mat.com.pt

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:aa:0a:1b:d4:61:cf:24:f9:98:b5:7a:13:09:23:b6:0e:cf 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=mat.com.pt

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:aa:0a:1b:d4:61:cf:24:f9:98:b5:7a:13:09:23:b6:0e:cf
Serial Number (int): 319198296951433384162806921463413138132687
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: ed:27:6f:53:78:69:65:e2:d0:be:94:0f:1f:7e:33:c7:83:2e:d7:f8
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 44:82:a6:42:2d:71:1f:c9:37:3a:db:6f:29:27:7c:90:75:da:7f:65
Fingerprint (sha256): a0:e6:ba:37:26:63:cf:4d:0d:0d:dc:5a:2d:a8:f3:9c:01:c5:04:98:24:6e:ed:d3:dc:2a:bc:df:ec:a0:b9:19

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 mat.com.pt

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for mat.com.pt

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

8 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

mat.com.pt
www.mat.com.pt

Other certificates including the domain name mat.com.pt

(limited to 100 certificates)
mat.com.pt
mat.com.pt
mat.com.pt
mat.com.pt
www.mat.com.pt
mat.com.pt

Certificate

The complete raw certificate details for mat.com.pt 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 319198296951433384162806921463413138132687
 . . . . . . . . [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 2016-05-04 05:21:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2016-08-02 05:21:00 +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 'mat.com.pt'
 . . . . . . . . [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 764017126035199556707783197264558326198099658680823330288516553028696560626189918545362254178446488592787084800244712380138992385013661980881655116287161393354586325920430697867744921152784748225747644526413668093606136257033119164275466787786660176014263095253128896336396516457936502367617599846801080947379293836682890254609994786004980184886200212181470714861073818007822505535583328274399235282590247322755964222769958328667930530398858504976479291046185406031890120583452960188116510242965873812536761074893276341600573918716374385824399264979883392230717658420990371981078001899540872720916820816721372596345639235092672465569417085017024650968543678669397422653370406610520063949509924455597965385448660334549700257851056088853123997268581253859030668319805361690896512276815883163296872049343961668303181358330611454091165440906405444653061604332648337569624627691568846948847966258493672079068363846986257619782491064349740015508514827183957671506067666538457766693630553181891715557537057515259506488942962813637618185921409144069441557537955204991680815097470565708476311529283241529528471304232060087936034168808717695217170422566579196240384919816095487962486905346916381009027804324040135259453095207581164687038361751
 . . . . . . . . . . . . . . . . . . . . [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)
							ed276f53786965e2d0be940f1f7e33c7832ed7f8
 . . . . . . . . . . . . . . . . [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 (100 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 (30 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'mat.com.pt'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.mat.com.pt'
 . . . . . . . . . . . . . . . . [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 1.2.840.113549.1.1.11 (sha256WithRSAEncryption)
 . . . . . . . . [c:0|t:5|false] NULL 
 . . . . [c:0|t:3|false] BIT STRING (2048 bits)
		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