ampr.org

Issued by R3

About this certificate

This digital certificate with serial number 03:fc:14:cd:e7:72:b9:62:c5:e2:fc:58:9e:1a:8d:cc:a7:38 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=ampr.org

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:fc:14:cd:e7:72:b9:62:c5:e2:fc:58:9e:1a:8d:cc:a7:38
Serial Number (int): 347115667934454933795966642705519795283768
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 69:81:f9:ff:59:2f:2c:10:2d:cd:2a:05:59:23:5f:07:f9:94:0c:8a
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 7c:9b:a9:5c:e9:05:75:aa:23:18:63:fe:4d:56:a1:29:85:aa:d3:71
Fingerprint (sha256): 2e:b6:3e:4b:4d:e3:12:b8:c0:8e:ab:d8:4f:29:b6:f6:1e:6e:63:34:7f:dc:08:92:7d:75:39:67:f7:08:d8:ca

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

Revocation information

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

Check the revocation status for certificate ampr.org

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for ampr.org

Public Key Algorithm

ECDSA

Key Size

256

Signature Algorithm

SHA256 with RSA

Key Usage

Digital Signature

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

ampr.org
www.ampr.org

Other certificates including the domain name ampr.org

(limited to 100 certificates)
n1uro.ampr.org
db0gw-i.ampr.org
sp2l.ampr.org
jplarc.ampr.org
f4mzi.ampr.org
ja3yaq.ampr.org
sp2l.ampr.org
db0gw-i.ampr.org
www.n0qbj.ampr.org
mattermost.pi9noz.ampr.org
hosting.va4wan.ampr.org
as15780.ampr.org
www.crarc.ampr.org
www.n0qbj.ampr.org
ja3yaq.ampr.org
f4mzi.ampr.org
www.stagecraft.cx
de.ampr.org
jplarc.ampr.org
f5pql.ampr.org
hoseline.pd0mz.ampr.org
www.stagecraft.cx
www.crarc.ampr.org
jplarc.ampr.org
wiki.ampr.org
sp2l.ampr.org
f4mzi.ampr.org
n1uro.ampr.org
as15780.ampr.org
www.pb0fh.ampr.org
www.ampr.org
ja3yaq.ampr.org
portal.ampr.org
portal.ampr.org
f5pql.ampr.org
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www.pb0fh.ampr.org
db0gw-i.ampr.org
www.pb0fh.nl
de.ampr.org
pi2shb.ampr.org
sp2l.ampr.org
db0gw-i.ampr.org
ampr.org
bm-lastheard.pi9noz.ampr.org
www.n0qbj.ampr.org
www.pb0fh.ampr.org
wiki.ampr.org
weblog.pe1pqf.ampr.org
f5pql.ampr.org
www.ampr.org
db0gw-i.ampr.org
gw.ampr.org
www.5150fm.net
ncpa.ampr.org
wiki.ampr.org
www.pb0fh.ampr.org
www.oz6bl.dk
www.n0qbj.ampr.org
www.pb0fh.ampr.org
as15780.ampr.org
db0gw-i.ampr.org
portal.ampr.org
www.ampr.org
weblog.pe1pqf.ampr.org
as15780.ampr.org
www.5150fm.net
jplarc.ampr.org
ja3yaq.ampr.org
www.pb0fh.nl
db0gw-i.ampr.org
ampr.org
bfoo.com
ncpa.ampr.org
jplarc.ampr.org
www.pb0fh.nl
serveurperso.flnet.org
gw.ampr.org
ncpa.ampr.org
de.ampr.org
db0gw-i.ampr.org
weblog.pe1pqf.ampr.org
www.ampr.org
mailman.ampr.org
jplarc.ampr.org
f4mzi.ampr.org
portal.ampr.org
ampr.org
f4mzi.ampr.org
weblog.pe1pqf.ampr.org
mailman.ampr.org
www.pa3get.ampr.org
wiki.ampr.org
portal.ampr.org
www.oz6bl.dk
mattermost.pi9noz.ampr.org
sys6.pe1pqf.ampr.org
mattermost.pi9noz.ampr.org
www.ampr.org
de.ampr.org

