72705.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:18:cc:29:53:18:f7:9b:2a:77:a6:8d:4f:cb:60:af:bc:f8 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=72705.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:18:cc:29:53:18:f7:9b:2a:77:a6:8d:4f:cb:60:af:bc:f8
Serial Number (int): 269775011682112689213903293427584590658808
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 89:6a:de:2b:95:ac:79:53:4b:5d:b8:62:ec:3e:3f:7e:c4:d6:fd:3b
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 56:eb:a7:1d:85:48:7a:8d:f7:04:6e:fe:96:41:84:71:09:bd:3e:86
Fingerprint (sha256): ff:c6:68:ff:f4:32:44:93:0b:48:be:91:1f:9d:c4:90:11:07:7c:8b:83:26:e9:0f:f3:c7:31:fa:f3:0e:c2:4b

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 72705.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for 72705.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

72705.com

Other certificates including the domain name 72705.com

(limited to 100 certificates)
honey.organic
72895a.com
www.72705.com
72705.com
www.72705.com
90546.com
www.72705.com
72705.com
antunez.boston
72895a.com
www.09654.com
72705.com
41945.com
www.72705.com
72895a.com
72705.com
72895a.com
72705.com

Certificate

The complete raw certificate details for 72705.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 269775011682112689213903293427584590658808
 . . . . . . . . [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 2019-07-27 20:12:31 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-10-25 20:12:31 +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 '72705.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 845583793500223976568405084309426886808162068806809454105080069284334572075522869595062105289064073905199937406432741069517344010704930275473174664047028988099119689316235288833288690800899866844352125160532811739040127730362803055673388898670489028917518826841245075730790340378206479685797838145308919625495338195418083682702204272589315709497464307874358882595635213585092517494968464033551173027585796211497860201901809296039281077767370684579990436792588305882557453762296010140451184792678028394610008731799051785208939864088016132533633448048873033895997476688189760182298301728666698069438876408773870193183278999798720174563492185719815137556179331949206117287893058280622056093789638777284976674172883738048068040000303181538631653378915433118555708193032897831519988785943816388954648001944584309697946054746909303720985895914221429513421166408946459604098736345989749831036001491641788609256055713973484037917157063162425310582644061270355719143612241035663344882582438342043620748184502285159623677345370642079994648617452751449885685598414122556570928678863750226492457935325255894796133804099049645561125675901449469468189965656813832050915317748945275604986371213038271736543497886127469452109139558314220920776034367
 . . . . . . . . . . . . . . . . . . . . [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)
							896ade2b95ac79534b5db862ec3e3f7ec4d6fd3b
 . . . . . . . . . . . . . . . . [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 '72705.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)
							00ef007500e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f2893019dddf1dbfe0000016c3547288d0000040300463044022002a70c990e62c849c081909e8139574588be4d5a9d31aaa46de776aa6baed6d50220796db25ba1b67bb724564636949439afd04581da73e4c0c918c7756904e6929400760063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d0000016c354726b5000004030047304502210092e7913dd46243fd65d0422c32892406702752d119d3d584771a9ff9c962d5fa0220379bcdc33052a98fcd76dd289a126f122048fcd0512bcb2e84d4d1d0daa45112
 . . . . [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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