . . . [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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