mail.io

Issued by GTS CA 1D2

About this certificate

This digital certificate with serial number 5d:94:84:dd:83:ba:c4:df:0a:00:00:00:00:19:0c:13 was issued on by Google Trust Services.

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=mail.io

Google Trust Services

Organization: Google Trust Services
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 5d:94:84:dd:83:ba:c4:df:0a:00:00:00:00:19:0c:13
Serial Number (int): 124389358371320254529210811130693880851
Serial Number lenght: 127 bits, 16 octets

SubjectKeyId: 32:33:dc:40:3d:6a:48:ce:93:d0:a9:a1:fd:54:39:a7:9f:b8:8c:1c
AuthorityKeyId: b1:dd:32:5d:e8:b7:37:72:d2:ce:5c:ce:26:fe:47:79:e2:01:08:e9

Fingerprint (sha1): b4:a6:3a:58:ae:b8:19:c1:b0:cf:cd:47:45:e4:b8:20:e3:0c:8f:e1
Fingerprint (sha256): 04:94:27:3c:71:85:ac:60:8c:85:e9:0a:53:c3:5a:f2:5b:0d:be:95:b6:b2:86:d7:fe:8c:66:76:0f:20:84:5f

Issuing Certificate URL: http://pki.goog/gsr2/GTS1D2.crt

Revocation information

OCSP Server: http://ocsp.pki.goog/gts1d2
CRL Distribution Point: http://crl.pki.goog/GTS1D2.crl

