DV SSL/TLS Certificate for ultimateip.com

Certificate is witin its validity period

Issued by Let's Encrypt (R11)

About the ultimateip.com DV SSL/TLS Certificate

This certificate with serial number 06:d4:06:78:d6:2b:16:32:15:ab:a9:f3:3a:bd:6a:c4:87:c2 for ultimateip.com was issued on by Let's Encrypt.

With 2 subject alternative names, this certificate can be used to secure multiple FQDNs. This DV SSL/TLS Certificate is currently within its validity period but we haven't checked the revocation status of this certificate, you can do this simply on revocationcheck.com. We have found some issues with the compliance of this certificate, they are be shown below. We hope this DV SSL/TLS Certificate review for ultimateip.com provides you with the detailed information you were looking for.


We have identified some issues with this certificate:
  • Subscriber certificates use of Subject Key Identifier is NOT RECOMMENDED (BRs v2: 7.1.2.7.6)
  • Subscriber Certificate: commonName is NOT RECOMMENDED. (BRs: 7.1.2.7.1)

Let's Encrypt

Organization: Let's Encrypt
Country: US

This X.509 certificate will expire on

Certificate Details

Serial Number (hex): 06:d4:06:78:d6:2b:16:32:15:ab:a9:f3:3a:bd:6a:c4:87:c2
Serial Number (int): 594822180165247503196945883430120715487170
Serial Number Length: 139 bits, 18 octets

Subject Key Identifier: f3:ef:2d:70:8e:5a:b3:d9:3f:4c:b1:ce:6c:c2:51:06:2a:5c:b6:ec
Authority Key Identifier: c5:cf:46:a4:ea:f4:c3:c0:7a:6c:95:c4:2d:b0:5e:92:2f:26:e3:b9

Fingerprint (SHA-1): 29:ba:f5:cb:b4:b1:04:d6:69:94:de:7f:9a:68:2c:91:5a:ae:a8:f9
Fingerprint (SHA-256): 21:62:c3:bc:ef:86:40:a0:60:7d:0e:9c:bf:35:6d:2e:f3:2d:2e:14:41:93:05:fc:1a:b1:e2:fe:f4:ca:bb:99

Issuing Certificate URL: http://r11.i.lencr.org/

Revocation Information

CRL Distribution Point: http://r11.c.lencr.org/67.crl

Check the revocation status for certificate ultimateip.com
2
DNS Names
0
Email Addresses
0
IP Addresses

Advanced Certificate Properties

Technical details of the X.509 certificate for ultimateip.com

Public Key Algorithm
RSA
Key Size
2048
Signature Algorithm
SHA256 with RSA
Key Usage
Key Encipherment
Digital Signature
Extended Key Usages
Server Authentication
Client Authentication
Extensions
10
CA Certificate
This is not a CA certificate

Subject Alternative Names

X.509 Certificate

The complete raw X.509 certificate details for ultimateip.com in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----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=
-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA6sbGQCOd7BRuCexrRAWJ
TCXAgJomKT3AHHCc6AYtvcg8JmyFmYuiRpetiXzM9LNl32nN+a8y6mppag6kdhjM
30sQZPBX0sRTdWWNoQumTbdw6Fo40iodwumt1TlKb+RQaRaM9kJFl2w5DLwuMBkN
ZmVCkOsoGL+0t5Pt+0bqMIT9+udGGdJebYNY1gLRj4od1zElH1pnzBvOlA+maDX+
6JNES2SlSR+DwhFxlyMkPfaUsdHPStACWCPvGbpJjs/1VB1W8AF+W2/r7Ephfe8H
WH3bIle01gsox5J6YX/3ec4ZfRGJE3T8jBUl3WkRrWpxDZU+DEyW8nocWsEWZ1ex
ZQIDAQAB
-----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 594822180165247503196945883430120715487170
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11
 . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'R11'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-07-01 15:52:17 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-09-29 15:52:16 +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
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'ultimateip.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
 . . . . . . . . . . . . . . . . [c:0|t:5|false] NULL []
 . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (2160 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 29637782679908759739278683203291326989170915091688397039311798239227570153926344727776620234723888457122445962733146575990076650296869454881446926967433116337592717698889066236775575575660890290804643689692805353682077724333427457018491646685066299548170461515120146446984107845057904351983659455929885542739846488622045450202381566448215019298788382672313478707020112728778427030298922636220205861397483952266674887983484479910900601197492301874170237447627784261737616838810137506848674377790948290482908158949418583424470912986702749278898052210562386925484736898497177901914142746314697506504752960533297972621669
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.2
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.19
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (20 bytes)
							f3ef2d708e5ab3d93f4cb1ce6cc251062a5cb6ec
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.35
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (24 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|false] OtherName c5cf46a4eaf4c3c07a6c95c42db05e922f26e3b9
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.1.1
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (39 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.2
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://r11.i.lencr.org/'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.17
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (36 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.ultimateip.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'ultimateip.com'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.32
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (12 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
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.31
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (39 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://r11.c.lencr.org/67.crl'
 . . . . . . . . . . . . . . . . [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)
							00f100770012f14e34bd53724c840619c38f3f7a13f8e7b56287889c6d300584ebe586263a00000197c6e5f17b0000040300483046022100cb0c0e8286ac669f2d4e2c71fc7e1f292391d62fe4e5d8dec3a65e04916d260d022100d710cd414afc8930fad8a23ac2cce35c69de73762d8b4823ca4337d03daf6d590076000de1f2302bd30dc140621209ea552efc47747cb1d7e930ef0e421eb47e4eaa3400000197c6e5f1730000040300473045022100ce600b28b11482a351514c597adcc96713fc8d42e56d443c84f791ed767a4be602204e7251f9814d539a4ce3358846afc2fd70edcddca1ebad4f4062ccc9760c8b5b
 . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11
 . . . . . . . . [c:0|t:5|false] NULL []
 . . . . [c:0|t:3|false] BIT STRING (2048 bits)
		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