ndnco.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:68:23:52:b3:f0:c2:5c:26:98:2b:b0:ab:f4:ae:97:8b:7a 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): 03:68:23:52:b3:f0:c2:5c:26:98:2b:b0:ab:f4:ae:97:8b:7a
Serial Number (int): 296773176352879441603890002479993188748154
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: d2:26:b9:97:99:b0:c9:62:95:f2:04:8a:29:31:89:c8:a2:86:c2:a1
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 29:a4:f5:bd:bd:7f:b2:91:aa:a2:7b:f6:d7:51:fd:be:da:3b:e0:bc
Fingerprint (sha256): 99:6e:73:3e:13:48:ce:ab:16:c2:ec:ce:b0:3b:67:81:b8:b4:4b:8d:6a:0e:b4:86:7e:5a:3f:ea:b5:40:0f:99

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

Other certificates including the domain name ndnco.com

(limited to 100 certificates)

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-----
MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEA1jLCCFeXU1G+0Xql4n8R
z8iRbCKotZ1bp34Tl471HsnKEzwoZ3w/m3XbvVuGlK9qHizEchjVz/xzPCTr3Y5Z
twFJtP+w5UJbCyi8VtE3+yyGAO6ffTjYeCS4wpm4y6C5AVgt3zRXsi/VKeya6KiV
46s5NrxDKfYWEfhejBGCGhH9vgDVNdGC/RCwIqEjH3Pfu/oi10aDFN1LZs4nmfd/
JlWvMVUZxikrve+nrM4hDUvUSzoPdR44i/UmxfPgcGn4s49PKpdGPlEBQL+6D4WN
fQG2QZE8kuN0GWveJ0/FeqhbGxWarlBQIlEvEvZkCXicmcvV4lUFPV3F01lgb7wu
sOqWMnHv0zmAHtdgcbIRsV+pNRQNmM2m1jAestf+o5sc32U5Y8DmS+xGWjjBwlub
V7h7p+kS9kU5r9Pz5PuoZfAre/Xt38D2vboFlesze4wMnU25JPOAwd+KJJt4Idab
zdENQAPb/YmF3fxMh4ue6XqHfe1B2PR0dhOfIXaTjLTNLqVjim6pkQGw+W/cXVHM
33sQiMswobPn5+qfkKsZI+bFWqztKAkxvfJxWnHFa0grp/AKJC3z+cdUzwG8Pg5j
48uXZE3+09NJW2qZQ/f8d8Jn3U9LdZCa5t1ye7BBsD2hkVOwE/4Tgc+d8C1UX89a
lBy5TZTvwVNG+9Ri35K6mDUCAwEAAQ==
-----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 296773176352879441603890002479993188748154
 . . . . . . . . [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 2020-02-14 12:36:35 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-05-14 12:36:35 +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 873852714649955169848092610485094017990590239919883882988020663668788133923206754411015795479064978757748099051224756012500162376100643154264046635345715805370529105982545537976788442065890464766385668233840063470893527618608270826266773556879749748123516626143640137814174658388215631232421000210899874236690944973689302321239169633905243052064057981293193625321190665862109897598275676325168808947661921490436544897880303925985857804940949766966977936070996080370358685438197860220065500184339456080159974044862507233117643501387936032252737722320304509599418515991585429259336918799978904716572814156751188747425500046010442912254135082048659551982453303003651319272587796929154350283822861523754034747303507256930324238364202073706204373792862089909665277778849545912245198674629617049704559226780594034253159841798149280617488028725520726815787170303689083345363016212885551054709856043921355790007205556272862877059607973738867268730587732325492563032013749800493419491824884144640372040453150667476790672132908953384918525762300533855488652716982754458884998918368778387330185430422727730175138735318246995775672891235318932808919542452725541316845556953492767026608112536634316862799554190904783583201761148857507875147913269
 . . . . . . . . . . . . . . . . . . . . [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)
							d226b99799b0c96295f2048a293189c8a286c2a1
 . . . . . . . . . . . . . . . . [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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f0007600f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb2730000017043ea557b0000040300473045022100c76ef3954bfd57c2031e1273df34151f04e74a1c1cce8ca9f84e772b2ed1bd4402204a7646a5555a89de429f3f7cb77818938ced8402678a157d164b7a4d38da4abd007600b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000017043ea556e0000040300473045022100d7c2222c98094c87b5fa0f02583ce071923b5453640b6754fc3b920f24177e3002202c2c11c9a8b1b4376090b79af63f023d07226d2bee5cda98b20b6fe40f9ea31c
 . . . . [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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