lona.boston

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:1b:ef:33:d1:cd:4a:57:ab:29:d9:7e:64:be:2a:c1:84:b8 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:
  • Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)

Certificate Subject

CN=lona.boston

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:1b:ef:33:d1:cd:4a:57:ab:29:d9:7e:64:be:2a:c1:84:b8
Serial Number (int): 270842436255566846977408928822704025470136
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 0b:89:2e:a9:46:b2:f9:b7:8a:c6:f2:11:69:7e:5d:fc:5c:45:ee:57
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): d6:d5:0f:bf:51:23:28:de:41:f5:cb:c1:1e:02:48:57:5b:33:7c:c5
Fingerprint (sha256): 0a:a4:7c:51:d8:5e:0f:bd:ab:ae:be:01:b1:ba:df:79:ec:61:66:9a:a0:c4:40:4a:e1:ee:5c:54:d2:9b:6c:f3

Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/

Revocation information

OCSP Server: http://ocsp.int-x3.letsencrypt.org

Check the revocation status for certificate lona.boston

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for lona.boston

Public Key Algorithm

RSA

Key Size

4096

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

lona.boston

Other certificates including the domain name lona.boston

(limited to 100 certificates)
lona.boston
www.lona.boston
www.lona.boston
www.lona.boston
lona.boston
lona.boston
lona.boston
lona.boston
www.jeanna.boston
www.jena.boston
lona.boston
www.lona.boston
www.lona.boston
lona.boston

