warepro.pt

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:26:48:8f:6c:a8:28:54:38:b5:34:9d:d9:96:5c:41:86:0f was issued on by Let's Encrypt.

With 9 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=warepro.pt

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:26:48:8f:6c:a8:28:54:38:b5:34:9d:d9:96:5c:41:86:0f
Serial Number (int): 274364036856246735689413578636681323578895
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 98:6e:98:25:22:54:9e:c2:b9:76:ca:3e:ee:4d:1a:a1:8e:68:67:e9
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): e0:4b:2d:d8:25:ae:7c:fa:6b:dd:9a:01:f5:07:1a:95:f6:74:62:45
Fingerprint (sha256): 58:b1:e0:b5:e4:55:13:62:09:03:d7:d0:49:7b:a2:e3:d7:b6:15:97:37:68:dd:b5:ac:30:bb:6e:56:ac:21:d3

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 warepro.pt

9

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for warepro.pt

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

cpanel.warepro.pt
mail.warepro.pt
newsletter.warepro.pt
warepro.pt
webdisk.warepro.pt
webmail.warepro.pt
whm.warepro.pt
www.newsletter.warepro.pt
www.warepro.pt

Other certificates including the domain name warepro.pt

(limited to 100 certificates)
warepro.pt
warepro.pt
newsletter.warepro.pt
warepro.pt
warepro.pt
warepro.pt
newsletter.warepro.pt
warepro.pt
warepro.pt
warepro.pt
newsletter.warepro.pt
warepro.pt
warepro.pt
warepro.pt
www.warepro.pt
warepro.pt
www.warepro.pt
warepro.pt

Certificate

The complete raw certificate details for warepro.pt in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAyu7o2E+tm0/ZFDHnupMY
Qn1LgLYYirgCqsbwNnqw8bq2ItPdmc2g9g5/yK6c3fvLCjX+6pEm3UjCoHhNHChz
LegzWiRN/RojB2tU1FDY0VId+WtgL+a+brQAVtL3AXJgW1Y+XIIB0OJj9cSGnw20
oB4/LtuPkiLskUGfpM2Aibw06a0wxRJT+HVScgO/XLQRNNhAi3ubvWKJCuoGZ8Eb
yJ6sGC7R3h1O6brJbBbv97L1HF5LnTQ8LDCnvcXVBMR3xz7x14lW6QMUT9ng1v/Z
lDNY7JyvPZu8w33+qaZOFfrZTxrXeLR8jEJ/pll0KtfwWsYaUevA6cvDbWZc1wM+
qwIDAQAB
-----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 274364036856246735689413578636681323578895
 . . . . . . . . [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 2019-02-11 21:47:07 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-05-12 21:47:07 +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 'warepro.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 (2160 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 25617948293432743896293465806453135274186473331380087314783583581647741480212054199839972964154423987551872855896265914287088030746868693381895201064096872810744313813252583757244355987585213669763238473291322854672250312117610902271707110464397988570756582411376087768106996100710549256758359661924939686867185227142342366388563810873804415378946085519004825125291961273199387063167841647135072910670604240802493367051826940951967164267927443788669675267132796339632735970524776334344699496268053686468315444583262070707617183230566054119324773899818437111697357279257791979870731534304042998466027727890043027799723
 . . . . . . . . . . . . . . . . . . . . [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)
							986e982522549ec2b976ca3eee4d1aa18e6867e9
 . . . . . . . . . . . . . . . . [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 (173 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'cpanel.warepro.pt'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'mail.warepro.pt'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'newsletter.warepro.pt'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'warepro.pt'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'webdisk.warepro.pt'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'webmail.warepro.pt'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'whm.warepro.pt'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.newsletter.warepro.pt'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.warepro.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 (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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f0007600e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f2893019dddf1dbfe00000168debe1c9f00000403004730450220525fab87cf1b777e366db1e954f6482f28a437a8c813652109285b264c394170022100a0048f6b18e93f9afd9a05446f6a0dae265205b7709aa2b97fdd4ecf4c775b6d007600293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f47800000168debe1ceb00000403004730450221008e688615b160d01efba18d139769f22fe33ec10db7a79b12f4a6929d4a78611d022053c542f31e82d8ac4df462e228f03361ec6ebd58f995ddbc6de02e3c9f64d616
 . . . . [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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