71421.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:69:47:b3:a9:22:cf:a3:58:3a:5e:c5:3a:8a:cc:79:12:2b 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=71421.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:69:47:b3:a9:22:cf:a3:58:3a:5e:c5:3a:8a:cc:79:12:2b
Serial Number (int): 297161814361302926775851604864685672305195
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: fc:06:87:fb:41:77:37:ae:99:30:fe:02:a8:b6:6d:1d:4c:95:b1:75
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): fd:8c:1e:de:2b:b2:73:32:85:13:04:5b:c4:a7:86:17:ca:54:b8:fd
Fingerprint (sha256): 2b:95:2d:f3:0e:bb:5c:a0:31:50:f8:9c:b1:bb:88:fb:e5:22:ad:fc:3b:62:de:2d:eb:64:93:89:de:dd:d1:4e

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 71421.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for 71421.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

71421.com

Other certificates including the domain name 71421.com

(limited to 100 certificates)
71421.com
71421.com
71421.com
71421.com
71421.com
71421.com
www.71421.com
www.71702.com
www.71421.com
www.71760.com
cryptoeconomics.life
besanainbrianza.org
www.71421.com
71421.com
www.71421.com
www.69380.com
aimhigh.life
www.71421.com

Certificate

The complete raw certificate details for 71421.com 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 297161814361302926775851604864685672305195
 . . . . . . . . [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 2019-07-28 07:21:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-10-26 07:21:00 +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 '71421.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 867614261780959150952350717941209386369121518827468475851017412375206044330288326916731880959377748671400731209204862520050923239160434111423682554792146851869545773308999797211130960741670397170319336602515477452258246889575095276669714994115944536759282380157964435195556464290143869015925670869869972265828603346036796719480858484199046052150660508020166456537492279927318386134855021763968518311931586368597918446734499283235494764817381963340014913672810160973061958657805317543176907612450974834297752938197064295584659929326086190931864279030855806016364721881920714891472400280944095185076907267685798659104954634422840319749666380320107773845791785078297443193716275201480311481356144616460208977419748221395125584789106163626029052194823505108524808401648836867205958851836864185429265207429037793176100427695936465096213658362120690924708061774551818316558337742014113169682914640848876451054782819847771458982162627242074978161413585281327551274828500160050822973953746257845488757538497563124074871496180433317349577860227618307495125508809473233796520617476208741471078167048234009201020874229491196454674603458565101327899431658290056268377018908243150924114979240685582054946623626503165147886810584340557649300006071
 . . . . . . . . . . . . . . . . . . . . [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)
							fc0687fb417737ae9930fe02a8b66d1d4c95b175
 . . . . . . . . . . . . . . . . [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 (13 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '71421.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)
							00f0007600747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc560000016c37ab2b1f0000040300473045022100a9d1d52e1ce12ddf51b18bafedee084c4ef506167805b04def63ad75096aaffd022004886907f64237a2f199460a6e5ae2db69273924889e71d0de94841462a4237a007600293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016c37ab2b310000040300473045022100b6045ba3a6be6da179c46d98c7e22af83a1b965896670ede67115ac239e1df2402204255785bed4334a4fab8a4dc7a9e7a080b7124c222fd1a8f045424d13a7a8950
 . . . . [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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