durafon.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:59:c8:00:3b:a3:bc:6f:c9:8d:35:f7:29:a5:b9:af:3e:ed 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): 04:59:c8:00:3b:a3:bc:6f:c9:8d:35:f7:29:a5:b9:af:3e:ed
Serial Number (int): 379000121191796168439003274214794983325421
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 75:5a:dd:e8:32:90:9e:2d:2c:13:66:4c:b9:83:f1:c8:48:f1:85:81
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 5e:f1:7c:66:4f:57:71:f5:33:30:b2:33:05:9d:d4:fb:b8:c2:43:a6
Fingerprint (sha256): 20:8a:91:d2:a0:e4:4b:0d:44:29:12:a0:ac:af:64:c2:d3:c3:9e:4c:93:df:dc:7f:d0:ae:f0:78:10:4b:0e:18

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 379000121191796168439003274214794983325421
 . . . . . . . . [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 2019-10-12 23:54:41 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-01-10 23:54:41 +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 828180040327563691152908230029325505140147569456211648804267709999162655209223873610859647148238614250251199098654226629423806208363335108438271809658394798183012601786191370298076700458119568833361184421086022303508150830879627087528804011239247576580930492516239446491414552245556546466595953922930080020318641906802671893994228408525837654407008037175398167337792539247915210467189508561834715907305093534346106676768634425936820355088870016259288977604385415437641836521535192590431072783130352987386728813905044317154814028665151581157682866863193125130563874944673388077757961596770931881005794881017247220946748776958480588228013337929598934659558438331079083751585439660167416218064218347514712219469008734979940861004763712119541123073087715238263011362587262131575705037079991583404063647695759565145705482220276432600419058748639388694653546949507057588686959155563461910564000129722091048671109194019930851345500376267699299871514132403493565050900458427079930304665917824533406035052474914353240144118172367221318027309630069308026778742606320726772903889232507006097919912437344496285488923738069515752879487011632049177436561853484168209250171123959462116506311297843921987751688476549284070285415837541330278184994261
 . . . . . . . . . . . . . . . . . . . . [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)
							755adde832909e2d2c13664cb983f1c848f18581
 . . . . . . . . . . . . . . . . [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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f1007700b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016dc29c3bc20000040300483046022100d4d955fa0bfc71379efaf3c3ddabfda8034be340a8572b3084624979a7acb23d0221008a4d316b19aeef6d62e0d64552be4d55faaa58466aaffe2816522f7eeddbbd3b0076006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d9130000016dc29c3bf60000040300473045022100a20ef57c03a60a58961cfe6afa07e1bc95f48f086c7aaeda5fa9d2c4ccfce457022077281af1576135d79da096ceaa19456d6ab885357d11a5b2898bc2bcaaa71dc2
 . . . . [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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