imap.1a1.it

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:1c:66:dc:79:14:85:66:25:6c:bb:c0:80:63:13:0a:bb:08 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): 04:1c:66:dc:79:14:85:66:25:6c:bb:c0:80:63:13:0a:bb:08
Serial Number (int): 358113776017503612930195136863946817583880
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 52:22:07:7b:7e:21:dd:b9:2c:1d:ca:3a:c4:c4:9c:21:bf:0a:15:5c
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 1a:8a:a2:29:13:02:cb:ea:b0:b5:26:9e:eb:63:3a:26:38:d9:db:8f
Fingerprint (sha256): 78:43:b0:ac:a3:01:68:bc:71:5d:0c:bb:d1:d8:f5:39:01:12:12:1a:0c:6a:eb:ce:0c:53:f5:4e:d7:a2:e7:d2

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-----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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 358113776017503612930195136863946817583880
 . . . . . . . . [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 2019-11-12 15:32:29 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-02-10 15:32:29 +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 5163489223397326007210980173855345014174629680345943563925293359282998912055803281594241327039603784877584712866101131123945421640339474541351094866297591770732076872005253263782797456129762558727083735339123511556002874244689409938067921784866795541301112343104204093374760800534020102478656376485801093802725481840847607360315790982318355158876565541120163900242631726352295223530205571447924041691304150521778394004249240832039397123445090035234516812672881935595030116185751028546484223536897406077509482602275213975629245941385727367725062432036137472483959948461329874946830452159180649111499324405770322400695891368848096794931144252258938617132865640854198266170225324262781884800771907222699572435232133626787955591536766102047452424547822611180271970126842115594222274418104772025680614491568643054976705581735158683046752720867231783081751178423209308073515670068459371988216566705468575349374495587909512766104267
 . . . . . . . . . . . . . . . . . . . . [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)
							5222077b7e21ddb92c1dca3ac4c49c21bf0a155c
 . . . . . . . . . . . . . . . . [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)
							00f0007600b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016e607596220000040300473045022065d8671be0662c62ab02c52af3c7dca970824a760c0bca2300e458663f2e1519022100d9c5722637d10ee166bf3e024144ec53f62983e91560dbd5ac2a355ca00a811f0076006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d9130000016e60759656000004030047304502207bd2d14ca165fa60d65011bacc482ac975644e8254eb80af6e3431e45f3cb5f2022100c4918365b8b4b92a3af02e8b5b28e1792f84700a060780195513e4ff00b1dc82
 . . . . [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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