Certificate

The complete raw certificate details for lona.boston in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----
MIIGTTCCBTWgAwIBAgISAxvvM9HNSlerKdl+ZL4qwYS4MA0GCSqGSIb3DQEBCwUA
MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD
ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTA0MjQwMzQ0NThaFw0x
OTA3MjMwMzQ0NThaMBYxFDASBgNVBAMTC2xvbmEuYm9zdG9uMIICIjANBgkqhkiG
9w0BAQEFAAOCAg8AMIICCgKCAgEA0XqCMvzPUr7nQw5NfKoEqSLSfOiFDf9JpLVw
QIkUGUJ4AorXh5icZHXBqeLDlwGcoDCI24p8wxDprWtKc5EB9gMpSqo5XF8pmhbY
VtWu8Urv0SV6k4t7g+s2eBsZqKiv0183UAgVkFSOecWoikgRKyr/F8sFqGzUK7vO
glaZexAGq2pE0Mfe3qVz4MhIPbc7G4+3r7B1r7X6n+wpONJ0zEOIy058zlWLVv+S
G+RmwkYCbkCTYnuaxLx0nz58yOF/nVdcEBJVdc8+fe/BZVHriLUz76POweebSdKs
LoTc2yfU3KhYyAiNSN01vtkph8ugL9+sMmoHXwJ8dqEkaaPwAwPY7+hVoOVsvgug
EQ9c55MSyjVLb2nOXFlRntr15STze3brPR91yvmj2jUm45Ba3w9y6M+N/d8Jqb5w
KAPdlbf3qFlLlYZKup+BYSpD7lfXti1RqtZeh7UWfOUVuhU11fG/xTDXIz08KsRI
1CGPfADzm/depz42z4uoy2zmfWmFnNUzc3okTGZOFC1k4wx4JAL9Op2WX2qWXYks
F+d1J30GYoZIlN62D5TvAUIfAWciGLN7brUgGWfrR13yHZ8mdcGkL0ej6XB44EZS
9rJqrG4fUFT3HR9n/urYIBcoNYUD5tjkmxlworLsc7cE/YU4MtnVWqejhJNyHUir
FxCSqJECAwEAAaOCAl8wggJbMA4GA1UdDwEB/wQEAwIFoDAdBgNVHSUEFjAUBggr
BgEFBQcDAQYIKwYBBQUHAwIwDAYDVR0TAQH/BAIwADAdBgNVHQ4EFgQUC4kuqUay
+beKxvIRaX5d/FxF7lcwHwYDVR0jBBgwFoAUqEpqYwR93brm0Tm3pkVl7/Oo7KEw
bwYIKwYBBQUHAQEEYzBhMC4GCCsGAQUFBzABhiJodHRwOi8vb2NzcC5pbnQteDMu
bGV0c2VuY3J5cHQub3JnMC8GCCsGAQUFBzAChiNodHRwOi8vY2VydC5pbnQteDMu
bGV0c2VuY3J5cHQub3JnLzAWBgNVHREEDzANggtsb25hLmJvc3RvbjBMBgNVHSAE
RTBDMAgGBmeBDAECATA3BgsrBgEEAYLfEwEBATAoMCYGCCsGAQUFBwIBFhpodHRw
Oi8vY3BzLmxldHNlbmNyeXB0Lm9yZzCCAQMGCisGAQQB1nkCBAIEgfQEgfEA7wB2
ACk8UZZUyDlluqpQ/FgH1Ldvv1h6KXLcpMMM9OVFR/R4AAABak2pQQwAAAQDAEcw
RQIgHOncvdGEPjRzXHX5Dg23f1QToPMvnnKxk5Av4BHo6mMCIQDc0s+XXFhXF3VY
HQT0AM1hQApOikpSb8K6XYWgXCd0hAB1AOJpS64m6OlACeiGG7Y7g9Q+5/50iPuk
jyiTAZ3d8dv+AAABak2pQvcAAAQDAEYwRAIgduJ1JN89UVbRpVMRkv8VMZRJzQxa
Xk8Q5BwAqF6+gdcCIEWrXGZdKmCzIgeBRhgM3bu5anbPsGSpgwOoM2piMZCkMA0G
CSqGSIb3DQEBCwUAA4IBAQA4wVNwL0GuMMHw6Ulzx2rA1vrnjQIj5ZH+9OoQGwwu
oZW0BJCtNh++NedHAfsob9+6dF5KM7WOYgu5xfDSJITRrPAgJ8a/eIIHLUF55RmY
8Ndty4jkk8HOm7wutLFSocPRLVqML5FSQ2VSAEWFh/cv8C1yGzMO5M1L+dwHxDq8
PqLXsUdWYxdqrQav3OCnDNYgK5kausD9GJmO0Y7UJsPco3HAmaeqXQ+Fsmg5zj6v
Hq7OTY3TdRb2igs8Z26ncItgApgylp/5CusWherrkSEU92ByQO2rrMIeLUm7o1fi
UuCoUmXDKbpZSRD2canbhOOexdYAUP9b614R9fOO8ECs
-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----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-----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 270842436255566846977408928822704025470136
 . . . . . . . . [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 'Let's Encrypt Authority X3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-04-24 03:44:58 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-07-23 03:44:58 +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 'lona.boston'
 . . . . . . . . [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 (4208 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 854597920546471600459418898034774671105173143969246540932387312505161683657447946809457415187553260878413025821795981566262879103781096558297867951053262640519828919521122580174778896926496320753967617222127504463335227248930185302019677625429297454751158152362492089336039398120385259231082913038358137842457579488837968961973770988467963463475498199074226026931993619590162040970645781006231721266595763175828897762775300939014476489825011621184332412249857375307563659672384655149994033345388337502492732514221003988261892604774310758444147802538576719102624726282267171050531207705211175571333175304599235218854214595479663280937537859625513814517265840277220742017429234255133534727301863552219733187560716495383025531092585886963125390379824073575164342048413349817849722126927018724900384079795317974945566772123719792871426919888386191757969764168549232139413868113837423705472438700710072252450598436276850687176260094948639394351087945111777834314881986496031463208201895857232758791637953775022873133778524848575016406098191936530403849809812052393846195252347656616014287676126905404540860598652424942855382708393612609622233089597057972528128611547750484854789138092203346388354884773147474927572614126323738891127007377
 . . . . . . . . . . . . . . . . . . . . [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)
							0b892ea946b2f9b78ac6f211697e5dfc5c45ee57
 . . . . . . . . . . . . . . . . [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 a84a6a63047dddbae6d139b7a64565eff3a8eca1
 . . . . . . . . . . . . . . . . [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 (99 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://ocsp.int-x3.letsencrypt.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://cert.int-x3.letsencrypt.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 (15 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'lona.boston'
 . . . . . . . . . . . . . . . . [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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef007600293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016a4da9410c000004030047304502201ce9dcbdd1843e34735c75f90e0db77f5413a0f32f9e72b193902fe011e8ea63022100dcd2cf975c58571775581d04f400cd61400a4e8a4a526fc2ba5d85a05c277484007500e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f2893019dddf1dbfe0000016a4da942f70000040300463044022076e27524df3d5156d1a5531192ff15319449cd0c5a5e4f10e41c00a85ebe81d7022045ab5c665d2a60b322078146180cddbbb96a76cfb064a98303a8336a623190a4
 . . . . [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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