yolanda.boston

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:86:47:da:2e:22:20:d4:57:1c:b3:39:1e:d8:7c:6a:89:a1 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=yolanda.boston

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:86:47:da:2e:22:20:d4:57:1c:b3:39:1e:d8:7c:6a:89:a1
Serial Number (int): 307030203006797143180788261407317497121185
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: a7:b1:ae:98:69:cf:df:4a:f7:d4:33:9b:be:4b:28:7d:21:6b:8b:b1
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 57:8a:4d:d9:2a:ee:18:58:3e:7e:80:2b:0e:23:ea:4c:2d:59:a6:5b
Fingerprint (sha256): bf:30:9f:b4:16:f0:85:dd:28:2e:d4:40:dd:b5:a6:bc:2a:5b:27:bb:ec:8e:4f:35:42:fc:e0:f7:3a:80:bd:6f

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 yolanda.boston

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for yolanda.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

yolanda.boston

Other certificates including the domain name yolanda.boston

(limited to 100 certificates)
www.alicia.boston
yolanda.boston
yolanda.boston
yolanda.boston
yolanda.boston
www.anita.boston
yolanda.boston
yolanda.boston
yolanda.boston

Certificate

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

Certificate (PEM)

-----BEGIN CERTIFICATE-----
MIIGVDCCBTygAwIBAgISA4ZH2i4iINRXHLM5Hth8aomhMA0GCSqGSIb3DQEBCwUA
MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD
ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0yMDAxMTQwNjA1MjFaFw0y
MDA0MTMwNjA1MjFaMBkxFzAVBgNVBAMTDnlvbGFuZGEuYm9zdG9uMIICIjANBgkq
hkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAsWcbn9bi/cSc0h5gFliGSe7ApLK72ENH
RX3avLE4j5PIZzjvlL/Dyc7J+Rvuul3r+kv2qXqJQ4Pf97RYZLkBF0UhDcdPokf5
bUBq4zPwRoOpMsjFijoJt4e2H+ibtq/L59YxvfTRNmtoUzu4DVBot75EhIbUgDZn
Gq/VAd6HpeR/5QImtNUVe7aN8oXRvxA6R0w+hHrrJHCT9c428CfBA248clT9yhjI
mn57ac8liJjt46VanFBVxp5L0Fa41yrsntmohpBk/VCckrBfdKDRc54lP4QOLM9L
i6gSbmBuAME+W495UqY0dpYC8bW0JuCVAlHL+2UjqpHrKLzS3m/Hb6Sbhq5rV3UX
Jk2Tb0JTmXzgHNK+R/hIsapvHeBtZ+t8Avu7uMk13Jo7uOXT/Sl/YMVV45yigwdY
AyShsAIUf9+/jsUDXuHNEpOnRH22cmn+Y/0vHbT/cT2QdjUsG/5xHXXbsOv9haPW
5aaGAUkff1xhfauwnGtL2ObJ1Aa39BM0VoflNt+yJ43rBYSNDssWmb0LJfX9HlI1
CSp3qcEo92Cj8jbi5fw7uHiJwcp8+Hc/ZkjZQ5BhzK6koYpMqMegqBjPSYMXgkSt
rRm3wPNaH9md0M6jtnAHpxBH7i4oHYw76IlychytGUgzreLhPCudAEfvZhenEI6a
yktrIf+agLsCAwEAAaOCAmMwggJfMA4GA1UdDwEB/wQEAwIFoDAdBgNVHSUEFjAU
BggrBgEFBQcDAQYIKwYBBQUHAwIwDAYDVR0TAQH/BAIwADAdBgNVHQ4EFgQUp7Gu
mGnP30r31DObvksofSFri7EwHwYDVR0jBBgwFoAUqEpqYwR93brm0Tm3pkVl7/Oo
7KEwbwYIKwYBBQUHAQEEYzBhMC4GCCsGAQUFBzABhiJodHRwOi8vb2NzcC5pbnQt
eDMubGV0c2VuY3J5cHQub3JnMC8GCCsGAQUFBzAChiNodHRwOi8vY2VydC5pbnQt
eDMubGV0c2VuY3J5cHQub3JnLzAZBgNVHREEEjAQgg55b2xhbmRhLmJvc3RvbjBM
BgNVHSAERTBDMAgGBmeBDAECATA3BgsrBgEEAYLfEwEBATAoMCYGCCsGAQUFBwIB
FhpodHRwOi8vY3BzLmxldHNlbmNyeXB0Lm9yZzCCAQQGCisGAQQB1nkCBAIEgfUE
gfIA8AB3ALIeBcyLos2KIE6HZvkruYolIGdr2vpw57JJUy3vi5BeAAABb6LfAj4A
AAQDAEgwRgIhAI6Mm3sGZjUnN7Vj9WNE4TLGubLlsKnfRPwvFdB4UobOAiEA2JgE
wcxdUvIc1l7F23gpstpbwsJYANlUaDCKkZavzQIAdQBvU3asMfAxGdiZAKRRFf93
FRwR2QLBACkGjbIImjfZEwAAAW+i3wKXAAAEAwBGMEQCIDBy0HyaFtHI4CYure/u
