www.coma.net

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:87:9e:c9:e4:bd:3d:e2:94:96:c7:1e:44:a3:3a:bb:e0:f9 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.coma.net

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:87:9e:c9:e4:bd:3d:e2:94:96:c7:1e:44:a3:3a:bb:e0:f9
Serial Number (int): 307486043643992679568002157133406586790137
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: b5:90:9b:9e:30:b1:bb:79:79:77:3e:ea:9d:ff:c7:26:60:09:66:21
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 6b:d1:d7:6d:1a:e6:73:70:34:92:05:84:58:a1:6f:ec:92:b2:fe:75
Fingerprint (sha256): 2f:42:79:3d:32:a8:5b:f9:d2:a6:23:08:9c:0d:cd:e2:ee:95:c2:d9:77:fc:0a:da:06:c7:d5:a2:12:3a:f2:26

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.coma.net

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.coma.net

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.coma.net

Other certificates including the domain name coma.net

(limited to 100 certificates)

Certificate

The complete raw certificate details for www.coma.net in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAzEcygB8wuiVujxVE/ENX
XUDT+aoQDooMIwXtEs9eQ6HTIHO+E6NVehQymlaPiKvuUsAO0eGIonSgsw7QffUo
wmiv9K/A+ew8KrWvXaKT3CBhKrY5h0XEL1jLXJiq3Iid1Kyywig9UW4H+Emxy0q4
xUnQeWtq2WB50O3QrKEBn6dVmRejSea8HhCQtJlTUs55UtbOj4RTle7t2imqDMs3
tjQfDOChpViiOWRcne8mN7z8qAZjyhy1/hSMvw8tHJH/xFl49L/kpfGXgQ6H0cEW
4ZzEahp2THKU+yalCEOOe3idUq0ZIbxdXea+S3qR4OSeOnl4q8h5UvvKMu4Jv3BM
7sAC+CWGJKXq2Co+sh2VAholLenQFY/WvKgmCbwLH6G+z6yRxux0GkLi7MNiAmFv
Eau06VwGrTz7kRDidZuwuYLZMg46zH+RK/lKymmNflhpcVKR7IgKSosAfydchy98
fPu0yIJF8qH7djzIK4c04yidOAbY7SFOTdDFxBknCiuaQ6Gn6pwYRKb45tdvDgQW
bbLnFGRFkOvzO0kk46Ik01AlkOPYUIHvu60ie0Q/4PAWxdtHeg5SF+2BU24TlFp9
db8fjk3mOy0SV15zaDxyX0GUv1TQczs0qwBtzY7aXJYUgmMTiijdx57L9rAvVmZ8
Q6m4j4PS9DuQu5m+ZQ1punsCAwEAAQ==
-----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 307486043643992679568002157133406586790137
 . . . . . . . . [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 2019-11-10 04:10:25 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-02-08 04:10:25 +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.coma.net'
 . . . . . . . . [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 833381997336850851439778363395424291892380884453581022536380167007965370328026384334111403695991450493679112187040116266420703614043260450326596971735518853929471288507253196025081851807424726794255989452834268911192131591713191230217425090796646679294674206247427729637598573344945679262938266271664986562067505977652989357852247312717251782427317117639977511511056127273873823208892639429493698442368281090134503351290210813535756724048398340018131659579285997688918959009540575853780080674811937608507206353614263809149165075707318658139129655654042647738927571628533261387364734897182787953557929546205321304532811461034768882763200170963454068328974916115500621441720663187378476368732176173254680139433775310984223610047345732331109704059153641704561957585858288449628343468505144928953967589299587317286930086173037479030575435880713363029662989273147361190452159744858194230824155610287012338079977259736325445791802203570605037121884517081592244512623438318936488889013152504802259945540817183516321955513120022319939585323369387468473343126730601457772446764713657017896261390575844278001277168123798914158967693935490941045746190598020483572413121042275623468501368319363661929054422969153200920602397224666525177081346683
 . . . . . . . . . . . . . . . . . . . . [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)
							b5909b9e30b1bb7979773eea9dffc72660096621
 . . . . . . . . . . . . . . . . [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.coma.net'
 . . . . . . . . . . . . . . . . [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)
							00f0007600f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb2730000016e53b86dbe000004030047304502210098f292a3cf913b89db4f33d234dc289c22193060b7fd9cd68315724cd69db2c50220534f276e38a60d81764e7adf378fb823bb23cc33c7e7548edceae15c920e071b007600b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016e53b86daf00000403004730450221008c228fa068bf8b605616b103ee0e9c369198ecf8d22ec70167fa8627862f2a1b022025438b3c047d3e8a16c30d99e6dbab19a214a1fc601533f66cb5bae3f6a495f3
 . . . . [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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