masturbation.me

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:e0:8e:4c:4f:0e:bf:c9:c3:1e:50:34:15:32:1f:46:52:19 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=masturbation.me

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:e0:8e:4c:4f:0e:bf:c9:c3:1e:50:34:15:32:1f:46:52:19
Serial Number (int): 337749254579012570972587648908646855103001
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 0f:a6:96:76:0e:7f:72:66:c1:f8:fe:14:6d:24:ca:d2:3c:b3:4a:38
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 70:31:57:df:59:ab:96:1c:84:bc:e4:ba:a0:6b:ca:df:f0:9a:3c:ef
Fingerprint (sha256): 24:f1:af:5d:0c:a7:88:b2:2d:9a:8a:a2:df:41:18:5c:f4:50:36:db:dd:b7:20:46:35:26:df:9f:74:8e:16:d8

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 masturbation.me

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for masturbation.me

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

masturbation.me

Other certificates including the domain name masturbation.me

(limited to 100 certificates)
masturbation.me
masturbation.me
masturbation.me
masturbation.me
masturbation.me
masturbation.me
masturbation.me
masturbation.me
www.masturbation.me
masturbation.me

Certificate

The complete raw certificate details for masturbation.me 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 337749254579012570972587648908646855103001
 . . . . . . . . [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 2019-05-10 15:09:22 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-08-08 15:09:22 +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 'masturbation.me'
 . . . . . . . . [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 790188562596929446857296665061991101681916108253455356672885281845944878886547960779072278681854111625277086006118067141886772562222847818772828021940879235492938671007804873833387550890834708617271173963792984867267770669578326704015852996961466034970362939943174549264018528720293405856044561921996005487105785329163928179993839006233162608153162781701789210211638936788758403852757601540897947809777003917368199062886911940580876314685904683120187192120384437749903847994952491775589475258466908839772103816733063578207176843621408628931499997968558235608833434366573471975697956282658203639930834845182437149281881720050846764541228235231450820244946745091901569247103116933152319681134527743988014734984669532981969626614846940600150462241569834925452154557611708116023631265436651499822066850757061594823826197038079788859842943238483712759314390357207007516380091168986219147212306726567114605538215860611006030286270316127903770023153058060307999757579418238782945779775419129641198466562296582574165005962633016674928226657553966411915356822166999803812161486383321250612702351450776979192672190822590111577342751690637335877598724225365906442364752397446184460321085002013558960626122250007962644639950799653036786351651269
 . . . . . . . . . . . . . . . . . . . . [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)
							0fa696760e7f7266c1f8fe146d24cad23cb34a38
 . . . . . . . . . . . . . . . . [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 (19 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'masturbation.me'
 . . . . . . . . . . . . . . . . [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)
							00f0007700e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f2893019dddf1dbfe0000016aa281970b0000040300483046022100802c8eacc1a75c2c1274299addb13c0a0066567b8b4d59eb2054f0e4c458ed15022100dd153a75fa965e4ed0e6282b5519eb658a0890bb36e6a6f4cee56ae0ea99390400750063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d0000016aa28196fe00000403004630440220392d49a30cdb1ee0dfb184dd24ecb515e2eb56b2cabd42add8a83989871e158102200c3767775bbd5c404ae77663c7b88371cb672001fc6d9eae1c7aefc8728f4655
 . . . . [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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