MSdvHtgeqMwl0drmAx0wFN5dAiBg8CZFMU0b9h2EOC97XZaO7/N1MXF//JQbmuel
uTC/RzANBgkqhkiG9w0BAQsFAAOCAQEAUyKcxMEk3Y/7VgK51zJHYDtMfz9Q75MH
6WlzMrssACnC/6OM8L65dcAp97bAj1oKSgah0dSIhmQ8AmZ/Zjbp1mZYnMd2eRa6
Vc2pCbMXJ9macHQoF+Nx5zhEiEsnkmVJw0yS8kPJxBtojwNC+8lVj4JRJGAtoTum
U0ddzAWGTyyse6ztigPo+wcROrwD7zS4f670lSP7lZVlqhTtd/BGW7257Ii6mBqn
Mloa3g8tvuMP1h5s/mhs/WKMAxC8HKyVGgH87rCyBCxEnmT0UW/rptcPnYwF86Gi
QqsNhV75FxOkQ0rC6pU0vI9bnmXHN5QVTau+91uoenRll9GVkPqeUg==
-----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 307030203006797143180788261407317497121185
 . . . . . . . . [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 2020-01-14 06:05:21 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-04-13 06:05:21 +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 'yolanda.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 723740138961584147054390064516266225458391528056268250996235365705817878662450587372018471509868374253124404366272155606414025455282537502291446835707032183882219025605297358767640196037166765617264345867389901908952373766833958661243979361573122756619928215681235028645886014494013154380579498531599264261299550807457092798705531468155469848604600484451036851519616521805899862083790190271701699392154152913943616575173734390532471643450106902793887285033563158584734713376490355350243775875298276837025120514376617919237811924560701698973445936892470718576217443107167076187561304391410430121468044604516229667689646855434561014723808671778078649732107344142855795991171534266409861861741096984480186281624411783536386465683404768948160129910686336939158312968882178040052552523854555505056491872244388723264742242624667921480994163842353047141250602465240739546559416812093207020180057283975428872518299916621916859922614575366297239285882296754784653418705863592133103441337241191442902077040750906085385942767426673319933507569643643333947816762279992172825189358192092429184003210916522160525226023883865595693574325683729519653048935154419018281613770133949680792714401600673230100474774307112198629823550561508915552957661371
 . . . . . . . . . . . . . . . . . . . . [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)
							a7b1ae9869cfdf4af7d4339bbe4b287d216b8bb1
 . . . . . . . . . . . . . . . . [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 (18 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'yolanda.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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f0007700b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016fa2df023e00000403004830460221008e8c9b7b0666352737b563f56344e132c6b9b2e5b0a9df44fc2f15d0785286ce022100d89804c1cc5d52f21cd65ec5db7829b2da5bc2c25800d95468308a9196afcd020075006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d9130000016fa2df0297000004030046304402203072d07c9a16d1c8e0262eadefee31276f1ed81ea8cc25d1dae6031d3014de5d022060f02645314d1bf61d84382f7b5d968eeff37531717ffc941b9ae7a5b930bf47
 . . . . [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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