www.narrowstep.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:e2:51:ef:04:d9:87:f1:7e:86:fb:1f:fb:0a:ab:7d:91:2f 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.narrowstep.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:e2:51:ef:04:d9:87:f1:7e:86:fb:1f:fb:0a:ab:7d:91:2f
Serial Number (int): 338349581244384822797261374616483405861167
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 47:c6:4b:49:34:8a:7e:68:2c:da:bd:d4:72:29:5a:3c:77:b3:a4:4f
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): bd:81:ca:3d:d6:6d:cb:d1:a4:e8:ed:8c:1f:88:fd:ab:48:a9:cd:b8
Fingerprint (sha256): be:cd:1b:5f:c7:8f:32:e0:38:aa:93:73:3c:2a:3b:08:32:e9:95:0d:fd:58:b8:d6:9b:9c:f9:3a:4c:28:49:c7

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.narrowstep.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.narrowstep.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.narrowstep.com

Other certificates including the domain name narrowstep.com

(limited to 100 certificates)

Certificate

The complete raw certificate details for www.narrowstep.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 338349581244384822797261374616483405861167
 . . . . . . . . [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 2020-02-21 08:23:34 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-05-21 08:23:34 +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.narrowstep.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 803001777296362451795116582258820247428597026164526765884761697273029093925358771612011779129130221920784953386823453144292870582191146574944034743711134286682639121308135716355006882687293295251902020495131416396909477528129725733400623611806882790849907622280639597430661505700626809078916412066681515772844581801228585983249204765584682015869356514659588345202896859887565590911012467045154358504961716853597071793940092753792863323061579585287361033359920929550812284231137557459711287897038881921722540365406096657824357617214045014499867435465831813171524606819490674884379578289395303127801305718649305997944862171296795232935050536647874491364457599474075758867506241737864048273323051558349053317791780705040711174807859578015180784673910780621162776183906755996944202656521160482859361887482908102028595123283121946081255856321696850894162786517761602803599580749706461532823978207469910583296326502188119607268416913471247654832364620943636811987605324757747945903919708500739510042610116999520065825899774821669826931556202185726026299792226878994456157577109109511850678018635901734573116744734317030613909468816846489507909409192645112635670752064345621155270397919182417505448179009501187933810152262578276043538362257
 . . . . . . . . . . . . . . . . . . . . [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)
							47c64b49348a7e682cdabdd472295a3c77b3a44f
 . . . . . . . . . . . . . . . . [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 (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.narrowstep.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 (247 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (244 bytes)
							00f20077005ea773f9df56c0e7b536487dd049e0327a919a0c84a11212841875968171455800000170670f34bc0000040300483046022100f51f48c1d96e2b4a7654c590fe8a42a9561ad15229daec2d7fb490d56891aeaa022100f59faa7f6f5479cea012def8f15ee9a3bb7b08d15068ed53b3b96b9c16de4ea600770007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c00000170670f34e800000403004830460221009a80d099e2aeeec5d599a8358f36707e0559046fb184831c1240a4b205899656022100c668261736e8fb1e96b7597346447f644f1e60258ff9be74595ef9977f3b527c
 . . . . [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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