www.nckco.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:2f:83:6a:66:66:9f:cc:40:a6:06:50:0e:45:ad:fc:f3:82 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.nckco.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:2f:83:6a:66:66:9f:cc:40:a6:06:50:0e:45:ad:fc:f3:82
Serial Number (int): 364617096300176430232001437743519249527682
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: cc:87:be:25:f0:9a:00:99:94:0a:b0:fc:d3:33:bd:be:a5:84:bf:50
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 72:55:73:fd:10:65:36:22:08:b6:8d:09:a4:59:2f:c3:9c:85:df:40
Fingerprint (sha256): 50:b3:79:58:37:34:11:49:ad:3c:bd:81:66:c6:71:1e:47:af:df:bd:dd:fe:9c:59:52:01:03:8b:68:65:86:8c

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.nckco.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.nckco.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.nckco.com

Other certificates including the domain name nckco.com

(limited to 100 certificates)

Certificate

The complete raw certificate details for www.nckco.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 364617096300176430232001437743519249527682
 . . . . . . . . [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 2019-10-13 09:35:50 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-01-11 09:35:50 +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.nckco.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 899069692604741595215029637612103729880182207304338772146881998411530208279493930738710732078216841080582326326467404213638491788382585024821834041366100216373995813354277576605791476162960941073909517387632596171197626716173343878815556828323272857081498157106978806437376704004300691413145204885892694309095256522082453454925577363656589032690891913838218962421877526921149700686177731476088388913532061074915407336604695181309104823322176374078060939607945292917014590552303177966787776333544040560345751601690610170085798706066398606367974485030808089366622587875100042669073731630841024900038406515554903509400497598997866176783236845836298052946297947930700439693703654870217675856599107265106565851670878528171090445953710948886978941318938392363424225274830310493537822276147495414438625935928379363253491518661227295275271338402078164279945230740918569256168697361082013340070059332477708154207856032506131035417147418909549329367848091405630457467241081978822700414893021614629840955964977438517960477939320923456409114710795145770151274589851058449584322243636893958879909502631192990098651177300214826456644231553579825169278487060256138446950159189018505457794395261529113615036631786255664850245477416753287836610217423
 . . . . . . . . . . . . . . . . . . . . [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)
							cc87be25f09a0099940ab0fcd333bdbea584bf50
 . . . . . . . . . . . . . . . . [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.nckco.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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f0007600f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb2730000016dc4b049280000040300473045022100e99ffc033527eacd26cc62510f9c9ecd5dc1b35ed7503052e8aa8accdefdcfd9022069e3d30383f1ce5cd04768c8c6d9385782513dc5c78c2b66a740901c430caab8007600b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016dc4b049260000040300473045022012b6176bf75063fa9134da94e6a0008544ac2c6a2bdf1a6b9c26a34bfe7a4a5e022100fd2c76fac6c02a91ff1a2e00bbe1e76cc07b7461e7cc801a03fecc2c01fac089
 . . . . [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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