ultraknit.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:f1:c9:0c:b4:79:c2:e9:6e:77:c8:85:50:0e:45:ae:77:82 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=ultraknit.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:f1:c9:0c:b4:79:c2:e9:6e:77:c8:85:50:0e:45:ae:77:82
Serial Number (int): 343612149018422638757748083498414915876738
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 6d:11:d2:b6:55:38:61:7a:90:ce:60:68:44:2a:4c:41:7d:c0:1a:8c
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): f4:e6:0f:7f:fc:07:93:b5:c7:df:f9:7d:19:d5:7e:45:5b:a2:5f:4d
Fingerprint (sha256): 45:7d:9d:b4:f4:37:29:26:f0:1b:db:1a:51:8d:ec:a8:5e:86:15:70:1e:90:21:68:75:82:67:36:3a:b8:36:53

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 ultraknit.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for ultraknit.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

ultraknit.com

Other certificates including the domain name ultraknit.com

(limited to 100 certificates)

Certificate

The complete raw certificate details for ultraknit.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 343612149018422638757748083498414915876738
 . . . . . . . . [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 2019-12-11 10:39:35 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-03-10 10:39:35 +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 'ultraknit.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 721287551018612084732686404998129812020966621596473784767790003679857363566041601400201112584783031777836183843185164778961018089889747499219302219161016253253766555157599197529064839909427111295297670974497199706834315526392851610134156820914489499680844545480179075146170212506895913047464125130460593894653248049883888399855915694678641451323567411564470074715310853974632387714863271051348592400948408021023206954938703469546595355887271104190666962790898443841008444400803229747497300416201148913958033150074323092042065690396863720300127668014952126062232684689221820891588174530006124440733004925956902202493270920120220326877947097991642506854043603270585049517387460071002970520670905951196603688799269176356031575852153822654062658058547815608689480752617822396070355422526985216723475563204881064532251832969488398116541265068647537070046413508264081079930098716197475508053268029481064741711785092442538342674060781257163218432979805730028199762501680944402157731293480976085853507776106391913343237840299332224433767715615588431840983735068902517938878334881424120842544840473610615616524352797589856933922312651058482779396069592180879118373978946488191870223233222998299275231419469521660622547655472505525946863412231
 . . . . . . . . . . . . . . . . . . . . [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)
							6d11d2b65538617a90ce6068442a4c417dc01a8c
 . . . . . . . . . . . . . . . . [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 (17 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'ultraknit.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)
							00f000750007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c0000016ef4c1d963000004030046304402206576272e96643dab49eb0fcaabfe234334ff31b98915dbf327ffb9991945ee3c022041be453960b7dc92507003bc04ef44ef6dc620363534e0216910b7017a1921590077006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d9130000016ef4c1da100000040300483046022100f64c5774c868f75b2a975428259ee053b69c9de9e98fb7b4c019a72b307128e6022100d06fc7059613293130de6b391cd1066476f3a370b54807beb72ea1ffdd91ab60
 . . . . [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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