readingtokids.org
Issued by Sectigo RSA Domain Validation Secure Server CA
About this certificate
This digital certificate with serial number 37:f2:8f:28:fe:0e:52:b5:92:a3:64:6d:7b:6b:6a:28 was issued on by Sectigo Limited.
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=readingtokids.org,OU=Domain Control Validated+OU=COMODO SSL
Sectigo Limited
Organization:
Sectigo Limited
State / Province:
Greater Manchester
Locality: Salford
Country: GB
Locality: Salford
Country: GB
This certificate has expire since
Certificate Details
Serial Number (hex): 37:f2:8f:28:fe:0e:52:b5:92:a3:64:6d:7b:6b:6a:28Serial Number (int): 74366979240262132094832821114784934440
Serial Number lenght: 126 bits, 16 octets
SubjectKeyId: 79:a7:b9:ca:c5:ae:9a:c1:34:81:c7:a5:b1:5c:9e:41:d3:ce:4b:55
AuthorityKeyId: 8d:8c:5e:c4:54:ad:8a:e1:77:e9:9b:f9:9b:05:e1:b8:01:8d:61:e1
Fingerprint (sha1): 2f:eb:e8:fc:ec:75:80:5f:77:09:4b:64:56:c3:40:13:cb:16:25:b9
Fingerprint (sha256): 32:59:25:03:80:86:79:11:ab:ac:5b:f2:e7:6f:13:5b:41:fc:ee:fd:b9:1e:69:96:14:b6:b4:3a:dd:ed:98:6e
Issuing Certificate URL: http://crt.sectigo.com/SectigoRSADomainValidationSecureServerCA.crt
Revocation information
OCSP Server: http://ocsp.sectigo.comCheck the revocation status for certificate readingtokids.org
2
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for readingtokids.org
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
readingtokids.org
www.readingtokids.org
www.readingtokids.org
Other certificates including the domain name readingtokids.org
(limited to 100 certificates)
Certificate
The complete raw certificate details for readingtokids.org in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIGADCCBOigAwIBAgIQN/KPKP4OUrWSo2Rte2tqKDANBgkqhkiG9w0BAQsFADCB jzELMAkGA1UEBhMCR0IxGzAZBgNVBAgTEkdyZWF0ZXIgTWFuY2hlc3RlcjEQMA4G A1UEBxMHU2FsZm9yZDEYMBYGA1UEChMPU2VjdGlnbyBMaW1pdGVkMTcwNQYDVQQD Ey5TZWN0aWdvIFJTQSBEb21haW4gVmFsaWRhdGlvbiBTZWN1cmUgU2VydmVyIENB MB4XDTE5MTIxNDAwMDAwMFoXDTIwMTIyNzIzNTk1OVowVDEhMB8GA1UECxMYRG9t YWluIENvbnRyb2wgVmFsaWRhdGVkMRMwEQYDVQQLEwpDT01PRE8gU1NMMRowGAYD VQQDExFyZWFkaW5ndG9raWRzLm9yZzCCASIwDQYJKoZIhvcNAQEBBQADggEPADCC AQoCggEBANrWlQcNINQfciOuakQczRu+46jMu+v6itMuCadADTRCMM8R/N/JEy5d mATUKOfHdMSG99aBv1zj9haEZrmwOtSIscE/fwtnsdPSS3qoymcx9jYpWKRzEETN kemmrs7zHDFY9mUb6a/+TmAoI90QySXLWqsfqIV4nDzyMrRdK29t9De2hm4PUcgg NloxewVBU6irOkxlY9vUxPjEnpNvRHP9a/UHkq5NT+7HmEVp6w1g7eniDPR423uD LvSQCNdtNvRpG+UGaHinVk8NSapJYJiZ0zmA0rNXTCHhFJVlBkls8Qh2suvamo/p CW5t+BNtiKVs7ez3j3+f67mO1T8zO8cCAwEAAaOCApAwggKMMB8GA1UdIwQYMBaA FI2MXsRUrYrhd+mb+ZsF4bgBjWHhMB0GA1UdDgQWBBR5p7nKxa6awTSBx6WxXJ5B 085LVTAOBgNVHQ8BAf8EBAMCBaAwDAYDVR0TAQH/BAIwADAdBgNVHSUEFjAUBggr BgEFBQcDAQYIKwYBBQUHAwIwSQYDVR0gBEIwQDA0BgsrBgEEAbIxAQICBzAlMCMG CCsGAQUFBwIBFhdodHRwczovL3NlY3RpZ28uY29tL0NQUzAIBgZngQwBAgEwgYQG CCsGAQUFBwEBBHgwdjBPBggrBgEFBQcwAoZDaHR0cDovL2NydC5zZWN0aWdvLmNv bS9TZWN0aWdvUlNBRG9tYWluVmFsaWRhdGlvblNlY3VyZVNlcnZlckNBLmNydDAj BggrBgEFBQcwAYYXaHR0cDovL29jc3Auc2VjdGlnby5jb20wMwYDVR0RBCwwKoIR cmVhZGluZ3Rva2lkcy5vcmeCFXd3dy5yZWFkaW5ndG9raWRzLm9yZzCCAQQGCisG AQQB1nkCBAIEgfUEgfIA8AB3AAe3XBvlfWj/8bDGHSMVx7rmV3xXlLdq7rxhOhpp 06IcAAABbwHHwioAAAQDAEgwRgIhANd7OEISE9qnzGBDzglQYQZAaGDJNbk1YHbz e58Wh215AiEA00jmt3rgpKMecBjxQN84RqU0UpJ0Xu1/RqY2cjOFYskAdQBep3P5 31bA57U2SH3QSeAyepGaDIShEhKEGHWWgXFFWAAAAW8Bx8IVAAAEAwBGMEQCIDg7 gz3Wup4r+dOcqd7Ij5jIMv+Y7D3fFGDRqyAozrDCAiB2b5jeLYgQt+WRrIRyiBgm 2K8zuvOtjx1AX0DRisHmXTANBgkqhkiG9w0BAQsFAAOCAQEAYAbAjUaeWYHZEEc5 kq3nlAZ9SJMw9WQJ/dIaeykS5CjeYcMiNX49L+9jJb1usw9heRODJDD4+sSuGaWW 6raxI9nnvFxJDy4Ov3zOKrGRQLLmXWqG3670qQ9Rrr0lbASVeVJ5T0rsSvE6D5Qv 9Nq3PKbPRwCzx9UkPhYL+MZ5V4b9wLD50TnHH3X0ZQroyCS84sU1rj0YG62Mf38x ouk/85XBtDgiDq64Hff/oAthsSsd04Z9qlTrqmHTYfRfHp6vq9vOM1Xa7U4FkaBm 62hSAaFJaZ8QDkue13szlRrMrCrbFY+vUVoxhHe11G9ny1aolUVdu4IQl2z/FGiT Socoew== -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA2taVBw0g1B9yI65qRBzN G77jqMy76/qK0y4Jp0ANNEIwzxH838kTLl2YBNQo58d0xIb31oG/XOP2FoRmubA6 1IixwT9/C2ex09JLeqjKZzH2NilYpHMQRM2R6aauzvMcMVj2ZRvpr/5OYCgj3RDJ Jctaqx+ohXicPPIytF0rb230N7aGbg9RyCA2WjF7BUFTqKs6TGVj29TE+MSek29E c/1r9QeSrk1P7seYRWnrDWDt6eIM9Hjbe4Mu9JAI12029Gkb5QZoeKdWTw1Jqklg mJnTOYDSs1dMIeEUlWUGSWzxCHay69qaj+kJbm34E22IpWzt7PePf5/ruY7VPzM7 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 74366979240262132094832821114784934440 . . . . . . . . [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 'GB' . