www.71380.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:1d:bd:58:7b:be:ee:5f:81:eb:7c:a7:42:f9:52:d2:8c:87 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.71380.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:1d:bd:58:7b:be:ee:5f:81:eb:7c:a7:42:f9:52:d2:8c:87
Serial Number (int): 271456729959178360565804965514728969505927
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 90:3c:c8:ac:ee:ae:d5:14:f0:53:eb:37:b1:99:aa:d4:62:50:93:66
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 8b:a5:3a:e8:69:b8:09:5c:21:97:14:51:be:62:f4:5d:a0:84:17:8f
Fingerprint (sha256): 33:39:62:e8:c7:a9:27:fc:6e:df:5e:4d:6e:01:3d:97:3e:33:f6:68:3b:78:8e:70:da:3d:1c:da:88:32:67:1a

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.71380.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.71380.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

www.71380.com

Other certificates including the domain name 71380.com

(limited to 100 certificates)
71380.com
www.71370.com
www.71610.com
71380.com
71380.com
71380.com
www.71380.com
71380.com
www.71380.com
www.71380.com
www.71380.com
www.71380.com
abeach.life
celebxr.com
tatertots.world
71380.com
www.driveswitzerland.ch

Certificate

The complete raw certificate details for www.71380.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 271456729959178360565804965514728969505927
 . . . . . . . . [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 2019-07-28 07:31:46 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-10-26 07:31:46 +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.71380.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 709696656650505198227836686051473472809824539065543579432738801364996861849823456238778191842969311192034650742978911248168486738149095501609063091299197726117186783182681669228777852953164549433619837795334453741607141912059140600856112909804102461130163709958692853379980291013574002661321856524201733075751717743812239441987827130495776669223343618903646977985858780793463223108204417689985668513016390338536634978768617841934119837973721671139488618793699368274884427613035697950441398989071204148095071541333573120320029375121883202849544240280521246211269262101951863319141514993674679190325855861469062646577029565324366491981692151741985818182992575941623314867080375736160785129469606775818936678668974679813112648989061292160185641242667279646573233491766818118236361728769789172339018317001978347856116135393634697168600590172210156670143328526479512639224933915209015075386423262986959226835308400640634398212582081820473636587039687644499351950141435064597248799454366745612950302141273728337076866187259559825751604643745233678157890316330626419321282538891282046413731000017182750614201403635932290591087729623803948478992377742355663015981221151116422023595816304238953997323397878963392406515004608636382325902106709
 . . . . . . . . . . . . . . . . . . . . [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)
							903cc8aceeaed514f053eb37b199aad462509366
 . . . . . . . . . . . . . . . . [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 (17 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.71380.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)
							00f0007600e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f2893019dddf1dbfe0000016c37b505b20000040300473045022100dc64bfb109e43be55dc1988828db1a1ad9cdc24c6aa314846ab897fec41391c00220772a544b6eefe4ef9373f882807be3447b9613537d481693fe8e637d45f22ff500760063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d0000016c37b505a40000040300473045022100e6b51fed508074fe470030e5b2857b8da649df99b831876401c52b2f384db7d102202cb6d2f33c63d1a5b53abef07a72b7726d321503f6568c26f88665ed69b02ac2
 . . . . [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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