see-unifi.seetickets.com

Issued by R3

About this certificate

This digital certificate with serial number 04:18:58:31:3c:5d:a2:a5:9d:a3:e1:4f:16:5f:f4:f3:d2:08 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=see-unifi.seetickets.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:18:58:31:3c:5d:a2:a5:9d:a3:e1:4f:16:5f:f4:f3:d2:08
Serial Number (int): 356733148243681782634698617066431830020616
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 54:9d:1c:ec:16:5a:54:86:dd:c4:cb:07:69:1f:6e:e7:89:86:5b:ee
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 6b:5a:0f:33:27:4e:ac:e1:46:bc:12:a1:80:50:d7:ab:29:48:98:45
Fingerprint (sha256): 5c:0a:11:c4:df:04:da:ae:3e:80:65:56:4a:3f:7e:f5:48:67:8e:86:0f:3e:17:d6:e4:90:f8:5c:e2:23:52:48

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

Revocation information

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

Check the revocation status for certificate see-unifi.seetickets.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for see-unifi.seetickets.com

Public Key Algorithm

RSA

Key Size

2048

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

see-unifi.seetickets.com

Other certificates including the domain name seetickets.com

(limited to 100 certificates)
login.seetickets.com
*.seetickets.com

captiveportal.seetickets.com
www.seetickets.com
tickets.jointherebellion.nl
tickets.90sforever.nl
shop.oh-my.nl
clients.seetickets.com

emails.seetickets.com
group.seetickets.com
clients.seetickets.com
captiveportal.seetickets.com
io.seetickets.com
resale.seetickets.com
clients.seetickets.com
login.seetickets.com
vpn.seetickets.com
new.seetickets.com
tickets.jointherebellion.nl
*.staging.seetickets.com
www.seetickets.com

www.seetickets.com
support.seetickets.com
*.seetickets.com

clients.seetickets.com
support.seetickets.com
captiveportal.seetickets.com
knowledgebase.seetickets.com
resale.seetickets.com
*.seetickets.com
resell.seetickets.com
supportcentre.seetickets.com
captiveportal.seetickets.com
resell.seetickets.com
blog.seetickets.com
see-unifi.seetickets.com
clients.seetickets.com
citrix.seetickets.com
rds.seetickets.com
captiveportal.seetickets.com
login.seetickets.com
blog.seetickets.com
tickets.jointherebellion.nl
clients.seetickets.com
clients.seetickets.com
clients.seetickets.com
*.seetickets.com
support.seetickets.com
*.test.seetickets.com
blog.seetickets.com
*.seetickets.com
mobile.seetickets.com
captiveportal.seetickets.com
images.seetickets.com
www.seetickets.com
rds.seetickets.com
citrix.seetickets.com
boxoffice.seetickets.com
mobile.seetickets.com
emails.seetickets.com
clients.seetickets.com
seetickets.site
*.net.seetickets.com
io.seetickets.com
blog.seetickets.com
clients.seetickets.com
*.seetickets.com
api.resale.seetickets.com
resell-admin.seetickets.com
www.seetickets.com

blog.seetickets.com
captiveportal.seetickets.com
vpn.seetickets.com

rds.seetickets.com
mobile.seetickets.com
captiveportal.seetickets.com
clients.seetickets.com
vpn.seetickets.com
vpn.seetickets.com
*.seetickets.com
api.resale.seetickets.com
*.net.seetickets.com
captiveportal.seetickets.com
supportcentre.seetickets.com
rds.seetickets.com
blog.seetickets.com
status.seetickets.com
wp3.wayahead.com
blog.seetickets.com
www.seetickets.com
login.seetickets.com
ticketoffice.seetickets.com

www.seetickets.com

Certificate

The complete raw certificate details for see-unifi.seetickets.com in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA2alcDr7xgdB0sUg/strN
21iM49YPvULfjxAiyCMMKPOldXd4VbBBgQMlHOxMEjI2qL3yloyPL7vueNOGXSSA
TbBIcYqpyXuUyKoblffZVAGm5Pjdd/mU4Wt/fvlPEReQmDhtjIEhZDo+vmOhjtgS
89O100C5XANu2wq8z5C+hNTGddr8alrZUugVKMPWN2xxtHZI7XaH/t2Rs8am53X3
Q+Rp0kZ5dbJa0vsrXK1gBBzloTz9ZInGjdmxQ5VsjsnC80PCzHBiaWFQ1X4rNKv7
UrP8mECfznOhcvQo5fnO3NxCCLv7WQIJDWySJILhiJ0MKk98ZoIRKPawX6Hg+ciy
sQIDAQAB
-----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 356733148243681782634698617066431830020616
 . . . . . . . . [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 2022-11-30 14:27:22 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-02-28 14:27:21 +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 'see-unifi.seetickets.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 (2160 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 27477226509018528871479370549027877426847527410831699055541642697688211073465206555289356762685675777219646408330902435693230037155171911474647822654750591431598540944059337329641377044332789893801599863779605297601706569835888836172227853540817347319665689897171547175080784173462430353186129352870659054648686906358946670738435282018624274487397861021495014381282529508192475458518633002163767669268947348244334190239764212971655629504984020064446351585995699316040383032052098666517549250421638991013169782536442230525493874469947014890264396525461101168834875791958530460954501967936222929799066586582064122344113
 . . . . . . . . . . . . . . . . . . . . [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)
							549d1cec165a5486ddc4cb07691f6ee789865bee
 . . . . . . . . . . . . . . . . [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 (28 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'see-unifi.seetickets.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)
							00f1007600e83ed0da3ef5063532e75728bc896bc903d3cbd1116beceb69e1777d6d06bd6e00000184c926545f0000040300473045022100c89ee36f9ec4dd4954998b8a68890349753a52721a5cb685c2c90e9cc929467602202589b696a8ba98cb52f01b8fcca53ea57aa49d0655025ce5c15c24b777256364007700b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb49900000184c926564b00000403004830460221008ec0febabc0cf1ceea9ee424129480eec59b93ba27e47ce919501829dae6bd35022100d2661b51e9638d5aa8d56a609669db410f34eb3712a061dd99329bd5c16d6746
 . . . . [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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