narrowstep.com

Issued by R3

About this certificate

This digital certificate with serial number 03:c4:15:77:c0:3e:ee:ba:2e:b0:14:c1:37:f1:6f:65:a2:5d 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=narrowstep.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:c4:15:77:c0:3e:ee:ba:2e:b0:14:c1:37:f1:6f:65:a2:5d
Serial Number (int): 328060737282231000146533916124646505554525
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 62:ac:26:1f:5e:7e:52:ce:55:4d:e7:7e:e0:2c:4b:6e:69:8a:fd:02
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): b1:17:99:62:ad:d1:11:2f:96:2e:87:8b:d4:31:b9:e4:5d:64:39:ae
Fingerprint (sha256): 12:28:b7:6a:ed:ce:c5:08:0d:43:d9:34:a2:47:fb:ae:b3:ee:c0:54:87:ef:18:00:ea:9f:82:f8:d8:bd:f8:07

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

Revocation information

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

Check the revocation status for certificate narrowstep.com

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for narrowstep.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

narrowstep.com
www.narrowstep.com

Other certificates including the domain name narrowstep.com

(limited to 100 certificates)
narrowstep.com
grivercruises.com
narrowstep.com
narrowstep.com
narrowstep.com
www.narrowstep.com
www.fintechdragons.com
sni.cloudflaressl.com
narrowstep.com
narrowstep.com
narrowstep.com

