allabouttesting.org

Issued by R3

About this certificate

This digital certificate with serial number 04:41:7e:ae:1a:43:1c:4a:6b:c3:0e:cf:b9:42:99:86:e0:56 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=allabouttesting.org

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:41:7e:ae:1a:43:1c:4a:6b:c3:0e:cf:b9:42:99:86:e0:56
Serial Number (int): 370735884296683963304684378311789195485270
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: c2:4d:61:af:6a:4f:7d:3b:de:3b:9c:e9:1c:9f:46:01:51:7d:10:c4
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): f8:f4:73:d2:70:80:5f:34:01:68:da:75:68:74:2e:c4:7b:12:d8:03
Fingerprint (sha256): 90:df:60:9e:0a:50:6e:3a:a2:78:fa:72:41:b9:64:b2:df:3e:af:e7:6b:bf:8b:6b:69:9e:79:04:91:eb:53:83

Issuing Certificate URL: http://r3.i.lencr.org/

Revocation information

OCSP Server: http://r3.o.lencr.org

Check the revocation status for certificate allabouttesting.org

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for allabouttesting.org

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

allabouttesting.org
www.allabouttesting.org

Other certificates including the domain name allabouttesting.org

(limited to 100 certificates)

Certificate

The complete raw certificate details for allabouttesting.org 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 370735884296683963304684378311789195485270
 . . . . . . . . [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 'R3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-01-11 14:18:04 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-04-11 14:18:03 +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 'allabouttesting.org'
 . . . . . . . . [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 823809306409794903362757196287248123204969358788256783206225457005028956789920535200120384378207407307308967960419390035713638387769331965043195073024782184052572908297798544447510042103818329780807959828897095892383541743265075723905997494580270210033809863146341757367897183793561995158405647835331486104896013932160503039513276526446878963010748693354552399217154285056532548786924037503118778130972940809051025984334588348013987246506011217897410408905042618822278619327064996469136478292124901238061587061350126740639363776767959320917561725268067934650789169180185041611270026422557185519932746738978372667531214911943187282944198329318250758118838798275765271880957227137882037956984580950829071695404401079684042676913255020752777571225945385682146100183746702459353210100425221577332124071337825189222559743984269236376075286132632364294593866130975719564789978657942258621062002726559648123814634936959607215181477278178204962881175157141206078062008791599883904165347963506949672093518070474832156303969811537003178842331357851017326664560012795029114885963213554963027055073062125740125711923791797963207649689558324969767996268634788138436129310536485863461037110263673823749769845603386325743497819500565248389036180253
 . . . . . . . . . . . . . . . . . . . . [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)
							c24d61af6a4f7d3bde3b9ce91c9f4601517d10c4
 . . . . . . . . . . . . . . . . [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 142eb317b75856cbae500940e61faf9d8b14c2c6
 . . . . . . . . . . . . . . . . [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 (73 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://r3.o.lencr.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://r3.i.lencr.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 (48 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'allabouttesting.org'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.allabouttesting.org'
 . . . . . . . . . . . . . . . . [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)
							00ee007500b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb49900000185a168e7180000040300463044022032ed69c84da3a78b1df45b7d12d3140b009a3c750cd2cb65ae97443f44b249a6022041ac9d5b55e141495471708ba94488ac0fa7f9fb008df4c2722ee0f32feb90ec0075007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb5200000185a168e93d000004030046304402200784f302cb8ae7fa40c093d7c1a1c5e5f0a72943b281b25d8f275c0c5526647802201fef4489e4149d035abe6d1ead0c19df91eb7ccef4ba12f52d391930a3fffc02
 . . . . [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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