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:e0:56Serial 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.orgCheck 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
www.allabouttesting.org
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Certificate
The complete raw certificate details for allabouttesting.org in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIGQzCCBSugAwIBAgISBEF+rhpDHEprww7PuUKZhuBWMA0GCSqGSIb3DQEBCwUA MDIxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQswCQYDVQQD EwJSMzAeFw0yMzAxMTExNDE4MDRaFw0yMzA0MTExNDE4MDNaMB4xHDAaBgNVBAMT E2FsbGFib3V0dGVzdGluZy5vcmcwggIiMA0GCSqGSIb3DQEBAQUAA4ICDwAwggIK AoICAQDJ7oFkFpJCIpV/l21MM7k9L/N4zrRxyfdJYfp/KyhdVYqXNpJ8PSgzILnU 3TmVOgLul7rqOyEv7g8Hdktq4+qr5ny/rkSXR0ZYmvTUslQzxMza6aC9zPMmrmkq iYm3QGpxkkdOn6O9fE7n8HUVPN6uzI2XWRovvVMshCJ9GneUGmuROsjXoZWotXOx YwGJ0D4aXvpI6Dt2GWbwCpT4yVhSglLTAaBKxy7V6N+9drkffO808E7VgGM9udhl k717k0XZx/utCLHrd8DzyZFk8JzjvDPhwu7CPvdUxODdshDtSRMB498qaAuZqJC2 ZHt3TSU7a5xXUI/h0rAmJ7ku7FuPciG3FAxjHCWUIYmCS8sRtrpAQtEjTpEVq/oJ 96wqdFVK9gcnrg+dOLMoBcTdFNL++9uARB0TeVPXT4nzN0sgOMVVANRUMMHIVkRe tkDPKl3Dw2mj3EgC/sFcdK8NDQzV1gGtoq/imOfTf/I+C0gX+ztLBx0pC6Y0a/hy Rx6SPZMMm+cQZ0p1Yda7otW9jHjJrJz+3SRQy+EMVxMqMwIIXQynBW4IWLm7dJCg 03JVCYyLu4l10pwScuiZRUIskE4ye0gecRLd+b3ucfDZhb3QRsloSO2Kxy8DYQqx UNIJYFth5yQ/un6dYvJETmkgmVbnmof90meauPqWon4WkI0DHQIDAQABo4ICZTCC AmEwDgYDVR0PAQH/BAQDAgWgMB0GA1UdJQQWMBQGCCsGAQUFBwMBBggrBgEFBQcD AjAMBgNVHRMBAf8EAjAAMB0GA1UdDgQWBBTCTWGvak99O947nOkcn0YBUX0QxDAf BgNVHSMEGDAWgBQULrMXt1hWy65QCUDmH6+dixTCxjBVBggrBgEFBQcBAQRJMEcw IQYIKwYBBQUHMAGGFWh0dHA6Ly9yMy5vLmxlbmNyLm9yZzAiBggrBgEFBQcwAoYW aHR0cDovL3IzLmkubGVuY3Iub3JnLzA3BgNVHREEMDAughNhbGxhYm91dHRlc3Rp bmcub3Jnghd3d3cuYWxsYWJvdXR0ZXN0aW5nLm9yZzBMBgNVHSAERTBDMAgGBmeB DAECATA3BgsrBgEEAYLfEwEBATAoMCYGCCsGAQUFBwIBFhpodHRwOi8vY3BzLmxl dHNlbmNyeXB0Lm9yZzCCAQIGCisGAQQB1nkCBAIEgfMEgfAA7gB1ALc++yTfnE26 dfI5xbpY9Gxd/ELPep81xJ4dCYEl7bSZAAABhaFo5xgAAAQDAEYwRAIgMu1pyE2j p4sd9Ft9EtMUCwCaPHUM0stlrpdEP0SySaYCIEGsnVtV4UFJVHFwi6lEiKwPp/n7 AI30wnIu4PMv65DsAHUAejKMVNi3LbYg6jjgUh7phBZwMhOFTTvSK8E6V6NS61IA AAGFoWjpPQAABAMARjBEAiAHhPMCy4rn+kDAk9fBocXl8KcpQ7KBsl2PJ1wMVSZk eAIgH+9EieQUnQNavm0erQwZ35HrfM70uhL1LTkZMKP//AIwDQYJKoZIhvcNAQEL BQADggEBAI8biAOMwxLqNNtH/M9V0zZMcq8+qYhFz8V+abSh9bYZFahJ3fVawW2e 0ye9M9goea8QR6al8G7YhgG0YQQnzkm6c5CBhtUnUlurfQJXWlfp2HDUUXbTyZYb 13Fj6l0TnpuS4mEfzI+pAMI8g2T8kUa754zYn0Tb2vkTL5evtyQ6I1IbtUVaeh/f EWV9I/VP4tM5TAjyXe70IU0q8wOKYYwX1wxdkISmrBxuZVVOtYMdR9wV3ufH/zjY owalLk/lM2MzPvod3791I0nwslg7ntYsI4Dg9sU1OZ7zdKIPqQ8hfXwY1jZbCet+ gb+exhPM/BbR0c+J1gnDfmqn+xxcpsQ= -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAye6BZBaSQiKVf5dtTDO5 PS/zeM60ccn3SWH6fysoXVWKlzaSfD0oMyC51N05lToC7pe66jshL+4PB3ZLauPq q+Z8v65El0dGWJr01LJUM8TM2umgvczzJq5pKomJt0BqcZJHTp+jvXxO5/B1FTze rsyNl1kaL71TLIQifRp3lBprkTrI16GVqLVzsWMBidA+Gl76SOg7dhlm8AqU+MlY UoJS0wGgSscu1ejfvXa5H3zvNPBO1YBjPbnYZZO9e5NF2cf7rQix63fA88mRZPCc 47wz4cLuwj73VMTg3bIQ7UkTAePfKmgLmaiQtmR7d00lO2ucV1CP4dKwJie5Luxb j3IhtxQMYxwllCGJgkvLEba6QELRI06RFav6CfesKnRVSvYHJ64PnTizKAXE3RTS /vvbgEQdE3lT10+J8zdLIDjFVQDUVDDByFZEXrZAzypdw8Npo9xIAv7BXHSvDQ0M 1dYBraKv4pjn03/yPgtIF/s7SwcdKQumNGv4ckcekj2TDJvnEGdKdWHWu6LVvYx4 yayc/t0kUMvhDFcTKjMCCF0MpwVuCFi5u3SQoNNyVQmMi7uJddKcEnLomUVCLJBO MntIHnES3fm97nHw2YW90EbJaEjtiscvA2EKsVDSCWBbYeckP7p+nWLyRE5pIJlW 55qH/dJnmrj6lqJ+FpCNAx0CAwEAAQ== -----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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