narrowstep.com
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 04:6a:c6:52:d8:a8:af:76:32:8f:47:21:64:3f:c8:98:2f:a2 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:
- Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)
Certificate Subject
CN=narrowstep.com
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 04:6a:c6:52:d8:a8:af:76:32:8f:47:21:64:3f:c8:98:2f:a2Serial Number (int): 384782691926533385372197803932222458703778
Serial Number lenght: 139 bits, 18 octets
SubjectKeyId: ab:3b:2e:23:dc:cd:56:e0:36:be:cc:06:21:37:67:4c:76:0c:09:5c
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 89:3f:c7:9a:7e:b5:ae:e6:41:4f:ff:9f:1a:5f:c3:f1:d0:37:93:66
Fingerprint (sha256): fc:fa:6e:fa:a8:06:85:ea:c9:cb:84:e1:3c:cd:39:0d:a9:fd:e0:07:0b:b9:5f:f3:cb:8f:d1:a5:ab:c8:49:42
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck 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
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
narrowstep.com
www.narrowstep.com
www.narrowstep.com
Other certificates including the domain name narrowstep.com
(limited to 100 certificates)
Certificate
The complete raw certificate details for narrowstep.com in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIGaTCCBVGgAwIBAgISBGrGUtior3Yyj0chZD/ImC+iMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0yMDAxMDYwMDI3NDFaFw0y MDA0MDUwMDI3NDFaMBkxFzAVBgNVBAMTDm5hcnJvd3N0ZXAuY29tMIICIjANBgkq hkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAzOBfcsoSKuC75dNEHmJscqUwML7D2B/z Ftgvaj6zVcQ6+ioZHIHNvWThPYK8e9uM3NTE6eEAeV4neC4/ymhbG1dC8BMip20z KxZs+R0TpkKBBEtHVOzq2ev6UiyuDUOhXQzKsrMRMfjBKgA95p+J+SjHJZavcD2r 5bNEll5dPuy6WDza0baVVH72dp0SzjiXEH1xovXz6O/4kIh/MJKDS94cX/YPds3z yB8CYAOzLaZqZkMWR0Mo0/BEM2zEWtRy88nJOGVy1rI9NMK6y6lfwT0C92JE8h6D XpDbKDggSbtQ+wsDXe216/hyyI+975KCAufKsd3J0h1EHRJOCN9w1KcPwpXwfzbJ ul1wPjHpEwm/lvBY3f4QIJ9VaRlh5jdMxZ8lAldCgyl1FZluH/sGng93qOf63h6S ZAxYrDdn254r5i8sGEgZv4XB3fUGjNGDj7yhftk3N9OLISIOYookVWFIJNgrmxGV +rUtWmjmxYm+I49o82K6YutmkI4xM3Hq9jR3PQknbGiCwVfIyG2O/9wLoxf6Id+m wLhvUjZXUST9tIzpLQD2X+Icg5s/pnU40WCWDUdkjnPW6x90ns9/VJc+jLJ4tK7w +Da0HxPoeJzhBW7b46yjCm8b95rLYYKbkuhj3LE5+kgYnxJS7ywomrgu1M3k08Nt dKlA9EicdXUCAwEAAaOCAngwggJ0MA4GA1UdDwEB/wQEAwIFoDAdBgNVHSUEFjAU BggrBgEFBQcDAQYIKwYBBQUHAwIwDAYDVR0TAQH/BAIwADAdBgNVHQ4EFgQUqzsu I9zNVuA2vswGITdnTHYMCVwwHwYDVR0jBBgwFoAUqEpqYwR93brm0Tm3pkVl7/Oo 7KEwbwYIKwYBBQUHAQEEYzBhMC4GCCsGAQUFBzABhiJodHRwOi8vb2NzcC5pbnQt eDMubGV0c2VuY3J5cHQub3JnMC8GCCsGAQUFBzAChiNodHRwOi8vY2VydC5pbnQt eDMubGV0c2VuY3J5cHQub3JnLzAtBgNVHREEJjAkgg5uYXJyb3dzdGVwLmNvbYIS d3d3Lm5hcnJvd3N0ZXAuY29tMEwGA1UdIARFMEMwCAYGZ4EMAQIBMDcGCysGAQQB gt8TAQEBMCgwJgYIKwYBBQUHAgEWGmh0dHA6Ly9jcHMubGV0c2VuY3J5cHQub3Jn MIIBBQYKKwYBBAHWeQIEAgSB9gSB8wDxAHYAXqdz+d9WwOe1Nkh90EngMnqRmgyE oRIShBh1loFxRVgAAAFveHb81gAABAMARzBFAiBoyJmXk4QUKgzQt42VCFXB39Ul usNwNwpLBAKXRRlELQIhAPbWhxCZMC5Q+/j/XB9aCpbUt0Hd1aR6zsvwJMg1fgXY AHcAsh4FzIuizYogTodm+Su5iiUgZ2va+nDnsklTLe+LkF4AAAFveHb81wAABAMA SDBGAiEA5tQuCF1b8JkWG9IgN+2+i4k+PNaHWM/TaNRjGYDtBd4CIQCtUmLz7TLf rFBOsRnZgo7H4GEImcaoLF4vAd1o7152cjANBgkqhkiG9w0BAQsFAAOCAQEAbNEz tbkG8O2DVKvMhRjCs5ZjCV/bZSl+B59BEGGNagbcloUrIyDhV45H70Pv5U2xBY1A WtRGWKcg1AHNNh60a9hYctcYHACUAORwhYzq7CsxyFj2WlHcWFVc56RLKBgZz3M9 nhXys7GEjZU0d4pvWohB9986FU35l5z/ivWiJnyIe73YZO5y2zEIutbKFsL5dhrm o0WtUT+buOLMlcRDA4i7uGV0CNZU6GhqwBHmJtsAyMA2IRZa95Z99nlglZw21Add HvD3PmqTEcX4sy7uF73+dkUHf8lUMMwPUpYSgAEvNbSKrPOZI4aVsENPIfhEDv35 