34094.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:77:31:c7:a9:29:ab:d4:2a:33:ce:4b:93:c4:41:cd:b8:dd 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=34094.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:77:31:c7:a9:29:ab:d4:2a:33:ce:4b:93:c4:41:cd:b8:dd
Serial Number (int): 301896628328769482508949030069009879251165
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: f5:fc:ea:68:5e:be:49:3f:6e:f8:c4:58:75:ad:0c:ff:8b:e7:83:3e
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): a1:e1:17:06:38:fc:4a:8c:d2:6b:a5:c6:0c:71:48:86:46:7e:d2:3b
Fingerprint (sha256): 73:49:85:2d:ac:f4:58:29:cf:7b:ba:2e:38:3a:43:27:4b:5b:f9:39:ba:33:af:a4:51:87:ee:7c:c2:97:18:97

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 34094.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for 34094.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

34094.com

Other certificates including the domain name 34094.com

(limited to 100 certificates)
34094.com
www.34094.com
www.34094.com
926.me
www.34094.com
34094.com
www.34094.com
www.34694.com
34094.com
34094.com
34094.com
www.vuoiviaggiare.com
www.34094.com
33724.com
www.42916.com
34094.com
www.34094.com

Certificate

The complete raw certificate details for 34094.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 301896628328769482508949030069009879251165
 . . . . . . . . [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 2020-02-01 17:27:19 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-05-01 17:27:19 +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 '34094.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 809296659205578576207057751642849795037810282231871811314339669871099701484416346782465318701935135751372424110819227754051132406921201078318851284361792075189494689736709285811783361323326890030529040111629449103323019156710058776187686563886972609320775480092539654773272314053834234321570774668421306719169639156550470673961181918731387918614358390924490594565693992984823327949828465697025819966677279090686889230224303371846713994947049257255124697430359092962864492553224928887639514180040325297699221100718820300460832398351724331199501466356604412710915884408938234816578545008183107134045137007785432177394270938472706210918944307293870050318883541291209518193152967636153926405721815993246995699889470920683169108911625763947186840912520525332904078805389264328155356737946425668769404626942588783632596509528977544499317302970276798949591177907063593727619190125402149098952373143231973861483709637947565005234511878194798341529677792811690199979624961322179489409875701668854410412994378946574928310770930186766808518851901556066962295772031906511256958667139234015122391919039377119129092956226437829308607062627974228441135093005793919523097936233249806724137284236303752767748850695708870644252393158246386754999049709
 . . . . . . . . . . . . . . . . . . . . [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)
							f5fcea685ebe493f6ef8c45875ad0cff8be7833e
 . . . . . . . . . . . . . . . . [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 '34094.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 (243 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (240 bytes)
							00ee007500b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e000001700201d6d2000004030046304402203be52313e9643fcb945fdd7fe6c472a6c41f9e3f402509104bf25c27478c48f202205a7394fe0992a9a066c115eb37143b6ffe902c1c18c5e2ce704bd7690ac53ce20075006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d913000001700201d787000004030046304402207a2d8b734a777bb3112e2711233bc7d29a2ff372e033bd05735ddcce27b62f1b02207bef70888fa1884f0b537c002a392ff4bce287d9af34cec8f81422eb006778f0
 . . . . [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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