www.centrumbio.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:1d:9c:46:f1:e9:2a:80:e7:01:89:31:da:7d:d5:24:27:21 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.centrumbio.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:1d:9c:46:f1:e9:2a:80:e7:01:89:31:da:7d:d5:24:27:21
Serial Number (int): 271412774370644530244105113365122937792289
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: ba:0f:73:a6:fc:b7:fc:38:97:ce:73:5d:16:e8:23:44:e4:28:1d:4e
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 4c:84:eb:b6:11:ae:97:e3:70:b2:ab:b4:63:ea:46:61:08:f8:d1:12
Fingerprint (sha256): 5e:ed:13:ac:9d:f2:1e:51:17:6c:c9:ba:14:5e:5b:83:1f:25:20:86:e7:95:02:c5:40:35:8a:19:46:4c:d8:c8

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.centrumbio.com

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.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 www.centrumbio.com in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA3AqICD7SzM+epLPYi30J
Uipq8Czz7BFxllvsEbdHMbYsQbVeune9vuPmnlVqaKVQJcXLindklQoumpy1dQwf
5pdlCKmG7EQCbTvrk/YEddU2JKwE94f6Z1A/tSBpEPiZGVnTlRGwydRn4kGg82hx
jZapmeGI85mtm8FYqP86bFpHPi85pbSinmhyWqKTTNb7RCqvTSpRD7mXvTx02+yY
n36lsP5sUCsbXOPT4g04pz816bavfyTCnTETu6bcPKfnmQIWudWK3k6HmxGlerAz
S4C2Mr818CtjIBTFpj4fBsysF6poh5Bd97O7KqJBKoQElKWPe5HsMuCSz3AFNO2X
0wIDAQAB
-----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 271412774370644530244105113365122937792289
 . . . . . . . . [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 2018-08-24 10:06:34 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2018-11-22 10:06:34 +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.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 27777620307500987310239109807313041909529166118012371787544235628892815770933605287126902531198769757500074294872462608393182861539175780749673648378822112239637505791956196756315769895145240695667052694084673481128563179726826610397091139891744066892909042693863550165755077554655003410637046669575789595376617261113020685764458131329369997789215095799748813082749288800685362412938143569381897422832660846355382117785311675496477144722889827037749327645074251433675344352130707681824044039951279109001041154580902280172384466615195413084928200904238054145796085625291656896751172060505310872056462886390706941564883
 . . . . . . . . . . . . . . . . . . . . [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)
							ba0f73a6fcb7fc3897ce735d16e82344e4281d4e
 . . . . . . . . . . . . . . . . [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)
							00ef007500c1164ae0a772d2d4392dc80ac10770d4f0c49bde991a4840c1fa075164f63360000001656b9d4a200000040300463044022027e84bf7ceed6399dff68008fe39e01b2f48672791dd22e84a12f329be66abfc02206d168d175b9ed1f1f2ca3ba386fc0f06eae138c3ef1532c1f639b6ea9fb75e23007600293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f478000001656b9d4c29000004030047304502210088285d276ebf3607b84ce15fa050009499b3ca7a07612ee4861e0e9d23bfd8c702206bc72120b93876abc22338f872e9eeb6706db06a9d226eb1c4c9db316085e852
 . . . . [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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