Certificate

The complete raw certificate details for narrowstep.com in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----
MIIE/TCCA+WgAwIBAgISA8QVd8A+7rousBTBN/FvZaJdMA0GCSqGSIb3DQEBCwUA
MDIxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQswCQYDVQQD
EwJSMzAeFw0yNDAyMDYxMTI3MjFaFw0yNDA1MDYxMTI3MjBaMBkxFzAVBgNVBAMT
Dm5hcnJvd3N0ZXAuY29tMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA
ycwkeOKG728mZyt5mI65VeWxm1N2Pj4h3EvECGQKGvAgswhq7dVE1TPLDC9m7W3Z
M8cJLU4KpYpTzyp9vv8grA9EeoYh0e4xGMY9pDI8+cLRVpr+n8s75txJo+6NrQxc
eyYBjImB20a15Qx0WCRj2o1KSj3h8gqa35Fw8tISiNzPXtMqaZTo31WGAhym0hPu
sAmuebkEz4x0islUuwhWM8YxJGllSgV6KvDK5eowzxC5K7IgrOURmbcNtyaoTOys
ki1f7HoQUAFndfMOZYaH0co3okiLXHuIUySMZYNoT4Nwn3FFBuqSPc2uBqWBIBE1
B8IcfzCt2ccSVxHh+wUHpwIDAQABo4ICJDCCAiAwDgYDVR0PAQH/BAQDAgWgMB0G
A1UdJQQWMBQGCCsGAQUFBwMBBggrBgEFBQcDAjAMBgNVHRMBAf8EAjAAMB0GA1Ud
DgQWBBRirCYfXn5SzlVN537gLEtuaYr9AjAfBgNVHSMEGDAWgBQULrMXt1hWy65Q
CUDmH6+dixTCxjBVBggrBgEFBQcBAQRJMEcwIQYIKwYBBQUHMAGGFWh0dHA6Ly9y
My5vLmxlbmNyLm9yZzAiBggrBgEFBQcwAoYWaHR0cDovL3IzLmkubGVuY3Iub3Jn
LzAtBgNVHREEJjAkgg5uYXJyb3dzdGVwLmNvbYISd3d3Lm5hcnJvd3N0ZXAuY29t
MBMGA1UdIAQMMAowCAYGZ4EMAQIBMIIBBAYKKwYBBAHWeQIEAgSB9QSB8gDwAHYA
O1N3dT4tuYBOizBbBv5AO2fYT8P0x70ADS1yb+H61BcAAAGNfmMeXQAABAMARzBF
AiEAtHEnF/pO1KRcs2eSp2CRE16dG30Fh4RR0+R2sC1jl3UCIEOKuHpT7YO/jKlt
rUFd3JqafV7ebedaM87dApy6YHotAHYA7s3QZNXbGs7FXLedtM0TojKHRny87N7D
UUhZRnEftZsAAAGNfmMeWQAABAMARzBFAiEAmQURuseO1U6asKeXurL1lTs38c7X
rPFG2Z7ng6mjnloCIEkMlbaPJ8j0s5RCDYrO0O6PBK+3TYlpPZk1xTRI0QYbMA0G
CSqGSIb3DQEBCwUAA4IBAQBeftVUQo+GaZnuQ7DgCk8vFl4q+snFyhc3eZK2mfqC
ovJtU2LjOtRmL3PyKDvrI/kDnTjRk+YAfiepr+MXFCM2Jm9i3HNKx8R5iQAmmwXr
dFU07l7xnhUNpbTeKcRXX+vNsT7D1yQM5FCTJ1wsZy9N1yRgGVbaQQakwB1spP+Y
pLR6MJAwtu6teHWN2Itkf5qtNgKNJuD0o9ur9eAo4tJ4rRSCe+i/kwKk7gnEqquP
YAZXzOQy9nHa7STGehdoHYN+lAlI3sS4As/yj2Bt8EJHeQl3bknC32PR8lndwgZ5
xzNOXDUoVLdKYeFYUxSwL7ePrKHIKTFhRPvJ4QwUWOVc
-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAycwkeOKG728mZyt5mI65
VeWxm1N2Pj4h3EvECGQKGvAgswhq7dVE1TPLDC9m7W3ZM8cJLU4KpYpTzyp9vv8g
rA9EeoYh0e4xGMY9pDI8+cLRVpr+n8s75txJo+6NrQxceyYBjImB20a15Qx0WCRj
2o1KSj3h8gqa35Fw8tISiNzPXtMqaZTo31WGAhym0hPusAmuebkEz4x0islUuwhW
M8YxJGllSgV6KvDK5eowzxC5K7IgrOURmbcNtyaoTOyski1f7HoQUAFndfMOZYaH
0co3okiLXHuIUySMZYNoT4Nwn3FFBuqSPc2uBqWBIBE1B8IcfzCt2ccSVxHh+wUH
pwIDAQAB
-----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 328060737282231000146533916124646505554525
 . . . . . . . . [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 2024-02-06 11:27:21 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-05-06 11:27:20 +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 '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 (2160 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 25474565701804462318729376804760255253708532499905015955695230597807327930284912662149226234686567888586738463704880000478036599155774979212772739906793066477396562075323036152789531486906085888361642397591476320380144168701775752614215650207174876882333842128247286930704583292013898866982132092613046240861027738488370541080953571807637879077041098373703631921126582398720939063345902569427552129045021405748453323097967744455586519737756401912244040803240209384923245750005483966925954286710770164626882197855922244384772258528026164345225053922064214875801058252215939110480876360177555002417346781829826062124967
 . . . . . . . . . . . . . . . . . . . . [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)
							62ac261f5e7e52ce554de77ee02c4b6e698afd02
 . . . . . . . . . . . . . . . . [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 (38 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'narrowstep.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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 (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)
							00f00076003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018d7e631e5d0000040300473045022100b4712717fa4ed4a45cb36792a76091135e9d1b7d05878451d3e476b02d6397750220438ab87a53ed83bf8ca96dad415ddc9a9a7d5ede6de75a33cedd029cba607a2d007600eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018d7e631e590000040300473045022100990511bac78ed54e9ab0a797bab2f5953b37f1ced7acf146d99ee783a9a39e5a0220490c95b68f27c8f4b394420d8aced0ee8f04afb74d89693d9935c53448d1061b
 . . . . [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)
		005e7ed554428f866999ee43b0e00a4f2f165e2afac9c5ca17377992b699fa82a2f26d5362e33ad4662f73f2283beb23f9039d38d193e6007e27a9afe317142336266f62dc734ac7c4798900269b05eb745534ee5ef19e150da5b4de29c4575febcdb13ec3d7240ce45093275c2c672f4dd724601956da4106a4c01d6ca4ff98a4b47a309030b6eead78758dd88b647f9aad36028d26e0f4a3dbabf5e028e2d278ad14827be8bf9302a4ee09c4aaab8f600657cce432f671daed24c67a17681d837e940948dec4b802cff28f606df042477909776e49c2df63d1f259ddc20679c7334e5c352854b74a61e1585314b02fb78faca1c829316144fbc9e10c1458e55c