airmason.com

Issued by R3

About this certificate

This digital certificate with serial number 04:e7:bb:d9:63:07:1e:e8:75:ed:5c:ac:4c:69:68:1f:a7:e1 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:
  • Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)

Certificate Subject

CN=airmason.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:e7:bb:d9:63:07:1e:e8:75:ed:5c:ac:4c:69:68:1f:a7:e1
Serial Number (int): 427304064857930566449458983282388670326753
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 36:d5:71:54:b3:eb:f9:6e:ef:07:f2:ed:04:3c:6a:dd:60:0e:b8:df
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 53:73:56:0c:02:22:24:4c:d6:0e:40:ab:63:1b:f3:3d:b6:61:82:41
Fingerprint (sha256): 04:3d:66:66:ef:78:06:9a:47:96:bf:a3:51:85:5c:f5:96:d5:db:c0:2d:56:43:ea:ca:05:a4:e4:28:1d:10:70

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

Revocation information

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

Check the revocation status for certificate airmason.com

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for airmason.com

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

airmason.com
www.airmason.com

Other certificates including the domain name airmason.com

(limited to 100 certificates)
airmason.com
airmason.com
books-lb8.airmason.com
blog.airmason.com
pages.airmason.com
books-lb8.airmason.com
affiliate.airmason.com
books-lb9.airmason.com
books-lb.airmason.com
airmason.com
support.airmason.com
books-lb4.airmason.com
books-lb9.airmason.com
www.airmason.com
books-lb2.airmason.com
books-lb8.airmason.com
partner.airmason.com
books-lb5.airmason.com
support.airmason.com
books-lb2.airmason.com
affiliate.airmason.com
books-lb2.airmason.com
books-lb6.airmason.com
books-lb9.airmason.com
books-lb9.airmason.com
www.airmason.com
books-lb8.airmason.com
handbook.differential.com
books-lb4.airmason.com
books-lb8.airmason.com
affiliate.airmason.com
books-lb8.airmason.com
books-lb6.airmason.com
airmason.com
beta.airmason.com
books-lb.airmason.com
books-lb8.airmason.com
*.airmason.com
books-lb2.airmason.com
books-lb4.airmason.com
books-lb2.airmason.com
books-lb4.airmason.com
partner.airmason.com
books-lb8.airmason.com
books-lb8.airmason.com
books-lb4.airmason.com
books-lb10.airmason.com
books-lb4.airmason.com
books.airmason.com
books-lb2.airmason.com
affiliate.airmason.com
books-lb4.airmason.com
airmason.com
affiliate.airmason.com
books-lb4.airmason.com
airmason.com
books-lb8.airmason.com
books-lb6.airmason.com
books-lb8.airmason.com
books-lb9.airmason.com
support.airmason.com
books-lb8.airmason.com
airmason.com
books-lb2.airmason.com
books-lb2.airmason.com
affiliate.airmason.com
books-lb4.airmason.com
books-lb4.airmason.com
books-lb.airmason.com
books-lb8.airmason.com
app.airmason.com
airmason.com
affiliate.airmason.com
admin.airmason.com
books-lb2.airmason.com
books-lb6.airmason.com
books-lb8.airmason.com
books-lb4.airmason.com
books-lb8.airmason.com
books-lb4.airmason.com
partner.airmason.com
books-lb9.airmason.com
airmason.com
books-lb8.airmason.com
books-lb.airmason.com
airmason.com
books-lb8.airmason.com
affiliate.airmason.com
affiliate.airmason.com
books-lb8.airmason.com
books-lb4.airmason.com
books-lb7.airmason.com
handbook.differential.com
books-lb2.airmason.com
books-lb2.airmason.com
books-lb8.airmason.com
books-lb4.airmason.com
app.airmason.com
books-lb9.airmason.com
books-lb7.airmason.com

Certificate

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

Certificate (PEM)

