www.banner-flags.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:18:a8:60:e3:93:ee:56:3c:a7:fb:ae:94:5a:79:13:e2:17 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): 04:18:a8:60:e3:93:ee:56:3c:a7:fb:ae:94:5a:79:13:e2:17
Serial Number (int): 356839733912761076524641508777364288692759
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: a3:5c:52:09:3b:23:09:d8:d4:5c:3b:40:9d:1a:cf:a0:05:d7:89:41
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): b2:67:00:39:f6:95:d0:a4:d2:69:a4:da:26:15:17:b6:c3:8b:a5:9b
Fingerprint (sha256): 74:5b:e2:5e:2a:81:b2:5c:60:d4:96:43:0d:91:7c:01:dc:0b:9a:bf:2a:96:7a:3d:76:6a:8e:2f:ee:75:d2:b5

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 356839733912761076524641508777364288692759
 . . . . . . . . [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 2019-10-28 08:27:22 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-01-26 08:27:22 +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 691449507660595742109541295338273034180313573475071219457611300861972920457895003237064917778257048245789222328322460618829187016569508184894389297078252431262839419801409473487524001211221911582545249767660993529983340784803566485616042663342098216410250229746072253184729094581635704215148701431491499783441193495477782305408239327965612283830030776807335997094260125804871728142947273560078171921020019776337567147138083252103593489703602093623108132895367636912831587094136451114142745844065796001338186426651283403407671981814266941756626978130297538636104904246120578166187536780042517575857818999531171737952217201833480602948731132273105099351945297235086089975191600350707562725816676133024686548260679268821916373854405842499235422768599778089253784595926710328984459449273759569634175281805652461582107428060049456954037732160362695179691287776890829763590060970508162979284466211412064474203496776821697992965894813920635054077947180657933142504745373454353466998036679249235309831456860452181711072314742761345002964076595959596344195083847680676720118941307990249150557330534943281127986786787315926813539305128755794439020180419062695267080899064035713477377666171008621632204266461878102255237354395690044790303832943
 . . . . . . . . . . . . . . . . . . . . [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)
							a35c52093b2309d8d45c3b409d1acfa005d78941
 . . . . . . . . . . . . . . . . [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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f1007600f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb2730000016e11b0fff10000040300473045022100adaf81e76960e462f1d626bc63ffb41b8ec539414764b6f012cc3518b0f6b2c702207a47ddd381ec3ec2ced393c0d9ad84a94716a7392a483ff87b9857a2c2271a72007700b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016e11b101d50000040300483046022100e332685167648ad6e84ee4c9151218a55a10d7a715e04c9e28b3c007eefc26b402210090fcd3b2e4ce9cfd928987dad0ec57ce9a0e7fb771dc3f972d0a05af2865c81d
 . . . . [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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