htk.org

Issued by R3

About this certificate

This digital certificate with serial number 04:b3:92:58:66:21:88:07:71:8c:4e:cc:28:53:d8:fa:4b:f9 was issued on by Let's Encrypt.

This certificate is currently not expired, we haven't checked the revocation status of this certificate but you can do this simply on revocationcheck.com. 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=htk.org

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate will expire on

Certificate Details

Serial Number (hex): 04:b3:92:58:66:21:88:07:71:8c:4e:cc:28:53:d8:fa:4b:f9
Serial Number (int): 409554213686859528224188100562012476165113
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 17:44:c3:2e:97:b5:5d:1d:84:4e:f1:99:17:5c:59:e6:4d:cc:8c:30
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): ff:77:03:8e:5a:16:84:93:e2:db:5a:44:02:b7:f1:40:6e:89:af:94
Fingerprint (sha256): be:57:f9:69:05:8d:96:81:f8:e0:a2:1a:f9:60:5a:ef:18:c2:f5:a4:77:7e:17:db:5d:80:48:00:4d:63:35:98

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

Revocation information

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

Check the revocation status for certificate htk.org

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for 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

htk.org

Other certificates including the domain name htk.org

(limited to 100 certificates)
37.vc
547.me
htk.org
htk.org
htk.org
greennewdeal.world
123notary.de
htk.org
www.htk.org
htk.org
www.htk.org
www.htk.org
htk.org
htk.org
htk.org
www.htk.org
htk.org
www.htk.org

Certificate

The complete raw certificate details for htk.org 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 409554213686859528224188100562012476165113
 . . . . . . . . [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 2024-05-31 12:21:02 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-08-29 12:21:01 +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 '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 885069513614450383042625549765932021862221049347565474644896576182357637918018085695382860221088969703367032689633037993492738727090137239628927250222189433457794020284832025899591929381503819145678673041145529736652551315372031895628505201649861210999250326108561010804598264806467134085218192948371850908018550806482918702680347509937313512019912412604501090248502180473430411596677238803906848148675054771375959755633754897241051643492491400090049608547561601618010980593799767910869840166483791685479232897988715494747858199686387122985168577669090110166739226687696076156016793550131070856181684339317835358020477981726729769009241750643374905465416309609098910912041712363706032568739211038559096716208335770679936258330740904462352522673144896799379949087194499044901422685948032850971943356984711564247291793497467125781930015554974754840140063257017160372661957205436500318737964813468584109150596624579260333626288411111960796981632399108011634128256477678814923319048904349056870942376677970699049310167794495032283081740506503714381920808090371745973311664895500712215909118689375106182265216172846283091752558305553795561760710026961111006989529075812532648962617244445945771871557154814666819072450092965986868563158781
 . . . . . . . . . . . . . . . . . . . . [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)
							1744c32e97b55d1d844ef199175c59e64dcc8c30
 . . . . . . . . . . . . . . . . [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 (11 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '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 (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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f100760048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018fcecf992c0000040300473045022100987acbfaed311b882280efdf5c0ba52e7cc09b29f00f93cea7367f2675f923980220260737f09ee23a5658c2d30632aa3de06040b38726e005c6fd3572d9e62ac0ef0077003f174b4fd7224758941d651c84be0d12ed90377f1f856aebc1bf2885ecf8646e0000018fcecf994300000403004830460221009f8f3b8b718561e517b728b8b93595c2eb3bacd37885ff76ec82cc607ba3f094022100c6dd6805a70a4e827710492aa9e23c0895a135050546081f088b7654a066c20d
 . . . . [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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