www.dynafilter.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:dc:7f:a1:5b:5b:28:a3:e1:12:23:91:57:85:0d:fd:e7:73 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.dynafilter.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:dc:7f:a1:5b:5b:28:a3:e1:12:23:91:57:85:0d:fd:e7:73
Serial Number (int): 336368628286067724564189666301557308516211
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: a8:49:a8:b2:16:54:3a:b0:8d:39:44:fe:db:4e:a0:2d:6b:7e:b6:c8
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 8b:f0:25:c6:ba:7c:09:fe:14:b6:03:47:66:bf:3b:db:1b:5b:37:0e
Fingerprint (sha256): fc:e4:c3:83:33:57:71:14:53:cd:c1:6e:f7:7b:f0:b0:15:e7:a7:1b:41:aa:d6:91:62:7e:49:2d:91:41:33:fe

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.dynafilter.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.dynafilter.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.dynafilter.com

Other certificates including the domain name dynafilter.com

(limited to 100 certificates)

Certificate

The complete raw certificate details for www.dynafilter.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 336368628286067724564189666301557308516211
 . . . . . . . . [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 2020-02-23 05:37:12 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-05-23 05:37:12 +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.dynafilter.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 757105725723198031183930048897201749396058195936709265233179089607286447966113762367015991592353414035213549862506577986137198950216062994574784335306128512534458636039197453769869048211564119088143260897488172517083831388303248089487229778002908685874705284050948836918841676344237581419143011988681357291572119495658902435195646253354056819009836253444081978159747137756648385725455845805890733761207086480391213561575222901465356315995939089053897027208724668594017008342513534314374024698395439990952066931302764955662946375524574205260061152336329749874402275913506090518159529929210714556461806343347431884020023853143126016975350643616870190801134212282532402346058101612479938191497977607742783756154754317701004233470636210582072984803946740517736318967690201606765459699050238747406806472611279300968177433204208511154731168051170028344230323403088692633574592078274616531635892341503260754727188634584093780635315766152741780657077246462167866473361124498037961090247824647941344645235417005615790323190870064840311797911669809207709349349147533904713685643253548806387509738230241000066873264177851521624638939702360113690927793490206871684089375727326481553876218507537617971056220835197347400361604564421717754444858973
 . . . . . . . . . . . . . . . . . . . . [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)
							a849a8b216543ab08d3944fedb4ea02d6b7eb6c8
 . . . . . . . . . . . . . . . . [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 (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.dynafilter.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)
							00ee007500f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb2730000017070c39a210000040300463044022078834b1cb52dc0542c9d4e0b90e738c558ae5145a12a5bf1296bbc2acad7bcd3022073bcc809697081f3a4d54424435310bd36b78007cdf0a120414830cafca09a8700750007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c0000017070c39a6d000004030046304402202700a00958361aa11f1ae34be8b0694142a817cebea398bff88054a16eb9f6d202203df632e528da90992291607c57f0dcb7f5778dc76148a407a4b91e13077c3716
 . . . . [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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