www.locosms.co.uk

Issued by R3

About this certificate

This digital certificate with serial number 04:d0:72:21:09:3b:63:43:55:7b:50:fe:48:2c:95:4f:2d:8b was issued on by Let's Encrypt.

With 2 subject alternative names this certificate can be used to secure multiple fqdn's. 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:
  • DV certificate contains a subject common name, this is not recommended. If certificate policy 2.23.140.1.2.1 (CA/B BR domain validated) is included, only country and/or common name is allowed in SubjectDN. (BRs: 7.1.2.7.2)
  • Subscriber certificates use of Subject Key Identifier is NOT RECOMMENDED (BRs v2: 7.1.2.7.6)
  • Subscriber Certificate: commonName is NOT RECOMMENDED. (BRs: 7.1.2.7.1)

Certificate Subject

CN=www.locosms.co.uk

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:d0:72:21:09:3b:63:43:55:7b:50:fe:48:2c:95:4f:2d:8b
Serial Number (int): 419379579571158867484585085689201630850443
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 0f:25:22:a1:fc:02:e0:b7:d7:9a:aa:84:2d:7b:a2:fa:d6:27:e0:f0
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): f7:d2:5f:ad:56:80:26:4b:9a:e8:a8:2d:3c:ac:c6:51:8e:12:00:d4
Fingerprint (sha256): 75:8e:df:5f:d7:f5:fe:54:cc:f5:8f:8c:ab:90:5f:38:bb:bc:11:af:5b:da:42:0f:ac:b9:d6:6e:25:34:ca:42

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

Revocation information

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

Check the revocation status for certificate www.locosms.co.uk

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.locosms.co.uk

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

www.locosms.co.uk
www.locosms.gr

Other certificates including the domain name locosms.co.uk

(limited to 100 certificates)
www.locosms.co.uk
www.locosms.co.uk
www.locosms.co.uk
www.locosms.co.uk
locosms.co.uk
www.locosms.co.uk
www.locosms.co.uk
www.locosms.co.uk
www.locosms.co.uk
www.locosms.co.uk
www.locosms.co.uk

Certificate

The complete raw certificate details for www.locosms.co.uk in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAqAlbVg7rTdHhB5yMARvv
fLZuBgP+aXgQ/XGdlqDJ71HF0lVatcJotIjMyNwXJDQmZYanYtYFPhYKel2zdgnw
NVZrtiXWeOWetPD0SILMTN12EDzJ/JzcmGabbSTeLDuR5Pqc7+HjTOZlJAhpr4kv
6+cdWBvViRu4iuTFBGunmt9RltEHbt9dxirll4ic46whnikySgW+u+mFseUQ6QGA
txCeXZj99cE42dsFN9DkAw991+JwlqQ8hETY1bi2v5ND/BMUbMvvBxZaSQyANAFp
srqD9p1VpMWl277KyZqQ7bwSJmW+ucAYexE+iaqXJt7qKfhmSqGEJAPokanNe32h
+QIDAQAB
-----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 419379579571158867484585085689201630850443
 . . . . . . . . [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 2024-01-07 07:05:09 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-04-06 07:05:08 +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.locosms.co.uk'
 . . . . . . . . [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 21212649235416504166371642980214859454723261606113014829891086221803178836639988817648449142715642762502820068497775206868004743573332845345828759434901430276854872648785948492107176826103889329664100777234849540005051907682167011770625616188498635690648091911029024529713264476808030300262366280420697878900256259283018095370546563465693447245278022651180169703347566729825795622878886303456047503330768981760982391196543845704523123648439671767676638632987950038423514838085309837023929335248010108219804550650768946830742686942852988724546274432729617777435291772490518458269087676235048773632758432755728661717497
 . . . . . . . . . . . . . . . . . . . . [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)
							0f2522a1fc02e0b7d79aaa842d7ba2fad627e0f0
 . . . . . . . . . . . . . . . . [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 (37 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.locosms.co.uk'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.locosms.gr'
 . . . . . . . . . . . . . . . . [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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f000760048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018ce2f448d900000403004730450220133b7dd61e25ebbbc0bc872ee813e7bbba33914adac0194ec2f294a1e855e1ef022100d88fa6c255655dc80a60976669f794928c46e2baae34b0a26607b22bb6da900f00760076ff883f0ab6fb9551c261ccf587ba34b4a4cdbb29dc68420a9fe6674c5a3a740000018ce2f44b020000040300473045022100ab5b70405f3936a3ea10724126574465519dc125199f65ae5242bdec946b3a7c02201330ca82506062a4d2386382ac2bd7ab455517f1b697f445c84e3e1237b7418e
 . . . . [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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