31981.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:66:cb:83:b8:42:66:bd:2b:e5:3d:90:75:a1:cb:d1:87:f3 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=31981.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:66:cb:83:b8:42:66:bd:2b:e5:3d:90:75:a1:cb:d1:87:f3
Serial Number (int): 296316176432473491160875706774531427370995
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 43:c6:05:1a:ba:03:33:bc:ed:1d:e9:4f:19:39:5e:0a:67:8d:b0:19
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): bd:95:07:a6:d8:5b:cf:ae:68:1f:b4:17:29:eb:89:8b:8f:0e:dc:12
Fingerprint (sha256): 79:2c:99:33:3d:0e:4b:ef:0b:74:d9:87:96:10:2a:c7:fb:78:c1:eb:b6:c1:4b:a0:50:ab:07:29:93:03:78:16

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 31981.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for 31981.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

31981.com

Other certificates including the domain name 31981.com

(limited to 100 certificates)

Certificate

The complete raw certificate details for 31981.com in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAzohc6NIGhHg6c9g2Putk
cnu8lCtNPjelRGdFE+7aSr1H4+3NE+M3DtUR5mWIEfu4BNr/Oq+AQSgFRZdSD0HZ
M52n5woPNOR4IudsX0PJRzVYB+ToCIrNvEKd1Md/G5LXs2SwYzRuGAn3MaqMLcFO
0y1QKqTkcJgPAfYt5oE1jcYXJm3W62yGu6C+L3kNfo7qNd93dKpIQWY9IXFYeD4m
fSHrozpYq42EId53yD3g4/NpQ3SWT2VErJc7K3oqv/Dm4NlwfKulIXq3XogDuX6/
802D4YIJsO+yAK/E+4w3IAPSYMQNu5pce3b7E0RmHbSx5RKgBIL+7iK/zALtGGce
nUpzZWATVuXWEs7ef9b6/nu/gzZ1ted3g8I3qNsF7oTkAK74wHzFutU2ir7n9w1R
xHU8eJzZKKqouIf8BKaGYlXOs8esjDBiJlzHr0ZMtsAazYVHbHGcPk/E4Idio+S1
hfdz2fGwr8DTpXEdHnKouQGgMz4Oh/SFECCmFHWwUPXPdoKrFzvwLiM14wLK4/Xj
3dLkJCYCW2oTkO6sBYCT13hF/FPWErld5cxK+ymruqbm9+MtOSSzr5L/bI6lO68M
2CwDb9Is/qwnyJhbxh8BSUF546JuSPt78P03YR12FJ/hgmoxu82gttD1tDeYGM27
Q3+OURx2Mq0qyJa1yRLMsO8CAwEAAQ==
-----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 296316176432473491160875706774531427370995
 . . . . . . . . [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 2020-03-15 02:53:48 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-06-13 02:53:48 +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 '31981.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 842579772576630685290686499191078770794630349237410240232713613424270832208620283001280849790367665929433111921241448674932170326870703901543404577223179754580702273656259614383593061837556010021198012604576832879118486812245360813538237791668962521659773919854426499741302115996761067396095334527964995256253514189962568096491238886997810165690808719224068463083484931228135715567444337060964122644181083885115983852874271839975101877334769848923905785225967943431584319360974928107658439782280547312474984715445409224276195704776389347300182611725525345793677501602823617342819635620350452312869377382270291698559673402468536780975861950728308165109462811723024946744945960711937884833680096177146725121228207182768187136280264348191369832457869479888160683333936687161373326165425328491890260644153250927311887272905537467843134948033347468255082990907312843755769430889134021079329957070328892740903912574854935545321902695780926141534848825291148355194461088491542606503288217488665453014104266434181428896609387202398700333544793167036319092470548047000436889984655418456936577956278943466246059676788917568861559103884507498205408520769848279821777476817890855348863624813892090976462399821599609556961284544895510133965893871
 . . . . . . . . . . . . . . . . . . . . [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)
							43c6051aba0333bced1de94f19395e0a678db019
 . . . . . . . . . . . . . . . . [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 '31981.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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f1007700f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb27300000170dc53907d00000403004830460221009d1b057144730d66e140ef4a0738a3f7681a5a6394681333ad0e619f42a4300b0221008a63c346c297835717bf92a04c478d2d492f9f70aefd059f693190235cbd86f200760007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c00000170dc5390a4000004030047304502204dcfa7559b399e721d9da3363073b51a078784f0e1a4c6b267a3fd50ff629cd7022100ecce14dc037fa3f0367256d9e9df52aa9c2da08254eb4a3109199e18eb643661
 . . . . [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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