webmail.ytec.co

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:a1:5d:c9:00:c5:e5:82:f4:5e:33:72:be:99:d0:16:98:52 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=webmail.ytec.co

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:a1:5d:c9:00:c5:e5:82:f4:5e:33:72:be:99:d0:16:98:52
Serial Number (int): 316246980740507373630919234417072998357074
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: af:13:05:2a:c4:6c:b5:40:50:b1:57:4f:ab:8a:51:9e:a0:e4:11:70
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 83:b9:f3:cb:87:e9:88:3d:3a:cc:95:32:1b:b2:1c:f3:8a:1e:79:bf
Fingerprint (sha256): b8:34:6d:a8:69:aa:c5:9b:f2:2a:f7:8a:92:7d:19:8a:84:9d:34:86:6b:6d:c7:dc:21:c7:05:6a:32:38:74:56

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 webmail.ytec.co

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for webmail.ytec.co

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

8 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

webmail.ytec.co

Other certificates including the domain name ytec.co

(limited to 100 certificates)
topeeka28asunnot.fi
webmail.ytec.co
rtw.ytec.co
freesoul.dev
www.sixteenapp.com
sni240765.cloudflaressl.com
ytec.ca
sni240765.cloudflaressl.com
sni240765.cloudflaressl.com
ytec.ca
webmail.ytec.co
ytec.ca
sni240765.cloudflaressl.com
sni240765.cloudflaressl.com
common.ytec.co
ytec.ca
sni240765.cloudflaressl.com
sni240765.cloudflaressl.com
ytec.ca
ngonimujuru.com
klfit.co.uk
ytec.ca
common.ytec.co
sni240765.cloudflaressl.com
sni240765.cloudflaressl.com
brizuela.mx
rtw.ytec.co
mcy-staff.koha.ytec.co
id.ytec.co
sni240765.cloudflaressl.com
sni240765.cloudflaressl.com
id.ytec.co
webmail.ytec.co
sni240765.cloudflaressl.com
itpr.ytec.co
ntinfo.co.kr
webmail.ytec.co
infoscreen01.ytec.co
common.ytec.co
ytec.ca
catalog.flowy.be
sni240765.cloudflaressl.com
webmail.ytec.co
mta-sts.ytec.co
id.ytec.co
infoscreen01.ytec.co
ytec.ca
intan.co.id
ytec.ca
api.arp.to
beautrixapp.com
common.ytec.co
webmail.ytec.co
ukcj-map.com
common.ytec.co
ytec.ca
ytec.ca
ytec.ca
id.ytec.co
www.hbhousing.nl
sni240765.cloudflaressl.com
id.ytec.co
id.ytec.co
ytec.ca
webmail.ytec.co
wifi.ytec.co
ytec.ca
id.ytec.co
sni240765.cloudflaressl.com
common.ytec.co
sni240765.cloudflaressl.com

Certificate

The complete raw certificate details for webmail.ytec.co in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAxg+BlicBP3xo8UPOy3Ac
XUXAhz8UGzcHMjCAqSOghHcOemtSI6+JociuHhyoRxDFQKL1XxvcrWv01iZOsATE
v8uZ8VJhhNQpG7KZsuM8HlXGWTk+GlIeE5IsF25sCE4DnVD8M57fAbMO3gPxr67T
j3gjYZ6qRAfaaCAeOOCYpodH9fGN+1MoneqiNjNsfgo6k02FZzAr5CIW6NIDsXki
G5I8Rh2Z+bUC3YvUBeCPNMylCYEoO6GWUXJ5vfXuTuyInHRK96KqUi9Rx7BVFLTQ
BAFXo/GoAYc0Jew0F4f0zST5YH7CQ6GwcDez2AibAstJebeyXyY4RrNo79k5jSDK
9wIDAQAB
-----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 316246980740507373630919234417072998357074
 . . . . . . . . [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 2016-11-27 11:20:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2017-02-25 11:20:00 +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 'webmail.ytec.co'
 . . . . . . . . [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 25002830774199101778794704458033607578068138950742522175703877052836727840638471473499479228237909155778891418724019779855653841332442743417884375986424103364955220713484238025984938340437609185339959067920875313469460381006921723946826177398487698872219388071656893593516402690694313871339564265981404691753356200063046653803263164136628376154341495217126694267828184869815855132169106262506647592800320928395644803206486896893269199142438690922298821707856834970068608098731099189765444233984532188142252273471676135107213737688050028799359582870304082191764737155956147100940173737066213364419722440113766906514167
 . . . . . . . . . . . . . . . . . . . . [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)
							af13052ac46cb54050b1574fab8a519ea0e41170
 . . . . . . . . . . . . . . . . [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 (100 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 (19 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'webmail.ytec.co'
 . . . . . . . . . . . . . . . . [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 (246 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 1.3.6.1.5.5.7.2.2 (unotice)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:12|false] UTF8String 'This Certificate may only be relied upon by Relying Parties and only in accordance with the Certificate Policy found at https://letsencrypt.org/repository/'
 . . . . [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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