durafon.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:08:20:be:48:a4:2c:02:a7:aa:02:81:b8:54:aa:70:32:5f 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=durafon.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:08:20:be:48:a4:2c:02:a7:aa:02:81:b8:54:aa:70:32:5f
Serial Number (int): 264102640036257017238075768049004417397343
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 95:b5:8d:54:cc:31:69:f4:10:11:8a:e9:02:88:47:ad:be:78:64:96
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 7f:61:e3:51:04:62:77:3f:f7:42:60:47:8c:34:54:fb:97:94:af:2d
Fingerprint (sha256): b2:0b:5c:81:f0:13:a2:c7:1a:4b:6c:3d:dd:ff:2c:c0:d5:4b:46:74:3f:e2:80:e7:ac:5a:d9:97:0c:c2:9e:37

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 durafon.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for durafon.com

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

durafon.com

Other certificates including the domain name durafon.com

(limited to 100 certificates)

Certificate

The complete raw certificate details for durafon.com 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 264102640036257017238075768049004417397343
 . . . . . . . . [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 2020-02-21 03:39:33 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-05-21 03:39:33 +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 'durafon.com'
 . . . . . . . . [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 838955669033396902973794512282955936694702891814214453991974897647597458736895207512176697548029992515126608717315911787737209933007713406943624468601279725312536852809674880712502209608621591861979886483678641523065763620731363663455452310024712438970179204052583289741830946089670350409577627387039647196008447654269930642884033482458141225025219929488021676110182758503509933069768884616048495700408181558050067154000288026069539885433164864204189536257904319440562738582624742617616430428433553227021966394704924088019926664197500731516704007723365327531423656889872485760871649570825652680800770558274824506965796655634244066686097144515843969257415411624674255986829974049976729774942516220965894662906733439166385965526288829021668288210240652201484342333408630672554064337396727528907396875615664163519798934357704240487285035111509909513826240582014085107665395929224851595695466887485455213042862955488444296878189085061922797234720076588265925027497229358593382977079667530025539833111358433221360559847670593205935428681357898629734936677881947683625532578176662694698283270259049716964784284330510384088115495815069914239346673933398361822910701221187785347105029579434110556015134783086692921633036067789029637234441251
 . . . . . . . . . . . . . . . . . . . . [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)
							95b58d54cc3169f410118ae9028847adbe786496
 . . . . . . . . . . . . . . . . [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 (15 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'durafon.com'
 . . . . . . . . . . . . . . . . [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)
							00f0007600e712f2b0377e1a62fb8ec90c6184f1ea7b37cb561d11265bf3e0f34bf241546e00000170660b2cbf0000040300473045022041e00b5c223d9335d469939caa0c69235608c68eb4df7188906b60d52d8857a20221008c9d0293f07cfa764d2c54ca4cfc4675fe8dc95fe9d5d0cae60eef2f53044a9800760007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c00000170660b2ce90000040300473045022100a39ff000b1fead60bad5d557feef117453fa90b90b85a24518235f151b080696022074619c2b1de47602828b1e2370a02e305785ad89f81251c935c73e33f17b326f
 . . . . [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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