www.mail.io

Issued by GTS CA 1D2

About this certificate

This digital certificate with serial number 3c:f3:94:90:61:48:20:da:0a:00:00:00:00:17:ac:e2 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=www.mail.io

Google Trust Services

Organization: Google Trust Services
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 3c:f3:94:90:61:48:20:da:0a:00:00:00:00:17:ac:e2
Serial Number (int): 81018421119302901738769652692932865250
Serial Number lenght: 126 bits, 16 octets

SubjectKeyId: e6:80:9a:a3:8b:a0:f9:61:51:95:68:94:be:00:68:99:c9:28:e2:7c
AuthorityKeyId: b1:dd:32:5d:e8:b7:37:72:d2:ce:5c:ce:26:fe:47:79:e2:01:08:e9

Fingerprint (sha1): cc:f0:0b:ab:78:0b:8d:29:c7:4d:3d:3c:3b:37:00:38:d1:fc:23:42
Fingerprint (sha256): 12:29:d0:13:d8:b3:aa:8f:01:65:14:38:46:19:62:d6:bf:4a:ca:13:55:38:53:81:fa:e6:f6:68:34:4f:2c:52

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 www.mail.io

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.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

www.mail.io

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mail.io

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAonaG/xXEuisGUTP5fSPV
ORjTJ5iXdskEghgFkbE+qGHv6DMlkrn4Qmxs1n2Z4UZzHgmrAceOlvtBtdaZmjGo
CWHKn2RjP28vwXR0TChDZwDTlNvgjCZGRTCZEvLxzehYssMiHEGCpP2iyTGBFBZF
vQnVewrGvqhvjK+od3vibvTrLRHQKaQnq0oL2MBS3yVZclAj4QBwQpY4Ufchtujb
AB1BJy0KQY4M1b1g5lAsUVr2KXQT5eoIsw4KKCQX7SDkfrRlgVb3LTJd4lW+/GYr
UrP5HtuqlvwyQ14Z0UnBMir+bce3PtvZ/TbYV4ee8HFQGVS6wzoOAuMil1dshfN0
IwIDAQAB
-----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 81018421119302901738769652692932865250
 . . . . . . . . [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 2020-02-23 16:33:14 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-05-23 16:33:14 +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 'www.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 20509053409207278472478855388674887244428129632949418385294394261399988963369851915977457110135234725708785562570162834569499120888914955768695208336228818985709093986923145094559360325834903117877623368155102135185497779768046911129841341207076445447641304184563224703048338933966012033919178391092511814271999572399696972416671742079795076941497565734182144755252503674836902652865265484671556208282637993423649957389863576357420262988917427765022534280092682116859361241291179926228349196502319271467022250617030819004904668064449576067557749917297752388186447366039781612833182545823380653156004163285450094769187
 . . . . . . . . . . . . . . . . . . . . [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)
							e6809aa38ba0f96151956894be006899c928e27c
 . . . . . . . . . . . . . . . . [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 (15 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.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 (247 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (244 bytes)
							00f2007700b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e00000170731c3a7a00000403004830460221008760ca9797dd890fbe4b62c3e49542e011185d8a0fa63fd4197808c33ce054b7022100e54985a786fac3dbf3d467457b4d6d46287f2247d37635d3431db2c11186b5e00077005ea773f9df56c0e7b536487dd049e0327a919a0c84a11212841875968171455800000170731c3aab0000040300483046022100ba1fabc0c7618b26b23d47421778e7eee7c7c586bda859e0d0e5c976563a0368022100a93a7597cc95236820b91969986123146f00eb5ca8d091bfc8669de8b5097298
 . . . . [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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