imap.1a1.it

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:4b:ee:c5:34:1b:21:1d:c5:f8:94:bc:7b:ce:d3:fa:c5:70 was issued on by Let's Encrypt.

With 3 subject alternative names this certificate can be used to secure multiple fqdn's. 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=imap.1a1.it

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:4b:ee:c5:34:1b:21:1d:c5:f8:94:bc:7b:ce:d3:fa:c5:70
Serial Number (int): 287175415516663774815255300257842479154544
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: d4:f4:1f:26:c6:95:a8:de:61:c4:1b:dd:66:a7:c1:16:bf:46:b1:37
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 83:45:8f:c8:d6:10:f6:df:36:35:c7:43:8d:f1:fe:56:a7:4e:ff:fb
Fingerprint (sha256): f4:aa:c7:b5:90:f7:5f:d6:2b:0e:fd:f1:9c:0e:ca:ee:50:ab:fd:98:c7:93:61:24:2b:8a:c1:2e:5c:49:3a:42

Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/

Revocation information

OCSP Server: http://ocsp.int-x3.letsencrypt.org

Check the revocation status for certificate imap.1a1.it

3

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for imap.1a1.it

Public Key Algorithm

RSA

Key Size

3072

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

imap.1a1.it
mail.1a1.it
webmail.1a1.it

Other certificates including the domain name 1a1.it

(limited to 100 certificates)

Certificate

The complete raw certificate details for imap.1a1.it in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBojANBgkqhkiG9w0BAQEFAAOCAY8AMIIBigKCAYEAx9+mhag1n7rldJqK8KFs
Oj6xSwoP7CFgBdWL4TAtUcaLfUp+GiaxHqiE5rXx0z8ejz1eltV2fOLJ1pzbjodo
POY8bl9YhSlTDUEq5AvnNRDA9y6XLccrqf5PKgwh1eW835CgmSiyARL/W6WiwSM8
S2+mAvsfi+VW7qKpJt0P76WMbNhrtTjJEl4frUHq4CruyV2QNAMDgk8IFyYZwuNq
7fBaRwOMJ9Ekx7RxVrWXFo2rx/A0f40I9wIXeK/+0duEYDMZEHIdPW3KWJTDCgkk
QY8wzkgMrs1lDxP0FK22NS00tO0xA96/L1TDZpyTLjAzHr3KNJN6bvcVWFEMdKN0
BJmWIlTdfQwFqmkKCphhTc4bjYMstRGOsgTs/FeT+/uDSlCZa8VYxQ5WVX4VNfjw
nQsc2MiWuTLwliI6Vyh8FpumIhri4WkSka1z3mXdhcBnNon99fqkR1gcNsONDyel
xY+rbbQFBFgxH0jwKUgYelnD0x/45xzb1p+rNQ0g8n7HAgMBAAE=
-----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 287175415516663774815255300257842479154544
 . . . . . . . . [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 'Let's Encrypt Authority X3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-08-24 17:27:38 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-11-22 17:27:38 +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 'imap.1a1.it'
 . . . . . . . . [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 (3184 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 4535886977842014002234892623937078665464080692452263670515422650732114087743542899334936932620997059045521401358887679792238427691891119253865076607466678244000793611316395427433834396874763483683412631989516668355403689821678014048272100754074963822880754335525955664508888284870502812421746773757318964590987518876886798186911880759180612239549783407860443199198494764382478964742977605332698633490551758330445309469712346569982582597497842435104943980485695103371842935499249800531711872166112917203679093346040593035190778436998901859677668156069661477746145711327747449790199437565104292541645442648437263961054448132574898537077358201244168668827043328925521187396754736698578403785520422150671739723514236033300456790881421454803762988934302531895083273332509784463699212120702264691740215513608635583098494178844131961545581235146881089006949716059267012039828315058520934235480152954885633009430544446523104885374663
 . . . . . . . . . . . . . . . . . . . . [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)
							d4f41f26c695a8de61c41bdd66a7c116bf46b137
 . . . . . . . . . . . . . . . . [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 a84a6a63047dddbae6d139b7a64565eff3a8eca1
 . . . . . . . . . . . . . . . . [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 (99 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.int-x3.letsencrypt.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://cert.int-x3.letsencrypt.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 (44 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'imap.1a1.it'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'mail.1a1.it'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'webmail.1a1.it'
 . . . . . . . . . . . . . . . . [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 (69 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 1.3.6.1.4.1.44947.1.1.1
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.2.1 (cps)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:22|false] IA5String 'http://cps.letsencrypt.org'
 . . . . . . . . . . . . . . . . [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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef007500747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc560000016cc4e241f70000040300463044022045d1b9160819c27e600fd7ca544df3ad07577f507e90b4b6f45c87843b0982fb02201c11a83770695d73e0fafc81d43b2f5a3ecbf7a582e145eb219f742d82c3354a007600293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016cc4e24214000004030047304502210083b4c858b3c9bd18c0712c0374a2194f8abd9a475bf6051f792c35dc5f08c6c602202fdd9a571b623bac4af84fbcb92701b9b9cdd3e24ef1c8576872a412aef69ddf
 . . . . [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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