www.sienkoprecision.com

Issued by R3

About this certificate

This digital certificate with serial number 03:fd:7a:24:33:b5:c1:dd:db:3a:bd:ea:ad:ad:d2:8b:20:62 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:
  • Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)

Certificate Subject

CN=www.sienkoprecision.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:fd:7a:24:33:b5:c1:dd:db:3a:bd:ea:ad:ad:d2:8b:20:62
Serial Number (int): 347590650413254024202494912750217409011810
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 2a:b8:2a:2f:70:30:86:1a:48:24:fa:0e:89:07:33:0f:22:f0:db:1c
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): e1:29:7d:36:63:5f:28:76:00:e7:f1:45:eb:f4:85:9b:a5:35:95:9e
Fingerprint (sha256): e2:bf:53:3f:aa:58:d7:d7:4b:0f:0c:f9:4b:5e:6e:08:3a:ef:a6:f8:61:47:d8:ca:64:a5:8d:37:9c:a7:9f:23

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

Revocation information

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

Check the revocation status for certificate www.sienkoprecision.com

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.sienkoprecision.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

sienkoprecision.com
www.sienkoprecision.com

Other certificates including the domain name sienkoprecision.com

(limited to 100 certificates)
mail.traficus.club
mail.congosemcg.com
webmail.vianovabeneficios.com.br
mail.taironacoffee.com
www.sienkoprecision.com
mail.whatslive.com
mail.dibi.co.za
mail.melkor.tech
mail.traficus.club
mail.taironacoffee.com
mail.ppg.co.ke
mail.traficus.club
webmail.sgsf.adv.br
webmail.vianovabeneficios.com.br
mail.taironacoffee.com
mail.traficus.club
mail.taironacoffee.com
mail.boostyd.com
mail.traficus.club
mail.taironacoffee.com
webmail.vianovabeneficios.com.br
www.sienkoprecision.com
mail.taironacoffee.com
mail.bvawellness.com
mail.whatslive.com
mail.taironacoffee.com
mail.probolsky.com
mail.traficus.club
mail.traficus.club
mail.traficus.club
mail.boostyd.com
mail.kmsplastworld.co.in
webmail.sgsf.adv.br
mail.awe-consulting.fr
mail.melkor.tech
mail.traficus.club
mail.sapodillabahamas.com
mail.kmsplastworld.co.in
mail.bvawellness.com
www.sienkoprecision.com
mail.taironacoffee.com
mail.taironacoffee.com
mail.congosemcg.com
mail.cemarketing.net
mail.ppg.co.ke
mail.ppg.co.ke
mail.liufamily.hk
mailth.travelholicsllc.com
mail.kmsplastworld.co.in
mail.probolsky.com
mail.cemarketing.net
mail.taironacoffee.com
mail.boostyd.com
mail.cemarketing.net
mail.dibi.co.za
mail.enseyab.net
mail.traficus.club
mail.congosemcg.com
webmail.wanderlusthostelmaceio.com.br
mail.probolsky.com
mail.taironacoffee.com
mail.taironacoffee.com
mail.traficus.club
mail.congosemcg.com
mail.sienkoprecision.com
mail.traficus.club
mail.alasda.dev
mail.traficus.club
mail.melkor.tech
webmail.wanderlusthostelmaceio.com.br
mail.cemarketing.net
mailth.travelholicsllc.com
mail.sienkoprecision.com
mail.sienkoprecision.com
mailth.travelholicsllc.com
mail.traficus.club
mail.ppg.co.ke
mail.eaglefamily.io
mail.enseyab.net
mail.taironacoffee.com
mail.taironacoffee.com
mail.traficus.club
mail.boostyd.com
mail.eaglefamily.io
mail.kmsplastworld.co.in
mail.taironacoffee.com
mail.dibi.co.za
mail.traficus.club
www.sienkoprecision.com
mail.traficus.club
mail.sienkoprecision.com
mail.ppg.co.ke
www.sienkoprecision.com
mail.eaglefamily.io
webmail.vianovabeneficios.com.br
mail.ppg.co.ke
mail.melkor.tech
mail.eaglefamily.io
mail.adxa.net
www.sienkoprecision.com

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAxREn1ALTdB3bof/onhBR
X/m/zy7PUqYkxbi0geZdG1ZyC7t4RiseQfgyALC8KyMDbshe2B655wPgCvrSCMO1
ckpOrXmAUL7CBlul9SZPuJE/5WzeLGZkfcfkBRlh8zhCeWe2Or+cv6PuyyZ78S4v
s8U1e9Wq8m95GioKdkBHUL0EDleBZMuFPvW8k5VdZe/lRG0d5WEJkPUh8hVYvo2d
ZkRRZ8FowuiTD2cZcrwd+nHwEs5ZKXhoTIC1UWoCqMXZFfU7SlAQH7IkxafMyrun
IQS5TuvVEhBW0CLbfUzr9xwzThUjkDqSce91ugBG1BR6POSIiby+z4MFO+U3glfh
UwIDAQAB
-----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 347590650413254024202494912750217409011810
 . . . . . . . . [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 2023-08-13 01:43:18 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-11-11 01:43:17 +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.sienkoprecision.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 24877405809509315948730064941107813159769750776826688124197111331491474341449965411426335102643168985788890860722983457248038373428688568100914892135944708664529845109480654727088981761589182148260451692923511080150300709491146799388159577325190929368916609254993094457302805922236455151462044834414739328901633220449945207146689260008770344339134732599396130590427942072206035344564399409513468062322286049885637717305111373268642033783883215807233207801789691777119456873242320678927950479533358329363788161861929322382122348071716710125675423078915596765654336889610745478000062392650536392740528875137983393030483
 . . . . . . . . . . . . . . . . . . . . [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)
							2ab82a2f7030861a4824fa0e8907330f22f0db1c
 . . . . . . . . . . . . . . . . [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 (48 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'sienkoprecision.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.sienkoprecision.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 (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)
							00f0007600b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb49900000189ecc6ca9f000004030047304502200931cada8635abe4fe93df78ceb0f75a0eac908c1c2e3ad70477adddcf7f63de0221008181145b2b31249d12aadf2f9eda1da33cf17773958ab5629eebd84f5c9e384b0076007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb5200000189ecc6cab50000040300473045022075dd9b7235785754755df0bfe0884b982f929d09d5be6a705bb7d83787d111d9022100c104f4d192fbaa6877193d004767d534d650d0a16c15c9fa063e606a27603e92
 . . . . [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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