webmail.ytec.co

Issued by Let's Encrypt Authority X1

About this certificate

This digital certificate with serial number 01:e8:ce:6c:48:6b:96:82:fb:52:ad:6f:57:f5:23:a1:50:c1 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): 01:e8:ce:6c:48:6b:96:82:fb:52:ad:6f:57:f5:23:a1:50:c1
Serial Number (int): 166332178261467870551944297802063402848449
Serial Number lenght: 137 bits, 18 octets

SubjectKeyId: 38:28:a5:7d:de:fa:24:44:ff:c0:68:62:1d:0b:32:3c:2e:5a:91:ca
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 1e:08:6c:32:de:da:4b:cf:77:7c:9f:7d:8b:19:5f:a2:3f:37:39:b5
Fingerprint (sha256): 6e:ea:3b:a1:6e:e1:2a:25:05:04:66:26:11:7b:5a:2a:be:a9:76:97:57:16:7e:16:a7:fb:fd:95:d7:b2:3c:50

Issuing Certificate URL: http://cert.int-x1.letsencrypt.org/

Revocation information

OCSP Server: http://ocsp.int-x1.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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAsjDM5/y3NxYb0FYz/TMp
hrAlR0w63+4kuQ5seWlCU34xPvx+temlJpL8iCpkEv4ZyuC5pSj0tW/JmXX8oNfx
Dd8X2rG+nTMKkj1rX/rIgQaw6uFOSf+39+bhwaQMMmZrOBnh3ZsKhhzHkUay4fIv
MaCRY32aR1ln+J6Yl2GqTzw1rWPh/OCwGipJrO0tDtI53aYne0X7hutHf9PblVUp
S/VHu0oG77wZt4GCdPiPhkH5Yuh7o8xkFbWTAl3TCaKGxuGXcYUEiRBE22xs4xYX
wHWkrk4RV+Ij5SS9FtuPzSVRQ+sTfKXLzmJJbXDH8TFm0D5zIDNINPx8tpo2cDSe
ywIDAQAB
-----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 166332178261467870551944297802063402848449
 . . . . . . . . [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 X1'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2015-12-21 01:44:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2016-03-20 01:44:00 +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 22494482665409446230520838156276772341125392316129265588607149806045782243364674165863795289433504362374035243141652623714913192894421788110201588122506247078734903165760704641162788663081807483562278944178951033091571662068151869737730695635665516968495046364090033917221378503849234679921277711430506275536383718531977791627904146431173453658928249265747157878245812608358192487921125107941557711602605871916922330147107147521503427127583934358425373334196680918365153659949237034403967786919591202458829156199677221447800239640137783024797623883307281673564094663044392088841704596978860135574503888419635626024651
 . . . . . . . . . . . . . . . . . . . . [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)
							3828a57ddefa2444ffc068621d0b323c2e5a91ca
 . . . . . . . . . . . . . . . . [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-x1.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-x1.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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