reso.io

Issued by R3

About this certificate

This digital certificate with serial number 03:13:c8:7e:9e:9f:80:23:34:8e:83:bc:b2:cc:ef:28:c1:aa 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=reso.io

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:13:c8:7e:9e:9f:80:23:34:8e:83:bc:b2:cc:ef:28:c1:aa
Serial Number (int): 268068725812597381167122535071648364151210
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: af:3f:c1:4a:6d:0d:56:87:e0:c4:44:21:3a:2f:60:5c:84:ee:bc:61
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 12:c5:52:1a:35:58:af:01:ff:2e:8b:e5:19:04:a7:9f:6c:99:59:1d
Fingerprint (sha256): e4:15:38:92:51:17:98:32:00:e8:2b:b1:42:5d:02:5e:f1:fc:e4:96:88:07:35:1f:15:b4:3e:fc:8d:71:9d:c4

Issuing Certificate URL: http://r3.i.lencr.org/

Revocation information

OCSP Server: http://r3.o.lencr.org

Check the revocation status for certificate reso.io

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for reso.io

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

9 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

reso.io

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Certificate

The complete raw certificate details for reso.io in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA5OAiNapEx9QSZLXZFj4q
ZZ5QQKUCr5UGGBOjnzR9thfuc36s4gn5x/7UG6o213VPiWCLmXYUb8FN13dSmwFu
aw3rvPBhzB4G8wrPFBBHo8gABv+XPzQNQzdnDk3LJ34UxYmKNUyWCjfyqMR2qCfm
NL5okBY7MQ34jOnTpBlQdayqkEZyy7aZlVub3lHFo+QL2MTpJncFrXPoly1rESdA
/UW0WPtdld/lLCRWecIjH7FyF4SdTWs28fs7v/jitWVIhFR5E2LX7he9767aPKUY
tfTO3YnDsuxhXkUTj90HW3DMUPT9VLzuBi9A1JjnFo1rrsfny2b08bhKw4EDm1XJ
oQIDAQAB
-----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 268068725812597381167122535071648364151210
 . . . . . . . . [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 'R3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-07-07 04:39:51 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-10-05 04:39:50 +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 'reso.io'
 . . . . . . . . [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 28892857945188543945694863260471471284691729742218841882466866426270690165795191536090595326957475537630169950062044399288455926009519335737469539115342835375013923509436757825297611130926947251264316472682957227677384873266970807852807552545439115050105860622224072210928055699955714677149265246624682272541136498919074825372046587920550815615950751945281384593537117098813185418921336514783678380675045378367771841537510312634835972660881518364732214003438539953474850244657177035964906518150062490899889288554160549398067227278086948484886793873932961897757735236568433902747177221812016916701585510964356057516449
 . . . . . . . . . . . . . . . . . . . . [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)
							af3fc14a6d0d5687e0c444213a2f605c84eebc61
 . . . . . . . . . . . . . . . . [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 142eb317b75856cbae500940e61faf9d8b14c2c6
 . . . . . . . . . . . . . . . . [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 (73 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://r3.o.lencr.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://r3.i.lencr.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 'reso.io'
 . . . . . . . . . . . . . . . . [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 (12 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 1.3.6.1.4.1.11129.2.4.2
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef007600b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb499000001892edd21a00000040300473045022100cb7913d3e08014493ef51c04a29e2a9ddb4b4900f6300127557386d420ea2fd902207abbd552066160cf45187675a4f1d292869748e5281c7b990366910b121837910075007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb52000001892edd21a50000040300463044022002071e0a0c5da762eddf2ceb571ddb89df09e840f3803630d51aa577d24447ed02201518e264c871a4e86d731b3978bdcbea41175de9997910e52f822c5b3f86a9ed
 . . . . [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)
		0044d123e69b4f296996d626f853b502eeca2bf8b28c3aa183b5e467b293d60b784dab9e2e75f8842b40d1cd0d5448853d0b7a9eb28e51d0460653e9776c40ca11d6a52740af5d5095f813c7cd2cd55fbd83409538a7456a14d2c1c1bf9308dfa437691719a19d6700329663c165c10ed2f41df4b15ddd234bcf70dd6603c70dbd3c35ce06ec26a69df1067d58c7a032921672b378d191225cebdbf2e70a1446569276f15e7b0e903e9fadf5a93bb827e8387fcfb271031580af67b030b4988437c1a6579a43e49933f609588e7464c433eaa9ece59e06507fce8cc39ec82edc5b0e5067d09071d1a8d50bfce5e6e15bcdfe8827f540cbbf1c7a497587a5a74949