blog.mailigen.com
Issued by R3
About this certificate
This digital certificate with serial number 03:20:ba:b3:86:d8:d3:4c:9f:af:e2:72:a6:89:b1:25:54:c2 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=blog.mailigen.com
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:20:ba:b3:86:d8:d3:4c:9f:af:e2:72:a6:89:b1:25:54:c2Serial Number (int): 272474062100126006819145597544608005706946
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: fe:c9:1a:1f:91:18:5d:a2:cf:d6:18:ce:4a:dd:4e:85:2a:15:96:fa
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6
Fingerprint (sha1): cf:cd:bf:e2:7f:8c:a2:59:79:3c:53:7b:f9:6f:72:05:94:e9:2b:b9
Fingerprint (sha256): 02:10:ca:9e:d9:34:8f:95:20:0c:bd:0e:00:38:10:b8:4b:28:01:1a:fb:06:6d:38:1c:8c:08:9a:a2:09:0b:6e
Issuing Certificate URL: http://r3.i.lencr.org/
Revocation information
OCSP Server: http://r3.o.lencr.orgCheck the revocation status for certificate blog.mailigen.com
1
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for blog.mailigen.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.mailigen.com
Other certificates including the domain name mailigen.com
(limited to 100 certificates)
backend.omega.onappcdn.com
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shopify.mailigen.com
signup.mailigen.com
blog.mailigen.com
url.mailigen.com
backend.omega.onappcdn.com
mailigen.com
*.r.worldssl.net
mailigen.com
mailigen.com
archive.bp.mlgn2usa.com
*.mailigen.com
jira.mailigen.com
support.mailigen.com
backend.omega.onappcdn.com
mailigen.com
login.mailigen.com
mailigen.com
*.mailigen.com
signup.mailigen.com
*.mailigen.com
list.mailigen.com
backend.omega.onappcdn.com
dev.mailigen.com
support.mailigen.com
confluence.mailigen.com
login.mailigen.com
*.mailigen.com
admin.mailigen.com
mlgn.to
*.mailigen.com
archive.bp.mlgn2usa.com
backend.omega.onappcdn.com
*.mailigen.com
jira.mailigen.com
dev.mailigen.com
leadersend.com
*.r.worldssl.net
*.r.worldssl.net
support.mailigen.com
url.mailigen.com
api.mailigen.com
confluence.mailigen.com
login.mailigen.com
archive.bp.mlgn2usa.com
shopify.mailigen.com
backend.omega.onappcdn.com
*.mailigen.com
*.mailigen.com
shopify.mailigen.com
backend.omega.onappcdn.com
academy.mailigen.com
survey.mailigen.com
support.mailigen.com
*.mailigen.com
leadersend.com
signup.mailigen.com
*.mailigen.com
shopify.mailigen.com
survey.bp.mlgn2usa.com
backend.omega.onappcdn.com
*.mailigen.com
archive.mailigen.com
mailigen.com
*.mailigen.com
*.mailigen.com
mailigen.com
support.mailigen.com
blog.mailigen.com
shopify.mailigen.com
confluence.mailigen.com
survey.mailigen.com
archive.mailigen.com
survey.bp.mlgn2usa.com
mailigen.com
archive.mailigen.com
list.bp.mlgn2usa.com
shopify.mailigen.com
jira.mailigen.com
*.mailigen.com
mailigen.com
leadersend.com
list.bp.mlgn2usa.com
*.mailigen.com
*.r.worldssl.net
backend.omega.onappcdn.com
survey.bp.mlgn2usa.com
gocd.mailigen.com
survey.mailigen.com
*.leadersend.com
admin.mailigen.com
gl.mailigen.com
gl.mailigen.com
*.r.worldssl.net
*.mailigen.com
leadersend.com
*.mailigen.com
*.mailigen.com
*.mailigen.com
*.mailigen.com
shopify.mailigen.com
signup.mailigen.com
blog.mailigen.com
url.mailigen.com
backend.omega.onappcdn.com
mailigen.com
*.r.worldssl.net
mailigen.com
mailigen.com
archive.bp.mlgn2usa.com
*.mailigen.com
jira.mailigen.com
support.mailigen.com
backend.omega.onappcdn.com
mailigen.com
login.mailigen.com
mailigen.com
*.mailigen.com
signup.mailigen.com
*.mailigen.com
list.mailigen.com
backend.omega.onappcdn.com
dev.mailigen.com
support.mailigen.com
confluence.mailigen.com
login.mailigen.com
*.mailigen.com
admin.mailigen.com
mlgn.to
*.mailigen.com
archive.bp.mlgn2usa.com
backend.omega.onappcdn.com
*.mailigen.com
jira.mailigen.com
dev.mailigen.com
leadersend.com
*.r.worldssl.net
*.r.worldssl.net
support.mailigen.com
url.mailigen.com
api.mailigen.com
confluence.mailigen.com
login.mailigen.com
archive.bp.mlgn2usa.com
shopify.mailigen.com
backend.omega.onappcdn.com
*.mailigen.com
*.mailigen.com
shopify.mailigen.com
backend.omega.onappcdn.com
academy.mailigen.com
survey.mailigen.com
support.mailigen.com
*.mailigen.com
leadersend.com
signup.mailigen.com
*.mailigen.com
shopify.mailigen.com
survey.bp.mlgn2usa.com
backend.omega.onappcdn.com
