www.liftoffagent.com

Issued by R3

About this certificate

This digital certificate with serial number 03:db:af:89:8e:1c:5a:16:ac:2a:fa:5a:b9:dc:b9:7b:e5:e5 was issued on by Let's Encrypt.

With 2 subject alternative names this certificate can be used to secure multiple fqdn's. 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.liftoffagent.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:db:af:89:8e:1c:5a:16:ac:2a:fa:5a:b9:dc:b9:7b:e5:e5
Serial Number (int): 336092025277246676316722404920147194930661
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: f4:0e:00:b7:1c:7b:95:ed:11:ae:99:00:cf:40:fa:aa:d9:51:ad:5e
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): a0:38:f9:b4:fe:ac:38:d8:ca:f1:be:b8:89:d6:26:76:e9:87:cf:39
Fingerprint (sha256): a6:69:ee:c4:b3:f8:f5:15:f8:9f:c4:b2:29:7e:6e:52:55:34:32:fa:01:ae:9c:0b:d5:76:8a:88:24:a3:78:22

Issuing Certificate URL: http://r3.i.lencr.org/

Revocation information

OCSP Server: http://r3.o.lencr.org

Check the revocation status for certificate www.liftoffagent.com

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.liftoffagent.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

liftoffagent.com
www.liftoffagent.com

Other certificates including the domain name liftoffagent.com

(limited to 100 certificates)

