mail.io

Issued by GTS CA 1D2

About this certificate

This digital certificate with serial number 5b:af:34:6f:9b:67:c9:38:09:00:00:00:00:04:c4:a1 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): 5b:af:34:6f:9b:67:c9:38:09:00:00:00:00:04:c4:a1
Serial Number (int): 121869463094392014350500833213670540449
Serial Number lenght: 127 bits, 16 octets

SubjectKeyId: 3d:74:6d:4c:c7:72:37:8f:30:af:c4:8e:cb:6b:2b:57:a2:91:b5:0a
AuthorityKeyId: b1:dd:32:5d:e8:b7:37:72:d2:ce:5c:ce:26:fe:47:79:e2:01:08:e9

Fingerprint (sha1): 7e:9f:1f:66:89:50:6e:a7:fe:20:8b:c1:2c:89:1f:d5:d9:b0:ec:9c
Fingerprint (sha256): 46:f8:cc:81:09:d8:1f:62:8f:b9:e8:11:5f:cc:6f:98:29:e4:34:b0:7b:8f:82:8c:6a:38:d8:55:76:0b:88:30

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-----
MIIFLTCCBBWgAwIBAgIQW680b5tnyTgJAAAAAATEoTANBgkqhkiG9w0BAQsFADBC
MQswCQYDVQQGEwJVUzEeMBwGA1UEChMVR29vZ2xlIFRydXN0IFNlcnZpY2VzMRMw
EQYDVQQDEwpHVFMgQ0EgMUQyMB4XDTE5MTIyOTIwMjYyMloXDTIwMDMyODIwMjYy
MlowEjEQMA4GA1UEAxMHbWFpbC5pbzCCASIwDQYJKoZIhvcNAQEBBQADggEPADCC
AQoCggEBAJlxfIDjWELe4LRH6tfd4rfxoaC/gkoHVnooy0SN38MwBZXdJ1PxK8jj
MzxC2UwsyUwJ9ELnaO5ITDIHUn0OEevK5j6qnHd8f5PydJaH50EexekUInsdHPly
BTLGh8zYF/At2H7Lvy23w4TKqg0Bb1wVt9ymzDxk+0++g5fqJqajsTCsS63jfOJ2
21DI26bzeCg+JMk7pqsia2OJxqKDleXQF86wscuQX+qn/rj+P4ju817J0gQl3tI8
rXUCbdkfD7wCm/Gjr20vnsq4rYhOa0B4bIesKlx0pMcQngomNDkvtZOyamGrB/T9
+8hfYmNQ3qxD+OdDuCBzvRlRI3XyHSUCAwEAAaOCAk0wggJJMA4GA1UdDwEB/wQE
AwIFoDATBgNVHSUEDDAKBggrBgEFBQcDATAMBgNVHRMBAf8EAjAAMB0GA1UdDgQW
BBQ9dG1Mx3I3jzCvxI7LaytXopG1CjAfBgNVHSMEGDAWgBSx3TJd6Lc3ctLOXM4m
/kd54gEI6TBkBggrBgEFBQcBAQRYMFYwJwYIKwYBBQUHMAGGG2h0dHA6Ly9vY3Nw
LnBraS5nb29nL2d0czFkMjArBggrBgEFBQcwAoYfaHR0cDovL3BraS5nb29nL2dz
cjIvR1RTMUQyLmNydDASBgNVHREECzAJggdtYWlsLmlvMCEGA1UdIAQaMBgwCAYG
Z4EMAQIBMAwGCisGAQQB1nkCBQMwLwYDVR0fBCgwJjAkoCKgIIYeaHR0cDovL2Ny
bC5wa2kuZ29vZy9HVFMxRDIuY3JsMIIBBAYKKwYBBAHWeQIEAgSB9QSB8gDwAHYA
sh4FzIuizYogTodm+Su5iiUgZ2va+nDnsklTLe+LkF4AAAFvU42MKwAABAMARzBF
AiB0IGKf/bNzMSDDca/vDsbRh+huI2Dd6nGuxTiCJU2kXwIhAMxzjVFpTTe1hfGf
7/hpmaac0UXsZ8Tc7NUOMLORMYxZAHYAXqdz+d9WwOe1Nkh90EngMnqRmgyEoRIS
hBh1loFxRVgAAAFvU42MYwAABAMARzBFAiAFwx0HnPQI50OGZDwwpWqh7+94ArSb
qT834ZZC5Y0VYAIhAM0bnV04tLGP9ow5dxh3sJit9XhGDdCpkEg2Kptx5rtuMA0G
CSqGSIb3DQEBCwUAA4IBAQBTBaLudMdj7SgnYUpFbEETytPvoKmQYnfK9YmcfkWi
dCReetoFzSsSH52s4VNy2Tv3oIoRGzOnVVpUgtLKp3S/7Ergbb8/N8Hjm+MfhLkk
C18Va9fU1zWOQ3N4dRK7+iUDZryQhA94tZN64KEA/Rqj8Wv5wWlnzpUlwZLo8bUP
