safar.tech

Issued by R3

About this certificate

This digital certificate with serial number 03:6c:2b:59:d2:de:18:dc:d6:48:0a:9a:fe:4d:b2:57:0b:ce 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:
  • Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)

Certificate Subject

CN=safar.tech

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:6c:2b:59:d2:de:18:dc:d6:48:0a:9a:fe:4d:b2:57:0b:ce
Serial Number (int): 298144976617883618436958815612859279936462
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 1d:26:58:ed:e0:da:e8:ff:ff:9e:a0:ec:ab:f1:b5:a6:6e:7b:98:51
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 29:5a:f2:6f:c7:34:73:1d:9b:16:63:9f:24:10:ae:d9:aa:c1:d9:55
Fingerprint (sha256): 3e:6b:03:8c:7e:98:f8:70:3b:0b:b9:5e:c4:28:77:15:df:21:5b:70:df:9c:0a:74:ef:b0:c8:bb:6e:55:ac:5e

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

Revocation information

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

Check the revocation status for certificate safar.tech

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for safar.tech

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

safar.tech
www.safar.tech

Other certificates including the domain name safar.tech

(limited to 100 certificates)
safar.tech
www.safar.tech
safar.tech
safar.tech
safar.tech
safar.tech
safar.tech
safar.tech
safar.tech
safar.tech
safar.tech
safar.tech
safar.tech
safar.tech

Certificate

The complete raw certificate details for safar.tech in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----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-----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 298144976617883618436958815612859279936462
 . . . . . . . . [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 2023-07-22 16:08:32 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-10-20 16:08:31 +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 'safar.tech'
 . . . . . . . . [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 705878939974392882924404170179709339129682747560301096242630393630570182429920299712430344465353850759227766339528623045955655672373795938431310836759295800726072000014130819056975413310919034586065902787323909644960255365865144728518332798811375765696747771451410335641750547665375990660273152457894298277576396656319203640591684812897477195306352866967422867901775254856913862581381709247021108178495510554380271789539742318123397189767717499821255424415997089491186612778716234513254226635198908502771720734707247987071487723703663943543416616585214417598100952954868811273765360948721556703418206468187816351965032875964934057154596623607561864822640224633818646699674190961744849932082370174995215786020719659783568292665877323986251498058947881603104486315798159758056279951541490894568933029925853309678954004110524690256655403554574354027323429708236034683968357881077291401621764738638644196070997556206333861032718395661658601969764142388195352578013233224906701649233218639164849881834300323263539581348719046591333807673817850177779885261884961300495397777980682264412499297105583226701180247984061282203619960742008135940337776797287931266416277530716985202786446356923853099999909467447129707753992710961011789607195799
 . . . . . . . . . . . . . . . . . . . . [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)
							1d2658ede0dae8ffff9ea0ecabf1b5a66e7b9851
 . . . . . . . . . . . . . . . . [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 (30 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'safar.tech'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.safar.tech'
 . . . . . . . . . . . . . . . . [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)
							00f10076007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb52000001897e9306ee0000040300473045022062eafdba697b93c9aa5eebf3ca1a98e1b126f3873c16d8bc9d641af31159325e022100abe8db440e432297aa7e6e462ef9c13f77f0351c0b49f475f61072700db46970007700adf7befa7cff10c88b9d3d9c1e3e186ab467295dcfb10c24ca858634ebdc828a000001897e93070f0000040300483046022100dc5bd4cabe52d16c60c2d94e38714bab50a4776b3dd0070ebba0041972b0f2da022100ba5c24b1cb55927fbb4cd2d64628811250cd086550d5bdc0162312dcb1a95b9b
 . . . . [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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