Certificate

The complete raw certificate details for www.liftoffagent.com in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----
MIIGQTCCBSmgAwIBAgISA9uviY4cWhasKvpaudy5e+XlMA0GCSqGSIb3DQEBCwUA
MDIxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQswCQYDVQQD
EwJSMzAeFw0yMzA1MjYxNjAzMzJaFw0yMzA4MjQxNjAzMzFaMB8xHTAbBgNVBAMT
FHd3dy5saWZ0b2ZmYWdlbnQuY29tMIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIIC
CgKCAgEApg4e4jsIG6E1rgpraSKdeCjThQYZampOZzV1a9SAsId5NyNtGkO1R1V/
OnZ60wQUPkDAl/BZFN/j+oClHnrEPmPWrteXhVHpku3cx5KBoIUqg4xUyqATANyW
QpRrPF/tK/7CwE2LI0ImhTIEhdzGm4kV+N3O79gjwIy6/+ng2Mor6eJIAQt9Dh2/
jQb4M9wWIIhXveeS0f6ygqZQB7VhntoQXNWNVTU9YMxmwqdV49JHcmp01ODZnue8
3RPwTTDAZ/GqNxpU+cRfiMVbsg1nH221jcYBy1kkSZ6zaXwxUGEGKrlb9FYkMgIV
VIilK84EhjMkYzKtDHlM4IGkGtvAXJ6A5aY0UCqMFN5HJ4BDSBY76k6JSGD6f1J2
H7Y4fUIYwwtzIJRzoCh/xSFvEEEAud2Z2dpsWbDYiCNB26s5Ys1vJKGR6JSj9GcO
7EjwnR7gphdg4ymO9TxmsVDxkAZ1d0BybE0Ri8aptSGhCCXFcVBz4XX4REUv86u1
/HS6YCXCXwcg9CFnJdhXOM1iiL2ifS54+ZGfoE8ibh7T0tQnWxOzyM+eB0DN7RP8
YP1lfHtfTv597mxm2fbnxOivywiw2tVT3ZHBQJ5SkjpN1RwyJPhJQnIKL5XHIbKg
gG/L3sC1ZF/8C03Qa2ySZd4b4Q81xCvhONPoKqDsge+7zepL2dkCAwEAAaOCAmIw
ggJeMA4GA1UdDwEB/wQEAwIFoDAdBgNVHSUEFjAUBggrBgEFBQcDAQYIKwYBBQUH
AwIwDAYDVR0TAQH/BAIwADAdBgNVHQ4EFgQU9A4Atxx7le0RrpkAz0D6qtlRrV4w
HwYDVR0jBBgwFoAUFC6zF7dYVsuuUAlA5h+vnYsUwsYwVQYIKwYBBQUHAQEESTBH
MCEGCCsGAQUFBzABhhVodHRwOi8vcjMuby5sZW5jci5vcmcwIgYIKwYBBQUHMAKG
Fmh0dHA6Ly9yMy5pLmxlbmNyLm9yZy8wMQYDVR0RBCowKIIQbGlmdG9mZmFnZW50
LmNvbYIUd3d3LmxpZnRvZmZhZ2VudC5jb20wTAYDVR0gBEUwQzAIBgZngQwBAgEw
NwYLKwYBBAGC3xMBAQEwKDAmBggrBgEFBQcCARYaaHR0cDovL2Nwcy5sZXRzZW5j
cnlwdC5vcmcwggEFBgorBgEEAdZ5AgQCBIH2BIHzAPEAdgC3Pvsk35xNunXyOcW6
WPRsXfxCz3qfNcSeHQmBJe20mQAAAYhZA/gDAAAEAwBHMEUCIQDnPyUZGf4rCxg3
MzZx238aYBqIZUUQ3TYZqczNAni/+gIgVpwBnR0EVxh0GUSnLHb4QRmveiYl5B8L
OGkPiPrOFVUAdwB6MoxU2LcttiDqOOBSHumEFnAyE4VNO9IrwTpXo1LrUgAAAYhZ
A/gqAAAEAwBIMEYCIQCXAaSjXaFQCEkXcNb0CDd7tiUc3oQM7zPMDXs2VTNVsgIh
AMtyXsqlrzpSpPqXxofAKErxM/5DgVPYNWbzIFTkrA2oMA0GCSqGSIb3DQEBCwUA
A4IBAQC2ABFVx18GaQkMQPQjLI8Dil1Ai7f3k76tqkchSVLzUrzb06211oe2nvFr
2pshaidrHOBNAgK41WmJmAc60OGgyOTncFb29Yw6k6N512G8Rson+qYovX6WXIPh
tLtznzinFOocZNm2ey4iYLubYgc+gcsD4nXULqlpXJX+yoIK9SwZ0mWhT1qmNsa7
bHZOIN6Qj894YsuyDpV4UBrt+85gUbpg4eStviX83LSYGiQVmL3f2a/lcAS0grR8
qb3q/Hv8kEaWWOcNCp1KjKXbCyzjUoMns8ERa+s53dDQav2mN8f+xuBMVOe5AZtB
Uo1sIHzC8RyXqj4dRXt+7sawLtJ9
-----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 336092025277246676316722404920147194930661
 . . . . . . . . [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 'R3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-05-26 16:03:32 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-08-24 16:03:31 +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.liftoffagent.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 677445943350687855552289931381098834027066547330790862522628827990579866631021256567127952287504378186465314124519966345940399483446250599070290954990677592319393568181640801399541929761691358638904288197622685019762768646821399591507527422754891678114046762995032490940814305134310866840340728183967420008584854309991046881495297779203980720910427793223106085734939314898554233222685730096348431411962294714926905513007938166278883572030983996372920289808250147907241544377523878752730334297283518532805319375619528154522620310795985359724728568723758099695355624263962208577534139859782649534562236897967863705724452625951301926820899329850743949665445971511727656814374492006286402466196349014905469447873465113110143662723051063215539917125129687433314154637350254271966250824500454277958660206277923597516987258127653765825511093149269451059713493109432995596557824817139974632401293023276695354463180482259544793433227859241142318621881177798474039015090688915293411985201994951136690195144124733595001787400929400763404398658590221550342484381803958137837005053084787666078542710915019630164845261058479154944903376849478648613691242106387834012198577466265176689104009030735225180782074448036010942809725246003977129449740761
 . . . . . . . . . . . . . . . . . . . . [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)
							f40e00b71c7b95ed11ae9900cf40faaad951ad5e
 . . . . . . . . . . . . . . . . [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 142eb317b75856cbae500940e61faf9d8b14c2c6
 . . . . . . . . . . . . . . . . [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 (73 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://r3.o.lencr.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://r3.i.lencr.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 (42 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'liftoffagent.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.liftoffagent.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)
							00f1007600b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb499000001885903f8030000040300473045022100e73f251919fe2b0b1837333671db7f1a601a88654510dd3619a9cccd0278bffa0220569c019d1d045718741944a72c76f84119af7a2625e41f0b38690f88face15550077007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb52000001885903f82a00000403004830460221009701a4a35da15008491770d6f408377bb6251cde840cef33cc0d7b36553355b2022100cb725ecaa5af3a52a4fa97c687c0284af133fe438153d83566f32054e4ac0da8
 . . . . [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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