www.amptelecom.com

Issued by R3

About this certificate

This digital certificate with serial number 03:40:1c:a9:2a:a9:6b:ac:d9:6e:5d:e4:8d:0a:30:71:4c:2f 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:
  • 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.amptelecom.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:40:1c:a9:2a:a9:6b:ac:d9:6e:5d:e4:8d:0a:30:71:4c:2f
Serial Number (int): 283153026025555958308200324450899903728687
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 4a:1b:b7:fa:00:8d:a7:aa:50:c2:ef:95:5c:c9:2c:f5:5d:0a:ab:de
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): f0:5c:fa:fe:ff:54:d4:3f:16:b1:89:f8:ad:a1:41:1f:13:a3:4f:48
Fingerprint (sha256): b9:ef:b6:4c:89:10:ac:c1:76:9d:a2:6e:18:86:3b:64:aa:39:07:7c:69:11:a4:15:42:87:53:86:be:df:12:b0

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

Revocation information

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

Check the revocation status for certificate www.amptelecom.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.amptelecom.com

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.amptelecom.com

Other certificates including the domain name amptelecom.com

(limited to 100 certificates)
assist.smargasy.com
ampapi.amptelecom.com
assist.lightningip.com.au
assist.amptelecom.com
www.amptelecom.com
assist.lightningip.com.au
dev.amptelecom.com
portal.amptelecom.com
assist.starmaninc.com
assist.lightningip.com.au
assist.lightningip.com.au
www.amptelecom.com
*.amptelecom.com
assist.lightningip.com.au
www.amptelecom.com
assist.netsuccessusa.com
*.amptelecom.com
*.amptelecom.com
assist.lightningip.com.au
assist.lightningip.com.au
assist.lightningip.com.au
amptelecom.com

Certificate

The complete raw certificate details for www.amptelecom.com in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA1wyU1s/EsQnWjRDDHkrA
D+J8DEajdoK6FxTqqS5IHoeysih3LmzwuaESHrIw3UKVZdVcjsyLyt/WoaV7gbdx
uUHXOJUDzz0/qa+Nwfbanxmb+oxO8cEJbUBEG44FZaaFXKy43BhtiTm/AbdiCtQV
hK3OtV+zlbtw8Bti7GJMkqpXOcLK0uf4Eby6MiHwSJxCYj1zZRb1Ez9+jaxtQLUu
b78BaMvtZykSEQjk+V5wJ6+dI7dHKBUx6Oy9Uswj9T3gh2s6/dingZpbcHuLy726
SVtejvy5XWqvsEmrBDcKO9gGg6ftW2O0PJCVkzifMaCeLaycbiaGtWAoy568awEO
BQIDAQAB
-----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 283153026025555958308200324450899903728687
 . . . . . . . . [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 2023-11-28 02:10:07 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-02-26 02:10:06 +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.amptelecom.com'
 . . . . . . . . [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 27147439688636688706865836651583496818354293543155467491512895745740146612678968813365370339050448801143807532435005719658566774125004003539637909049656126361739542617691957900953201846805805707785360799779265833981733534479603510084135931559844052141229696952036839345028638761477711114027516622966924311026356699264453825617129858725820601952169659172076942881993560306994972228774319600936769879357391801428072483651923704182612235790560768079156456999146609904772443227238109369719350385547363765179785615739958730649603263028899161911391397504328133396068582139777069654104243812901661853435634622930712906501637
 . . . . . . . . . . . . . . . . . . . . [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)
							4a1bb7fa008da7aa50c2ef955cc92cf55d0aabde
 . . . . . . . . . . . . . . . . [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 (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.amptelecom.com'
 . . . . . . . . . . . . . . . . [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)
							00f000770048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018c13e7ceb8000004030048304602210088d7367180b1b94e3cf7f30397c545ba4a0f2ac1ad1248e39620d289e2acb1aa0221009d4373e6d31f75dc998eb4357117ea4244df216b365aea3add6e8d9f4366ac9800750076ff883f0ab6fb9551c261ccf587ba34b4a4cdbb29dc68420a9fe6674c5a3a740000018c13e7cf3700000403004630440220643f9bb503916186e7349a9a9d50bfcc93a47f561a01ef9eda4c97dc4b10303002203d1056d270f0c869264b226df232c6519f46f9fe2ccf64e247c55cb02ac3c940
 . . . . [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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