masterag.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:ef:2b:84:cd:47:2a:15:84:e8:ef:2f:ea:fb:bc:2f:0e:88 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=masterag.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:ef:2b:84:cd:47:2a:15:84:e8:ef:2f:ea:fb:bc:2f:0e:88
Serial Number (int): 342722189839921303360009228307885013798536
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: b1:f2:03:93:11:28:63:8a:23:8b:cc:58:e0:89:e7:aa:a3:e2:75:e3
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 04:4f:51:04:cb:b1:27:4c:95:11:67:2c:4d:5e:6b:46:4d:66:4c:0b
Fingerprint (sha256): fe:27:1c:17:e7:d7:a8:eb:83:04:7e:29:d2:22:41:a7:51:a2:1f:1e:72:02:70:50:f1:8f:75:00:ea:2d:dd:79

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 masterag.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for masterag.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

masterag.com

Other certificates including the domain name masterag.com

(limited to 100 certificates)

Certificate

The complete raw certificate details for masterag.com in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----
MIIGTzCCBTegAwIBAgISA+8rhM1HKhWE6O8v6vu8Lw6IMA0GCSqGSIb3DQEBCwUA
MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD
ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTEwMTIwMDM1MjdaFw0y
MDAxMTAwMDM1MjdaMBcxFTATBgNVBAMTDG1hc3RlcmFnLmNvbTCCAiIwDQYJKoZI
hvcNAQEBBQADggIPADCCAgoCggIBANH0Y9Z1pMiiZnSUwjF6lCaH/++BGEuiFBn+
21UBRmuPC4R0Zgd0cD598BrZ9vXBuhs3tTxYnXpC4LIno9JlPb1u7BuRDWGKtewk
L18O3S8Jox6Of9fctyZqtVPhztIs8H9zcGBVKwyrcc2szNRa5vbQtxiQMv4THerx
epLbOeyel1S75bTcanTNruVbB6YD/8vBN/yS8efibuSG+TOoOyzQYZ4WuIahWWDb
70vuUaPUXGOK5Zlz2RgMkY0rvz5wKkNKfqypmNhp2mIfiZxnylZfJj5m0yhQdknM
8ZGMAA91Y2kAB2ecF7qq8ch3P9UnStJXaaR0x+3z5a/bpwVEjHY6Rkp0XQi7xLw4
PLaXPW7+q0bnAUmLAav8bO1gRs/qoOQOpDC1DSt7wZztcJ8368SKTDxIIq1B/49M
F0KNuhK/HiLuK6TKenCnqAjZEsGOikTZB7PMx/Drjsy5ikhw59DHHbItH9dPg/Nq
cBRraXnFHEwEwwZVaCMix4jpARpcR+2Qb8sHdj5rZozuMZqgH3YoD+95b7QNsM/j
MkGzEhd5anZsQFbVgxNbKXezt6iwEXpKA41qYpmz4ToXRKECno6YTPK4jbnq97k0
eA1pgM23prRHyEhdNnktcYgm3Y+BdExzpHSGXtcrtknojHhIwGapmD1RlqsYl3i3
TSU6BBjbAgMBAAGjggJgMIICXDAOBgNVHQ8BAf8EBAMCBaAwHQYDVR0lBBYwFAYI
KwYBBQUHAwEGCCsGAQUFBwMCMAwGA1UdEwEB/wQCMAAwHQYDVR0OBBYEFLHyA5MR
KGOKI4vMWOCJ56qj4nXjMB8GA1UdIwQYMBaAFKhKamMEfd265tE5t6ZFZe/zqOyh
MG8GCCsGAQUFBwEBBGMwYTAuBggrBgEFBQcwAYYiaHR0cDovL29jc3AuaW50LXgz
LmxldHNlbmNyeXB0Lm9yZzAvBggrBgEFBQcwAoYjaHR0cDovL2NlcnQuaW50LXgz
LmxldHNlbmNyeXB0Lm9yZy8wFwYDVR0RBBAwDoIMbWFzdGVyYWcuY29tMEwGA1Ud
IARFMEMwCAYGZ4EMAQIBMDcGCysGAQQBgt8TAQEBMCgwJgYIKwYBBQUHAgEWGmh0
dHA6Ly9jcHMubGV0c2VuY3J5cHQub3JnMIIBAwYKKwYBBAHWeQIEAgSB9ASB8QDv
AHUAsh4FzIuizYogTodm+Su5iiUgZ2va+nDnsklTLe+LkF4AAAFtvZswhwAABAMA
RjBEAiBNvnYdC3W65Sfb/d/mZ/HA1daQgizRnWQFyFNaP8eRlAIgSH/wYZZqkvrJ
Gk3lATC8iJd4NeQoiOkKQVe6VS9uHIYAdgBvU3asMfAxGdiZAKRRFf93FRwR2QLB
ACkGjbIImjfZEwAAAW29mzHWAAAEAwBHMEUCIGuy/EeotcnoR0ihD82q7sbAd2ll
KcHJhdlXZDVvP4DDAiEAggYhx1iw1rxqXCszAUa8yp+k3CIPZd2r8k/UYMnBWCEw
