www.martinomburajr.com

Issued by R3

About this certificate

This digital certificate with serial number 04:de:02:0a:b9:80:46:60:af:d7:b2:ea:9b:12:2c:32:bf:b1 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:
  • DV certificate contains a subject common name, this is not recommended. If certificate policy 2.23.140.1.2.1 (CA/B BR domain validated) is included, only country and/or common name is allowed in SubjectDN. (BRs: 7.1.2.7.2)
  • Subscriber certificates use of Subject Key Identifier is NOT RECOMMENDED (BRs v2: 7.1.2.7.6)
  • Subscriber Certificate: commonName is NOT RECOMMENDED. (BRs: 7.1.2.7.1)

Certificate Subject

CN=www.martinomburajr.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:de:02:0a:b9:80:46:60:af:d7:b2:ea:9b:12:2c:32:bf:b1
Serial Number (int): 423994543324858242970730971345914785087409
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 83:ed:b7:fe:d9:53:23:cc:f3:7a:61:d8:a5:15:5d:49:25:8e:f5:e3
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): ce:c0:c5:8d:92:89:81:68:2f:02:67:0b:1a:90:90:a8:cf:08:1c:0e
Fingerprint (sha256): 0a:84:4c:90:db:a2:10:d1:92:64:56:32:f3:f2:76:7f:8f:61:02:bb:43:97:98:17:98:df:18:a1:7e:25:bb:55

Issuing Certificate URL: http://r3.i.lencr.org/

Revocation information

OCSP Server: http://r3.o.lencr.org

Check the revocation status for certificate www.martinomburajr.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.martinomburajr.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

www.martinomburajr.com

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Certificate

The complete raw certificate details for www.martinomburajr.com in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAqLqALsueY14cxLyV6q54
xrW1p4jGT2O2MXnEcRkazt7iojppI5Cz9lPtD1dGmJMip/950uOctizj4zNxQkUj
WTpGy/vCT0oN8XnhgajhAKwpVMRzYeQHhosQejSab1DOufDqS0MJZzZZn2C+vfSC
YsxyEoXsGKhtn5qRKFdYa4V0kLFw5I15ABQT/GPrftHjqkpxOOinH6M3Jfx0R0W0
59XnK3KEJPEVPXvfszX5anvYmCstHoGySn0vImn3hWjLdnC4cTMqnHHWSat8TkYa
P1uirjigiPfZGIg2R6YebW1qGhtX7F9uC+fwCkvXycM5tV974CiKAZWFEcs9MnJz
gwIDAQAB
-----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 423994543324858242970730971345914785087409
 . . . . . . . . [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 'R3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-02-20 03:26:09 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-05-20 03:26:08 +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.martinomburajr.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 21300002164045836898782532696352612639194661022547198278971241379594887921518816592027844782160249238991673856934222272487870510176706921170387020822163337203618677090745717157122652612530231573823323162822651878087843284684069567674584166497566827956945595089110869095689618266828071983943142355612379474573599744723258936929678895053499516997067431492270647945186125360829858201396959965873876253428838423841597187444545832905546711681177386359860357747844115186773541869276642353528135672194491687786550639398117397361767015215055491945125015540002867820850335207421725586566846741840265744771349728441058223879043
 . . . . . . . . . . . . . . . . . . . . [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)
							83edb7fed95323ccf37a61d8a5155d49258ef5e3
 . . . . . . . . . . . . . . . . [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 142eb317b75856cbae500940e61faf9d8b14c2c6
 . . . . . . . . . . . . . . . . [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 (73 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://r3.o.lencr.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://r3.i.lencr.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 (26 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.martinomburajr.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 (12 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 1.3.6.1.4.1.11129.2.4.2
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f00076003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018dc4c39af2000004030047304502206a56b6defa80e751edc14f50c3c5c99bb19e1f87ca596c57a68dd0e0d5b21d53022100e184f6fd2d3c0519303b87a36b431708568b2a4f1c42e0784452d44b9d21225b00760076ff883f0ab6fb9551c261ccf587ba34b4a4cdbb29dc68420a9fe6674c5a3a740000018dc4c39b930000040300473045022100967fc0e4756d680f325f5fcea656afe55a54123886ad735def7670195683c4d302204808d454199cb2ab9c5530a474ec0065030b13f4bd96e0d09f9f0d7631ba6a8f
 . . . . [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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