zajac.boston
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:a1:ab:b1:9f:55:67:27:00:3e:5a:8c:0e:6a:9c:67:a9:76 was issued on by Let's Encrypt.
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We have idenified some issues with this certificate:
- Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)
Certificate Subject
CN=zajac.boston
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:a1:ab:b1:9f:55:67:27:00:3e:5a:8c:0e:6a:9c:67:a9:76Serial Number (int): 316350539125044458735828663563332734134646
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: b5:82:de:e6:b2:7f:46:86:ad:52:e0:13:28:28:b7:5f:0e:70:21:25
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): cc:9c:24:25:06:04:f1:f9:9d:c1:05:5d:ac:ea:de:63:e1:02:a9:0f
Fingerprint (sha256): 02:c2:4c:84:d2:d6:bc:aa:14:60:03:33:7a:f4:b7:01:ab:59:57:1d:cd:31:7f:4b:11:df:a1:a1:91:cc:ae:c7
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate zajac.boston
1
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for zajac.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
zajac.boston
Other certificates including the domain name zajac.boston
(limited to 100 certificates)
Certificate
The complete raw certificate details for zajac.boston in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIGTzCCBTegAwIBAgISA6GrsZ9VZycAPlqMDmqcZ6l2MA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTExMDcxMjMzNDBaFw0y MDAyMDUxMjMzNDBaMBcxFTATBgNVBAMTDHphamFjLmJvc3RvbjCCAiIwDQYJKoZI hvcNAQEBBQADggIPADCCAgoCggIBALUzrcOYAcpro7t4z+Zm73jJYikKM3epv2U6 /ZSTwYdhr85/Yd8+1EWC1gIe6eXFQHc0UgczwTTGgNyXMkMJVIXkE0oZG9aJd4+T u+pwOoEkAvkr6pFfvngSrMtFbARa0N288/gpk+Cjbg4SUj0zYDjGZ4f3PjJJ1Lbe DWKkhyC7bgJRbDCj5vinZ3Aq0ONh5vD1IcjzcZeTkIYMNo5Sd40j7rOUKFqpKeVN YJ/w3kRX0PZZSczxUhdEEm+DQUXfrHcaoqJSVNqayhRnNC5FJ0rAr+spGPynwk08 pBmAa5yBuuJQiH1LVitjQQQr+hJrVqupADrPm/9cOE5caYKwh9GumQ3z4YGchMuv 3HNjmoP48sgCCSAo5HynNyE6nykPPcfABAQC+OXY1fVezGR8RjDAe+EElsxgbxXV +EzET3em4g9Y1XpMxfO9Mn9bVzDH7AGUKAXfEozF0Px2c0LaLFT3bBw4cJaVTkfV nsvOXlkcxjkeWDrfFdnBnW2ielTcltzCS/xE6+blhYa0HOQcuKzQj1SCLK9GP+Ya yAEECYmWV25CVVKICyqiWDs0O8HgByqiE7ygqUUVbeaVy+wg6dvfZZAxkm7Kv5Fq IRCXRirJdE6KYYGl9V8xL93QIQtGy+tMwp75kIWv6M82f3Qr21XAnSFdEH34LNoe Lw3779abAgMBAAGjggJgMIICXDAOBgNVHQ8BAf8EBAMCBaAwHQYDVR0lBBYwFAYI KwYBBQUHAwEGCCsGAQUFBwMCMAwGA1UdEwEB/wQCMAAwHQYDVR0OBBYEFLWC3uay f0aGrVLgEygot18OcCElMB8GA1UdIwQYMBaAFKhKamMEfd265tE5t6ZFZe/zqOyh MG8GCCsGAQUFBwEBBGMwYTAuBggrBgEFBQcwAYYiaHR0cDovL29jc3AuaW50LXgz LmxldHNlbmNyeXB0Lm9yZzAvBggrBgEFBQcwAoYjaHR0cDovL2NlcnQuaW50LXgz LmxldHNlbmNyeXB0Lm9yZy8wFwYDVR0RBBAwDoIMemFqYWMuYm9zdG9uMEwGA1Ud IARFMEMwCAYGZ4EMAQIBMDcGCysGAQQBgt8TAQEBMCgwJgYIKwYBBQUHAgEWGmh0 dHA6Ly9jcHMubGV0c2VuY3J5cHQub3JnMIIBAwYKKwYBBAHWeQIEAgSB9ASB8QDv AHUAXqdz+d9WwOe1Nkh90EngMnqRmgyEoRIShBh1loFxRVgAAAFuRhIWnwAABAMA RjBEAiAawPmdcdbUuml8BB4UgNL5mNXBKywxukgpm115NF/LFAIgERuQHKOH8n/a cFzrMZFdaRLpzIjiHsBif1LbGFphq9AAdgCyHgXMi6LNiiBOh2b5K7mKJSBna9r6 cOeySVMt74uQXgAAAW5GEhaTAAAEAwBHMEUCIQD+W1p7xXuaJkpGGGjJWb4SE+Rs VW6sWkXbGl3Ids/ZSAIgIsrgEF6WtQ0G3AhTJ2slpGYlYsBDVbnl+koewo3Zo50w DQYJKoZIhvcNAQELBQADggEBABgFB+j7LSX/LNePMv9nA8JNCTUV6CusLfpVPW3k VHofptCdrsAfcJhvgosxYDBl5RP2Um1Xmu2pBFLcuapMGb3IOEizOnpBAEkFmUfz l+QDUEVcOe5kP8YY5ph9yhv2D+U5Jjoer5vHSn/liU+OSydUn2Hy5Rjg/L/5hK9Q MtAYkNKN2362srAc6CAhom/DqSIdiEogYdE0hXp7Qn1WAhF4sTvax2xvISGBL+fZ Jq3JRggyRW/7Foti74XyCHp5qqrIo3j7lR+B5aEC+I22MOGxbMqSxROuCmprABMs