airmason.com

Issued by R3

About this certificate

This digital certificate with serial number 03:b2:55:1c:dd:3c:a1:1a:d9:40:31:9b:96:34:d0:ce:79:c0 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): 03:b2:55:1c:dd:3c:a1:1a:d9:40:31:9b:96:34:d0:ce:79:c0
Serial Number (int): 322020253358377614963188064588165435783616
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 68:00:5d:ca:fc:4d:de:6c:a8:c5:65:c3:80:a9:fe:50:a8:7b:14:b2
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 6f:18:2b:c1:61:e4:0b:cb:c2:04:56:7b:b1:85:f3:a3:cb:24:9a:b8
Fingerprint (sha256): 47:32:23:71:ad:de:79:a8:7c:6d:2b:81:0c:6a:5f:88:35:30:65:18:b7:83:1d:2a:f7:48:a5:9b:88:6d:48:08

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-----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-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEcH6PTyjAaCwSIhwnwDF7cKWU3C/x
awBennFUlJtJalEzu6MZ5Fu3b3gk/uyRNbF/I6Fx7C+bpt3WahHff7gsWA==
-----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 322020253358377614963188064588165435783616
 . . . . . . . . [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 2023-03-03 02:00:34 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-06-01 02:00:33 +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)
				0004707e8f4f28c0682c12221c27c0317b70a594dc2ff16b005e9e7154949b496a5133bba319e45bb76f7824feec9135b17f23a171ec2f9ba6ddd66a11df7fb82c58
 . . . . . . . . [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)
							68005dcafc4dde6ca8c565c380a9fe50a87b14b2
 . . . . . . . . . . . . . . . . [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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f10076007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb5200000186a56a058d000004030047304502201a66c65c6adcb170266c148303ff181ca67318f6c5195bb5270848bea2585d33022100d8f133af35fd731c77578ce155054ce6e804fd75d074a5478461c569c901cc02007700adf7befa7cff10c88b9d3d9c1e3e186ab467295dcfb10c24ca858634ebdc828a00000186a56a05a40000040300483046022100d6daf442d2375082b79f02c443b8440761ccb793a7cd5216a0d8a2be4c4d49b30221008c0b86c2b9ad9cd57f9730856673a59cea5e422b1536be625bc802f0419b4e75
 . . . . [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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