blog.gengo.com

Issued by R3

About this certificate

This digital certificate with serial number 03:64:c9:1d:b4:83:7c:92:64:cd:9e:44:cc:cd:1d:81:35:45 was issued on by Let's Encrypt.

This certificate is currently not expired, we haven't checked the revocation status of this certificate but you can do this simply on revocationcheck.com. 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=blog.gengo.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate will expire on

Certificate Details

Serial Number (hex): 03:64:c9:1d:b4:83:7c:92:64:cd:9e:44:cc:cd:1d:81:35:45
Serial Number (int): 295632423552387422953750502201338296874309
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 64:e9:a8:c4:58:a6:cf:9d:e5:a3:ad:8c:7d:c5:fb:eb:51:fc:03:57
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 48:26:38:04:46:46:dd:67:52:8a:7e:9a:e8:fe:71:7d:e4:69:23:b4
Fingerprint (sha256): 09:ed:fa:65:a3:18:f9:6a:c2:0c:e2:84:ea:a4:02:06:94:8e:6f:74:da:c4:59:0b:6d:97:6e:17:61:46:4f:af

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

Revocation information

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

Check the revocation status for certificate blog.gengo.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for blog.gengo.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

blog.gengo.com

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Certificate

The complete raw certificate details for blog.gengo.com in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAtBQ+571FAjnVl2Yb5pWI
qyHjRLPSExfobeWtMXWWC1PUZPwmYxyVxclPP2SnXmg3Q9p3eOAP8Zj3ZB4qNhQt
GtYNcaa6wOg0s3PdKJZqVsE4qqR+Aosw1CvCOkZXQeZWxbz5JfMp1wOpFsRvJ1Vg
8wOSB3S937ic4Mg7KzUpIlfB95Yi9ZePtIlPqXzNmAmrGNTzRgXmO/eOw4o8E2z5
4AfA+MaQzmpRFZE3wG4Tl0W4j2JZzLaW+bZRab4YoXpliTqQkxNByUZ1Yhfsd06p
uD0d7uWe4hb9Sp38PJggvyRY+J51beMOYaglbStPeAzPCY0TrqhF3CAvuV2iYgox
pQIDAQAB
-----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 295632423552387422953750502201338296874309
 . . . . . . . . [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 2024-06-03 02:02:21 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-09-01 02:02:20 +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 'blog.gengo.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 22732878432270357212544496547205850951122383969706538229115598486595014950520462559866867966841789517062863476297252538807174664741852199251930450546104800289732481905878491179812812849539385588103041479862914415655410237975486937347311473246012832095988844272438055326221770901674854931346400216464663552682710716727273836534950070281107962420553847368662675658509473529263748653283076842974748286510914176701116416832291488923994950994246982031601439745110345935102756614410103008233939055874654098209331190896695642058289965733051174154454283917107307712962937820645729880294130185075735899654293428266581522788773
 . . . . . . . . . . . . . . . . . . . . [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)
							64e9a8c458a6cf9de5a3ad8c7dc5fbeb51fc0357
 . . . . . . . . . . . . . . . . [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 (18 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'blog.gengo.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)
							00f000760048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018fdc0c40550000040300473045022100b6c7669a9176a8489ad3deb0141d9c00fedf899ba3c3de3843e81a712585a05a0220361c22d37fa8d4f397f196c660f41c86453cf151cf6124bbc0aae6b747a44439007600dfe156ebaa05afb59c0f86718da8c0324eae56d96ea7f5a56a01d1c13bbe525c0000018fdc0c4132000004030047304502202eb2e481304d91d521851ba12898995b7d43e09acbbeeb9aba8a03a0e710af2b022100f5abc4b393fbb444d63272b586e216cab91cae5c9702a7761fd184ee15a5d2da
 . . . . [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)
		006bad7991b8324af9ae8d77c4e8b172f3e40cb80ffd3ef8eed7a85350c89afe3bdd39f7a1c9734ead34e3ad49c34b8a66866bbaa7860bffb64bb7846d79e3965a0a019671c3eb14c1ffb08370cdbbdd335dea69d26bd4c29ef4673f01f4803248d46c9beb34a32d17426ef625392444ed876b8ae624fc7d921d8994e3081755393a0fb368702bc0834a059df98b09590fd6aae93f4afadee87e19a342f6c0b114242e35501cf94287c98e769348740d62cd14ddb7c46d49c55ef1e3308c4841c4989d74a38c526d5162a4b51ba692709bd5062ca3177e0485e2ada3c46996612b9df25e7b18c9ed2ec2f0f408f8458e8f7af21f4707f2dece9a6809a46cf69142