www.tavvan.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:4a:3a:fd:6d:01:85:c6:94:6f:79:5f:c4:80:cf:71:6a:49 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.tavvan.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:4a:3a:fd:6d:01:85:c6:94:6f:79:5f:c4:80:cf:71:6a:49
Serial Number (int): 286596164033194197203311295603125452368457
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 87:ba:9c:d2:a2:e5:f6:3a:ea:82:0e:24:18:ef:79:2c:83:2a:b7:0f
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 4d:33:53:f5:6d:7f:4c:40:02:9d:ef:4c:13:9e:ee:29:a5:9a:e5:8a
Fingerprint (sha256): 62:ab:06:0a:f8:5e:d9:7c:c4:d3:f8:59:65:c0:3e:6b:1b:90:2d:6f:db:e3:ac:23:d3:68:67:85:90:5e:df:6a

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.tavvan.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.tavvan.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.tavvan.com

Other certificates including the domain name tavvan.com

(limited to 100 certificates)

Certificate

The complete raw certificate details for www.tavvan.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 286596164033194197203311295603125452368457
 . . . . . . . . [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 2020-02-18 07:31:01 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-05-18 07:31:01 +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.tavvan.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 785788308647477248525465971579387064354491229920459375347713877988533840270201813334698698605876577259442228895490788228119551364482928251349764904792370460530763008783904876202296740508257902143300019539875391398435288157888640763173077062937565318888260537117815656256984314414026636077739148868962927416861150217745140468968964919542534239455442885237184047137044705260292299973141904600406680967684261795176844520817174804255065717400956726158656881497102071298772795985881569654767447983270486237644177789245586453227686701254987400693884959913567822628185789241912790502097146414609088595615748326475036009552103390247782560187447436548933228975277826439707363421437293244155741156205390774119084801372816015275050423982962037002057429787395344960040863353558511002462809714208157219953593625661724904056799809800106337369125586383782477847083164478431020276980980310981329604056143762053778169547529241546615176777178581249483370450818089195370437839368905051841370012887721626352786968286709492749309999301198787274853565729771572805003014198498620223864082236740235618728409715779817813859137266775055373433427595970091661297330165155581551680688334136440885428822739942252093689602362545594647172307362668805523151337362227
 . . . . . . . . . . . . . . . . . . . . [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)
							87ba9cd2a2e5f63aea820e2418ef792c832ab70f
 . . . . . . . . . . . . . . . . [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 (18 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.tavvan.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)
							00f0007600e712f2b0377e1a62fb8ec90c6184f1ea7b37cb561d11265bf3e0f34bf241546e00000170576c023d000004030047304502205e2c719a219b33e63b2e6d14fd6a1c2f586915a6fc55bd7c87ce6174229e923d02210099d0bf5de3f368b6ad20dce974301b52685c5ba306ffd3898fbcbc2b2d57665100760007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c00000170576c029500000403004730450221009861828ef2c10d485cc5f2ff3227d9a07fdb7f5ce07cd8400d5b4544cb127f88022069a6623c38ac31026a22513ffab1ee03bd885f4804d2169c3ff2c8dff22f025c
 . . . . [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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