schengenvisaform.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:6f:1c:5a:cc:fe:31:44:cd:78:aa:87:fd:c9:2f:cb:89:25 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=schengenvisaform.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:6f:1c:5a:cc:fe:31:44:cd:78:aa:87:fd:c9:2f:cb:89:25
Serial Number (int): 386258176303615162176169968060836470294821
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 9c:9e:e1:c9:bd:66:be:9a:76:ee:de:b7:fa:97:4f:fc:f7:17:b4:9c
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): bf:46:b8:be:2e:8b:d1:25:0c:1b:92:a6:57:58:29:15:15:23:21:d5
Fingerprint (sha256): ba:87:48:8b:c3:a0:44:0a:28:72:e4:d4:e9:3e:f9:10:fa:e7:c6:f8:8c:48:de:59:1a:b6:f7:7a:00:6d:a5:ed

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 schengenvisaform.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for schengenvisaform.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

schengenvisaform.com

Other certificates including the domain name schengenvisaform.com

(limited to 100 certificates)

Certificate

The complete raw certificate details for schengenvisaform.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 386258176303615162176169968060836470294821
 . . . . . . . . [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 2020-02-04 07:51:14 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-05-04 07:51:14 +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 'schengenvisaform.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 688246791834395417004272588791449861436243357102064314314000081998743753202402330353897569400422242542781793613396121465408697376790253204598772718098240304644672318676223270738242307953642274292074377051318680413800834900853828300638414300016795707458411326877838275166159924843171431129368411154395853991590703704091615097198800751148926440960143100660441054236085397502797337167423019895717644269948762668819263170497830149364221384859157591014718087318177752654959294207473833580030791909626991982320838671518372197496591722734653933056740809972978571823694684339548701420400647457139747128458626321192547359015878923367843866842183114567144219608264406746024416919369578077755758572621241723760094576070933768193528750736194658892136956414185363856904772493086672621094163664176812566451215523482049871196253530381270603318934451897502424998924424295237150918197192286582720788111632847033307561256116373636635935614684695148486872057150593252926043378903803517073131526014657782033949206385646712051814719924543224256812625836566159610430274609020970008941207325766621673718754066693359322370246372196836783073568772908843372294743324698853363098347679478661052047820384133345091396813051059448409894542303741787312662814858343
 . . . . . . . . . . . . . . . . . . . . [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)
							9c9ee1c9bd66be9a76eedeb7fa974ffcf717b49c
 . . . . . . . . . . . . . . . . [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 (24 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'schengenvisaform.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)
							00f0007500f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb273000001700f657dd6000004030046304402202cf3f274b7f4720f6af37f26754564c58b76fbe17828375893686bec3a769e060220472f79173802f2b25fae7c310e2175b81d74fcd4dcaae1b20c765b0afb8547c300770007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c000001700f657e040000040300483046022100fcd156ef24f2fe855bff8da2d33b012b971e7ea16cbaa400ef198f5d73e81683022100aa12f1322a82885f0948a5a2216a3dd75f2c1722fc73fb8f423a919bea7fece8
 . . . . [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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