admin.airmason.com

Issued by R3

About this certificate

This digital certificate with serial number 04:31:c4:b4:23:b7:18:68:63:73:bb:dd:50:3f:1e:2d:3f:34 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=admin.airmason.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:31:c4:b4:23:b7:18:68:63:73:bb:dd:50:3f:1e:2d:3f:34
Serial Number (int): 365384443731165994782352220705155839770420
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 10:98:f5:89:cb:74:96:6d:d4:5e:50:2e:a9:aa:34:70:80:fb:29:6e
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 25:94:c6:5d:a0:39:d2:b0:34:14:01:1c:40:ca:05:17:96:f8:72:66
Fingerprint (sha256): 74:8b:5e:c2:a7:f2:44:dd:01:4a:3b:04:5d:d9:a4:f1:79:ac:93:c5:06:2c:b9:4b:95:2d:e0:0a:93:5a:e3:93

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

Revocation information

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

Check the revocation status for certificate admin.airmason.com

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for admin.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

admin.airmason.com
www.admin.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 admin.airmason.com in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----
MIIEPjCCAyagAwIBAgISBDHEtCO3GGhjc7vdUD8eLT80MA0GCSqGSIb3DQEBCwUA
MDIxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQswCQYDVQQD
EwJSMzAeFw0yMzExMTcxMjMwMTFaFw0yNDAyMTUxMjMwMTBaMB0xGzAZBgNVBAMT
EmFkbWluLmFpcm1hc29uLmNvbTBZMBMGByqGSM49AgEGCCqGSM49AwEHA0IABIcj
SmSSy8BOLHrLKNf7HK2SNY48dduy3ks2WH3DWj+/oJuZCk9toGlb4p3akSBGyZCs
gIwDikzD1C7SG+ThmsujggIsMIICKDAOBgNVHQ8BAf8EBAMCB4AwHQYDVR0lBBYw
FAYIKwYBBQUHAwEGCCsGAQUFBwMCMAwGA1UdEwEB/wQCMAAwHQYDVR0OBBYEFBCY
9YnLdJZt1F5QLqmqNHCA+yluMB8GA1UdIwQYMBaAFBQusxe3WFbLrlAJQOYfr52L
FMLGMFUGCCsGAQUFBwEBBEkwRzAhBggrBgEFBQcwAYYVaHR0cDovL3IzLm8ubGVu
Y3Iub3JnMCIGCCsGAQUFBzAChhZodHRwOi8vcjMuaS5sZW5jci5vcmcvMDUGA1Ud
EQQuMCyCEmFkbWluLmFpcm1hc29uLmNvbYIWd3d3LmFkbWluLmFpcm1hc29uLmNv
bTATBgNVHSAEDDAKMAgGBmeBDAECATCCAQQGCisGAQQB1nkCBAIEgfUEgfIA8AB2
ADtTd3U+LbmAToswWwb+QDtn2E/D9Me9AA0tcm/h+tQXAAABi915i4AAAAQDAEcw
RQIgTzlGUpfaM+C7MUJflFcqS7qFvxKInU5ocTz7FEGtLXsCIQCWTVpot/Ss/fVN
T3vyzorM0lUsvX5G/DFcYIroOZ2raQB2AEiw42vapkc0D+VqAvqdMOscUgHLVt0s
gdm7v6s52IRzAAABi915i4UAAAQDAEcwRQIhALF9PX732WcjuCtX1dIvf8ONzUy3
1Ox7s1BR4W/tnOwGAiBEd0qtJg2sbzKGEG+O3XxzsKS8qp9KDC3rgpQq2c07nDAN
BgkqhkiG9w0BAQsFAAOCAQEAcRvRZ/Pr3i7wxHrP/3OcQcSTM3OuRVPsI0G7vV0g
/iCkswfXHodBmTIUeFo89YWiT7cd0FdOsi+hsQ8+2zgdYn3rB+m2lcaRK9PoebSG
exnhmmt0GLvxFOD7UEY5sGqqWTGS/cY7JxoGLzXAnGvf4wY+I+9fiwZBHGnATlyE
0jNd7g34mnkPObTXeKDJSc2qN1F3miAk3pBybOvjPlPSVVZdLMicVIEY7OWg4SnS
vb6ogKH1vmQeam4s5zLKyMcpyF6uj6nld+6aelcqPNGrunYA2izPbrGJ2/X+G6/k
rsxzmHYG/3J2a1WgwB/RxVPoegtr4rUat9hAFUDEk6+9EA==
-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEhyNKZJLLwE4sesso1/scrZI1jjx1
27LeSzZYfcNaP7+gm5kKT22gaVvindqRIEbJkKyAjAOKTMPULtIb5OGayw==
-----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 365384443731165994782352220705155839770420
 . . . . . . . . [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 2023-11-17 12:30:11 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-02-15 12:30:10 +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 'admin.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)
				000487234a6492cbc04e2c7acb28d7fb1cad92358e3c75dbb2de4b36587dc35a3fbfa09b990a4f6da0695be29dda912046c990ac808c038a4cc3d42ed21be4e19acb
 . . . . . . . . [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)
							1098f589cb74966dd45e502ea9aa347080fb296e
 . . . . . . . . . . . . . . . . [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 (46 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'admin.airmason.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.admin.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 (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)
							00f00076003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018bdd798b80000004030047304502204f39465297da33e0bb31425f94572a4bba85bf12889d4e68713cfb1441ad2d7b022100964d5a68b7f4acfdf54d4f7bf2ce8accd2552cbd7e46fc315c608ae8399dab6900760048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018bdd798b850000040300473045022100b17d3d7ef7d96723b82b57d5d22f7fc38dcd4cb7d4ec7bb35051e16fed9cec06022044774aad260dac6f3286106f8edd7c73b0a4bcaa9f4a0c2deb82942ad9cd3b9c
 . . . . [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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