ndnco.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:f4:79:be:3e:ac:2e:2c:8a:53:4d:00:ca:74:75:4a:77:6f 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=ndnco.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:f4:79:be:3e:ac:2e:2c:8a:53:4d:00:ca:74:75:4a:77:6f
Serial Number (int): 344527579719033750998073964488681455253359
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: ff:59:5d:63:5e:7f:db:06:02:2c:87:f7:c8:c4:bb:a3:34:aa:56:56
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): cc:09:f7:37:36:c3:26:34:48:8a:de:60:9f:c0:79:a9:b9:77:d6:6d
Fingerprint (sha256): 9f:c2:6c:1a:46:bc:fd:2a:5b:68:93:95:d2:f2:d8:fb:b6:e0:a2:8e:74:fa:59:ba:85:26:99:33:16:73:5c:c9

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 ndnco.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for ndnco.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

ndnco.com

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www.weightstands.com
www.flightaids.com
23012019.org
ndnco.com
www.ndnco.com
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ndnco.com
mediglia.org
www.ndnco.com
www.ndnco.com

Certificate

The complete raw certificate details for ndnco.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 344527579719033750998073964488681455253359
 . . . . . . . . [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 2019-10-12 03:48:36 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-01-10 03:48:36 +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 'ndnco.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 896217283702054034779023775131937501727824574136396118682990880741048475580161424910429728102412170344737486612535976886326578979241253870462603703822751155719996098044361613998796011183611751825344961205930166933395482677217716767181229715550466390772837838968018817643341038438137176337284162402736050297526342797442164989254663530068543208799454986496642120292206616185948803010150256141779232093401768120529470612107740170179215743393517755388696096370798067233278487440624481593348014638616388568671328072160628977948976159049619940081696153200593004794295060260564153778004898726840617251148188135724537380856435499558003449146104638387888067125312930798540153765394759271762118186292152194928949995463892597422484692788819257105333485778316176841862753915648642313140269448832011459940880183989957334752231206430668951259106651131798280890149299127319251642150933279765802456597650150064532956792256027438254638728664878775611541260918150954186269517139235987410138566725371633395577475814407271864105161735335277784787027428358616890764613846340743286202161994414071527487317517931300175615474526519181338926373875174696737396185641161199406636189070200905918400577725101059183912759848762769485635921167433798905385997801999
 . . . . . . . . . . . . . . . . . . . . [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)
							ff595d635e7fdb06022c87f7c8c4bba334aa5656
 . . . . . . . . . . . . . . . . [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 (13 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'ndnco.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)
							00ee0075005ea773f9df56c0e7b536487dd049e0327a919a0c84a1121284187596817145580000016dbe4c055d0000040300463044022038d44fc7a867cdf9b960c4fd65c6c0e2b997de5834e7003039aebb19068c1afa02205f0c78296e5b8af0144d6f63a4bbbae8576e312f0c6e4f97a54730c35ed29932007500293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016dbe4c054c00000403004630440220240b91e3e4d5a8d96157e22d592de0bb9671eec319a6e79329dcf83342cf553b02203b0a72ff076328d186752902f4a73fdb0e0fed2088aa873331f7080335a10c1c
 . . . . [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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