mat.com.pt

Issued by Let's Encrypt Authority X1

About this certificate

This digital certificate with serial number 01:e5:18:50:8b:33:25:30:25:f0:8a:16:3d:27:0e:02:c8:be 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): 01:e5:18:50:8b:33:25:30:25:f0:8a:16:3d:27:0e:02:c8:be
Serial Number (int): 165069267635609755895673788480774356519102
Serial Number lenght: 137 bits, 18 octets

SubjectKeyId: a2:72:b2:f5:09:65:7d:57:71:65:9c:c1:e2:a7:1b:62:9b:43:f5:6a
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): bb:f7:53:57:f0:af:a1:a6:7f:68:9f:bc:4e:8b:be:47:52:13:6b:88
Fingerprint (sha256): 00:01:22:d9:c4:48:75:50:8f:42:e0:09:99:2a:57:95:61:10:ef:7d:5c:06:d9:1f:33:c4:ea:b6:aa:4f:81:ef

Issuing Certificate URL: http://cert.int-x1.letsencrypt.org/

Revocation information

OCSP Server: http://ocsp.int-x1.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 165069267635609755895673788480774356519102
 . . . . . . . . [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 X1'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2016-03-22 18:59:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2016-06-20 18:59:00 +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 711135624193758602516398067526620477390717728144184970941936801989854082639467732764666040779213220551916214285363838057276700563914609762704471708190563331427561211153579160103088036187853655655997561151337212949669835017792050690710680374053927789404145864777160467614601577701499163489703907281659525520173262074779887902494084105054089961491147633331868034672823705647180867076353472070934301451729463968710053981565696874272611287032546249963702492951444706260428117219209344564574960624706669807137555085796948349050589152339324921134733133749357868590380830518556519196136959612600065443255190059001739587029753880091169363743937572808328329483978683991729827345963599509542739807247502676061990443279213076321190334431344805112412958490919796138841354815578422887223205213610966289385718440012848105665940646090802132064853456365957309182349362445462357846206521054055707295556020247411365038705678601449863617626586245169157070905765551165043182297314467070472920051183444149130973387243269554161082543710062701233118772989421104727732999074725435069812277864485876744717029645924595653660589405876323398838970530774525426958126053116363800227553856045620882856113185142187814946190385098999812934661946037349087217020494881
 . . . . . . . . . . . . . . . . . . . . [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)
							a272b2f509657d5771659cc1e2a71b629b43f56a
 . . . . . . . . . . . . . . . . [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-x1.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-x1.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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