www.steraflex.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:d2:37:be:0a:9e:4b:98:c7:a0:73:a4:0b:b4:03:f9:52:1c was issued on by Let's Encrypt.

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.steraflex.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:d2:37:be:0a:9e:4b:98:c7:a0:73:a4:0b:b4:03:f9:52:1c
Serial Number (int): 332870249140214651046381890074859909239324
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 60:74:6e:2c:4d:d4:73:ef:5a:8d:73:92:31:ff:53:7c:06:06:95:a7
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 93:44:c2:50:b6:97:60:d1:db:92:83:42:2b:77:4c:73:a2:4d:b3:db
Fingerprint (sha256): 98:37:ce:68:ff:4a:aa:14:ec:bd:37:bc:09:9a:73:c2:be:3c:ef:b0:7b:1e:53:0b:f8:6e:f3:96:fd:47:6d:87

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.steraflex.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.steraflex.com

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

www.steraflex.com

Other certificates including the domain name steraflex.com

(limited to 100 certificates)

Certificate

The complete raw certificate details for www.steraflex.com 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 332870249140214651046381890074859909239324
 . . . . . . . . [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 2019-12-11 18:18:58 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-03-10 18:18:58 +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.steraflex.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 (4208 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 759533177292022994235495350496935534858347778745803545820382899900320269145780643230459812833628377606581620991061912066790234846219450635859129689090186044909328857734932367476770875291157770478408953992128079346188648229627005046985609240404018157872506836565071515845227551967088436928799169798696967401118652595498362896344657868332316215715308497461097104698411640676806396884151653667759359294178322866538264212580593804142315562056458794559963815954385766557945298666577008847628841330557296804795014848892750574653498201308761882384718236611793403896290397980370119476827354165268972761114428107650119805215222639398173507161352682407896964590903504178451534387099337267589446181673375087485795065533135406252671889319255014507608053351824527673588126347028029407717467971781343753805348817329292415847009700142503219991322377495046696686743245949160706689730374004508247929060681086285564271415202094684182126136428773679171703439453791294234367156074386668286070508905757059862220650943835921778266691297511993670173699535753103182420126152892032266182139798794299846255860490037491878428953959999433717374798447359279190099694269656624790763329721987086451991512135114481432207474711448266514725134565734974934146236782357
 . . . . . . . . . . . . . . . . . . . . [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)
							60746e2c4dd473ef5a8d739231ff537c060695a7
 . . . . . . . . . . . . . . . . [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 (21 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.steraflex.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 (247 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (244 bytes)
							00f200770007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c0000016ef6666ffe0000040300483046022100fe4ab1dece1c5e1617f93d441ff8e205bc9aba859acfdbf7c226aefd9a4c838f022100e58aeaf136837add5ed62825fbc5d263367abc4296447d12ff9fc45b516d13870077006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d9130000016ef666702d0000040300483046022100b925c0c233011f13de683c25ef24fec118c2500c8dd37a8cf774c052745eafc3022100f32e1f7d17e46d3b524a6fab5da0238ed5511a558b411afb09959b5feda33800
 . . . . [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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