www.banner-flags.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:4b:b3:7d:19:56:a5:01:db:6a:94:fe:a0:3b:c5:b7:15:17 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.banner-flags.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:4b:b3:7d:19:56:a5:01:db:6a:94:fe:a0:3b:c5:b7:15:17
Serial Number (int): 374208902608389117480181227341045216777495
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 8a:14:42:d6:78:be:25:14:c5:49:57:8b:e3:ce:5d:d2:d8:10:a9:d9
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 0d:f8:12:1d:9f:d0:2b:db:6f:73:83:e0:bd:31:48:93:18:89:df:0e
Fingerprint (sha256): f5:a7:37:0f:91:19:39:73:73:dc:6c:1a:20:17:3d:cf:42:23:e0:fe:27:09:15:70:51:fe:e2:43:53:c2:de:cd

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.banner-flags.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.banner-flags.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.banner-flags.com

Other certificates including the domain name banner-flags.com

(limited to 100 certificates)

Certificate

The complete raw certificate details for www.banner-flags.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 374208902608389117480181227341045216777495
 . . . . . . . . [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 2020-02-29 14:00:21 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-05-29 14:00:21 +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.banner-flags.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 648208888055359357001185678648735333508941230738227919597785681211429020952130485242643503441521657635473208203528593902043279850774793491853486605646442018195674883092041528898256351770535226508992326859380779019799779564317839570964082086711495667162789861705648742152227298935362912192935977892279068103140243440289243053861625621653374354271408527840201358935343715870026025035386616860394021353125641681196327632827127456692775179451359540058351447521916053032304650908294824436386005227275215092544442882578183239912201874273154312257027771296262267018983306300397467903597359458379581777328060844809489842205724914729634036324598776328206313684674915605763314235427497535595240227126583794989079167925974506337249851565555471178679314073698217682506911238346729364169320655912101969515820042163884095221972351349824759747802136126098840069413436230029224853587284979768469795222909577348536662778911021955861703015585819200672525209977402289143585469735099897571419521897631657017407150069947661067812829092172064739359939066318401097786040107225275500243225711650347676822381949711849070746898654788724803081387077010997103299755729628665228441525754425934063474314557025517914545465999784382926309434559219125140490535435763
 . . . . . . . . . . . . . . . . . . . . [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)
							8a1442d678be2514c549578be3ce5dd2d810a9d9
 . . . . . . . . . . . . . . . . [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 'www.banner-flags.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)
							00f0007600e712f2b0377e1a62fb8ec90c6184f1ea7b37cb561d11265bf3e0f34bf241546e00000170917669ca000004030047304502204caafb50a5646c6b057eea6e2d6452e6fc32caa75a3077604a86f845b7913d7c022100fdc8dd4246c219ba4eeefd39485445028ff6ba3c368625b7e513563fc5f4305c00760007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c00000170917669f90000040300473045022100c4a32ebe484b5633436f92c616ab2cc54f421f6aa139c5b8ddfd6a084d8ac442022032710493dca96772f1f18bdb8d99eb3021b0260964af9f434327b4169ee6b6c1
 . . . . [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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