tenaci.info

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:9a:f2:ab:c2:f5:0f:57:f2:6d:1f:cd:4f:eb:39:f6:57:80 was issued on by Let's Encrypt.

With 2 subject alternative names this certificate can be used to secure multiple fqdn's. 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=tenaci.info

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:9a:f2:ab:c2:f5:0f:57:f2:6d:1f:cd:4f:eb:39:f6:57:80
Serial Number (int): 314062907313051133930936715214650112104320
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 26:13:bf:5d:e7:c8:42:65:5c:12:3c:c1:a1:69:54:36:ad:50:35:ca
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): ea:05:24:68:e7:12:3b:84:d1:5c:3e:1e:e2:cb:ac:7a:9d:c6:09:86
Fingerprint (sha256): fb:fd:84:06:f3:14:ad:bc:98:28:c0:36:72:96:72:b0:9b:9f:e8:9d:8d:0a:2c:4d:4f:f9:f0:e5:b4:ac:da:78

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 tenaci.info

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for tenaci.info

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

tenaci.info
www.tenaci.info

Other certificates including the domain name tenaci.info

(limited to 100 certificates)

Certificate

The complete raw certificate details for tenaci.info 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 314062907313051133930936715214650112104320
 . . . . . . . . [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 2019-04-25 21:30:09 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-07-24 21:30:09 +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 'tenaci.info'
 . . . . . . . . [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 853035405431928046209910149203192559623752968705148861342964594297568032927710456109788806242613765147556641317305470431275827929361560746927252588829219346618072477690942853501771339841675156496176211051176416163510275954596418152113831071065522556187613574974630387404740895052608464594799885095300991064541939279556686566284298463594712943570463558201444271418702170746685158445553893513447531918105169457277450298880031979049313835671229513496935661176958202281159272116283094879833928572657665978418153109882076522146092633105004028201067379710764236815959955844540702294540666173882007767969711358129793483030050052586975974145536832586142643379476531771943344073101289093372477912714282080912043135046356370478317252676266823361291472017550315195157044989524833453360846027399882271172521266336604730637483310748361783302395929939175185934369505606687728599055965954874158018076080425370023299994382317210244378627077559138809272780835660894490217492093624786088629804161888089875158036625427077722985414449726428094682485754856930228520079327906145776159312559928466973956371641614429433796650271417459850198191026551910948376760695128843958109258135184103164612479374562632231340763914590137960265718643828857029063360847541
 . . . . . . . . . . . . . . . . . . . . [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)
							2613bf5de7c842655c123cc1a1695436ad5035ca
 . . . . . . . . . . . . . . . . [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 (32 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'tenaci.info'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.tenaci.info'
 . . . . . . . . . . . . . . . . [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)
							00ee007500293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016a569ed1140000040300463044022052c0b5de739efb0daef37c19e1746d81919430e64e5b020ab34247f683c64d71022025f501640b3aae10ec8127264e4921641924e2407568aff90d58ae8c02321a87007500e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f2893019dddf1dbfe0000016a569ed22f000004030046304402204cfab387ac3f65c325d31f26a5618ba5f5072f389998693cf4d8f4bdcbe56e260220599fa1d00bd32a0c116b5664da2cb9654899d21de9920d22781c46fdd1c23200
 . . . . [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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