centrumbio.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:1f:7f:c5:3a:13:6f:38:e0:a9:17:34:0d:96:87:96:12:1f 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=centrumbio.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:1f:7f:c5:3a:13:6f:38:e0:a9:17:34:0d:96:87:96:12:1f
Serial Number (int): 272055447185695161680571153955054679364127
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: ac:af:b1:73:ac:f4:25:cf:47:96:c8:7c:7c:ba:6c:65:f0:ed:68:8c
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 11:c8:ed:d1:25:4b:b8:cb:e0:05:77:ad:0d:ea:db:25:fb:4a:2e:b7
Fingerprint (sha256): fa:7a:7d:28:b8:56:61:ed:b1:e6:f0:dd:ec:5d:01:e6:81:64:dc:55:d9:21:b3:25:85:d5:9a:b2:7f:20:14:a7

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 centrumbio.com

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for centrumbio.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

centrumbio.com
www.centrumbio.com

Other certificates including the domain name centrumbio.com

(limited to 100 certificates)
www.centrumbio.com
centrumbio.com
www.centrumbio.com
www.centrumbio.com
www.centrumbio.com
centrumbio.com
www.centrumbio.com
www.centrumbio.com
www.centrumbio.com
www.centrumbio.com
centrumbio.com
centrumbio.com
www.centrumbio.com
sprinklersystemssanantonio.com
www.centrumbio.com
centrumbio.com
centrumbio.com
www.centrumbio.com

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAsEgjidCFOvMkS2HGZtI9
NWm4jXOmS7CRnb0TCqYpRAsII5QQ2JcjVhbnvMePgb+cc2mAj6BbrYHieXxxdZtf
joZA/kubUNqIRTCofrOeZ7yu4fnxRaFOFGa22HB4W5ifKcY8bpAcHYvBeZpEibNG
uE+u9y7iDUfxOxMDGHWsN6NuntEyi5tY3yga9IUxwsMvuClZM9gyOJGJMJcBGlvS
Z1fTFuQPSga44i0PwMM1GoF+QuZ0Jnx5HDltdMV4TG8m6s6F3Gu4a46d59fbQJeg
HUCGSogVnPGwp+8474vwy2nean437VB/4CjFFpJH28ayxbMaKAaxxdL5Dyohl3cG
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 272055447185695161680571153955054679364127
 . . . . . . . . [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 2018-10-23 09:17:06 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-01-21 09:17:06 +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 'centrumbio.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 22253514652796569834973585534217495879550928033861909632311673854189962442793541466825754095681767788558923212419693913453379575454500295869887699281727998836713964322998169581389092986350461418777633452789914532734594880002621313676172346575228642324005788724420462635287318224845038874240600385430722006375512931208665365909739921187713532358091746653334271754423171725346486061713210650222632139846329184879326785360995434133922274658973306121652155416736873754615344182301077388249124716969216533646346324837603743558456353804667837278673604071352561572094837414220515308361878824766527033867560215598302787733179
 . . . . . . . . . . . . . . . . . . . . [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)
							acafb173acf425cf4796c87c7cba6c65f0ed688c
 . . . . . . . . . . . . . . . . [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 (38 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'centrumbio.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.centrumbio.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 (246 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 1.3.6.1.5.5.7.2.2 (unotice)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:12|false] UTF8String 'This Certificate may only be relied upon by Relying Parties and only in accordance with the Certificate Policy found at https://letsencrypt.org/repository/'
 . . . . . . . . . . . . . . . . [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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef007500747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc5600000166a06d8e8e0000040300463044022022d1b6d0b7ff604626028c38d01b835afd101add43fb64696eb9a62b9fd79a9302202399ea01ea805372775d0325cb42b57ca062e8fef3eb678c0f51a2bea0c0873d007600293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f47800000166a06d8e8a0000040300473045022100b4f2ea036a791a624bfa6b89a9ceb901204a333a70003cdc6cf880cf7f2d89a30220490afc986dd965852ffb9cdf6bba9379358f4bae0188152743f989c67521f0bb
 . . . . [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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