www.mastas.in

Issued by R3

About this certificate

This digital certificate with serial number 04:80:23:fa:b4:c5:c7:d3:9d:60:6b:69:e4:df:01:25:30:7b was issued on by Let's Encrypt.

With 2 subject alternative names this certificate can be used to secure multiple fqdn's. 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:
  • DV certificate contains a subject common name, this is not recommended. If certificate policy 2.23.140.1.2.1 (CA/B BR domain validated) is included, only country and/or common name is allowed in SubjectDN. (BRs: 7.1.2.7.2)
  • Subscriber certificates use of Subject Key Identifier is NOT RECOMMENDED (BRs v2: 7.1.2.7.6)
  • Subscriber Certificate: commonName is NOT RECOMMENDED. (BRs: 7.1.2.7.1)

Certificate Subject

CN=www.mastas.in

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:80:23:fa:b4:c5:c7:d3:9d:60:6b:69:e4:df:01:25:30:7b
Serial Number (int): 392053111413491735688369616015146057281659
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 5f:fa:0b:0d:fa:f8:cb:1b:71:01:b6:13:24:73:8c:8b:19:15:fe:84
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): c5:08:54:fc:b0:3e:9d:26:ca:97:58:42:58:2f:00:09:36:68:9d:d0
Fingerprint (sha256): 39:c6:36:28:57:d5:39:68:06:e1:da:51:bb:04:ac:65:e5:9d:5e:d7:a0:69:1d:b6:29:fd:d7:90:ea:45:cc:aa

Issuing Certificate URL: http://r3.i.lencr.org/

Revocation information

OCSP Server: http://r3.o.lencr.org

Check the revocation status for certificate www.mastas.in

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.mastas.in

Public Key Algorithm

RSA

Key Size

2048

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

mastas.in
www.mastas.in

Other certificates including the domain name mastas.in

(limited to 100 certificates)
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www.mastas.in
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workdrive.mastas.in
jobs.thegiant.group
www.mastas.in
www.mastas.in
myaccount.pigvoice.com
workdrive.mastas.in
mastas.in
mastas.in
mastas.in
workdrive.mastas.in
mastas.in
www.mastas.in
mastas.in
workdrive.mastas.in
documents.envis.sk
workdrive.ganeshtech.org
mastas.in
workdrive.ganeshtech.org
recruit.oprisync.com
mastas.in.cp-30.webhostbox.net
files.flowcraft.cloud
mastas.in
mastas.in
mastas.in
workdrive.mastas.in
mumbai.mastas.in
www.mastas.in
mastas.in
workdrive.mastas.in
drive.hargrave.sh
wd.zohomotor.com
drive.raiiandwhitney.com
mastas.in

Certificate

The complete raw certificate details for www.mastas.in in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAqyLCVgOcgH0/Vctismgb
SniZkvNXfY/zWBkng90SpCfUYFXJZUJzRnCgYJN0KA5G5UdDH8eyaLOmA6DzH2L4
dSxHbWgZz1GbXGG/q+hrc381OqIoVDaPKKgXS9bIibUBB9x8m/8RMKbSfllfIgrE
3QVxLjmzL1ONdZrpHefNEHzrPr8iS/3UvasrEOV75aiYZWL20xdbHP+FEMhR98qm
0agrKp9cFbQCyTllmitLSumNdkaHQDC8hO/7J51D9f7U4t/mM1Za1ckrpqja7LNh
Oq7RTzpnnnyuEs0BM3etTCIg3JOC0uAs5NPmmOBfGmtwTo+ExgR6/QWHwwbdfsqp
GQIDAQAB
-----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 392053111413491735688369616015146057281659
 . . . . . . . . [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 'R3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-01-11 20:23:10 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-04-10 20:23:09 +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 'www.mastas.in'
 . . . . . . . . [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 (2160 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 21603890512549370301253385788385795491167206731644632014777840639212098296017027538874493253188521003101870200673296947855035338886752073040923547012230837610622872302470707538836153070267958808544700231532558111393221159182978096630506873170661031095125157995875435990492851224729348005636840826370578869651434477833089831119827955921101813722058717182201865907623541116064188796034945872933678694543342584441645796488110858015915495651882303045050664501348380330243759382872808241080642163684477889550534439307372453989706556023448341449229290503778754715565614959848610484187852846540839111909875352633894859614489
 . . . . . . . . . . . . . . . . . . . . [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)
							5ffa0b0dfaf8cb1b7101b61324738c8b1915fe84
 . . . . . . . . . . . . . . . . [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 142eb317b75856cbae500940e61faf9d8b14c2c6
 . . . . . . . . . . . . . . . . [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 (73 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://r3.o.lencr.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://r3.i.lencr.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 (28 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'mastas.in'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.mastas.in'
 . . . . . . . . . . . . . . . . [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 (12 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 1.3.6.1.4.1.11129.2.4.2
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f100770048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018cfa6855760000040300483046022100d02df2835a981f090c111dc9f0f1cc3d1218093e643a1cbf71267d332883a2020221008c7ba28fa7520f475fee9e6267d49cd553d41b70d690275facbca02a00e304a400760076ff883f0ab6fb9551c261ccf587ba34b4a4cdbb29dc68420a9fe6674c5a3a740000018cfa6855d7000004030047304502201cf65dba928e3d9b337305e86d199d8660176c92f8077411121b89af7c1e6402022100f3b26f4fcb4af1dc263087ba8e9fc7713af427c59c4d74f204e92e735a41b5c2
 . . . . [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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