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:91:2fSerial 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.orgCheck 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----- MIIGXjCCBUagAwIBAgISA+JR7wTZh/F+hvsf+wqrfZEvMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0yMDAyMjEwODIzMzRaFw0y MDA1MjEwODIzMzRaMB0xGzAZBgNVBAMTEnd3dy5uYXJyb3dzdGVwLmNvbTCCAiIw DQYJKoZIhvcNAQEBBQADggIPADCCAgoCggIBAMTU0jHi5ztqAhKYdbX22jxIwT+J 94UtX1KtugLVYNTHYs26ssCxZYEfmO4xdKudAaKfyNFlERdsoA/F+AS4R2Pv++O4 zR3T83suPcYIoP73puEiShIQ7SXp2RHlyv9r5Lq121bI8m7HpOs5nqRtxzRBPW88 XDndVIcmPx/Hhu2OXYT5wxBHotv5ISo0aV6Huie/7l0+mYfq7ASQNSNiCqyDkNl7 uzydz0l4U++0rCA9fqXmVVaz/3ehdyqo53HF1sB14QvAJpQ2KyMlmFZY7gTZWiXq NNr8HpXL6wkPdGHU7aLW5XLfvUpOGP9SiwePa6ol86PzyDoqemDG9TkR5fPZTBo+ 4rzCLyfAhKGVM6PzazzIMXG5m9y2wyHJo1YgRZRZ2YqUd4JTWLcXZx+LyKyXnzjm VqufJwnpDW0FegW/6g072qQsyrhLOZ5l1w++yn1RPW0dBDiRoUSHL94hhF1RHUkl kJ4v9LnDB1wlsBNJ3n2g6Emd7+Fwf/EQG5bh7tvMxAXF65frEOjBIDO3+bUy/z9r w6GxbTt673Bc/nk2AzeqJhIeaUR39B5NVJvpVe7xx3264LM6nCokXtpg6+tOuDnu 4/J0DWUO1awBioj0kmCQ6ZgkhEmNT35HxZ6CmSLuoHlQxkrtKY6qJ41dQ9LAEGEp FsK5KNx7CfCekO+RAgMBAAGjggJpMIICZTAOBgNVHQ8BAf8EBAMCBaAwHQYDVR0l BBYwFAYIKwYBBQUHAwEGCCsGAQUFBwMCMAwGA1UdEwEB/wQCMAAwHQYDVR0OBBYE FEfGS0k0in5oLNq91HIpWjx3s6RPMB8GA1UdIwQYMBaAFKhKamMEfd265tE5t6ZF Ze/zqOyhMG8GCCsGAQUFBwEBBGMwYTAuBggrBgEFBQcwAYYiaHR0cDovL29jc3Au aW50LXgzLmxldHNlbmNyeXB0Lm9yZzAvBggrBgEFBQcwAoYjaHR0cDovL2NlcnQu aW50LXgzLmxldHNlbmNyeXB0Lm9yZy8wHQYDVR0RBBYwFIISd3d3Lm5hcnJvd3N0 ZXAuY29tMEwGA1UdIARFMEMwCAYGZ4EMAQIBMDcGCysGAQQBgt8TAQEBMCgwJgYI KwYBBQUHAgEWGmh0dHA6Ly9jcHMubGV0c2VuY3J5cHQub3JnMIIBBgYKKwYBBAHW eQIEAgSB9wSB9ADyAHcAXqdz+d9WwOe1Nkh90EngMnqRmgyEoRIShBh1loFxRVgA AAFwZw80vAAABAMASDBGAiEA9R9IwdluK0p2VMWQ/opCqVYa0VIp2uwtf7SQ1WiR rqoCIQD1n6p/b1R5zqAS3vjxXumju3sI0VBo7VOzuWucFt5OpgB3AAe3XBvlfWj/ 8bDGHSMVx7rmV3xXlLdq7rxhOhpp06IcAAABcGcPNOgAAAQDAEgwRgIhAJqA0Jni ru7F1ZmoNY82cH4FWQRvsYSDHBJApLIFiZZWAiEAxmgmFzbo+x6Wt1lzRkR/ZE8e YCWP+b50WV75l387UnwwDQYJKoZIhvcNAQELBQADggEBAJQY7WwWZiCXJWANO07N HQva1sM/T4VB5069MMPBYQYDyY2FuWXww6YGPjxZm0eDvnEzbK5dtOg2x+FWH9RU +7Z5tUtnrw3Rp3tm3sPF1xvhGFWTTV3wV95MVd3h4neox+hhJgQKaOGoShe3/eAV fS3jLEr2h0kE+7CGq3T9ufLuQ3XSOPax3pMKPAlRXh2kFcTG5W8p5PWgge/GeziN Hd2tmb4TtQWXnSfxUUP/hotu+teC2EesKIPO5IwYm4nesy5f9+VOt6KxRebCe+UB t3sqBxgZW88lcr4she6fphdvF5mQ+qn4xf73A9+iiaHXWt4Z4PpylvaShLBBSou7 njw= -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAxNTSMeLnO2oCEph1tfba PEjBP4n3hS1fUq26AtVg1MdizbqywLFlgR+Y7jF0q50Bop/I0WURF2ygD8X4BLhH Y+/747jNHdPzey49xgig/vem4SJKEhDtJenZEeXK/2vkurXbVsjybsek6zmepG3H NEE9bzxcOd1UhyY/H8eG7Y5dhPnDEEei2/khKjRpXoe6J7/uXT6Zh+rsBJA1I2IK rIOQ2Xu7PJ3PSXhT77SsID1+peZVVrP/d6F3KqjnccXWwHXhC8AmlDYrIyWYVlju BNlaJeo02vwelcvrCQ90YdTtotblct+9Sk4Y/1KLB49rqiXzo/PIOip6YMb1ORHl 89lMGj7ivMIvJ8CEoZUzo/NrPMgxcbmb3LbDIcmjViBFlFnZipR3glNYtxdnH4vI rJefOOZWq58nCekNbQV6Bb/qDTvapCzKuEs5nmXXD77KfVE9bR0EOJGhRIcv3iGE XVEdSSWQni/0ucMHXCWwE0nefaDoSZ3v4XB/8RAbluHu28zEBcXrl+sQ6MEgM7f5 tTL/P2vDobFtO3rvcFz+eTYDN6omEh5pRHf0Hk1Um+lV7vHHfbrgszqcKiRe2mDr 6064Oe7j8nQNZQ7VrAGKiPSSYJDpmCSESY1PfkfFnoKZIu6geVDGSu0pjqonjV1D 0sAQYSkWwrko3HsJ8J6Q75ECAwEAAQ== -----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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