eufco.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:b1:30:4f:9e:b8:d1:13:59:87:0c:81:86:0f:f9:57:40:97 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=eufco.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:b1:30:4f:9e:b8:d1:13:59:87:0c:81:86:0f:f9:57:40:97
Serial Number (int): 321631053094799753225184668143472843636887
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: cc:2d:29:c4:ae:e6:50:f2:c6:78:bc:d9:16:9f:c0:45:d8:1f:0e:aa
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): be:0b:96:4a:3c:05:fc:b3:97:5c:20:62:7f:85:24:b0:cc:69:09:a5
Fingerprint (sha256): 59:89:f3:30:39:44:31:59:29:98:45:f4:b4:2a:04:60:48:82:1a:5f:e4:fd:6e:6a:71:85:f9:f2:8a:33:93:1f

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 eufco.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for eufco.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

eufco.com

Other certificates including the domain name eufco.com

(limited to 100 certificates)
www.margaretbrown.com
oklahomastemcells.com
denversportsdoctors.com
billyswan.com
bismarcksportsdoctor.com
www.eufco.com
masterqual.com
drj.bible
69050.com
eufco.com
justusandthemontanas.com
eufco.com
sangiovanniteatino.org
www.eufco.com
eufco.com
eufco.com

Certificate

The complete raw certificate details for eufco.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 321631053094799753225184668143472843636887
 . . . . . . . . [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 2020-01-02 06:48:28 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-04-01 06:48:28 +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 'eufco.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 755890471639867333523017583606595753612404101927617154075204022004368217856648246674126542251341015057382151220807067195068755553553981241731585255965977214117680505565076056763546629339411583068920786920115331091919995755930236440664407812628817952459265366542252237715291208726030533919426031032845627417611800671176141383128882646930949818957015504156904185234826499251766184140280367743315683158412382119366543605202139041442173026105834053643728644353057390388645387016567930888256582386907546378752950742545424721242837654295418022664359046247906939385411838031919195955178997720274006122383988965518906956728569601755009051094161473091283225075721254698662727408834835507540506993127708481611233998840706702239525578033074561320860992537874459237456442793538802807000858024607888399248857839247815410568583497377979278397913273225593015197650664713453437675669959976489289133205282429070011971846339798106331020371842609766215870288411433745367285560009490581395412391599924948804242646545088508567156126682399260039586613568474605214441075451231388650879252915133609498879211992801022036866165017080712104220331965841887660625729107472022308405014754353639557265011553545517605942703966143656821587132763067630343579407242781
 . . . . . . . . . . . . . . . . . . . . [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)
							cc2d29c4aee650f2c678bcd9169fc045d81f0eaa
 . . . . . . . . . . . . . . . . [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 'eufco.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)
							00ef0075005ea773f9df56c0e7b536487dd049e0327a919a0c84a1121284187596817145580000016f653a2ada00000403004630440220443f5beb593db695861cd1c5510198330f1c0c803cd488b08ff06df9c8299f9b022072973eabcf7a1bec8a8b103ce7e36c7b7c75610f72211af99016b6c60937fe84007600b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016f653a2af00000040300473045022100b1f889bae1788b0b56e82caa4150ea956e6773d16fdde303739156b532bc443c022053f1b151bf80c06a4b6865c0831705d98f8cd1c2a6c12fd44ea3fe3345ba5888
 . . . . [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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