www.sentech.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:d6:56:f6:87:4e:3d:ac:54:fb:5a:c6:91:b3:ee:73:3a:c8 was issued on by Let's Encrypt.

With 5 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=www.sentech.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:d6:56:f6:87:4e:3d:ac:54:fb:5a:c6:91:b3:ee:73:3a:c8
Serial Number (int): 421385163905110700191567769639657839737544
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: a9:d2:7c:03:53:18:86:28:57:eb:c2:f3:9e:d9:d8:b1:ea:ee:32:f4
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): be:4d:ea:5d:21:fd:9b:12:80:41:43:ca:ec:e8:c6:20:72:2e:3d:ec
Fingerprint (sha256): 27:7a:35:35:41:a8:93:44:da:c4:4a:8a:db:41:4d:4e:0e:eb:be:3f:88:79:d7:25:c1:d9:05:0c:75:5a:62:8f

Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/

Revocation information

OCSP Server: http://ocsp.int-x3.letsencrypt.org

Check the revocation status for certificate www.sentech.com

5

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.sentech.com

Public Key Algorithm

RSA

Key Size

2048

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

sentech3.api.itool4.net
sentech3.b01.itool4.net
sentech3.cron.itool4.net
sentech3.f01.itool4.net
www.sentech.com

Other certificates including the domain name sentech.com

(limited to 100 certificates)
www.sentech.com
www.sentech.com
www.sentech.com
www.sentech.com
www.sentech.com
www.sentech.com
www.sentech.com
www.sentech.com
www.sentech.com
www.sentech.com
www.sentech.com
www.sentech.com
www.sentech.com
www.sentech.com
www.sentech.com
www.sentech.com
www.sentech.com

Certificate

The complete raw certificate details for www.sentech.com in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwMFI7927HzK9FmL9v+YJ
DmU7M+PaM2B5vQRiYOHA4JADqXj8Y9QSZX4Lbmw0p6Z+z0np9d5h744HzRpAIMcu
jRJk/OmcwExX7c2xTBDuRqHoo17PqE4vxiqxosFY0Y1eZNFCokx44N3fPZUGYiit
yLCYafPy65LNCRsCIwAfODvJJ57dtWWlQuHD/jp5rRxKOHalMTz6osJR3dzr7Tpi
Vn+kbRsUvrRFoUrtnPyXQpBbIrU8oIOPc408Wv/1sJ+MCQYWT8/BvYSmtWzbIF0i
zDWLGnzpfu64HYzJ4JopkXUvFrLohwHtKdr4A/RQgeCECGyoz+dI522abznHc5Kr
zwIDAQAB
-----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 421385163905110700191567769639657839737544
 . . . . . . . . [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 2018-11-20 01:02:15 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-02-18 01:02:15 +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.sentech.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 (2160 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 24333066894976800027347451907963772901868283481025670211149911478898602767387033532859109168621588198172613280389660641505367416177198225763724304902428968468084064752014583350528915870434429433396956886373821563538794049065925707556468783382408979919084014792440883969360849566830621164353545093407029987062937676697091089333378521785965517713445776340775493372375605441489207180905057786558827544781795303265710710483666933578978136504019280845136513223841501675633810623407758586907074201120758736300309295329779980306820630336246596785289772679525952451984281283251167320401455908729579082725694573122676430384079
 . . . . . . . . . . . . . . . . . . . . [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)
							a9d27c035318862857ebc2f39ed9d8b1eaee32f4
 . . . . . . . . . . . . . . . . [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 (120 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'sentech3.api.itool4.net'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'sentech3.b01.itool4.net'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'sentech3.cron.itool4.net'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'sentech3.f01.itool4.net'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.sentech.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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f0007600e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f2893019dddf1dbfe000001672eda928c0000040300473045022071ec81876cf70af474cabb336c00faf0963c8017b60321b52263ef0eb8c90322022100e990d0915c772007dc5d04f3be85e9aef6dac10febd8b8e06eab9ded85345a68007600293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f478000001672eda929700000403004730450220484d1b5ec57ebff513a99f85f69920ad05fa09a14e5bfef574d6ed77e2c5e2c50221009d7ee8be1647a1c099d32a87e7e20f050f7759060685d03a3b3f214d4d61742d
 . . . . [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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