www.masterag.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:2c:6e:11:3d:b0:ff:24:8b:48:08:d6:85:28:80:32:b6:62 was issued on by Let's Encrypt.

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.masterag.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:2c:6e:11:3d:b0:ff:24:8b:48:08:d6:85:28:80:32:b6:62
Serial Number (int): 276455586539635073452183396961079482562146
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: f0:ba:d9:6c:2b:94:10:fc:97:9b:5a:63:e8:64:9e:b4:3f:ee:7c:3e
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 34:78:15:9b:5a:75:d5:8c:10:a2:6c:83:74:32:3e:84:d6:7f:6d:9a
Fingerprint (sha256): b6:6b:0b:a5:d5:92:a6:0b:62:c5:b2:2c:0e:d4:c9:d9:82:93:c5:91:3b:b3:f8:a0:50:80:bf:1f:e5:a7:a7:69

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.masterag.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.masterag.com

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

9 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

www.masterag.com

Other certificates including the domain name masterag.com

(limited to 100 certificates)

Certificate

The complete raw certificate details for www.masterag.com 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 276455586539635073452183396961079482562146
 . . . . . . . . [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 2020-02-17 21:36:46 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-05-17 21:36:46 +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.masterag.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 (4208 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 934065559906164185741837234728622234982334647525327535690139133523698629708626267565600517047665714206635835800649777415134969569058879618374069382387715501575713291039136441534623675203522369456687356338343640389458904783266480392432227915575335812315030493782827574741200692894509860222258662012695888249024724857267196155328971349134476331450992818982632314986142919268536298804545696243235992926558503860721104609697579895168354649297410325642439766956477647267002880878505648766557141316677956984644552849973737294042980318989202684545083709562405796045034893300542216288833165270023039289821431907008023584008099313312873342470904732945862796710531481718714157363833252367986960806972652005670241178020899595073390916615481606536077169478279916924745386661988359791899624441159322404408342989455140396747669736370841191286425001147026439591926553106399217545395503710246682331771939500830619673500123891230959189856540338037466873321610031946870295868936675429791471433988267275233351781569219934894414724586074349785770103979946115800240129064179924520903370110249631577633164114442816047905681629164490517984345221061956853786833205974997040582468867562511885326403943221616003453020101329950748852682932874455250487425342753
 . . . . . . . . . . . . . . . . . . . . [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)
							f0bad96c2b9410fc979b5a63e8649eb43fee7c3e
 . . . . . . . . . . . . . . . . [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 (20 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.masterag.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 (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)
							00f00076005ea773f9df56c0e7b536487dd049e0327a919a0c84a11212841875968171455800000170554bf5840000040300473045022100bbb3d37ea3d242104519f4e52c08a3d4d77edd35399c15bad59e4d3add9931c602200ffee036d64f54f5c5652415f4badf2bfa4766dc71b24c622eb56443e30ec607007600b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e00000170554bf5720000040300473045022052618744fdae6a8a103fafebf63977a24f73b7d1717daadbb580ea92b27b735e022100b59e83f474f28aa816833b316dd88b0dcdcea135660821bf780089139bf8d264
 . . . . [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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