Check the revocation status for certificate mail.io

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for mail.io

Public Key Algorithm

RSA

Key Size

2048

Signature Algorithm

SHA256 with RSA

Key Usage

Digital Signature
Key Encipherment

Extended Key Usages

Server Authentication

Extensions

10 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

mail.io

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mail.io

Certificate

The complete raw certificate details for mail.io in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----
MIIFLTCCBBWgAwIBAgIQXZSE3YO6xN8KAAAAABkMEzANBgkqhkiG9w0BAQsFADBC
MQswCQYDVQQGEwJVUzEeMBwGA1UEChMVR29vZ2xlIFRydXN0IFNlcnZpY2VzMRMw
EQYDVQQDEwpHVFMgQ0EgMUQyMB4XDTIwMDIyODEwMTcyNVoXDTIwMDUyODEwMTcy
NVowEjEQMA4GA1UEAxMHbWFpbC5pbzCCASIwDQYJKoZIhvcNAQEBBQADggEPADCC
AQoCggEBAK+OBSaqxo5UA8uvdPv92+PpG0WZYOXJUs4dqWvhtkQKi1T46yG0DN2v
uEo7UFP+r55SGaZcvJjfYTdEbe/GQY9UDEfWjYR8nkYP5HauxQgXptNfAGLPL8tq
fji2Icj4uFI4a+O7p/FdJIN/U38PK7vfraWTLietGtMTDZISO5Tzd9KCeWuRx5R7
OM60Fwg7T2mFERs1gRJMzynGRZI9FkCS5Hg7DXBuTvkrRs1yymojTz0CQNJbiukz
pQoCtKonkWyB+TKTQ7J+ndKHz2HRuZ6pRblc6bh49WcalwnKMeZ7uLthhGruvGxM
DrQ3Xd3cb6wBFDQHug3L5ClGN3KSqKkCAwEAAaOCAk0wggJJMA4GA1UdDwEB/wQE
AwIFoDATBgNVHSUEDDAKBggrBgEFBQcDATAMBgNVHRMBAf8EAjAAMB0GA1UdDgQW
BBQyM9xAPWpIzpPQqaH9VDmnn7iMHDAfBgNVHSMEGDAWgBSx3TJd6Lc3ctLOXM4m
/kd54gEI6TBkBggrBgEFBQcBAQRYMFYwJwYIKwYBBQUHMAGGG2h0dHA6Ly9vY3Nw
LnBraS5nb29nL2d0czFkMjArBggrBgEFBQcwAoYfaHR0cDovL3BraS5nb29nL2dz
cjIvR1RTMUQyLmNydDASBgNVHREECzAJggdtYWlsLmlvMCEGA1UdIAQaMBgwCAYG
Z4EMAQIBMAwGCisGAQQB1nkCBQMwLwYDVR0fBCgwJjAkoCKgIIYeaHR0cDovL2Ny
bC5wa2kuZ29vZy9HVFMxRDIuY3JsMIIBBAYKKwYBBAHWeQIEAgSB9QSB8gDwAHYA
sh4FzIuizYogTodm+Su5iiUgZ2va+nDnsklTLe+LkF4AAAFwi4PzKwAABAMARzBF
AiBG76Kx+SqXBnsik0hYV9sb8X8PU1Hjy12Je1kRd4eMKQIhAKrJBWEWn+jQVLaA
VEwub5cc6c8YhGejEzx1eEFUQbpEAHYAXqdz+d9WwOe1Nkh90EngMnqRmgyEoRIS
hBh1loFxRVgAAAFwi4PzEQAABAMARzBFAiAilOeDjj6Wb+urNA6PXBdN5J2DyB33
IBd3YT2E7hERKgIhAI6Wis9jTtWSYEW0OEFdt7KJDQPcsAmmpc1K89fRTQO2MA0G
CSqGSIb3DQEBCwUAA4IBAQB0LCirwqFEBmFz0Orxyz6JpL627TxW9Z/WmVYwTpHf
MNROfi8Po+Zka+Nhm/wt11YPMO8wRlOI6axa7HZUwTMzpaxRkcoqJZVn79ucSiRl
RasBDKMxr5sCoNBNBIbCQnsMw+eMFSIPeyOK4sDlpXWc/rvCeqDYkJ2ZQLYNNUbS
kSkx6y0rz90dBZzAVvkH+3wlqGcCpJlQ4fgHTAL3UhR07dppNxpqihaOCPO/y8SE
y2LhxJpRs6YCwA0y/MHK5uZi0S+oN2c+olDie//ggpSGsrB6gEEyTOcwprjrD3cI
4clKrhBmcXVv1SuiQZI1lddaKSZyfcdq9HuyLXodpOF+
-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAr44FJqrGjlQDy690+/3b
4+kbRZlg5clSzh2pa+G2RAqLVPjrIbQM3a+4SjtQU/6vnlIZply8mN9hN0Rt78ZB
j1QMR9aNhHyeRg/kdq7FCBem018AYs8vy2p+OLYhyPi4Ujhr47un8V0kg39Tfw8r
u9+tpZMuJ60a0xMNkhI7lPN30oJ5a5HHlHs4zrQXCDtPaYURGzWBEkzPKcZFkj0W
QJLkeDsNcG5O+StGzXLKaiNPPQJA0luK6TOlCgK0qieRbIH5MpNDsn6d0ofPYdG5
nqlFuVzpuHj1ZxqXCcox5nu4u2GEau68bEwOtDdd3dxvrAEUNAe6DcvkKUY3cpKo
qQIDAQAB
-----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 124389358371320254529210811130693880851
 . . . . . . . . [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 'Google Trust Services'
 . . . . . . . . . . . . [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 'GTS CA 1D2'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-02-28 10:17:25 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-05-28 10:17:25 +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 'mail.io'
 . . . . . . . . [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 22161736101010710901222509095822273379085858206627519351246664457712709775442288118371152551556278967274016163552339027871515688053985559336697132610683369103380122099204277389955061580178496148152573816336982312300457891950558399193597354977120216627439678193532335672011673741230039048829784638295328323142634402351758543983300904015358376071869757513009227966807569744819237251929689827357339804378742537877827446875061971312486547205905366336433339987341653114654862673749641639009562912128134673171261202584826184067091530731325771683376313036948002768816504268252481964056871134342291850007217160629490579318953
 . . . . . . . . . . . . . . . . . . . . [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 (12 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: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)
							3233dc403d6a48ce93d0a9a1fd5439a79fb88c1c
 . . . . . . . . . . . . . . . . [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 b1dd325de8b73772d2ce5cce26fe4779e20108e9
 . . . . . . . . . . . . . . . . [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 (88 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://ocsp.pki.goog/gts1d2'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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://pki.goog/gsr2/GTS1D2.crt'
 . . . . . . . . . . . . . . . . [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 (11 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'mail.io'
 . . . . . . . . . . . . . . . . [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 (26 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 1.3.6.1.4.1.11129.2.5.3
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.31 (cRLDistributionPoints)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (40 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://crl.pki.goog/GTS1D2.crl'
 . . . . . . . . . . . . . . . . [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)
							00f0007600b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e000001708b83f32b0000040300473045022046efa2b1f92a97067b2293485857db1bf17f0f5351e3cb5d897b591177878c29022100aac90561169fe8d054b680544c2e6f971ce9cf188467a3133c7578415441ba440076005ea773f9df56c0e7b536487dd049e0327a919a0c84a112128418759681714558000001708b83f311000004030047304502202294e7838e3e966febab340e8f5c174de49d83c81df7201777613d84ee11112a0221008e968acf634ed5926045b438415db7b2890d03dcb009a6a5cd4af3d7d14d03b6
 . . . . [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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