PDqD2ZSJVnp35ySCyO4J88ne4DfFqVkiiZy6g7oO8Ao9A53r94/fTAmX44leBJZe
SzIksS+Gtne1+AqVaaqfzEBvo9Cvt7M6k32PLdeKjktstdUQtkxb0SvRSJCMjmN9
/KYGHFGi3Gszw0UTy6CyXC1TvZkU5xJ9WU0eltl/7jap
-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAmXF8gONYQt7gtEfq193i
t/GhoL+CSgdWeijLRI3fwzAFld0nU/EryOMzPELZTCzJTAn0Qudo7khMMgdSfQ4R
68rmPqqcd3x/k/J0lofnQR7F6RQiex0c+XIFMsaHzNgX8C3Yfsu/LbfDhMqqDQFv
XBW33KbMPGT7T76Dl+ompqOxMKxLreN84nbbUMjbpvN4KD4kyTumqyJrY4nGooOV
5dAXzrCxy5Bf6qf+uP4/iO7zXsnSBCXe0jytdQJt2R8PvAKb8aOvbS+eyritiE5r
QHhsh6wqXHSkxxCeCiY0OS+1k7JqYasH9P37yF9iY1DerEP450O4IHO9GVEjdfId
JQIDAQAB
-----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 121869463094392014350500833213670540449
 . . . . . . . . [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 2019-12-29 20:26:22 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-03-28 20:26:22 +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 19370422860627096195030629885151451228739426000937297228815862264375505108049403503272619429368112722431406575996510079825830009170297785495369668495621264372661386185469517635208545464453437039095885071894430473418825962666257506897779024039517671872410159029604126310564080502140854956914259596926487977705465077365937909590899433299703834182946142710176645814063432207573161729422750506129495091048843728215566707089931281147924619232608854817994319693425419326301208097425161414081763523444793607137571386231680446426209681709543516749056897770660707997522456456124289660489831106741366034307526060130595394166053
 . . . . . . . . . . . . . . . . . . . . [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)
							3d746d4cc772378f30afc48ecb6b2b57a291b50a
 . . . . . . . . . . . . . . . . [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)
							00f0007600b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016f538d8c2b000004030047304502207420629ffdb3733120c371afef0ec6d187e86e2360ddea71aec53882254da45f022100cc738d51694d37b585f19feff86999a69cd145ec67c4dcecd50e30b391318c590076005ea773f9df56c0e7b536487dd049e0327a919a0c84a1121284187596817145580000016f538d8c630000040300473045022005c31d079cf408e74386643c30a56aa1efef7802b49ba93f37e19642e58d1560022100cd1b9d5d38b4b18ff68c39771877b098adf578460dd0a99048362a9b71e6bb6e
 . . . . [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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