ufficio.co

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:ae:0c:65:86:7f:d1:42:67:c8:3a:21:9f:3b:1e:58:99:76 was issued on by Let's Encrypt.

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=ufficio.co

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:ae:0c:65:86:7f:d1:42:67:c8:3a:21:9f:3b:1e:58:99:76
Serial Number (int): 320562467525425789765453656188299094038902
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 1d:c6:7c:89:e8:1a:f2:f5:8a:97:d6:fb:9a:c9:0f:27:ae:0c:c2:74
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): d3:a7:0c:e9:b3:25:b7:5d:e2:21:8f:52:75:2f:10:f6:40:36:e2:d1
Fingerprint (sha256): 0d:dd:6a:c7:26:90:3c:94:11:43:40:d7:2a:4a:45:9d:1c:ef:7a:4b:4d:98:1d:cb:46:d3:48:95:9b:7e:48:64

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 ufficio.co

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for ufficio.co

Public Key Algorithm

RSA

Key Size

4096

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

ufficio.co

Other certificates including the domain name ufficio.co

(limited to 100 certificates)

Certificate

The complete raw certificate details for ufficio.co 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 320562467525425789765453656188299094038902
 . . . . . . . . [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 2019-05-28 01:10:43 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-08-26 01:10:43 +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 'ufficio.co'
 . . . . . . . . [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 (4208 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 864356478797616788524161772899406513050542267881774107323939666314587083362221817931590112330035860850048941130098992137650425452438317106818177640278487388670000792843070552011678576764220533166964237245751516426371060233428945380170950503254347118687765107284030750228578051280277496241255993663065127042152940218354445023594559395510861711282586797370184897486590748852451658366146043505044509304655613987962969656910266338706987537972654676855128380329294619357495851178984982662952551823336623448234800370400121890201297985404491336037626472548938209658165854969399989939025275540125893161299129329237912398745501585184635570934218146574911788530720799940625534122974556661138668774042245108731947324391354507875631835865906283636666057339928877335209174786279903058349549662347974939792730954227780195891404482695043114110468996064158856256481859443966605190910569584379968405475774562269450457652712098935749001143984120121999933814470932341223179902342268413737914398463512681724920507923970986195023794959464515976594854474296580095606105740934732398363223688270400569362980818786278391137310676221736167874305325187162374782303141375888822175455414217087386105840938695160506359529585480177245064313697082517113632323170167
 . . . . . . . . . . . . . . . . . . . . [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)
							1dc67c89e81af2f58a97d6fb9ac90f27ae0cc274
 . . . . . . . . . . . . . . . . [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 (14 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'ufficio.co'
 . . . . . . . . . . . . . . . . [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)
							00f0007600747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc560000016afc344027000004030047304502204d65ea17b232008fd71b1eab4091971bee14dbc00ebad7b11ae485889c029bb5022100e10b9eb096e4d48fcefc27915c3aa3768ce45d6fd835e76fe50c69edf98a8edc00760063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d0000016afc3441d20000040300473045022100cd71ad0087cea5c1b7943831e0b1896367c54011f18772f938c9901d580edb6c022072de15c59a54c8effd1a79a6c7028053f02f0a53b0893ac7775260c0827aa490
 . . . . [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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