sigma-theta-pi.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:33:cf:ee:73:26:5f:2b:47:f8:8b:04:99:b4:8e:bd:bd:36 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=sigma-theta-pi.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:33:cf:ee:73:26:5f:2b:47:f8:8b:04:99:b4:8e:bd:bd:36
Serial Number (int): 278967646805545638446270726713791211224374
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 5e:1e:d2:dd:5d:88:67:d3:d1:5d:7e:bc:f6:b9:4c:1f:63:3b:0c:de
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 1c:21:1b:50:df:f9:be:6b:f3:f0:ae:02:63:fb:1c:05:86:66:60:35
Fingerprint (sha256): 6f:99:4d:80:47:52:40:5c:ef:16:0c:8e:ed:65:0d:bd:33:d8:f1:ec:ca:e8:90:8a:37:73:d5:05:d0:a3:c5:5b

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 sigma-theta-pi.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for sigma-theta-pi.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

8 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

sigma-theta-pi.com

Other certificates including the domain name sigma-theta-pi.com

(limited to 100 certificates)

Certificate

The complete raw certificate details for sigma-theta-pi.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 278967646805545638446270726713791211224374
 . . . . . . . . [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 2016-08-23 09:12:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2016-11-21 09:12:00 +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 'sigma-theta-pi.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 896670595386286662406694293372066542742611208410604264793141595406147816614859450105835814807057440543754543400433104285294251913272344394916416667067728596235712147949893009087876801491995711639059953555946928135795309906255196586198357413784415797876181504044612470477823141724409065674591298771879998179803162894962093890026818875891632986479805840671415086982455438321177161553459633460256347759736555297357030445719252625116605365160767433278267360348902317668956815323665711784643980581290155898866982089049765802369503418892672711168755341138228158256000789429227443751342777206271603818449280519243279520894007023798522078345927585059567817177326847783562744677372736061527541535416940070474581892467483818815827864266650511677648554575744313892328294419807673039131188034816578624601952779777963636864064461941819975312249079119874629260691064866551058141932801281604638599496075434906410077447614503315933390841112048842881669761216666053609524201202554465513586529946587717144132989612930118874898273911764199966599640093208369382486132660508107556111476014426462557832768213629499018161155528069103954616275720995581429619531533881687332850949207420450990385053401248858380965548875466066858559585946433644444516835155069
 . . . . . . . . . . . . . . . . . . . . [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)
							5e1ed2dd5d8867d3d15d7ebcf6b94c1f633b0cde
 . . . . . . . . . . . . . . . . [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 (100 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 'sigma-theta-pi.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 (246 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 1.3.6.1.5.5.7.2.2 (unotice)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:12|false] UTF8String 'This Certificate may only be relied upon by Relying Parties and only in accordance with the Certificate Policy found at https://letsencrypt.org/repository/'
 . . . . [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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