nextech.io

Issued by R3

About this certificate

This digital certificate with serial number 04:c9:4f:41:03:d1:e5:98:f0:a9:69:eb:2d:c8:56:d5:fe:51 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=nextech.io

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:c9:4f:41:03:d1:e5:98:f0:a9:69:eb:2d:c8:56:d5:fe:51
Serial Number (int): 416951246066589402597292164498708323761745
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 1e:b5:ef:0f:b9:f4:33:2c:5a:b4:a8:75:5e:cb:32:10:05:52:73:fd
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): df:5a:8f:bb:56:ff:97:bb:ae:0d:d4:d1:59:a6:7c:96:f1:15:19:95
Fingerprint (sha256): c8:57:b6:eb:dc:ed:61:af:09:28:26:be:0e:11:76:3c:2a:a3:a3:df:90:20:1a:aa:8c:47:3a:22:cd:31:07:37

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

Revocation information

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

Check the revocation status for certificate nextech.io

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for nextech.io

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

nextech.io
www.nextech.io

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nextech.io

Certificate

The complete raw certificate details for nextech.io 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 416951246066589402597292164498708323761745
 . . . . . . . . [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 2024-02-12 17:06:40 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-05-12 17:06:39 +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 'nextech.io'
 . . . . . . . . [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 624792715438573095550828615378278990604112927037083895444938907492226066429169472948595127781842823361231280068227710818813588191736027761019765924216396000148630933647837419960964160654368704399093035714141189339649330703105961431668208211590745881968496472277070452591143998144764395970430043145037066039421463201382434028616528404946145808933804352194190796560522494866881345978099066290023877376391817620107952607449289565260501615030729519133744888629436066535943476290829175029262988338280212565482223138071736854383112516986667051453860556987095351522002822337130172977986270033556259816357097401063492061043268587304931171617044413947737991861645894233515962273800563701814566754577391624912306711459381251451274332199311241305361497029203238637569491820028484379038235904329092411178866992365011134817606130316082905276862555255635776465731271675017248635821530455103009399202019668601019844362994849533522084810105291494207615873948258937654199991022575781345557817240153265811036340494033801011603512348773569072893475254223083850831322201133792144681327273166396533197779189148852445365033070691385000094199299433430117022082778802618194401540931667280450567623614194638645548099327027569193265338544594426561278048672349
 . . . . . . . . . . . . . . . . . . . . [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)
							1eb5ef0fb9f4332c5ab4a8755ecb3210055273fd
 . . . . . . . . . . . . . . . . [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 (30 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'nextech.io'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.nextech.io'
 . . . . . . . . . . . . . . . . [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)
							00f00076003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018d9e7fef2b00000403004730450221009525582ec61624c09d207e75be9d5f8031104a32ac0dfed7a67ba81d7a020ce402204c103dbf08966a46d9736b526bed1eb5e850510507a45b8ddaf7c743e6764d1e00760048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018d9e7ff1240000040300473045022063012947199a6e479a5911df0633d808931e1d57c918ab2bb98aac8ba8bd9998022100bc62b5837d0f53a7ffdb30cdb72fad2541f8265b944a6f829f859194b351cb7f
 . . . . [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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