www.mail.io

Issued by GTS CA 1D2

About this certificate

This digital certificate with serial number 9f:8b:01:e3:24:cb:78:4a:0a:00:00:00:00:07:b7:14 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): 9f:8b:01:e3:24:cb:78:4a:0a:00:00:00:00:07:b7:14
Serial Number (int): 212069018871727899566453893204934113044
Serial Number lenght: 128 bits, 16 octets

SubjectKeyId: cd:8e:38:3f:21:35:dc:e4:ec:9d:38:8a:b8:ca:ab:cc:e9:f3:58:a0
AuthorityKeyId: b1:dd:32:5d:e8:b7:37:72:d2:ce:5c:ce:26:fe:47:79:e2:01:08:e9

Fingerprint (sha1): 2c:ba:b8:38:3d:75:20:62:e4:11:57:8b:ee:84:83:40:13:5a:88:9d
Fingerprint (sha256): b5:ab:00:e6:e9:6e:5d:19:ac:00:0d:7a:e5:40:b8:99:31:e2:4c:56:ee:ba:c1:40:03:0e:57:22:9a:77:e2:28

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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAxac05Fsxk0ka59CN6viL
XO7SdAECxdnTGb43kkPCkMyLj6IgutRwCC9Re3VkWL+2gXLn8uE3CKbMuEqPZrBc
FXHT1gfBBQ52tWBuIQPUOanYsHQvazKJozYO95Q+UpTuAGzGcB6jxxTQx8M5+yWr
ma6ltU5rzYJsXxv9qKAbb56tdTCE3LG+/NR+bCLVP5Ky+E/J0kJ/iidk1yyKSu4H
tFWr//8mNqzjdIgGSrXhv7kCEOBVRypDt/RglUzvIHcUR21Vg4cQxAML8/lPKRrb
7XvVZTxPFobx3R76mLCB+sUhIe1vrQf7QlJimWjzEJQynwc5tcsPPrA82SC/iZi/
RwIDAQAB
-----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 212069018871727899566453893204934113044
 . . . . . . . . [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 2019-12-25 14:05:11 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-03-24 14:05:11 +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 24951398730480582453516364940440316205716118390032306253352603313230718981547942382643045001630152775186648312647393300502196317590490799722154985035742256755996147532309648768993245708611068978971817288157821456271606470649350303539056017136944254747891383874163774723630251556585982765647887812738653487837370583595520061620749742206326072816738616734105169659750597370614755396040061121285441653007502206274281165026351319604963736024023334002478461302108862445194633030717384071216025668984554767788646117564888829931848299027679926873635328825772960980082025355624144437095596657247354542431564399141479217938247
 . . . . . . . . . . . . . . . . . . . . [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)
							cd8e383f2135dce4ec9d388ab8caabcce9f358a0
 . . . . . . . . . . . . . . . . [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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f0007600b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016f3d9720ba00000403004730450220603f19741d897bd5f3d3638253547e3ac4a9775c1e312ffbd848e3954342450a0221009036e947b06caa342e4d1d77f345000427a2e004ade6a670deb2e157f4e7f8550076005ea773f9df56c0e7b536487dd049e0327a919a0c84a1121284187596817145580000016f3d9720e20000040300473045022100d81326ea6d2084ac7a8ca8c237cabb2eff6d82a846d9079f81d7b94f0873227002200f7347a1068913b1f695806003f194dc53962aca5ba1c4c7e3a28800427d105b
 . . . . [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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