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.8 (stateOrProvinceName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Greater Manchester' . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.7 (localityName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Salford' . . . . . . . . . . . . [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 'Sectigo Limited' . . . . . . . . . . . . [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 'Sectigo RSA Domain Validation Secure Server CA' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-12-14 00:00:00 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-12-27 23:59:59 +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 2.5.4.11 (organizationalUnitName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Domain Control Validated' . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.11 (organizationalUnitName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'COMODO SSL' . . . . . . . . . . . . [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 'readingtokids.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 (2160 bits) . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 27625764879021332214764753003782390602069466875069670045378246786253644516628911191259551489933146427546048346664957024343598313852806806080013878021802170442952403791514037860929332321749310846852794199240971793247219005335378493069232108580192441859254354526449839529534108018883386691357958490426169709047359068975295026402277346974438782406202849117263989580571360102623175552195847268838169149319140593862827980702759371486607430002632148714113867191781602586770819979927485959604129927192310620059072938309635897082320270537383368309417215139074110592008917611002961686843611138794302585317935670320747559205831 . . . . . . . . . . . . . . . . . . . . [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 2.5.29.35 (authorityKeyIdentifier) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (24 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|false] OtherName 8d8c5ec454ad8ae177e99bf99b05e1b8018d61e1 . . . . . . . . . . . . . . . . [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) 79a7b9cac5ae9ac13481c7a5b15c9e41d3ce4b55 . . . . . . . . . . . . . . . . [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 2.5.29.19 (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 2.5.29.37 (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 2.5.29.32 (certificatePolicies) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (66 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.4.1.6449.1.2.2.7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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 'https://sectigo.com/CPS' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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 1.3.6.1.5.5.7.1.1 (authorityInfoAccess) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (120 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.2 (caIssuers) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://crt.sectigo.com/SectigoRSADomainValidationSecureServerCA.crt' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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.sectigo.com' . . . . . . . . . . . . . . . . [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 (44 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'readingtokids.org' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.readingtokids.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) 00f000770007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c0000016f01c7c22a0000040300483046022100d77b38421213daa7cc6043ce09506106406860c935b9356076f37b9f16876d79022100d348e6b77ae0a4a31e7018f140df3846a5345292745eed7f46a63672338562c90075005ea773f9df56c0e7b536487dd049e0327a919a0c84a1121284187596817145580000016f01c7c21500000403004630440220383b833dd6ba9e2bf9d39ca9dec88f98c832ff98ec3ddf1460d1ab2028ceb0c20220766f98de2d8810b7e591ac8472881826d8af33baf3ad8f1d405f40d18ac1e65d . . . . [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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