www.ufficio.co

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:1b:78:c3:2e:db:d8:a3:ca:20:de:bf:4a:cf:53:d5:f9:83 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=www.ufficio.co

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:1b:78:c3:2e:db:d8:a3:ca:20:de:bf:4a:cf:53:d5:f9:83
Serial Number (int): 270685002509936538779673946336111617243523
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: e7:5a:3b:53:8b:36:02:85:ba:c8:00:4f:73:33:8c:13:73:88:33:00
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 2f:8b:e0:5f:b6:d3:b2:1d:10:d9:53:aa:55:b0:bd:a1:9e:16:55:3a
Fingerprint (sha256): 5a:d3:47:9e:01:00:ad:f3:04:30:ac:dd:f4:f2:67:23:a1:ea:b6:5a:f1:6f:30:7f:f3:bf:04:12:7f:d7:2b:e8

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 www.ufficio.co

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.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

www.ufficio.co

Other certificates including the domain name ufficio.co

(limited to 100 certificates)

Certificate

The complete raw certificate details for www.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 270685002509936538779673946336111617243523
 . . . . . . . . [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 'www.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 663936802323977605156071330939483254328907959598307857374827320132046930030820386409744487684204129406393780287193607646902681246999646254695514416533890513516381043965404971632691206454612071455311118085776331896035074717950419459850527375826296098206935671638943195985908720877954385469603938198105541455594811495424879107447934222079326404869130519930994706953558310380096091152349421033984583627037675927437940085491339637283713603560307152003543569659169884161126681229840629661341061328565122869932640924722192391378825673183750026364740123532740373765790124111520712401989419356408553386891019123494495359855621161443266730348376984334363431655782430411775167436324123237663496248712765028763796969684702906704586246953074017008309478956629026413347987145090906408295836138412606806557033102212526336069206610873092614141117862645630982662896769673068384316191620380060574102598113198812632200569623225085467830850478407743491827311688852985117218734723414896115506123775236699101129166910749370898335125170603238905482843665881644672473075663584579870187500247193195696899977631154566016680218951254506889171097645081679886679546169893676099648769287623453835601528288255700097664122497766983941212844549555035485530505413117
 . . . . . . . . . . . . . . . . . . . . [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)
							e75a3b538b360285bac8004f73338c1373883300
 . . . . . . . . . . . . . . . . [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 (18 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.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 (247 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (244 bytes)
							00f2007700747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc560000016afc3440630000040300483046022100ffe9472bf1207b16b76a6590a55b39d9cf8c4472d9d200efa5ee4b8e58377864022100aab9c3a625a31a54fd23a17502949ff28fb5baf0f1f04c13ed50e0de14dc9470007700293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016afc344080000004030048304602210094fee37feae613d51c55ea4192dcfa262590a4552db82bbc05ee45bb41726fef02210089fee35fef5901541bf7ea663ed16e6b7a1b7bce1ca2c51be36dde3259cf1568
 . . . . [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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