durafon.com
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 04:a8:10:83:21:78:80:ec:ab:39:2d:42:83:17:eb:69:7f:30 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:a8:10:83:21:78:80:ec:ab:39:2d:42:83:17:eb:69:7f:30Serial Number (int): 405638529887446471783275130485547593203504
Serial Number lenght: 139 bits, 18 octets
SubjectKeyId: e9:fa:d4:2e:40:66:f9:55:b3:f0:3d:b1:bb:83:72:24:67:33:75:c0
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): b4:3e:43:f9:d0:35:42:b0:03:1c:cc:2c:5a:23:df:95:31:25:4d:f5
Fingerprint (sha256): d6:94:7e:05:37:ac:f5:7c:0f:db:96:22:68:a6:9b:23:10:ce:0a:f3:c2:92:a4:8d:1a:5e:3f:13:ac:14:af:1e
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck 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----- MIIGTTCCBTWgAwIBAgISBKgQgyF4gOyrOS1CgxfraX8wMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTEyMTYxMzE5NTFaFw0y MDAzMTUxMzE5NTFaMBYxFDASBgNVBAMTC2R1cmFmb24uY29tMIICIjANBgkqhkiG 9w0BAQEFAAOCAg8AMIICCgKCAgEAs74Y3r7D8LKcYMLIzU9s21OAgzYbkNBUaXjA ezoEFihRmK7kxW7UFyIax5XdgDIMKlIMene9T6IkrZss7HlpKFxRkx+GGkHMmPTH vhPQBE/zIkjg8SqXljECgNbD9DlQfTNJbskEn4PlJhhZFEtHwCLiiC8vigtxxFSq 66qoJ6IlXaQ2t5lMooWoI8D0tkw/xuamtuX+x8XxkTrKJLzo4+RsVAFMajENngI+ TP3CzXlcmeUsOE0CR1OOuFR6q/5VaqqXu6TLzi6zwrQUVyq2JcxG5kY3p8wwFjxs uwZYAuJzTBGacyqgTQIm9FFZlFNarOP2qr4YfyY6yxrlBoEg5yx5RS5tmpPCEZzn HYyBfRacTmbNGVkF3mWXxstllJLwAiT8ncgp0MYY15SP185sT9qSkpoBrUSbCWZ0 hBaUKAo/1MgDNNWC+mDyuyHk1iakxiDFdVk2vMPOPPpXsIkulCw0A9sYinHS99c0 9yTYsOna2qaKdAwURx/vmAzSD95lWKDsYDM2rbyqUGfj5G9A1Cj4H9EiiPM3PR9O bHC9BM4L3yS87htiHkjR7/30DqaEfO/POtUVKrvSEztCv7LeY0hAkFxkMgs/xnUQ QrseTcMUfqgd8t8VQTQln+VGjf0KKmnls8pdEATAVZyYQghHadKkQB9EwU70PRDf EjlScccCAwEAAaOCAl8wggJbMA4GA1UdDwEB/wQEAwIFoDAdBgNVHSUEFjAUBggr BgEFBQcDAQYIKwYBBQUHAwIwDAYDVR0TAQH/BAIwADAdBgNVHQ4EFgQU6frULkBm +VWz8D2xu4NyJGczdcAwHwYDVR0jBBgwFoAUqEpqYwR93brm0Tm3pkVl7/Oo7KEw bwYIKwYBBQUHAQEEYzBhMC4GCCsGAQUFBzABhiJodHRwOi8vb2NzcC5pbnQteDMu bGV0c2VuY3J5cHQub3JnMC8GCCsGAQUFBzAChiNodHRwOi8vY2VydC5pbnQteDMu bGV0c2VuY3J5cHQub3JnLzAWBgNVHREEDzANggtkdXJhZm9uLmNvbTBMBgNVHSAE RTBDMAgGBmeBDAECATA3BgsrBgEEAYLfEwEBATAoMCYGCCsGAQUFBwIBFhpodHRw Oi8vY3BzLmxldHNlbmNyeXB0Lm9yZzCCAQMGCisGAQQB1nkCBAIEgfQEgfEA7wB1 APCVpFnyANGCQBAtL5OIjq1L/h1H45nh0DSmsKiqjrJzAAABbw8UYMMAAAQDAEYw RAIgEx/PxsvY6ke8MCKs+s/5pRq5Df3YeVBJPTPnPpHkPB8CICsRugckTHwbvRvD Jy2zaBN6clHADCqc3+yWi/FNvXM+AHYAB7dcG+V9aP/xsMYdIxXHuuZXfFeUt2ru vGE6GmnTohwAAAFvDxRg7AAABAMARzBFAiEAkEbNKipUPLhPu04BxNjof9ts38Jx 6PIaELGB1c2qrt8CIFuctKrj8ca9c2pKGsqSrWEmrOU5w8LRkG4UBbL+VHK9MA0G CSqGSIb3DQEBCwUAA4IBAQBm8FqS+o9/xGi8Y7jQpRTZZclfGSl/n8an0bObbREk e32Sl87JrejUjCMz8aS2Im+TBXmXz/6bjK3SMgo41y+4KchlYakYemTDstZo8tVp aXBBp8niiPhQ97J3Vtk3jeKmCw8uTPyXENXEawxWQ6dkLb+TbU92mTAorhYE3CDl zQOqhjrLMvSWw6M8XKoiBZsqLzuj9mQDKhnZNGdCaCLztthCMtK5DBROErp6zbyl GyQ7rcGB93nJ9VS2bsTnmRrSraRLHXwpHCbRbSewE+D6SWhr1wNuIk7hgHNlS9BN 9NwdtrbQjoPzVw7ohsocH2prhjQx4W8S5PRWfmecWySm -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAs74Y3r7D8LKcYMLIzU9s 21OAgzYbkNBUaXjAezoEFihRmK7kxW7UFyIax5XdgDIMKlIMene9T6IkrZss7Hlp