*.mailigen.com
archive.mailigen.com
mailigen.com
*.mailigen.com
*.mailigen.com
mailigen.com
support.mailigen.com
blog.mailigen.com
shopify.mailigen.com
confluence.mailigen.com
survey.mailigen.com
archive.mailigen.com
survey.bp.mlgn2usa.com
mailigen.com
archive.mailigen.com
list.bp.mlgn2usa.com
shopify.mailigen.com
jira.mailigen.com
*.mailigen.com
mailigen.com
leadersend.com
list.bp.mlgn2usa.com
*.mailigen.com
*.r.worldssl.net
backend.omega.onappcdn.com
survey.bp.mlgn2usa.com
gocd.mailigen.com
survey.mailigen.com
*.leadersend.com
admin.mailigen.com
Certificate
The complete raw certificate details for blog.mailigen.com in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIID/DCCAuSgAwIBAgISAyC6s4bY00yfr+JypomxJVTCMA0GCSqGSIb3DQEBCwUA MDIxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQswCQYDVQQD EwJSMzAeFw0yMzEwMTYyMDE1NDNaFw0yNDAxMTQyMDE1NDJaMBwxGjAYBgNVBAMT EWJsb2cubWFpbGlnZW4uY29tMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKC AQEAs5ZkPjGty12b8o0rGc5n5sluE9OTFUNEpfdkbXxN4QjeWj2m1rTWaicwsOC6 YDVDlLzKz2NavuaVNRjRITtVvGCL4jh/W/rbH/baZ8iCv9AvQAigpQ7pFrknIWuT XqGywpfg5ARnPwYwFLbl9NcEPgXYiqHoiRrx+QUqtJWj5IwOz3W+boGhPqlp0tJk PoKCG23lyN6+ll2ZjPWcDU4mV9dBKDE1akQN79XT87o2/eKFaO508ehckhKTfaQm 467gcciDhLhFebpEe37l2atrcOVaqkTiwYzfpnmiXMZgxoiCtlXQiDpSDspv5DqB ejMtT6Aal3AEKYeXDXdDia6bfwIDAQABo4IBIDCCARwwDgYDVR0PAQH/BAQDAgWg MB0GA1UdJQQWMBQGCCsGAQUFBwMBBggrBgEFBQcDAjAMBgNVHRMBAf8EAjAAMB0G A1UdDgQWBBT+yRofkRhdos/WGM5K3U6FKhWW+jAfBgNVHSMEGDAWgBQULrMXt1hW y65QCUDmH6+dixTCxjBVBggrBgEFBQcBAQRJMEcwIQYIKwYBBQUHMAGGFWh0dHA6 Ly9yMy5vLmxlbmNyLm9yZzAiBggrBgEFBQcwAoYWaHR0cDovL3IzLmkubGVuY3Iu b3JnLzAcBgNVHREEFTATghFibG9nLm1haWxpZ2VuLmNvbTATBgNVHSAEDDAKMAgG BmeBDAECATATBgorBgEEAdZ5AgQDAQH/BAIFADANBgkqhkiG9w0BAQsFAAOCAQEA oBM5s4B+HQvDoq9FUYwlZihaFHV2oO95GFjZ57gkvZHyorHXlg4i4zQ5Ppi0icb4 4oCbOybTZ2DzH19TnMxNIfo9dvCuGaKy38e2tzssEbnAeET5Ygxjf+U2oB+hzt25 pSNBjuGRHZ3J25Ni7xeXvtBGTX8WRJ/ViowlKltmaUlRiU0alpvNQiddiWP1MRKb ng+f3PQ/tReeVmDqhRuKNG3aFLmM7ootPm/ITnQX5J07PzBbIFNDk7bioCiFanf7 laRaC6uzFyitXXSbV137I1kBHsie/wHHZ0GvEMP4w2HpKDFrasvjn/RBQ/IpXw05 7GD7MpIUoXOCwi/g3mKE1w== -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAs5ZkPjGty12b8o0rGc5n 5sluE9OTFUNEpfdkbXxN4QjeWj2m1rTWaicwsOC6YDVDlLzKz2NavuaVNRjRITtV vGCL4jh/W/rbH/baZ8iCv9AvQAigpQ7pFrknIWuTXqGywpfg5ARnPwYwFLbl9NcE PgXYiqHoiRrx+QUqtJWj5IwOz3W+boGhPqlp0tJkPoKCG23lyN6+ll2ZjPWcDU4m V9dBKDE1akQN79XT87o2/eKFaO508ehckhKTfaQm467gcciDhLhFebpEe37l2atr cOVaqkTiwYzfpnmiXMZgxoiCtlXQiDpSDspv5DqBejMtT6Aal3AEKYeXDXdDia6b fwIDAQAB -----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 272474062100126006819145597544608005706946 . . . . . . . . [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 2023-10-16 20:15:43 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-01-14 20:15:42 +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.mailigen.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 22670817438079558957917215342701413530154134931988573771607494647304038844819027317349628025133445482268124510045341441763613135064846057207771969323129986595685593310544286095750712536681104892597178775432667795182386080922623815017544519446819881013379764790581683204233529089002132071370590002496904485632678623601259160049589128603513177434468145891444308128885763633330008000790826522635800271080652752160793708246938728118279149153738992492695195820133161681079731832399967579414798692582942527297797573257284006865128629861695015576512412047969854077266716818612181439634532346063309188652121114777977617292159 . . . . . . . . . . . . . . . . . . . . [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) fec91a1f91185da2cfd618ce4add4e852a1596fa . . . . . . . . . . . . . . . . [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 (21 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'blog.mailigen.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 1.3.6.1.4.1.11129.2.4.3 (CT Precertificate Poison) . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN true . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (2 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:5|false] NULL . . . . [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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