www.htk.org
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:8d:bf:cf:5e:b9:91:d7:2c:80:07:77:93:5b:14:bc:5b:63 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.htk.org
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:8d:bf:cf:5e:b9:91:d7:2c:80:07:77:93:5b:14:bc:5b:63Serial Number (int): 309571630805026547193268332151215010634595
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 4f:9d:f9:ac:8c:2f:f3:f4:57:7f:91:1a:57:38:7d:c0:d2:8a:c5:6f
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 74:6e:8a:fc:67:5a:4a:ff:75:78:37:54:79:b4:fb:c4:bc:93:12:d0
Fingerprint (sha256): 6b:2c:40:91:47:e6:d5:f4:0b:2c:f0:f9:30:8e:03:5f:1a:d6:9e:d4:80:53:ef:4e:8e:9f:fa:5d:7d:5c:f4:8a
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.htk.org
1
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for www.htk.org
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.htk.org
Other certificates including the domain name htk.org
(limited to 100 certificates)
Certificate
The complete raw certificate details for www.htk.org in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIGTzCCBTegAwIBAgISA42/z165kdcsgAd3k1sUvFtjMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTA4MDgwNDExNDZaFw0x OTExMDYwNDExNDZaMBYxFDASBgNVBAMTC3d3dy5odGsub3JnMIICIjANBgkqhkiG 9w0BAQEFAAOCAg8AMIICCgKCAgEAtKFInDoh/6FYKKACj3vfIhsyGip+bXBW6XGo QO5MQvUgLBzYp5lXKdpoOqXq8EYYseEljVZJDCAZ8iacMHKztz8/B2uQnCMq/NgY Et6KuklBvPSiyv7eeX1ei0lOxkpu/v+8HsXvOfmSJRDNZScCPZWZjctL+gcZnhR1 dwidLUQia2tbbSYAZSuqrURbQtuQWuKQRNk1CysqO5ZIQgw7M4JP5C4hwGUQnVnN hJ8m5Q3Hvz9xfO0mgh5B16iKsVqW8Xx0bbJ9n/SDHIl6gepdhY+QrZoG0UKx4xtK HKWToAOKU8mnukEtHxZyrCMqcTP3Y5OSGCZN04bCVVOphCU9xrg+JNOPI+Sg4leU RUEii+o4Jr51OpYyUWud5Kox/v26RwsT+swu96DuS6tkwDmZ5hH5infzsMQ7U1k/ DdMb8MnTkY57zBYja88sYpAYKD23EZ3bMwU4ZPPFA5prjtNMdC4OJO7qJvtjRmR9 8N9lG1IgY+NoMViMombKnFx8bIO6Zf1LiBz//TJzjp7ER4W4yAPkgRh6mpqsvsWG Anq4EN2L40EcOd16HvZ9jYt9ZWOAs1oxsbOuasOE0ft0Ei8APCgYnVm0pEfOkHAx ZdW6bQoJNT/0tBsGgyVGWrt54c6BEFOOvM2R/g1JR9BzJSyUlwJDLiON5OX6EbpJ UJ9T/D8CAwEAAaOCAmEwggJdMA4GA1UdDwEB/wQEAwIFoDAdBgNVHSUEFjAUBggr BgEFBQcDAQYIKwYBBQUHAwIwDAYDVR0TAQH/BAIwADAdBgNVHQ4EFgQUT535rIwv 8/RXf5EaVzh9wNKKxW8wHwYDVR0jBBgwFoAUqEpqYwR93brm0Tm3pkVl7/Oo7KEw bwYIKwYBBQUHAQEEYzBhMC4GCCsGAQUFBzABhiJodHRwOi8vb2NzcC5pbnQteDMu bGV0c2VuY3J5cHQub3JnMC8GCCsGAQUFBzAChiNodHRwOi8vY2VydC5pbnQteDMu bGV0c2VuY3J5cHQub3JnLzAWBgNVHREEDzANggt3d3cuaHRrLm9yZzBMBgNVHSAE RTBDMAgGBmeBDAECATA3BgsrBgEEAYLfEwEBATAoMCYGCCsGAQUFBwIBFhpodHRw Oi8vY3BzLmxldHNlbmNyeXB0Lm9yZzCCAQUGCisGAQQB1nkCBAIEgfYEgfMA8QB3 AHR+2oMxrTMQkSGcziVPQnDCv/1eQiAIxjc1eeYQe8xWAAABbG+j4qYAAAQDAEgw RgIhAPHm2b0NQtD7bJq7uvATqrQCK+k2jFOUNely8VjOSJdKAiEArnP+O+dbvn2U oUEEMaixJeBQXFRSF2bnnCQ98yXACMUAdgBj8tvN6DvMLM8LcoQnV2szpI1hd4+9 daY4scdoVEvYjQAAAWxvo+DPAAAEAwBHMEUCIQDzsD2KMJsr+bFQC5bhekTVTFNG Qbe4Yox07uGngryw1AIgexIHNUmRu9h6OtbOVeKS3fP06+GrJlI2NuY4gGm35lEw DQYJKoZIhvcNAQELBQADggEBAHq1W2+f/ZtG+e4hYtreA2pKC79MEXP1hxodCi7Y Clz5Zyh8c9sC1HcvdL/mA63ynOMVf8Hj/jzultdS47s0xioDel7TvdAAAL756p7O w84nVPX0oe3ZsFaHIh4YQY9pJXAaS9x4JQ6OeHCHplQMYs9WzPbGdWwJ5riW1kaF 9pXyyr53Pg6CUYLhpBzbPSBWm/EqJe51C50iCpeSCVz45oCBaO8/R69c3APUpWfj 4+KHvA7SncvvM+QTB5oUZQHmX5rvDB55KaAG90cl8xbTqh13vtffAWHVqzmtw8ln zyBN959afCQ4dMsUN+9TliSWHpBG8xid6m6y7naxow/sWKc= -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAtKFInDoh/6FYKKACj3vf