nexnano.com
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:98:c4:22:79:d9:ce:b6:f5:1f:44:1a:1a:ee:2a:47:52:4f 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=nexnano.com
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:98:c4:22:79:d9:ce:b6:f5:1f:44:1a:1a:ee:2a:47:52:4fSerial Number (int): 313320485263958468483059549193702700700239
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 1f:81:79:9d:39:60:fa:51:bf:65:fc:f5:2d:98:b4:8c:a8:b6:ee:df
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 3c:b7:00:b1:88:9c:20:68:4f:48:8e:01:0b:9f:af:e4:9e:a4:6e:49
Fingerprint (sha256): 37:94:58:0a:1e:86:78:22:3e:2c:6f:62:ab:dd:df:6a:54:b9:de:16:35:b3:df:b1:ea:0d:e1:be:37:c1:11:4b
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate nexnano.com
1
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for nexnano.com
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
nexnano.com
Other certificates including the domain name nexnano.com
(limited to 100 certificates)
Certificate
The complete raw certificate details for nexnano.com in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIGTjCCBTagAwIBAgISA5jEInnZzrb1H0QaGu4qR1JPMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTEyMTgwODAyMTdaFw0y MDAzMTcwODAyMTdaMBYxFDASBgNVBAMTC25leG5hbm8uY29tMIICIjANBgkqhkiG 9w0BAQEFAAOCAg8AMIICCgKCAgEAuhJqRitopdCJe3FFoijEYQun+dnyaVBNOOKB owX40Y4UaouD0QJacVyT8wpbpYpjiQEAsLGhgJT+B6daza5ZNi86yqcnPI5/3Bm5 Xv24oylFMMwllGPOOmbagN+PvXnknL5DSYezhNS00Tu/oTI+sEMhLbuaVJJYNMZT WyRY16RT1m+V1KKO4mXWWRO7264CaWvcKQDeluda8Rhh4Rg9OM2s/Kxm3WcezUFl zzEgt6NmiZY+qd/QhR8h2mU6h2oK2GIt8wjBUMGMKVIVywu/Fo+X8JnhzHVfzE7M /qRkXAdSsmrZgUls3EaZkgvYcqwJt1DsAjw66nnwd+YQpRGo/W8NhLoaQWup6guL X4Jjwb9qOHeRKdVtdYKQwWyUiEB9eiamp03qnBknElRGPcYQuhlAswvCJq09mCd/ 26BWLFgkOjRHbz+2eQR+pNK5gOf6Siw0iYVhfyWEbRSE/dlsrP7xyIfOgF+FDmyG u4LefAcBOiO4XEUTgyeMdMcEh3jER5OlBumSb6UOjwBw+jraZV9lRDC6i6YVKDx9 T7v5wegViSy9KB6K7A2ZEFghunn2z0DZOiwFmKtPRwE3FNM3+8XX+i/QDK+V55sI qxhnFjIeZ+sRmyyPCA/Y41yve0JYQuktQSxicd2QCd+x+1+1ZWf7jVrDbOiV2ln5 wAbPua8CAwEAAaOCAmAwggJcMA4GA1UdDwEB/wQEAwIFoDAdBgNVHSUEFjAUBggr BgEFBQcDAQYIKwYBBQUHAwIwDAYDVR0TAQH/BAIwADAdBgNVHQ4EFgQUH4F5nTlg +lG/Zfz1LZi0jKi27t8wHwYDVR0jBBgwFoAUqEpqYwR93brm0Tm3pkVl7/Oo7KEw bwYIKwYBBQUHAQEEYzBhMC4GCCsGAQUFBzABhiJodHRwOi8vb2NzcC5pbnQteDMu bGV0c2VuY3J5cHQub3JnMC8GCCsGAQUFBzAChiNodHRwOi8vY2VydC5pbnQteDMu bGV0c2VuY3J5cHQub3JnLzAWBgNVHREEDzANggtuZXhuYW5vLmNvbTBMBgNVHSAE RTBDMAgGBmeBDAECATA3BgsrBgEEAYLfEwEBATAoMCYGCCsGAQUFBwIBFhpodHRw Oi8vY3BzLmxldHNlbmNyeXB0Lm9yZzCCAQQGCisGAQQB1nkCBAIEgfUEgfIA8AB2 AG9Tdqwx8DEZ2JkApFEV/3cVHBHZAsEAKQaNsgiaN9kTAAABbxg+W0wAAAQDAEcw RQIgMgO7j8+KrQp+fShtFdRHAjuX+IXbRWWF1VSk3RQo+ZcCIQDDsYLL2Oxx7jI/ jXryvkp94PFJiXei0IWUlCxrG/YHqQB2AAe3XBvlfWj/8bDGHSMVx7rmV3xXlLdq 7rxhOhpp06IcAAABbxg+W1MAAAQDAEcwRQIhAPNNiVRIYQWr0dysDdTtNmuZ+LEr pseiNDHJ8MojBalUAiBAlTRvPQD9A7uLucSSBLHNPtSR6wZJkHeynxnvRKDsDjAN BgkqhkiG9w0BAQsFAAOCAQEAGXoV9mbUrtVvoKgXfYMp+l3ICeFUXx0ZjkjmgiVL dSYNY96dqGVN32Ccju5CLJyqSy+GyBN2e2y8UW2ZVyWoGz9SJMos7IcVA+769HhA DQNR0NUSX+1D0Gue1NObtQMdRglrn/pLjJ6pHfLx/oBULb7HuoEHpIuBt2fgeWjh OPfPGTFZDugS0G22FliaCdgVuv8ySNTglG97jqZcQQDQuUMZEK3XzPOZ9EJjSRVI eUyT56M6rQZtz+TXL/MUouQUq54xmen/lQod19CuiFjUwaYdMa0t8A/CDkGZiVgR cu3AWYev4kyj88vOEeoN7/ehh9Lo4mwbIaLvh7VWiQ27Iw== -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAuhJqRitopdCJe3FFoijE