blog.z-band.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:bc:57:f5:3e:78:aa:78:60:c9:53:14:ab:45:24:44:87:61 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=blog.z-band.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:bc:57:f5:3e:78:aa:78:60:c9:53:14:ab:45:24:44:87:61
Serial Number (int): 325426858991850332692641979616174182532961
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: d8:74:91:25:f1:59:94:4a:a9:6f:5c:45:20:87:7c:88:d8:bc:ee:08
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): c7:ed:40:41:cb:6d:00:3e:0d:4e:2a:00:a0:ff:71:5b:41:58:23:0d
Fingerprint (sha256): 78:82:08:a5:b9:62:c6:04:9a:7b:03:6c:42:17:2d:20:b6:b0:fd:b5:f7:f6:57:21:81:d5:f5:6b:29:a2:38:d7

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 blog.z-band.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for blog.z-band.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

blog.z-band.com

Other certificates including the domain name z-band.com

(limited to 100 certificates)

Certificate

The complete raw certificate details for blog.z-band.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 325426858991850332692641979616174182532961
 . . . . . . . . [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 2018-11-19 01:04:04 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-02-17 01:04:04 +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 'blog.z-band.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 743619588408628458251087369457008430406485221165785334485302895832240591868364552545074033343852068634108710516134370448115164212043863050454509665551758091527324558036755026536179276541027458998586896809867396211811195145898267028497698507509584816804416281565247126912392052618465911360845456371012961457470248507965392531686679829501050497668861640900450012186241032132200855565434302547991544705460029561460739862045912165800546274697142873217700467336041992014672717771526499791647296635047544193895546757000549434699911062000209470606548245572289993054937431482812748651364534501646524132914614500801771125284443570101555783912688568855900589148815454660200634804634530535730255335347166095145842147967262368475055783724776771762280997112049254006804110610854179295793830611066689626815132775972313403616903891649796279044646928941619512378020211377519832103016303688719248862596112506741358590711346880577182818692955944787869898494059366626593514755171181225438219292546274460706440627783220710219673249262771594825689019671883148455650170825842510970754523191922272920582829279371065047775284652623272381094446121456823440291851373042821285455405532681200262845028275222293329019644800910215923337505028144621818037834910017
 . . . . . . . . . . . . . . . . . . . . [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)
							d8749125f159944aa96f5c4520877c88d8bcee08
 . . . . . . . . . . . . . . . . [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 (19 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'blog.z-band.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)
							00ef007600e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f2893019dddf1dbfe0000016729b5e0b9000004030047304502207e1855baecc65cc6ca68f1ae9c22c70aaa4fb211ca495fa3f04eb418d23fd86c022100945693eb2e3a36df50cfaed4878bb720adeaec8b02ceb17cf0f7a90f2294eb4400750063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d0000016729b5e104000004030046304402201e5cf8ad29c4c94507fa235e0aeeaaad0cd8ae4b19f64557fd9c8c0217384d6702206bea184381f5ca13933f738cbf73e19f507b02e19855d709acab87fae087e059
 . . . . [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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