www.dyna-systems.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:a3:f1:15:50:0d:cc:ca:a6:c4:1f:0e:f8:4c:f7:79:44:f5 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.dyna-systems.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:a3:f1:15:50:0d:cc:ca:a6:c4:1f:0e:f8:4c:f7:79:44:f5
Serial Number (int): 404235624144058264425144498510951144310005
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 8a:51:b0:ad:ef:3e:c2:cf:72:ef:0d:26:ff:19:91:d4:7f:44:f4:33
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): e4:f0:fa:85:b1:30:64:b6:a2:26:43:07:b9:6d:6a:5c:b5:10:9e:63
Fingerprint (sha256): 25:16:46:35:2d:3a:9f:55:db:a9:d7:d0:20:7c:48:a5:a9:00:db:ca:6d:06:a3:17:ec:85:27:28:1e:0f:69:8c

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.dyna-systems.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.dyna-systems.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.dyna-systems.com

Other certificates including the domain name dyna-systems.com

(limited to 100 certificates)

Certificate

The complete raw certificate details for www.dyna-systems.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 404235624144058264425144498510951144310005
 . . . . . . . . [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 2019-12-16 12:16:12 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-03-15 12:16:12 +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.dyna-systems.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 894120348421104710338011186302761929718107000774306010148621473581102574824889610405238724062772167510161505198883926016376673658030319360999893165387669877871923220836969819953697586423728971429128879628497782296923126549870115625621772664495683065520888214930945243553284993647990182698877842557086777876241374828259517432607557681885953114942566461382753025682009350517706556037670644917353467870420315412723627038603133807417730674977167230135014435640873998116368397934520476483032063632978072825909008647347949045097191791222803675043702155403802955023796229559407561935193635144165173830653423687374568371590117346498566599730551411931196185206929779941297591308033997533744378535896075725168739103564273994689155040059713573828232741407218496086870294778943567455128499386181523897661836854704127721117932192213589770497720764201191083540298047897924158878808496074047355892790407052203548809593634635195403981738971727553966772307109408243174829589835102078950727304811587769138532588169583699123286621699936000981425820619467810753368331640795996065925302847883343554091922787764900498853700869237672422058992238179585397574572879129573976104684540185840151867618744097730324460657195908291032419044905021789632181485161171
 . . . . . . . . . . . . . . . . . . . . [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)
							8a51b0adef3ec2cf72ef0d26ff1991d47f44f433
 . . . . . . . . . . . . . . . . [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.dyna-systems.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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef0076005ea773f9df56c0e7b536487dd049e0327a919a0c84a1121284187596817145580000016f0eda1b160000040300473045022100f48c48c2d64e1db1d8f3e123a654a62bf168fecdd611b399de2f3ebf1e36705f02207400702ab70f802d5ad47beafbb55376a7467efb2444b3aebe0595d5402394b700750007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c0000016f0eda1b380000040300463044022070d16c0892056c484db26d34781ac0071cb486b2b6cbfbcec81990d1f3de38790220330bc393f50ef4e8744a5cbd07cac9c4273ae67a04cc4f911d5f949948d5d59f
 . . . . [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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