kd9uuiRm1QnGa92LJQ== -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAzOBfcsoSKuC75dNEHmJs cqUwML7D2B/zFtgvaj6zVcQ6+ioZHIHNvWThPYK8e9uM3NTE6eEAeV4neC4/ymhb G1dC8BMip20zKxZs+R0TpkKBBEtHVOzq2ev6UiyuDUOhXQzKsrMRMfjBKgA95p+J +SjHJZavcD2r5bNEll5dPuy6WDza0baVVH72dp0SzjiXEH1xovXz6O/4kIh/MJKD S94cX/YPds3zyB8CYAOzLaZqZkMWR0Mo0/BEM2zEWtRy88nJOGVy1rI9NMK6y6lf wT0C92JE8h6DXpDbKDggSbtQ+wsDXe216/hyyI+975KCAufKsd3J0h1EHRJOCN9w 1KcPwpXwfzbJul1wPjHpEwm/lvBY3f4QIJ9VaRlh5jdMxZ8lAldCgyl1FZluH/sG ng93qOf63h6SZAxYrDdn254r5i8sGEgZv4XB3fUGjNGDj7yhftk3N9OLISIOYook VWFIJNgrmxGV+rUtWmjmxYm+I49o82K6YutmkI4xM3Hq9jR3PQknbGiCwVfIyG2O /9wLoxf6Id+mwLhvUjZXUST9tIzpLQD2X+Icg5s/pnU40WCWDUdkjnPW6x90ns9/ VJc+jLJ4tK7w+Da0HxPoeJzhBW7b46yjCm8b95rLYYKbkuhj3LE5+kgYnxJS7ywo mrgu1M3k08NtdKlA9EicdXUCAwEAAQ== -----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 384782691926533385372197803932222458703778 . . . . . . . . [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 2020-01-06 00:27:41 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-04-05 00:27:41 +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 (4208 bits) . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 835823020139144712037445191635884380738627408225915349893861377581596132096115501775670346613948033101203109652783564489947219117237645176620980855040262919874418198543047706968632297424587500595323806775472049951289509595417220822467929737028027775113989490875172624970426655712606897792155517525814453984436771748275569748165007142651607857198602034675027023712201943072222207398209343796754584680011614018770472415108266553740040983200206880773360599048714836500088653930706533679687714505059939265427444756026571752025708179708763066223326062201219010249117641102474280175899965846504825691449240098432074524572980225060671611112376960304325741570018199419508829628700488066325044970103789666695158926564381058437756800521866907777290224486952346092379767459352986475357352479743912530256159221812113503144963293753205113999834725032055230896107228305093946046651114921954924909783180672842220348024445663117713255368586649118848975094761811184201964102796569834209634401653352280276551158296993557043098963855447198568374769490067221416629962832552366564606587053146564420520497830561691129203580133906821035772044933806086479540973127425232756568182473370389315452534057801541526659720015098840961616006043563772922265142588789 . . . . . . . . . . . . . . . . . . . . [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) ab3b2e23dccd56e036becc062137674c760c095c . . . . . . . . . . . . . . . . [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 (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 (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) 00f10076005ea773f9df56c0e7b536487dd049e0327a919a0c84a1121284187596817145580000016f7876fcd60000040300473045022068c899979384142a0cd0b78d950855c1dfd525bac370370a4b0402974519442d022100f6d6871099302e50fbf8ff5c1f5a0a96d4b741ddd5a47acecbf024c8357e05d8007700b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016f7876fcd70000040300483046022100e6d42e085d5bf099161bd22037edbe8b893e3cd68758cfd368d4631980ed05de022100ad5262f3ed32dfac504eb119d9828ec7e0610899c6a82c5e2f01dd68ef5e7672 . . . . [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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