-----BEGIN CERTIFICATE-----
MIIEZTCCA02gAwIBAgISBOe72WMHHuh17VysTGloH6fhMA0GCSqGSIb3DQEBCwUA
MDIxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQswCQYDVQQD
EwJSMzAeFw0yMjA5MDQwNDMwMTVaFw0yMjEyMDMwNDMwMTRaMBcxFTATBgNVBAMT
DGFpcm1hc29uLmNvbTBZMBMGByqGSM49AgEGCCqGSM49AwEHA0IABKo/Wwy7dcIf
EvJduiB2Y0/lOx1K2JXArUDsfFMxsuZ3AhpAvfMZl1LKqWvrO/4kvCLOKRPTZHLJ
c+KialEpDpujggJZMIICVTAOBgNVHQ8BAf8EBAMCB4AwHQYDVR0lBBYwFAYIKwYB
BQUHAwEGCCsGAQUFBwMCMAwGA1UdEwEB/wQCMAAwHQYDVR0OBBYEFDbVcVSz6/lu
7wfy7QQ8at1gDrjfMB8GA1UdIwQYMBaAFBQusxe3WFbLrlAJQOYfr52LFMLGMFUG
CCsGAQUFBwEBBEkwRzAhBggrBgEFBQcwAYYVaHR0cDovL3IzLm8ubGVuY3Iub3Jn
MCIGCCsGAQUFBzAChhZodHRwOi8vcjMuaS5sZW5jci5vcmcvMCkGA1UdEQQiMCCC
DGFpcm1hc29uLmNvbYIQd3d3LmFpcm1hc29uLmNvbTBMBgNVHSAERTBDMAgGBmeB
DAECATA3BgsrBgEEAYLfEwEBATAoMCYGCCsGAQUFBwIBFhpodHRwOi8vY3BzLmxl
dHNlbmNyeXB0Lm9yZzCCAQQGCisGAQQB1nkCBAIEgfUEgfIA8AB2AN+lXqtogk8f
bK3uuF9OPlrqzaISpGpejjsSwCBEXCpzAAABgwb6YdIAAAQDAEcwRQIhAJl4uKZC
b+ROPnBVs8pra9QAqEMl1j/Z1842AnOLDWjOAiAspPoJpeeW/IqvJZAx1pzw/n3R
LctrYNIjTTapyoF+6QB2ACl5vvCeOTkh8FZzn2Old+W+V32cYAr4+U1dJlwlXceE
AAABgwb6YdUAAAQDAEcwRQIhAK6jJtQ6zT7Z6Q19p7aUZrERDx8qPMKo6itFtI1J
PhNRAiArzQrdhs6dAfqSD4nyjDEyJ1BGdqS0/TxQTJejNNZBizANBgkqhkiG9w0B
AQsFAAOCAQEAWL+F8GQfb0tRsKGGxYJ/az8LYfgb7YmmZ1BKNMRzUmv9euHhlXTu
KLN2TqkdzR0hlQJHBgEo/J9s0cB6zKwDBu8tU5mw3zuGtYKOe40/Y3V9o/QAjEU+
IA5MzrinOzHCyZPn9j0nK4EvK05sCfBZidG4KmoTMvKENNBNX7w3H8k+NJDIvYw7
rY/J51sr0goMzRRVnRSycTWv+RrsqpjJFUdN2kbZhLUbA72rDEqRK9xp1klJYCln
eysiuE7TRlwU0bhB0XJH8ySXImhDgG4qTNX81uGWi6Vno1/WC1lkHBDK4SGmgIcl
7AHiZVx5G/GU3Pws0ODXF6eoXV85TZOdrg==
-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEqj9bDLt1wh8S8l26IHZjT+U7HUrY
lcCtQOx8UzGy5ncCGkC98xmXUsqpa+s7/iS8Is4pE9Nkcslz4qJqUSkOmw==
-----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 427304064857930566449458983282388670326753
 . . . . . . . . [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 2022-09-04 04:30:15 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2022-12-03 04:30:14 +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 'airmason.com'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.10045.2.1 (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)
				0004aa3f5b0cbb75c21f12f25dba2076634fe53b1d4ad895c0ad40ec7c5331b2e677021a40bdf3199752caa96beb3bfe24bc22ce2913d36472c973e2a26a51290e9b
 . . . . . . . . [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)
							36d57154b3ebf96eef07f2ed043c6add600eb8df
 . . . . . . . . . . . . . . . . [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 (34 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'airmason.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.airmason.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 (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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f0007600dfa55eab68824f1f6cadeeb85f4e3e5aeacda212a46a5e8e3b12c020445c2a730000018306fa61d200000403004730450221009978b8a6426fe44e3e7055b3ca6b6bd400a84325d63fd9d7ce3602738b0d68ce02202ca4fa09a5e796fc8aaf259031d69cf0fe7dd12dcb6b60d2234d36a9ca817ee90076002979bef09e393921f056739f63a577e5be577d9c600af8f94d5d265c255dc7840000018306fa61d50000040300473045022100aea326d43acd3ed9e90d7da7b69466b1110f1f2a3cc2a8ea2b45b48d493e135102202bcd0add86ce9d01fa920f89f28c313227504676a4b4fd3c504c97a334d6418b
 . . . . [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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