napcosa.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:57:9d:97:0a:7f:ca:7d:39:a1:18:08:e2:92:77:12:e8:e0 was issued on by Let's Encrypt.

With 3 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=napcosa.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:57:9d:97:0a:7f:ca:7d:39:a1:18:08:e2:92:77:12:e8:e0
Serial Number (int): 291150896762514996847889281016565815503072
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: a4:b9:c7:40:1d:a5:4f:a7:91:88:4e:48:3d:91:7a:b5:2c:d4:3e:a2
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 8d:de:50:4c:02:07:00:0b:42:0f:05:cf:09:c5:1f:fa:a8:30:f3:33
Fingerprint (sha256): 2e:fb:65:18:b7:b0:29:14:77:79:ed:c3:b2:08:83:f7:4a:6a:b9:ff:b6:d6:76:95:10:57:d7:7f:b7:a2:56:6e

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 napcosa.com

3

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for napcosa.com

Public Key Algorithm

RSA

Key Size

2048

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

napcosa.com
webmail.napcosa.com
www.napcosa.com

Other certificates including the domain name napcosa.com

(limited to 100 certificates)
remote.napcosa.com
sni.cloudflaressl.com
napcosa.com
switchvox.napcosa.com
mail.napcosa.com
napcosa.com
sni.cloudflaressl.com
napcosa.com
sni.cloudflaressl.com
mail.napcosa.com
napcosa.com
webmail.napcosa.com
remote2.napcosa.com
napcosa.com
napcosa.com
napcosa.com
remote.napcosa.com
napcosa.com
remote.napcosa.com
switchvox.napcosa.com
napcosa.com
mail.napcosa.com

Certificate

The complete raw certificate details for napcosa.com in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA2ltYIXpheh4+98wt87T/
7rE8/yOObOemRWl1C23kvFxgkD78YRqW0Vp5AZbbvPGTaDArH8+LwP6M7HLiJD31
MS1VO14pFrC9JJdZsx82DjoXHUK2S6STgD3vT+dLhADI51bliTLDdZrG7ngKKnOR
Q3hAU29XrymzPYQPi1IyWID6ArbUKfsT326Yu+8nmsF0/n2fRNaUlZ9vUowQxyMb
R7/Cyr0IaX++VbTcMtjiDv0DPVXGo+Lq+q6PuiPMe1buHldw8JtJChqSrLMbCkgV
pHa8IWpDMb3uP6MGv9ANV+YB1JHf+ml/knKiJIhdRz4/pRFiTdDUkik/Df+I9l5r
1wIDAQAB
-----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 291150896762514996847889281016565815503072
 . . . . . . . . [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 2019-01-22 20:01:12 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-04-22 20:01:12 +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 'napcosa.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 (2160 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 27564994016413767887201560827936938371311673503743499404785721466059613052250208667724011306665672609360922466734246577590610063694242819295949312412110508601549932380625116221123375515960913063320909101814103080446217142693719639964581180227781462975094151927144484192877433257645088443819023282358892723360868140981794980774373673649399742528391108045606275763028410636648787799768802261131306707324821272036175371553049200792160731404083476155245116785360383712061362372188662337761544053463590598785857838572229310341176976190967689302731248978810610665296313060555562429015438954406722109184229575508587479722967
 . . . . . . . . . . . . . . . . . . . . [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)
							a4b9c7401da54fa791884e483d917ab52cd43ea2
 . . . . . . . . . . . . . . . . [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 (53 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'napcosa.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'webmail.napcosa.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.napcosa.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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef007500747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc5600000168775df4cb00000403004630440220172d6398a5713abde8e988bd5d7164d75b0d267b7d3107d69f84ed155b62a8b802204f04cc3e6b3621ec1dd07bd232d6ac09f60dc1938ff1cf3ba6f2e0e9af59292600760063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d00000168775df4c50000040300473045022070b809b381847624ea7373c979d4302f18463ab9455988e51cfe8de61aa3b7570221009dba5a455f3f68b2f88bba13d143a5040359d5f889677f296d5750cd43cb5c08
 . . . . [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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