Certificate

The complete raw certificate details for ampr.org in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----
MIIEITCCAwmgAwIBAgISA/wUzedyuWLF4vxYnhqNzKc4MA0GCSqGSIb3DQEBCwUA
MDIxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQswCQYDVQQD
EwJSMzAeFw0yMzEyMjQyMDAyMzZaFw0yNDAzMjMyMDAyMzVaMBMxETAPBgNVBAMT
CGFtcHIub3JnMFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEDCAeSQv/m8XXE2AU
zAzhaId+HktN/9PcLmxZQW+FYO6ORi1FnkzB1sSo1Wv4ku2g65Ck15b+iRRIgaYa
0g9THaOCAhkwggIVMA4GA1UdDwEB/wQEAwIHgDAdBgNVHSUEFjAUBggrBgEFBQcD
AQYIKwYBBQUHAwIwDAYDVR0TAQH/BAIwADAdBgNVHQ4EFgQUaYH5/1kvLBAtzSoF
WSNfB/mUDIowHwYDVR0jBBgwFoAUFC6zF7dYVsuuUAlA5h+vnYsUwsYwVQYIKwYB
BQUHAQEESTBHMCEGCCsGAQUFBzABhhVodHRwOi8vcjMuby5sZW5jci5vcmcwIgYI
KwYBBQUHMAKGFmh0dHA6Ly9yMy5pLmxlbmNyLm9yZy8wIQYDVR0RBBowGIIIYW1w
ci5vcmeCDHd3dy5hbXByLm9yZzATBgNVHSAEDDAKMAgGBmeBDAECATCCAQUGCisG
AQQB1nkCBAIEgfYEgfMA8QB3ADtTd3U+LbmAToswWwb+QDtn2E/D9Me9AA0tcm/h
+tQXAAABjJ2jCasAAAQDAEgwRgIhALDzwajiWso6RcQ9Aq0de8JrC+mo8lzll5jH
gp5YAl5QAiEApD5V7WsYOyJIBjOkfBM4/mR4Jw3G+tmPrTyml4Yn8m0AdgDuzdBk
1dsazsVct520zROiModGfLzs3sNRSFlGcR+1mwAAAYydowm6AAAEAwBHMEUCICjY
oN939Q3G4yDNOe4U7SLmQ0Rit4CZWcsqCiCkXIZ1AiEAxEyfALsIFzPSWV94r6JJ
F1fukSlFIHvr8qoggBk9b2gwDQYJKoZIhvcNAQELBQADggEBAFmVrs50yTqHkWzn
GDDD2sAw78aWQ5uMxoU4ZtbEYClDbbGQt1aE+FHAiPgioOt1HLWgNhIhtSx6IU65
YFpN/CYbLTX/DgMBloUcP0Wn+Za2fRCE8blP9ojy88FEW0TOMeo8S+mpXR8mHDpH
1feD9+m53DPc6Ob/+1qC3UyicfvX7w32EgyhaAqg6PC0XkUjOt2Jz5INKkXibo3n
/THvdJ00cCbxkIWQ3vgtS9RhDziJSjO6O8mKrPhDxwlHcZYMaGKsgRG/l1qnFkak
zHQn+774V8FLt9gYp6NWplGVhM2y5TDAasnxyZsee0dBXaM0mHy2jFz8kyY4r1EM
G2PBS08=
-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEDCAeSQv/m8XXE2AUzAzhaId+HktN
/9PcLmxZQW+FYO6ORi1FnkzB1sSo1Wv4ku2g65Ck15b+iRRIgaYa0g9THQ==
-----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 347115667934454933795966642705519795283768
 . . . . . . . . [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 2023-12-24 20:02:36 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-03-23 20:02:35 +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 'ampr.org'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.10045.2.1 (ecPublicKey)
 . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.10045.3.1.7 (prime256v1)
 . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (520 bits)
				00040c201e490bff9bc5d7136014cc0ce168877e1e4b4dffd3dc2e6c59416f8560ee8e462d459e4cc1d6c4a8d56bf892eda0eb90a4d796fe89144881a61ad20f531d
 . . . . . . . . [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 (1 bits)
							0780
 . . . . . . . . . . . . . . . . [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)
							6981f9ff592f2c102dcd2a0559235f07f9940c8a
 . . . . . . . . . . . . . . . . [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 (26 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'ampr.org'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.ampr.org'
 . . . . . . . . . . . . . . . . [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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f10077003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018c9da309ab0000040300483046022100b0f3c1a8e25aca3a45c43d02ad1d7bc26b0be9a8f25ce59798c7829e58025e50022100a43e55ed6b183b22480633a47c1338fe6478270dc6fad98fad3ca6978627f26d007600eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018c9da309ba0000040300473045022028d8a0df77f50dc6e320cd39ee14ed22e6434462b7809959cb2a0a20a45c8675022100c44c9f00bb081733d2595f78afa2491757ee912945207bebf2aa2080193d6f68
 . . . . [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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