ZO99xV2luQIPdBZ5DczTYaw+aHWr5E4iRoIWFxFnEKRSXEk= -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAtTOtw5gBymuju3jP5mbv eMliKQozd6m/ZTr9lJPBh2Gvzn9h3z7URYLWAh7p5cVAdzRSBzPBNMaA3JcyQwlU heQTShkb1ol3j5O76nA6gSQC+SvqkV++eBKsy0VsBFrQ3bzz+CmT4KNuDhJSPTNg OMZnh/c+MknUtt4NYqSHILtuAlFsMKPm+KdncCrQ42Hm8PUhyPNxl5OQhgw2jlJ3 jSPus5QoWqkp5U1gn/DeRFfQ9llJzPFSF0QSb4NBRd+sdxqiolJU2prKFGc0LkUn SsCv6ykY/KfCTTykGYBrnIG64lCIfUtWK2NBBCv6EmtWq6kAOs+b/1w4TlxpgrCH 0a6ZDfPhgZyEy6/cc2Oag/jyyAIJICjkfKc3ITqfKQ89x8AEBAL45djV9V7MZHxG MMB74QSWzGBvFdX4TMRPd6biD1jVekzF870yf1tXMMfsAZQoBd8SjMXQ/HZzQtos VPdsHDhwlpVOR9Wey85eWRzGOR5YOt8V2cGdbaJ6VNyW3MJL/ETr5uWFhrQc5By4 rNCPVIIsr0Y/5hrIAQQJiZZXbkJVUogLKqJYOzQ7weAHKqITvKCpRRVt5pXL7CDp 299lkDGSbsq/kWohEJdGKsl0TophgaX1XzEv3dAhC0bL60zCnvmQha/ozzZ/dCvb VcCdIV0Qffgs2h4vDfvv1psCAwEAAQ== -----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 316350539125044458735828663563332734134646 . . . . . . . . [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 2019-11-07 12:33:40 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-02-05 12:33:40 +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 'zajac.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 739239134789116718816188537261508637263840981631830905078970366565759618315145084610133463185681524414584728247984393462602883442868803424255682750609804273076148682989257194559756817309675300563745693985027959744827685826374768001016983792074187603323010152910125061690248715530982939622936409492280403277970477965831052083607583579356086585009671504070311719641842736767674241217127571157758750041792157621315982144165340833591032305830349216728380049276520720474691454457646721781386122211899966863946704520702856745062443922771985705482551180144082940359206983487404159786918298683173178855410950131722909574644391144000894252883609766346877785603957219293109317661998100994001830039621602912875673628368840608521430314006422526268358687040016328349325491892789924973453282859400436402366314209282377185334826467633320437359601895568394551877418216210028132323460580165417065896331846903656669447864222787813865860173028990621494602513616333925534529525370294330057670529776638504682009855016130665136148976277147137654633141304644143621467119130167955480977180153287581123213704440189243679048050272828810172648583830508135123665109416113261600380266147465908228208634357521194695200071063940814647987466415827143121740875421339 . . . . . . . . . . . . . . . . . . . . [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) b582dee6b27f4686ad52e0132828b75f0e702125 . . . . . . . . . . . . . . . . [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 (16 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'zajac.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) 00ef0075005ea773f9df56c0e7b536487dd049e0327a919a0c84a1121284187596817145580000016e4612169f000004030046304402201ac0f99d71d6d4ba697c041e1480d2f998d5c12b2c31ba48299b5d79345fcb140220111b901ca387f27fda705ceb31915d6912e9cc88e21ec0627f52db185a61abd0007600b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016e461216930000040300473045022100fe5b5a7bc57b9a264a461868c959be1213e46c556eac5a45db1a5dc876cfd948022022cae0105e96b50d06dc0853276b25a4662562c04355b9e5fa4a1ec28dd9a39d . . . . [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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