www.coma.net

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:ff:25:af:4a:53:fe:d5:ac:26:f3:57:fb:8d:f1:4f:d6:2d 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:ff:25:af:4a:53:fe:d5:ac:26:f3:57:fb:8d:f1:4f:d6:2d
Serial Number (int): 348158952955467449270731954145259103966765
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 97:5d:14:b6:fc:27:30:43:80:a7:49:f4:a6:a1:6f:fe:e4:a5:0a:2e
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 93:c0:8d:f0:5f:af:45:36:44:ad:17:88:c2:51:46:10:8e:41:bc:d6
Fingerprint (sha256): d9:7c:a8:55:14:86:6f:9e:f2:3d:25:aa:0e:d6:e0:0a:74:e8:e9:d0:7f:9e:04:c0:06:a4:c2:b9:0a:75:84:b1

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-----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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 348158952955467449270731954145259103966765
 . . . . . . . . [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 2019-08-29 08:31:39 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-11-27 08:31:39 +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 748626191294081896125399946360631085352884585335275790733688072770824296494907702080309367421406337401979379204862543272165402412353318802537270566886290431719749325987357715746166963025184234210105858120854546135225674174366182095821332298250857525246210938996549301080470592311002565065105914967088352899915510767103232807160078368204740501674858577456780509184256555780750707942621786792954649884087903767968818148378964863368841424664777891318242556358698429539453896224162844540932826897112346635879983245435281691988609501445770099305036910053518693756530819944634102733383260009092773922349326581228600556504073435930992511738640490144653658123806474041574588780911049794495963775956995242162508514661183522495746250353031316337545630191606796038145992349665587630200060567527648879203153625153475593155687975497761432035476776912271191200205603796425885949477814069416889454168184291510680654855261591959175327486950967887085529698536894616570903649506873032566659522038955952496522520678608312593743802339512009357339478627684681758961464040290271474047255426341000785653821179474862443178619666139321811577021090859025428606073969763362939828527968716841135870202009212874075505140440842239986383034527312501886059487864907
 . . . . . . . . . . . . . . . . . . . . [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)
							975d14b6fc27304380a749f4a6a16ffee4a50a2e
 . . . . . . . . . . . . . . . . [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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef007600747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc560000016cdcb7594b0000040300473045022100a87c54b320e5b505e167b530a33c5fc02cf1882406739828c01b1b1376dc587f02207cbc67ddd17fbd64faa2b858d07d533cfcd2d949031d35a2a2278843f0c57c9a00750063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d0000016cdcb7593300000403004630440220096800465d4a1ab8f18fc4bedd85e55e148b47d74d4b6b57f1479e61bb0e4c1902204f623607faf238350b881fb53428557b8d07c7724a1c27935b654c594237d880
 . . . . [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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