KFxRkx+GGkHMmPTHvhPQBE/zIkjg8SqXljECgNbD9DlQfTNJbskEn4PlJhhZFEtH wCLiiC8vigtxxFSq66qoJ6IlXaQ2t5lMooWoI8D0tkw/xuamtuX+x8XxkTrKJLzo 4+RsVAFMajENngI+TP3CzXlcmeUsOE0CR1OOuFR6q/5VaqqXu6TLzi6zwrQUVyq2 JcxG5kY3p8wwFjxsuwZYAuJzTBGacyqgTQIm9FFZlFNarOP2qr4YfyY6yxrlBoEg 5yx5RS5tmpPCEZznHYyBfRacTmbNGVkF3mWXxstllJLwAiT8ncgp0MYY15SP185s T9qSkpoBrUSbCWZ0hBaUKAo/1MgDNNWC+mDyuyHk1iakxiDFdVk2vMPOPPpXsIku lCw0A9sYinHS99c09yTYsOna2qaKdAwURx/vmAzSD95lWKDsYDM2rbyqUGfj5G9A 1Cj4H9EiiPM3PR9ObHC9BM4L3yS87htiHkjR7/30DqaEfO/POtUVKrvSEztCv7Le Y0hAkFxkMgs/xnUQQrseTcMUfqgd8t8VQTQln+VGjf0KKmnls8pdEATAVZyYQghH adKkQB9EwU70PRDfEjlScccCAwEAAQ== -----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 405638529887446471783275130485547593203504 . . . . . . . . [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 2019-12-16 13:19:51 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-03-15 13:19:51 +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 733285697181610099565768223374874796347431151502055238028187816926614755651543935548100089930435826120317022793250806509642992033472701375898482959641576106079672850356288340392364113984437805106041969701256172331893244985627132709775249574114133553960210923707398277129336374565377503833850178904227400788998045974835957793653178431816539235896237858864548778479174977298839258372403602049910178572760866361228244603115461447943636457753956151303243051878878645894116565363405134295193075021655095739475478808363562108003600602049602112378878485010153703679836280958385526411875422573881199131813195528101968516038425895819838498837432293787667445799752267913037263013507813999752717709900049504712614618971946405387006069853987091152436509651222169914481127274697559954402449843301292018193154790181326619660365295173244523558898317777923251723299861966685663033980482865497649865517494860499571375792767877114901352239522078482609960155338470160911990734586328621403685846512110789343956416501219715083977676293122344389127213268358746806071673363523311983677712918318781608991830887344975879463621997540342273735710204570921836064158491512499452451036718311006375737559994085906556235019065880690278264351348378813851213742895559 . . . . . . . . . . . . . . . . . . . . [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) e9fad42e4066f955b3f03db1bb837224673375c0 . . . . . . . . . . . . . . . . [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 (244 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes) 00ef007500f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb2730000016f0f1460c300000403004630440220131fcfc6cbd8ea47bc3022acfacff9a51ab90dfdd87950493d33e73e91e43c1f02202b11ba07244c7c1bbd1bc3272db368137a7251c00c2a9cdfec968bf14dbd733e00760007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c0000016f0f1460ec00000403004730450221009046cd2a2a543cb84fbb4e01c4d8e87fdb6cdfc271e8f21a10b181d5cdaaaedf02205b9cb4aae3f1c6bd736a4a1aca92ad6126ace539c3c2d1906e1405b2fe5472bd . . . . [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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