i7mail.net

Issued by R3

About this certificate

This digital certificate with serial number 04:12:c4:75:33:d4:b3:e3:5b:05:df:ad:e6:da:5f:5d:31:37 was issued on by Let's Encrypt.

With 6 subject alternative names this certificate can be used to secure multiple fqdn's. 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=i7mail.net

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate will expire on

Certificate Details

Serial Number (hex): 04:12:c4:75:33:d4:b3:e3:5b:05:df:ad:e6:da:5f:5d:31:37
Serial Number (int): 354835363568779103926780031129026738073911
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: e3:53:8e:2c:64:da:17:59:a4:89:3d:ec:15:95:87:f2:80:f6:84:9a
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): fa:9a:16:35:40:1d:af:72:53:6a:d3:88:e4:96:e5:f4:50:c4:25:2c
Fingerprint (sha256): 13:d0:7d:71:2d:f1:b3:cb:b4:5f:bb:9a:0d:d5:d9:e0:42:fa:c5:14:8c:50:7d:91:90:e9:1a:a2:9f:c5:a4:c8

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

Revocation information

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

Check the revocation status for certificate i7mail.net

6

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for i7mail.net

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

autoconfig.i7mail.net
autodiscover.i7mail.net
i7mail.com
i7mail.net
www.i7mail.com
www.i7mail.net

Other certificates including the domain name i7mail.net

(limited to 100 certificates)
i7mail.net
i7mail.net
pro.i7mail.net
i7mail.net
i7mail.net
filter.i7mail.net
filter.i7mail.net
*.i7mail.net
i7mail.net
i7mail.net
pro.i7mail.net
pro.i7mail.net
pro.i7mail.net
i7mail.net
i7mail.net
pro.i7mail.net
pro.i7mail.net
i7mail.net
i7mail.net
i7mail.net
pro.i7mail.net
*.i7mail.net
pro.i7mail.net
i7mail.net
pro.i7mail.net
pro.i7mail.net
i7mail.net
filter.i7mail.net
*.i7mail.net
i7mail.net
i7mail.net
i7mail.net
i7mail.net
*.i7mail.net
pro.i7mail.net
i7mail.net
i7mail.net
i7mail.net
pro.i7mail.net
i7mail.net
i7mail.net
i7mail.net
i7mail.net
pro.i7mail.net
i7mail.net
pro.i7mail.net
pro.i7mail.net
pro.i7mail.net
i7mail.net
i7mail.net
pro.i7mail.net
*.i7mail.net
i7mail.net
pro.i7mail.net
i7mail.net
filter.i7mail.net

Certificate

The complete raw certificate details for i7mail.net in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAoolDkE8WAHKLoFeBkmWe
Q1OzuViQB4IQwwikgYVW8t7zUPam+ej8DQgbHRlMSs++AJULaq9dKHUyY/FJCbMh
dgcSsnGAl1jtzExGYivqntrUyLEUrehhbubsPx270gH1eX+NE8TAmxXTVvVnn4am
0vJ1JjYYE2Wq4fj9JGVhjgRw9hX9jb1wxvG4DQIW7nDHoptRt++x0qfNTp0ClMwb
j/go95CRlNtOwO6roKLhphZpU1XIq/jl+ID/Qn0h7Ic7fiEHxXIrVvbE9cw7NlGC
LNbs6Q8ivRqaInlBh8mV0RE1ID6dEJGrWriktmuU5/aQUPEAqnBQ5tO+dB16LQdt
VQIDAQAB
-----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 354835363568779103926780031129026738073911
 . . . . . . . . [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 2024-05-17 10:46:35 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-08-15 10:46:34 +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 'i7mail.net'
 . . . . . . . . [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 20518292766555752129016865286958653611636820431438873196680206861569476408700574317589599789312314735929934039488633419363799885145068359329079246173249848846592440572795067977874824739497515195112139102719361554142096056029030650457990184904061990490830258231648353068593184425309481342014887933831505711891776032284315428430370100659361457855440915184947434489253886256316620445277496318931319014162085047806983342770179288947161362705156755657379977820357565648418685376793004806890958672804819252514403606570755701359175376141017925953579529013210548846602981841105809083623508618408911677810502856272422057241941
 . . . . . . . . . . . . . . . . . . . . [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)
							e3538e2c64da1759a4893dec159587f280f6849a
 . . . . . . . . . . . . . . . . [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 (106 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'autoconfig.i7mail.net'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'autodiscover.i7mail.net'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'i7mail.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'i7mail.net'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.i7mail.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.i7mail.net'
 . . . . . . . . . . . . . . . . [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)
							00f00076003f174b4fd7224758941d651c84be0d12ed90377f1f856aebc1bf2885ecf8646e0000018f866016e200000403004730450220118b637d9e3b0d45afcd9168fadd914b97c44f22bfa345491d490583311b1545022100b9a75273b3dad544679f5d5e1c8bacaaff8f73ba5a03ba73e3f6e3b759215e0000760048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018f866016e80000040300473045022100815a23fe40de949d9abafdd904adb3f4346f21ff9ed3a9faff8ebcbfc3751c16022017cd39764c6aaa835c33a62d4551beaed93c8afc44ba166b00af6bd6ba70819a
 . . . . [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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