YQun+dnyaVBNOOKBowX40Y4UaouD0QJacVyT8wpbpYpjiQEAsLGhgJT+B6daza5Z Ni86yqcnPI5/3Bm5Xv24oylFMMwllGPOOmbagN+PvXnknL5DSYezhNS00Tu/oTI+ sEMhLbuaVJJYNMZTWyRY16RT1m+V1KKO4mXWWRO7264CaWvcKQDeluda8Rhh4Rg9 OM2s/Kxm3WcezUFlzzEgt6NmiZY+qd/QhR8h2mU6h2oK2GIt8wjBUMGMKVIVywu/ Fo+X8JnhzHVfzE7M/qRkXAdSsmrZgUls3EaZkgvYcqwJt1DsAjw66nnwd+YQpRGo /W8NhLoaQWup6guLX4Jjwb9qOHeRKdVtdYKQwWyUiEB9eiamp03qnBknElRGPcYQ uhlAswvCJq09mCd/26BWLFgkOjRHbz+2eQR+pNK5gOf6Siw0iYVhfyWEbRSE/dls rP7xyIfOgF+FDmyGu4LefAcBOiO4XEUTgyeMdMcEh3jER5OlBumSb6UOjwBw+jra ZV9lRDC6i6YVKDx9T7v5wegViSy9KB6K7A2ZEFghunn2z0DZOiwFmKtPRwE3FNM3 +8XX+i/QDK+V55sIqxhnFjIeZ+sRmyyPCA/Y41yve0JYQuktQSxicd2QCd+x+1+1 ZWf7jVrDbOiV2ln5wAbPua8CAwEAAQ== -----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 313320485263958468483059549193702700700239 . . . . . . . . [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 2019-12-18 08:02:17 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-03-17 08:02:17 +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 'nexnano.com' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.1 (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 759107262233508402112501098729824115400425695981920598382752913106471805788730514224551031941251178697434252391717471347819987097556998356240091661120702966809957334775931814596377447049070010957605486910247426927306374737077416035712240092450777714427813377860882792195450890060129991898510180442631526701252379348138071196019369910610348058269519248692404963646599926997457867927249232218819295315571761963520480777411320509841640597185497128726744708939314598416386539910230036546856389702775658035409213752336498337810277674482000400770739500108344150540345337063093259499031811792232637948700867487960011020574004223336862828690842159427124829338481372287990372945230609252206153895920293599349538447270574579607660860129269880629319456314722969062919269733154506714424649902316643251888453147581936880633005004353101091821032106826721946694584215154206291220096259777513720600996585079355478359453153336603975553406473573086149093647275195214221587860335004072626450705725119594111164773627579250161490775843481839497169774438926286046032270788096048181727648788043885631658942540455899727826121728206614487288341683856328502946020577437550667273988739470456146556120278675160933821811775050793362355364487892484079970558130607 . . . . . . . . . . . . . . . . . . . . [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) 1f81799d3960fa51bf65fcf52d98b48ca8b6eedf . . . . . . . . . . . . . . . . [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 'nexnano.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 (245 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes) 00f00076006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d9130000016f183e5b4c000004030047304502203203bb8fcf8aad0a7e7d286d15d447023b97f885db456585d554a4dd1428f997022100c3b182cbd8ec71ee323f8d7af2be4a7de0f1498977a2d08594942c6b1bf607a900760007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c0000016f183e5b530000040300473045022100f34d8954486105abd1dcac0dd4ed366b99f8b12ba6c7a23431c9f0ca2305a95402204095346f3d00fd03bb8bb9c49204b1cd3ed491eb06499077b29f19ef44a0ec0e . . . . [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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