www.ot10.org

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:1f:0f:21:c5:c9:db:15:78:60:fb:3b:af:e8:59:da:0f:ff 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=www.ot10.org

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:1f:0f:21:c5:c9:db:15:78:60:fb:3b:af:e8:59:da:0f:ff
Serial Number (int): 271905724947190293452453870433413266804735
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 61:ef:f4:63:94:49:28:7d:6c:b1:9f:27:da:62:6d:6f:ac:d3:3b:1b
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): a2:ef:d6:36:0c:ad:63:22:b7:7e:a8:51:ef:fb:a8:27:78:91:8c:b3
Fingerprint (sha256): 5a:5b:95:67:d8:41:79:a8:97:35:00:44:aa:43:b3:0d:17:a7:8d:d2:69:84:bd:86:93:52:52:2c:f4:48:f2:84

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 www.ot10.org

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.ot10.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

www.ot10.org

Other certificates including the domain name ot10.org

(limited to 100 certificates)

Certificate

The complete raw certificate details for www.ot10.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 271905724947190293452453870433413266804735
 . . . . . . . . [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 2019-05-28 19:09:11 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-08-26 19:09:11 +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 'www.ot10.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 924662160876592556207829722214011844570465855858489398786089962726819597983190760198206806870755235138999554962058002896960026876775533190254809523292758031521277501490776786011024455620045105407662620993680039454926907985949965126968436787624367102486354428440024641477359718171980322388507667148674231535534807716594935866050692535144849666962313916517256956279354593889553077901878802843558739980703644932885853994075364088304339281941219996556517760392219093494834920557636084329458903887058587514679133868994550927678830524217331250936308232438714467394027286518231188621206833395483554543691084500051238197750911802274366817628120814248879884836396174615105225723037243055100648176408081038121455009426794412370254941184755786504043940083467134950561268502092839305952143382953846911418018334225332631444190983138336396339332192237778874984294257521683637944709700878386149556043588460524902604129123788997172529531519128420106990709276209466337554869647192165007948525665035926910798425933541627861243303925782446635129682470096991220503192978819280898069374346040246990992174939849786008594369192797986835073680074736100447938675806611097314003053098817896811797832378078811228072764086360183729700034206196257763862371931133
 . . . . . . . . . . . . . . . . . . . . [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)
							61eff4639449287d6cb19f27da626d6facd33b1b
 . . . . . . . . . . . . . . . . [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 (16 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.ot10.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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f0007600e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f2893019dddf1dbfe0000016b000f9b4b000004030047304502203c853263da9c7b9efc240d4b42daebe919486e28a3158187272b0802cb38e994022100cfb0eb0a9ca1813ce95ee02a076bac844637f3396922e49427cc8ac3d70f791b00760063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d0000016b000f9b6c000004030047304502204ccef280ea0c6e31dfad01dc5ebe06ce4f0e5602467e9caab290ec7abe0b692802210095facdf53f0c6d981e5adb33b143e8b2fae0cb72273f698c86411a03e2b90aa6
 . . . . [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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