*.leadersend.com
Issued by R3
About this certificate
This digital certificate with serial number 03:0e:64:9d:52:df:80:b1:f7:e7:63:83:f2:a1:f0:0b:bd:98 was issued on by Let's Encrypt.
With 3 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=*.leadersend.com
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:0e:64:9d:52:df:80:b1:f7:e7:63:83:f2:a1:f0:0b:bd:98Serial Number (int): 266234550603224456955525019002428373843352
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 6f:6e:c6:3f:3c:4c:e8:d5:26:de:ea:9c:68:03:74:10:b7:98:28:fa
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6
Fingerprint (sha1): 63:71:4e:a5:f7:af:1f:7a:d5:3f:b0:28:2d:16:0d:1e:30:9f:5c:fc
Fingerprint (sha256): 1b:a0:a0:c0:c6:10:53:55:d1:3b:21:ba:67:80:2e:6c:64:b2:b0:9a:d2:8b:5d:07:fc:ce:52:f1:d2:0e:67:db
Issuing Certificate URL: http://r3.i.lencr.org/
Revocation information
OCSP Server: http://r3.o.lencr.orgCheck the revocation status for certificate *.leadersend.com
3
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for *.leadersend.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
*.leadersend.com
ct.mailigen.com
track.mailigen.com
ct.mailigen.com
track.mailigen.com
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leadersend.com
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leadersend.com
leadersend.com
leadersend.com
leadersend.com
*.leadersend.com
*.leadersend.com
leadersend.com
leadersend.com
mx2.mailigen.com
*.leadersend.com
*.leadersend.com
leadersend.com
leadersend.com
leadersend.com
mx2.mailigen.com
mx2.mailigen.com
leadersend.com
mx2.mailigen.com
mx2.mailigen.com
mx2.mailigen.com
mx2.mailigen.com
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leadersend.com
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*.leadersend.com
mx2.mailigen.com
mx2.mailigen.com
mx2.mailigen.com
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leadersend.com
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leadersend.com
www.leadersend.com
leadersend.com
mx2.mailigen.com
*.leadersend.com
mx2.mailigen.com
mx2.mailigen.com
mx2.mailigen.com
mx2.mailigen.com
mx2.mailigen.com
mx2.mailigen.com
leadersend.com
Certificate
The complete raw certificate details for *.leadersend.com in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIEWDCCA0CgAwIBAgISAw5knVLfgLH352OD8qHwC72YMA0GCSqGSIb3DQEBCwUA MDIxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQswCQYDVQQD EwJSMzAeFw0yMTExMTQxMDQxMzRaFw0yMjAyMTIxMDQxMzNaMBsxGTAXBgNVBAMM ECoubGVhZGVyc2VuZC5jb20wggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIB AQC5q54PoZufJehh4bhyVKb7WVcQzWdNNrkJ98463GpmFpnuX7L3m7Yg/TrUGJTI Y7rLOQ2V19r7Gg47iJTDoLMUr1zl+np9SyGaM6gtEhM5Zx9+mZas+BsCVmJQdlJ/ 8xtoTahq4IiURQwJqdsD3z2UUY7/EqSmS1qyn2WslNL9/mZwp+oIERcbOEYdVPYW weN6GwtbA1iOI++QVKtmxKegDV8K4MuEdMMlYnUVSqZfvKzGMjuhio25tgI2O+ei VRp9moPoT7utJBf5badJxaeR/BJdgjmHvLqDSaU3MJUvR5srCjR7XiDyoFzZY03L cQhJ4V3j6/PZ0QjKylY+QbePAgMBAAGjggF9MIIBeTAOBgNVHQ8BAf8EBAMCBaAw HQYDVR0lBBYwFAYIKwYBBQUHAwEGCCsGAQUFBwMCMAwGA1UdEwEB/wQCMAAwHQYD VR0OBBYEFG9uxj88TOjVJt7qnGgDdBC3mCj6MB8GA1UdIwQYMBaAFBQusxe3WFbL rlAJQOYfr52LFMLGMFUGCCsGAQUFBwEBBEkwRzAhBggrBgEFBQcwAYYVaHR0cDov L3IzLm8ubGVuY3Iub3JnMCIGCCsGAQUFBzAChhZodHRwOi8vcjMuaS5sZW5jci5v cmcvMEAGA1UdEQQ5MDeCECoubGVhZGVyc2VuZC5jb22CD2N0Lm1haWxpZ2VuLmNv bYISdHJhY2subWFpbGlnZW4uY29tMEwGA1UdIARFMEMwCAYGZ4EMAQIBMDcGCysG AQQBgt8TAQEBMCgwJgYIKwYBBQUHAgEWGmh0dHA6Ly9jcHMubGV0c2VuY3J5cHQu b3JnMBMGCisGAQQB1nkCBAMBAf8EAgUAMA0GCSqGSIb3DQEBCwUAA4IBAQCUMniy VzuHbWZX77ioVLLqzMOUiOWPgV8RrVFlGwKCyhAceEb02GA3k2Ywv2IMpR+QhSJ5 Hax2yIjjbxqOCTJgXuchi0yBeTBBcYlp8A3ZVQ5gy7/DkwamV8U80QwfjT3b50mN wa2OSDN/dddZjRk4RbquQ1Pzs0TgD/ayfhyNB69x5yq5jEsL/DSwWrrkTmOH2wnJ pmuujCEJt5MhfRSEcuFKuHaC+wYnNWVoFJy8U4mrim5uvXL++LpEDP8g/9JtcfK8 jYH5SRRxYGTFs8c0Wq+JTf4FmTVso1TNBfT1jwg4/RcdDFyZHy1CNoU3NSTcOHkB pkQtBhe9HjafVkJG -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAuaueD6GbnyXoYeG4clSm +1lXEM1nTTa5CffOOtxqZhaZ7l+y95u2IP061BiUyGO6yzkNldfa+xoOO4iUw6Cz FK9c5fp6fUshmjOoLRITOWcffpmWrPgbAlZiUHZSf/MbaE2oauCIlEUMCanbA989 lFGO/xKkpktasp9lrJTS/f5mcKfqCBEXGzhGHVT2FsHjehsLWwNYjiPvkFSrZsSn oA1fCuDLhHTDJWJ1FUqmX7ysxjI7oYqNubYCNjvnolUafZqD6E+7rSQX+W2nScWn kfwSXYI5h7y6g0mlNzCVL0ebKwo0e14g8qBc2WNNy3EISeFd4+vz2dEIyspWPkG3 jwIDAQAB -----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 266234550603224456955525019002428373843352 . . . . . . . . [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 2021-11-14 10:41:34 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2022-02-12 10:41:33 +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:12|false] UTF8String '*.leadersend.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 23438714125606384206039617862745094937280553877171601045926242677898279323622426593291037540804164621485066146392398887842596237483019940459153529522662026888603008626427130562390865157061606891966551970521650148025044622656792494707909933801872293516019626695411797645611223365133296822249770387389116011411500826992684496497083599594047822226787474185740895001301887262882401486485125904587926353967383206904297086679140131324738325728807906034494260957275175798274258150214155977508318102473647044964516605634771728738462297399062652699853206027347665114818441130120309174728675257191005722631456198490693776291727 . . . . . . . . . . . . . . . . . . . . [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) 6f6ec63f3c4ce8d526deea9c68037410b79828fa . . . . . . . . . . . . . . . . [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 (57 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.leadersend.com' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'ct.mailigen.com' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'track.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 (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 1.3.6.1.4.1.11129.2.4.3 (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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