allabouttesting.org

Issued by R3

About this certificate

This digital certificate with serial number 04:78:9f:29:39:d5:a4:3d:94:82:e1:56:72:34:53:4e:83:22 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): 04:78:9f:29:39:d5:a4:3d:94:82:e1:56:72:34:53:4e:83:22
Serial Number (int): 389494589066078379764918794616310938370850
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 8b:8d:2d:cb:df:a3:41:68:25:cb:01:69:bf:7b:4b:7b:c4:74:d0:28
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): af:86:11:71:47:71:09:4a:4f:39:73:02:a8:a6:3c:d8:09:80:ab:9c
Fingerprint (sha256): b7:4c:cc:c3:02:8d:e2:69:e8:c5:d0:ee:e8:2f:dd:23:d7:82:eb:a1:74:64:bd:4c:2d:23:66:72:5a:10:e7:3d

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 389494589066078379764918794616310938370850
 . . . . . . . . [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 2023-04-05 15:28:27 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-07-04 15:28:26 +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 777016026150845471854188402827588844976776930199866175367810637922718083827553185052979723539069932982628206001706016494346681279278593003576794180504166792955480832143901992127371994359880966360857273188412083522618760991866689529772962167742970569169098179838407899197862282946725332985266151467432869904261289463767731761686975771999512791622804461408685149202769195247420242960879689505929537184712461000943290497190490928751359119384058463324316140257961281481658775086464175659958145580665439891025618530122290607327294637447608134026715857065554903994233240372209385373231492111464790503585421441972606980934632899675289999857628325338851846038535663356008576482148503083838407776025151227223745327116285216213269012100023745402925541063193265568076751514146363098871367847251357226700733781498385151376083160724936839668795335762703356739983693280586917810015829571242417630832956578941715862113688377622292409948252949904926591598630080732745286009265649009448029914919785825194397843314659942757282555390046048998227543724604817763565045873001070748065467538299985684488260221667171749427915440813056800173057712426334261931948307639281098669129835821814705844672534954467486789710172456591187547199470299600895131987501391
 . . . . . . . . . . . . . . . . . . . . [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)
							8b8d2dcbdfa3416825cb0169bf7b4b7bc474d028
 . . . . . . . . . . . . . . . . [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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef0076007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb5200000187523f859e000004030047304502201a4f7b4b60b5a50f20b3df25080ff2201b2a96ad7cd9ee7479a4776a1a7077bc022100a12148d035c82bde1a9ec56fa1ad4907440e66d2c05926f43fc2d39f04abe0c3007500e83ed0da3ef5063532e75728bc896bc903d3cbd1116beceb69e1777d6d06bd6e00000187523f85c20000040300463044021f15257bb768fe3fdb2c076882634380832fc7e79bd5f0523d9b1a32dfad27c6022100f158a3c76b00ed5813c85bc3c29895d68f378c7c1d98d1c0120ee731dc476f68
 . . . . [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)
		0052336aad114227975b25921f2d193cc41dd46c97a3fb1e4b3c5ffd9286c99ce8b856d225ba95fe1f255079339c1d67e0ee995978638fee889f5f6e64d71814e42658fd321fd22f054f04bd7f9defd3904219de37ea6475415740bcc14e5cc9b2beae4164febf0aa59cfd372c3ba1e4ff2df52aa9463eaa7e183798071029c0ca1f927b5d4a775ea880c334fba7fde18f369c15375f704e16b5041f910a3e38990463ba36287691c901f4648c0d526a4c3c09d74491e04e395cad276318bf1f57b5c8f60cc772b28b780e2651156e94642d83afce549b439f5d44d434af808a458509e2cd350388a71d79067e8926b12dcb715c89a08050fed73bb0d495c48f1d