o2.lk

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:17:a7:d7:74:f9:7d:a1:a4:ee:b1:fe:b9:78:45:6b:59:50 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=o2.lk

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:17:a7:d7:74:f9:7d:a1:a4:ee:b1:fe:b9:78:45:6b:59:50
Serial Number (int): 269386452026109198070045853814747271223632
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: b4:f6:6d:e9:2f:99:c6:5b:45:a8:52:63:8a:7f:4d:b2:c6:b4:34:08
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 57:df:bb:fa:61:33:aa:a5:f8:a5:41:8c:a1:9b:ed:7c:dc:d3:c4:a5
Fingerprint (sha256): 81:ef:2a:f6:42:bf:ce:3c:30:d7:df:a2:a3:19:d3:18:a0:16:c7:39:5a:d2:f4:7d:59:ed:9d:c9:a8:6b:1c:d4

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 o2.lk

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for o2.lk

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

o2.lk

Other certificates including the domain name o2.lk

(limited to 100 certificates)
abc.3pm.app
o2.lk
www.o2.lk
o2.lk
o2.lk
www.o2.lk
referralportal.smeyegroup.com
app.o2.lk
o2.lk
demo.traceit.live
pay.o2.lk
www.o2.lk
www.o2.lk
connect.thrivexcel.com
o2.lk
ivf.curocura.com
www.o2.lk
hrm.senate.gov.so
www.o2.lk
o2.lk
o2.lk
o2.lk
pay.o2.lk
o2.lk
www.o2.lk
www.o2.lk
b2b.o2.lk
assistance.follosoft.com
o2.lk
www.o2.lk
www.o2.lk
o2.lk
support.cyrillcase.com
print.o2.lk
o2.lk
www.support.templogic.biz
o2.lk
www.o2.lk
o2.lk
helpdesk.verowave.com
o2.lk
www.o2.lk
o2.lk
pay.o2.lk
o2.lk
support.firstpagelife.com
pay.o2.lk
www.myzylkerportal.online
o2.lk
referralportal.smeyegroup.com
www.o2.lk
teamxhub.xtremesnowpros.com
o2.lk
www.o2.lk
o2.lk
o2.lk
o2.lk
o2.lk
www.o2.lk
www.myzylkerportal.online
pay.o2.lk
careers.avlc.llc
o2.lk
support.hsbintel.com
www.o2.lk
www.o2.lk
www.o2.lk
o2.lk
www.o2.lk
support.atklass.com
www.o2.lk
o2.lk
assistance.follosoft.com
pay.o2.lk
o2.lk
o2.lk
o2.lk
www.o2.lk
www.o2.lk

Certificate

The complete raw certificate details for o2.lk in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAqjamkxqn4X5USSewhn5B
b/sx+r67Aw+iDafVhAGlNF7LgY4yjmzcsO5ppcPYaqkhq09vgxzkqzYzckHX42C8
9hkOKPlFmEp8SYcdp5AtQ8HSQhkvZ0OWUUQhpvtMoL0m25LeanaDSsJcMI14qe2p
gcH7hoAI2NUKBfJAuSyS3Ue/L5e0WydMM6/FGsE5eynhr5Se9O4LYuQ2Zm2g9IPr
2cOvJOAf0TFRH0iojzWdRK/4ef1guWDR9zqKPTEB3YMTh8NS1qfs4n8pz+uC39Zy
IZ5dkh97h7SodBQcP3lSe4sEadnZI9flZjc6NcrDvDSNH8Sw5eXz7bbswmCkg62s
AwIDAQAB
-----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 269386452026109198070045853814747271223632
 . . . . . . . . [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 2020-02-12 02:21:51 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-05-12 02:21:51 +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 'o2.lk'
 . . . . . . . . [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 21487461100001181239014802318812062299298554032667685517534826514370895207590027550101196074249430189005437339604442560906376611521056051708467589320788908678186155427217098647780603457754587698883355907481653341799042042009331934603451793269816503949502602193964259552860061218634221112669037405049634321092612071610911010027357449292461106321321715481243385922465134323300438216390407286153612015058162969069831711364729222026722814398362314011505635010948109355463316294834781826307646930391879644416281868672672182049716911852846198606369662284370783908426447955031167538854320001432615296019625066612742977072131
 . . . . . . . . . . . . . . . . . . . . [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)
							b4f66de92f99c65b45a852638a7f4db2c6b43408
 . . . . . . . . . . . . . . . . [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 (9 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'o2.lk'
 . . . . . . . . . . . . . . . . [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)
							00ef007500f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb27300000170376acd680000040300463044022002a39ab4a729ae9ec6a290279665a369dae0e0e8e55d07bd295dc4aae73fa0f5022035590b7468fa309e26a5bd7205bd6978ff48288450aac4841b658afe425c3cb6007600b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e00000170376acd5b0000040300473045022008d9e11859e59442591e35fcb00181b6e0d205d8767bd589312d551ce18c8b94022100e1e0be238139069f8b4e939cb4c3f64ba42ad5617b25f21a32e0f55dc7396d77
 . . . . [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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