DQYJKoZIhvcNAQELBQADggEBAJEeQJeBqfMNgcViaZBDB5w9TWjjO4GmVJ8mZNUi
DdcwBwJoEH3dGiuwAXrlWBLAlxlAqza+FiYSc/4zk6Rc9idGbB9RP72122QLjT2V
Dt4J3BEpgcxpTEdngU8wGVRwi5Ffk80IVxPYx/ufdHcEl5AlCKBcISoIGWetELSV
lSULc4d0/O4nfnQPalZ8TB3xPU2+JwLUC9bwCKaMssZFxhH4MvcDsiJiBeuU7lHL
pv5hjIiLJx/WzZd3M4oeBQRfTMA14flqk89Fo8wrPA7p3pSRIuR+bo4sCMSpXJ67
h3O/ePjij17A8Xw296e3aoRUCKM3qln4YOlhTXpgaVvqVOs=
-----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 342722189839921303360009228307885013798536
 . . . . . . . . [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 2019-10-12 00:35:27 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-01-10 00:35:27 +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 'masterag.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 856540235910151487708502557494076986642338708034596741433767038122856425336488408677812079665383771287191068021699190283080780354962605593823402333728087442750104026614601225024865916458801086397831030115260564449456871878697429468038418378989245533232323876275679011369937964197964601762865696636882427493468659984356659870958715866813293435678074236235496349129129131761885739108434080884357141376713825753657918777501557670348038904892810224355274255717543044464683393762794636802790552857338370147449927524580546957807103916675522264335700007634372860913157172016719821955209387036969159398098380003022316275739817989431065878884502105685113592858664928520537518119123567174153577715680888786433825006386000864413106982085912122263566432039206409846614017619517604874549696918175573157890768776428780995474429161006598185691019203398759450907553392255117037469812126738512539259825786636518401393187263774072985541383154334687316693190478561656039895780991571189501075384919612987408492414101339017471395192182420335513802082983880206304962218620593976178750901124365995681680130792724594137086866142297947997302173129217466761785214309750833519633675739426271688793066590427066145080059808083707497929106140844110129991438833883
 . . . . . . . . . . . . . . . . . . . . [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)
							b1f203931128638a238bcc58e089e7aaa3e275e3
 . . . . . . . . . . . . . . . . [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 'masterag.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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef007500b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016dbd9b3087000004030046304402204dbe761d0b75bae527dbfddfe667f1c0d5d690822cd19d6405c8535a3fc791940220487ff061966a92fac91a4de50130bc88977835e42888e90a4157ba552f6e1c860076006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d9130000016dbd9b31d6000004030047304502206bb2fc47a8b5c9e84748a10fcdaaeec6c077696529c1c985d95764356f3f80c3022100820621c758b0d6bc6a5c2b330146bcca9fa4dc220f65ddabf24fd460c9c15821
 . . . . [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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