rme.net

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:1c:e4:ea:52:55:ae:93:65:c9:dc:75:af:c3:4d:ad:3e:cc 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=rme.net

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:1c:e4:ea:52:55:ae:93:65:c9:dc:75:af:c3:4d:ad:3e:cc
Serial Number (int): 271169044719516884783169868638308849761996
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: a6:e0:f6:f3:68:0c:4f:12:8a:f3:e5:99:fb:21:33:79:c5:4c:d8:8a
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 0a:ca:68:4d:d9:7d:ff:68:d8:6f:21:c8:b3:1c:15:cd:c6:f9:47:b0
Fingerprint (sha256): a2:b4:bd:cc:62:ee:a6:50:c0:0f:93:2b:17:76:22:13:89:36:75:c6:48:f9:83:83:ca:8e:66:73:15:ac:5a:8f

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 rme.net

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for rme.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

rme.net

Other certificates including the domain name rme.net

(limited to 100 certificates)
francavillaalmare.org
rme.net
www.rme.net
rme.net
rme.net
www.rme.net
www.rme.net
www.rme.net
rme.net
rme.net
www.camicette.com
powarinsports.net
www.rme.net
rme.net
www.rme.net
rme.net
rme.net

Certificate

The complete raw certificate details for rme.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 271169044719516884783169868638308849761996
 . . . . . . . . [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 2019-03-23 05:26:15 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-06-21 05:26:15 +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 'rme.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 960471842537484401956245012771381774953832497883263019868134804921647408044284832832517766731481287385943621515178789715936085218439298133799898077874375040631670781762300587562819428580061212038376750615939562283368789115250541837500926781011912993151831174488801516167638057849400035041685084716025000834695679291623669395677636682293196248749174627999799470392237233163165143227375414526084326785009698644314267705448533939767898978588607546883002389351649415907042857095256558985720050818369115301936915867731395173779090497659780404070225836903561948152323564725819429056331540666838217805461201643151063761123194943794259329912313173922651631271341278431089741745270651981856381437581911943941371834105562516684482321160721705914967468437928611871358752647132086438953316604794160655225396589272870724771203550117748774857700719044455483339001937940393628829251717105707475883922744097759357844051785900760606588546562021772911891145164452025621194358679037998075399997160797654327044498944536434682903710807908889794981016304842607740573708089330844350843659248122987039832224370138288609079647082835740626894139470968423484607070565193677128728142250125903561041007689980622254681586974807815041756502008517137067988379538661
 . . . . . . . . . . . . . . . . . . . . [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)
							a6e0f6f3680c4f128af3e599fb213379c54cd88a
 . . . . . . . . . . . . . . . . [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 (11 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'rme.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 (247 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (244 bytes)
							00f2007700747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc5600000169a93a7a58000004030048304602210089dc5216f2cc100fa09de185b9c81c0ef5069f3891e1b91c3090d68c942a7717022100c2ccb5a32858e36f23b0be6133bd61e598a0d2b16d3e8aca522affc0d8f6d76e007700293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f47800000169a93a7a650000040300483046022100b687109543769eadeabc05f694b2d9ee1169d3d7f6fe9bfc9faf6249de604402022100fa7bbd80d45eb73042a0c88b3d26c9a940c5715fc6dcf26f05264baddea9e1a5
 . . . . [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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