www.mechanicdurham.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:99:f2:82:25:3a:46:84:ea:93:4c:ab:15:87:db:21:ae:8f 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=www.mechanicdurham.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:99:f2:82:25:3a:46:84:ea:93:4c:ab:15:87:db:21:ae:8f
Serial Number (int): 313722408862822097416188217173478232665743
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 77:07:61:8b:c3:65:45:46:0a:e2:aa:c7:df:07:ca:5b:ce:aa:dc:57
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): b7:86:6d:a5:ec:f1:74:db:11:12:0f:8b:13:25:67:bb:ce:8b:16:9e
Fingerprint (sha256): a7:36:4c:71:6c:fc:60:72:d8:82:71:1e:cc:ff:bc:ba:ff:a8:8d:95:d5:42:84:a5:26:46:6b:b3:cd:b4:8f:9a

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 www.mechanicdurham.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.mechanicdurham.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

www.mechanicdurham.com

Other certificates including the domain name mechanicdurham.com

(limited to 100 certificates)

Certificate

The complete raw certificate details for www.mechanicdurham.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 313722408862822097416188217173478232665743
 . . . . . . . . [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 2019-10-03 03:22:29 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-01-01 03:22:29 +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.mechanicdurham.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 917033658872062914210400557814488357346073273760414325765685952545966190692918690138289153498345906146871149523688042738267444156571971252261244887217552295148180528210080455985025898417634646854071404155844036385289348732239071941158990153123991196497260896359318542045850522701575845665152921401639148130955140968415306367395857491885890104618035899696276056954110160381355126439919110995718232129003153843039143756820227843366915614820410042796326048041349209982790824016564536673035701647246608617169086992519859648299615256211422617525195734195781775321427495603877752563843761892658575371618812639424063112576064680876344022659784740337474206851935925700540033338772045477836711717221698637533720305380965788897214895929162652553667468986865086226990616957216209256520721322314068602464383681072433651065894075079635331029609673420810950894740477888316388679512900201082886387248885100378586411651415329412234547702011825011388167355205940608169951673384305639776950374239076711436564743465523326232037258747182907442835217315911732468189742881970380657974437234154324180813911087883516077747048595589689799735962589303822027447680234804902853837804647865033024198382088206611960195770291263673137686803634046537889865379484959
 . . . . . . . . . . . . . . . . . . . . [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)
							7707618bc36545460ae2aac7df07ca5bceaadc57
 . . . . . . . . . . . . . . . . [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 (26 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.mechanicdurham.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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f1007700f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb2730000016d8fdae2590000040300483046022100f4ab7d8519a4783b2626190556ae970689cba829b62311b886c8db94cda6f4b3022100c5f3138765491c2df6e13741da2327a88d914ee03999aa5a5d1e3f1333649a72007600293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016d8fdae26f0000040300473045022027bf86ced2d0d19fdd5d200caa65d465895df10e79d246bd18363030b9d2923b022100eac25b1aa332fda7417cd1df74f54aba52c56c9dd26c8b1770ca6568e973c31c
 . . . . [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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