nextech.io

Issued by R3

About this certificate

This digital certificate with serial number 03:1f:cc:76:a3:32:e4:4d:82:a3:10:a5:44:72:b1:d1:a2:98 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): 03:1f:cc:76:a3:32:e4:4d:82:a3:10:a5:44:72:b1:d1:a2:98
Serial Number (int): 272157389682064092062347389059245397877400
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 14:52:de:89:7c:b1:1a:40:81:a9:91:65:84:73:31:3a:ba:aa:54:80
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 47:a7:8f:6b:e4:30:f0:0b:3f:e8:a5:3e:2b:4f:44:20:c1:49:59:46
Fingerprint (sha256): fc:4b:eb:62:74:aa:a3:00:c8:57:d4:34:02:c6:bb:3f:5a:3f:67:b2:cc:df:d0:74:14:a3:e8:fb:b5:dd:e2:63

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
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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-----
MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEA0ZmSvcQDNDbDPrqqHa7X
edeNUD1IMjfCRfbtMjiFQF/eWvx7O6o2WhZNdGONHt94Mf9Vk/G6ki2W+tt1yq96
iY1GN6DVaA6D2qEVJl9rB5L/RJqdwmXhx+KjUhe/pXGgV5a8TBX52BaeKWORPQ0D
zAn2wVfQpo2SSZNz7Cwt7+n9pcC016GNsgzQYYn2dOWzV8+UczkNqVhe3YfGIWG4
udWahC1Fhf4Zxk5ebkgO0PuX6NdCskFhOdt4CSCma+poRxr0+NZAmnwhFLaF8e7W
hShrQi3zMRQFjU+XsBb6t4xsz2tAUxyi3DxvPF55VFRESerpYCcPS1a/7BZwbiCT
vO6nF+plncmAbzgiriaAhHyBklU3gDq6/qqe9Zgd/CJfl+zgY07hNFDIZxI/Jbnt
XW0H6FPbD1ixuWRzqYDQ4cUmLwEPOsRsJLee6IEbT3BSbdUAJvBfQ8MrghuLbzHU
2zZ8nVrG0Jp4Fjn2J3ZPaYiTUFX9js/Bxk7zy/u4Q267nFg6Wo4RdVW7HFs30ZZk
HYJ+ZOCnNjBcMw/ivqaJMyczA3Gnv6EKkEnXVmF0+5eZy+Zr/5u9qUYrHwONcKVi
WV/4KfoflymBspYSiuwy0fkJE/UX84zJErt4+cBNP9JFeM15PSUvwX3u2td2aVuK
kWs4g++zzPR5drsFx6KJhaECAwEAAQ==
-----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 272157389682064092062347389059245397877400
 . . . . . . . . [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 2023-10-13 17:16:15 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-01-11 17:16:14 +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 855092969698273317263567173590352509576814322501468021172647095528871712615513803638662302181241330179638090750820758803120608998747337094976154932280096884592350204627547171832945279362267495336971401860189163464974510295846138465899921537370184147458189541674135555014406509978296442119651572877895288105693104098171149765696288548488696893357565505608773618119178192175094259114285404600015028409978623490204377164480826223300929757879851648469091347151657213801756043812192222919377192105112419125218190246485312432286129495342430380235593500723105431687157284367091841761031279802481193192142073037998339707959561993799012945585228582669044780343433182274945519765872784031938333944776837268717845335005219371525718220384246339570688679760291824726241328404705274282529434917903429296526289930546967456260937556358551811506169557681258727925508451499266313654093525774079232987552811137464911398687525462370606219174659835613531678110970590603630883554420996033682048106362393953287545749003238531475422795026799838524694813232544679002738827845188418425153608598943526508789953642137390416332398514892193161028193245584105118519897610040454486145586931639199421503177537792985713640799035302592151869948486079825741267721618849
 . . . . . . . . . . . . . . . . . . . . [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)
							1452de897cb11a4081a991658473313abaaa5480
 . . . . . . . . . . . . . . . . [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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f10076003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018b2a40dcbd00000403004730450220177f3666698dbf34846e3efc7c33df1aa2f84784e769a588cd4488f3dfc9b0d002210082de26405b12431c641466c69f6bdb735bc39693c7282b25dbfccf4cc5097d54007700eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018b2a40dcd20000040300483046022100f58e23eabfbb39fc55a2f5c68d522fea03fd3a32582e36df46ad6ecc38f47857022100f6a4e1cceb620c55f02a5fc3057d17ccd811ffb208e1d08658b5e37f18dccfec
 . . . . [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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