IhsyGip+bXBW6XGoQO5MQvUgLBzYp5lXKdpoOqXq8EYYseEljVZJDCAZ8iacMHKz tz8/B2uQnCMq/NgYEt6KuklBvPSiyv7eeX1ei0lOxkpu/v+8HsXvOfmSJRDNZScC PZWZjctL+gcZnhR1dwidLUQia2tbbSYAZSuqrURbQtuQWuKQRNk1CysqO5ZIQgw7 M4JP5C4hwGUQnVnNhJ8m5Q3Hvz9xfO0mgh5B16iKsVqW8Xx0bbJ9n/SDHIl6gepd hY+QrZoG0UKx4xtKHKWToAOKU8mnukEtHxZyrCMqcTP3Y5OSGCZN04bCVVOphCU9 xrg+JNOPI+Sg4leURUEii+o4Jr51OpYyUWud5Kox/v26RwsT+swu96DuS6tkwDmZ 5hH5infzsMQ7U1k/DdMb8MnTkY57zBYja88sYpAYKD23EZ3bMwU4ZPPFA5prjtNM dC4OJO7qJvtjRmR98N9lG1IgY+NoMViMombKnFx8bIO6Zf1LiBz//TJzjp7ER4W4 yAPkgRh6mpqsvsWGAnq4EN2L40EcOd16HvZ9jYt9ZWOAs1oxsbOuasOE0ft0Ei8A PCgYnVm0pEfOkHAxZdW6bQoJNT/0tBsGgyVGWrt54c6BEFOOvM2R/g1JR9BzJSyU lwJDLiON5OX6EbpJUJ9T/D8CAwEAAQ== -----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 309571630805026547193268332151215010634595 . . . . . . . . [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 2019-08-08 04:11:46 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-11-06 04:11:46 +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.htk.org' . . . . . . . . [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 736906165915685708390922038920514467234651631618043638045666068535681928988022465478134000300088526566285155816704365202345589484738563937228845000595470593924761819250620722769495839201619551002355429014639455662793598494983422907147574728406868353988419155209205943918162415554576686649494194402905889796884200645877073619230221953389632524594995807956491368661504974063624362587825134478637629823866489751155861807837974356910876810978643558822687425982539391465717032141844863713580018935956544635506763151350452352931946275784828732200085408227220431384047125301057520376649597456417423692000968205357486732290608728008957919147859931084473517626677718206085070356766504237929908297443377027043416020663343413634614375695511244969716482122394007551939574430936037709473851252225345567893458997277742389908323394963549073063465411058540490005157170761754740550021223255328361725109938041572034678177823055976543714080251518511510939920691223607687060760393420381767307317566573077251679527815063693454771566504814318990520535964895050704320710259203939261272479869252300106302183502858408746646002921148270923325793012156579924286272442815221752051723548089845722084301312113287692147624237992275112245005054156354549006898297919 . . . . . . . . . . . . . . . . . . . . [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) 4f9df9ac8c2ff3f4577f911a57387dc0d28ac56f . . . . . . . . . . . . . . . . [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 (15 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.htk.org' . . . . . . . . . . . . . . . . [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) 00f1007700747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc560000016c6fa3e2a60000040300483046022100f1e6d9bd0d42d0fb6c9abbbaf013aab4022be9368c539435e972f158ce48974a022100ae73fe3be75bbe7d94a1410431a8b125e0505c54521766e79c243df325c008c500760063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d0000016c6fa3e0cf0000040300473045022100f3b03d8a309b2bf9b1500b96e17a44d54c534641b7b8628c74eee1a782bcb0d402207b1207354991bbd87a3ad6ce55e292ddf3f4ebe1ab26523636e6388069b7e651 . . . . [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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