blog.securityguard.app

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:15:92:ac:be:e8:0c:61:bd:f6:be:53:b5:c1:19:e6:66:41 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=blog.securityguard.app

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:15:92:ac:be:e8:0c:61:bd:f6:be:53:b5:c1:19:e6:66:41
Serial Number (int): 268677751735107303760526572780995995919937
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 2c:e4:f7:af:91:31:51:32:d9:ee:ae:9d:4c:31:5e:f2:29:88:f2:62
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 1e:45:9f:de:2b:39:00:7b:65:2a:7d:6b:d6:6c:17:06:8e:57:9c:19
Fingerprint (sha256): 41:f5:2d:4f:82:80:68:57:4f:d1:0a:03:a0:7f:72:5e:6c:42:8b:83:8b:90:cf:5d:d2:ee:d3:4c:8d:1b:7d:05

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 blog.securityguard.app

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for blog.securityguard.app

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

blog.securityguard.app

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Certificate

The complete raw certificate details for blog.securityguard.app in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA0yepega6o009b4Fkih34
9qq2R0Q74w1a2cJRjFSXyh9OGhp1kSa/cMDKlgOY9Ir1yJnae/MMy1ncjZi+Pf5M
2bRhN+ml01mKTHSold4/o2X7KfWH11HCMSzUgr96MTKo0RHa5d8KY1C5l2vY33a2
jmOt3J7EGbJEPzAMY9z1Ka3egkVsEAtDhC6YN6RUcC2PrZklT6rTis0N5DXFnTf4
JYkLG65DW+Qow+qCxHe2Fp9qTigp7YeYiZK7VJE+/d/I8tO9PlgkTZVD1p7Jtc8W
SwYPI7Tcm+psHsNyy6V6Lo9Qz+Cjci4Qq5tipp2ZqcYJnweMtVOKuAllqSpNFZrT
XwIDAQAB
-----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 268677751735107303760526572780995995919937
 . . . . . . . . [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 2019-09-22 13:22:09 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-12-21 13:22:09 +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 'blog.securityguard.app'
 . . . . . . . . [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 26655840417963558534842177248841044001985618723883888025946905883979245368645976098133057038708548894510141277811759472407738543127327265679764514732929981024172294845363094155629188225858289260881624872386102447107399733571690771367558474138619969703589799006260970688387120308373273429940580322967889172506688566388746363821071532806378564093458875717818867557551325901662909503288090994399753940968615716801104731839107763342680019025843765053212508369508412278518531038820028205666734151636595646363706808421159303393845926498628624241943509500481333293419112364186979549101973079872590244007940882051374320898911
 . . . . . . . . . . . . . . . . . . . . [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)
							2ce4f7af91315132d9eeae9d4c315ef22988f262
 . . . . . . . . . . . . . . . . [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 (26 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'blog.securityguard.app'
 . . . . . . . . . . . . . . . . [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)
							00f00075006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d9130000016d5959f2040000040300463044022055e6477744ed8c6ef30725d23b7574124d2a3a0242d22577f760b8620464beac02200eac291536ff5d2d74bf61c1b22596d3a2195282256eff8e4d5cc5cc18a22b8f007700293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016d5959f0d0000004030048304602210080f94f8736485dbaeac8e1d19e8b03dccdfca046a9a372df0f5b9204abeec0c1022100bd6778e9f65f9412d27406e7aba2802a03f40d3fdc0918ad52f3e322ae3d99de
 . . . . [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)
		0048e00fbe01228645955e29f0397db38f29a933b492dd8c90c6d8ef17bf5662e7ad4f8002c09bb349ca24a4842b47f01f5f8bf3f574cae13c989566f3b5db6d1fe7444d30dafa1385cf9ed084a076907a527df3e04943d6ac0d7bcb69471e9cb13cf6508bef88d84c35bd89a748c08b7e36b0cb184028a3ed3e2008f7063467f909a6527aa07ece38d8d3293a8b3f943809161734bc64f9cc14cb864d967b3384e5d2eda7ad9e88c5031a26a7c6a1a4272a496514c066ce7427f168ff5798410207ec39276e27dc407e73fc38a32f7203b75fd2ab9dcc652c2c3dbd01a484858857f298ba2f08365980661fe80cf421c9b55bb105c74da6c4daf9c9f947c3cf10