pharmlines.iadb.nl

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:fb:a6:d6:0f:ff:68:73:1c:e4:50:eb:8b:8b:0d:d7:e6:f6 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=pharmlines.iadb.nl

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:fb:a6:d6:0f:ff:68:73:1c:e4:50:eb:8b:8b:0d:d7:e6:f6
Serial Number (int): 346969495215735967857034350562985496798966
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: c1:c7:37:e9:1e:cb:aa:82:ea:39:a5:f2:77:42:71:f3:b8:60:1c:9e
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): ff:9f:26:16:96:79:c2:43:22:22:02:b0:f9:d0:40:a4:33:34:d1:dc
Fingerprint (sha256): ad:52:1f:cb:ad:45:65:b5:02:f7:3b:b4:90:6c:cd:6d:37:d1:ab:dc:1c:b9:dc:00:e7:9d:17:e4:1a:9f:3d:88

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 pharmlines.iadb.nl

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for pharmlines.iadb.nl

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

pharmlines.iadb.nl

Other certificates including the domain name iadb.nl

(limited to 100 certificates)

Certificate

The complete raw certificate details for pharmlines.iadb.nl 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 346969495215735967857034350562985496798966
 . . . . . . . . [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 2020-02-21 14:20:09 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-05-21 14:20:09 +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 'pharmlines.iadb.nl'
 . . . . . . . . [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 584260099006328982425636351537540123611523947352930934906224741396525308757510706559836594069330076247181635240316294064628945428099207672811283536646445712898174827430388702985198232511688456972214321874491654506868529920004810664144031470148334024777175315227385181995218988353157022670049563210119742015532481997905335935571100117702063391902865144252471684663040405861387382452687196797378500468207468590225892682910419955125149625717386286496423393281596448751806168374459295897504361936149269449376531878301764322559129345429203495462853113885443188557698474808614873607484826329014479308388006210482771160694319338540982712133248432455460177198073500948609908210301871236391997579798491578297410641338183193625459572777194108280305203429295550793453442450842027756826687265789713571952784380785569354080365391102287009556056090491579933775572866709027182521478976165471480453796195718565676125644919582439789772072100726796355262223355837411714267459646408690654869628543684464091537222827429351918228179699568774499558834725042958071931647848223585305679945674267168042125373964525093185007451870996523749749630470819935898584504963352726722038505017629652327400100367032216472518559454513545311568624419808819821602812742757
 . . . . . . . . . . . . . . . . . . . . [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)
							c1c737e91ecbaa82ea39a5f2774271f3b8601c9e
 . . . . . . . . . . . . . . . . [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 (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'pharmlines.iadb.nl'
 . . . . . . . . . . . . . . . . [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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f10077005ea773f9df56c0e7b536487dd049e0327a919a0c84a112128418759681714558000001706855a93e000004030048304602210090ebcfceef60dbdc9a85c4271b0365cfbb89d62512679f166b7865f8b3500bba022100a320d7dad10a33e6b31ec637a9605b43923f8165b68fff164596fe87a507a8e5007600b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e000001706855a92e000004030047304502204ef75a50af84e63732ebbc9b3f63846bfa1d1cceebbef538d39b690512334e11022100caa0611b35cdc9d9cfddad52aaaa05673c90761dbaa4c5764ac1dc531464252a
 . . . . [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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