duzco.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:1f:bd:c8:b6:10:04:9c:f7:51:ae:b5:da:5b:52:4f:b6:8c 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=duzco.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:1f:bd:c8:b6:10:04:9c:f7:51:ae:b5:da:5b:52:4f:b6:8c
Serial Number (int): 272137877413072514537971525541156204033676
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 1b:55:96:08:20:2d:9a:a7:f9:6e:2b:45:7c:c1:3a:de:ef:c7:03:82
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 10:2a:56:2f:18:95:20:69:24:23:aa:df:cd:3b:50:91:bb:96:67:24
Fingerprint (sha256): f3:b0:f1:99:7d:bb:e8:c1:7d:f4:7a:ab:df:af:b8:db:d3:68:3a:04:4b:7d:74:20:fb:ba:e0:ab:60:f5:71:f8

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 duzco.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for duzco.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

duzco.com

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www.duzco.com
duzco.com
www.duzco.com
www.b-q.com
duzco.com
oddsutenkonto.com
duzco.com
sobriquets.com
lggco.com
duzco.com
www.duzco.com

Certificate

The complete raw certificate details for duzco.com in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAvm5f0v2URWW6vj+H9R2u
W/K3iNIly/rRHA8rGhvz2yelmnYOoHHxoDWvGTBCzsTVaOUp8HQxHgZTVl7I3w7b
gFQJ0BT0tRR5u6aUxpaii1wDJc8OJeRJQXILzBd/lXJTd63rP7w3l5iPZFmq9fpU
t+COjKjNZuOpv1y+0u1wYFaeaCp9vC5nGs/tkdiY8AoTgxP2Jx2iuZEj+AIxOzVy
46/PS7+8FjTs7b1geIUqYiOMVUyBiDjWXlTW7dzxOdJ+80VnTCRMi9hjn+5HBhGn
4VVcQDqS+ooLfCy8CipptHN9l9DpMieB2ieM9O66Ohz/V0+gccLxJri6BMJF6KE5
O6UofrEv2ypENku/m1/4JSLu1cut6RE6Ad7+hqHCzcGXFQcbdhYabIf6tbRJ9Neb
hSgdFkdd+Vf4Ehx8hZO41Ze2QNnpNVmac+MGkYQzL0pNHMjVWnhE/qwuh2JgX/9R
DwBgRP6ra5hI6lATPPqOkQIIdwvcp89bP6KPMcbhPEBoRLDJfvnbHR74Fe/lTqDR
iVSOGefzZG8vsFxXpF1pE9A6ERXBwWxCZkFIcMFCo6ONZq7Sc9AEVavv2CATjoEB
s6+LU8X3zr8xigXRPeNXU9m27zZzxct6ebUAdOTvK6ZKKw7XrAfRFiFrlntFbuqz
PyH49z91WQIRa4ij4LJe7WMCAwEAAQ==
-----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 272137877413072514537971525541156204033676
 . . . . . . . . [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 2019-10-13 08:45:21 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-01-11 08:45:21 +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 'duzco.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 776891310080659240172925450576657152910130065600972490365425307373262204907366518657484104986928462052957020137030804938554830940702394137767004961634558410277424400033920160199119842911842302910241974691926636038593645443489428004764271927122500223759981896190107793229720718539209997118955723527350401839191338407301675761927579624691877022980315404228428806788283885395087884419189613764875595325356052484986869971470758616531763911355311848108694956760342614855361349743259128579113429776683396928076945166869145512946633517308359643661462702147983019901930638747784906643080882826549915714952179616651613171322691776381906252975785075643248253460716618463131213946845433156246988431843296559163923143115090514250422648904806375527709254821257041935320753225680492258542743598104039556185158750284041854287753336895278455259475979151172953809684514541227901606568079910414877556305917213415703967426753797274745125777893610153927276429912536389868061738278838987107538858515699591244185280033875994142327737148246097507826449838245108024216377983675822832498435154122355424363574511977822000182669471350161814117516133939890410930386475764330015292048578078841991038177693885012979995362861169787167515971593066055015991510756707
 . . . . . . . . . . . . . . . . . . . . [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)
							1b559608202d9aa7f96e2b457cc13adeefc70382
 . . . . . . . . . . . . . . . . [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 (13 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'duzco.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)
							00ef0076005ea773f9df56c0e7b536487dd049e0327a919a0c84a1121284187596817145580000016dc48211310000040300473045022046ad1f53283c14cd753b8b80f85ac979a8ed05cd6d88166230f42247fa2b0158022100dbb0eb1f2e7b6b14eaa4fa1065fd8172d7c9b12a04124d2c3ae9db9d49b7abc8007500b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016dc48211190000040300463044022076ce91af0fc10f8a4f5bddd5665082eb4a1e94577b72c554de7d05d00073b28f02206db82113af74a4090f0bcce2e07503961f6f05fd8a995e86fa449bb343f21dae
 . . . . [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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