imap.1a1.it

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:f2:d7:0e:f9:c3:48:81:7e:83:34:81:ea:9e:18:03:ca:4f 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:f2:d7:0e:f9:c3:48:81:7e:83:34:81:ea:9e:18:03:ca:4f
Serial Number (int): 343971052367189546967393303855071083350607
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: d4:92:05:b8:3e:07:5c:68:08:57:b3:d9:b9:44:56:a1:62:18:00:06
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 8b:e5:10:eb:57:60:fd:fd:3e:6d:5e:a2:ad:41:28:09:b6:a9:33:da
Fingerprint (sha256): be:31:5c:3c:15:88:de:61:7f:6e:76:bf:87:48:ea:b7:3b:de:f1:1a:96:13:6a:7e:d9:09:30:8b:28:76:ad:af

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)
1a1.it
1a1.it
mail.1a1.it
mail.1a1.it
mail.1a1.it
1a1.it
1a1.it
imap.1a1.it
srv1815.1a1.it
mail.1a1.it
mail.1a1.it
mail.1a1.it
smtp.1a1.it
imap.1a1.it
myip.1a1.it
myip.1a1.it
mail.1a1.it
mail.1a1.it
imap.1a1.it
mail.1a1.it
myip.1a1.it
myip.1a1.it
1a1.it
1a1.it
1a1.it
mail.1a1.it
mail.1a1.it
mail.1a1.it
mail.1a1.it
myip.1a1.it
imap.1a1.it
imap.1a1.it
1a1.it
mail.1a1.it
myip.1a1.it
1a1.it
smtp.1a1.it
imap.1a1.it
1a1.it

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-----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-----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 343971052367189546967393303855071083350607
 . . . . . . . . [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 2020-01-31 13:42:20 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-04-30 13:42:20 +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 4380970436058823959817140361753849238474005712483810951822234019083516152642925309809247640575558785634872214110401624388665363448732303575197373891118727307352748180134453342105011511744245664723093490570739581241654303758198260491077996868578301951981403513806131040261038531144928310011260151886344397056239922223638323603417544543818512669988913542200489731572609793704345908646752429021152489208801082765355427382770361045120770407988531724662590449177765830475636140925987741677134285054240789345237524343094277006606036101166184649883014516189396246336207663893863445140976748011097373666925108061295416070829647611855276113558386574874617130423117030132328297646849683756185767128280491462770918174904327337940614554530029694126118592550638716360113987392659913018529265374248796068586140396673700837549226326173828220000031105842271146457721482780210822819599277684905866732410126132035007176535829998879408758562871
 . . . . . . . . . . . . . . . . . . . . [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)
							d49205b83e075c680857b3d9b94456a162180006
 . . . . . . . . . . . . . . . . [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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f000760007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c0000016ffc0d803b00000403004730450221008fcac9535e4bc6d18524187661530f7d60924f0758ccf7779565b707903c1e4402203059ec1de3544a6deff34501c6ef71da56ccabc702a1b037d2b0d5e658ca64e10076005ea773f9df56c0e7b536487dd049e0327a919a0c84a1121284187596817145580000016ffc0d81ad0000040300473045022100cd8605c6b2db4245a3968af17c1de07e2fb246722d63db4313b56b3fc876fc74022073723e3d697de23fe6697b38a7310dc36dd8a230b0d2398e2d943f48f89b81ca
 . . . . [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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