www.nrtc.com.pk

Issued by R3

About this certificate

This digital certificate with serial number 04:e7:99:6a:21:b2:50:b4:be:ba:be:47:5a:fc:23:21:03:8c 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:
  • DV certificate contains a subject common name, this is not recommended. If certificate policy 2.23.140.1.2.1 (CA/B BR domain validated) is included, only country and/or common name is allowed in SubjectDN. (BRs: 7.1.2.7.2)
  • 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)

Certificate Subject

CN=www.nrtc.com.pk

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:e7:99:6a:21:b2:50:b4:be:ba:be:47:5a:fc:23:21:03:8c
Serial Number (int): 427258293436046975622989890530934528213900
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 1b:d3:fc:c2:f4:e5:df:92:c8:b4:bd:fc:52:75:03:09:02:59:dc:2d
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): e1:69:23:52:71:94:94:1d:8f:2c:36:3f:0a:ba:bf:48:7f:77:08:13
Fingerprint (sha256): e0:33:8d:fc:1f:0b:30:ab:88:8d:24:46:14:5b:95:e1:4d:47:5c:03:98:c7:9c:e3:6c:1f:66:ff:d0:7d:c5:18

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

Revocation information

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

Check the revocation status for certificate www.nrtc.com.pk

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.nrtc.com.pk

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

nrtc.com.pk
www.nrtc.com.pk

Other certificates including the domain name nrtc.com.pk

(limited to 100 certificates)
nrtc.com.pk
www.nrtc.com.pk
nrtc.com.pk
mail.nrtc.com.pk
mail.nrtc.com.pk
mail.nrtc.com.pk
training.nrtc.com.pk
nrtc.com.pk
nrtc.com.pk
mail.nrtc.com.pk
mail.nrtc.com.pk
www.nrtc.com.pk
sni.cloudflaressl.com
nrtc.com.pk
nrtc.com.pk
www.nrtc.com.pk
*.nrtc.com.pk
demo1.nrtc.com.pk
nrtc.com.pk
demo1.nrtc.com.pk
nrtc.com.pk
demo1.nrtc.com.pk
www.nrtc.com.pk
training.nrtc.com.pk
*.nrtc.com.pk
training.nrtc.com.pk
nrtc.com.pk
www.nrtc.com.pk
nrtc.com.pk
mail.nrtc.com.pk
nrtc.com.pk
demo1.nrtc.com.pk
nrtc.com.pk
training.nrtc.com.pk
nrtc.com.pk
www.nrtc.com.pk
mail.nrtc.com.pk
nrtc.com.pk
nrtc.com.pk
mail.nrtc.com.pk
nrtc.com.pk

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA6P+P0Nh0KVYECJmb7Q/V
b4BKps2glHL5G8TBJFBK5VD1ywSpGKX/BUI2ejil6zTKuopt1GUmJ7412ElZPasP
UfbQdSBq8d/nk1M1Oq+Ei8hcHxFftjW9k+9vxlm7YVxrK92LA6vRL5A769X+f/pM
v0Jg2yQFN27IfWpp7wp9kqMaYiLyyI3dD+7B3/FSxn3cgY2Nax71XDKa1ZvptvEj
lFvjiNUe7u9MRhLMI/ePF1yLLxMjmpMUe6zI7wOAYBLcWtH3svSTtiF7plk3+zT9
U0wCTYmzA61h2HcvwoRzSrSCLmHoViPxxE/Hoo//Hg34JyYuM4Vkw9Pom18VpX5R
HQIDAQAB
-----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 427258293436046975622989890530934528213900
 . . . . . . . . [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 2024-01-04 02:31:05 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-04-03 02:31:04 +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.nrtc.com.pk'
 . . . . . . . . [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 29413308962992298278457562489700948095852082328348392508155357019634317776630781629621833891624825179489522677716271777026182786653190017612543154157151313610799508562850910121346399287859039266748017606358198276151210007380552992328205768339729032298665343353734632981782957533773715742867792595932246125923923730480606022656651459851920079968963163836619461385511422949113677252988420048625829900129383862067572326677521421762983411466465673824655352672894622514541055987354425668402405379315394427419946520706716177479325818929212808007665171249419223282663442429862304006894538692159548506278991876032085391986973
 . . . . . . . . . . . . . . . . . . . . [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)
							1bd3fcc2f4e5df92c8b4bdfc527503090259dc2d
 . . . . . . . . . . . . . . . . [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 (32 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'nrtc.com.pk'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.nrtc.com.pk'
 . . . . . . . . . . . . . . . . [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 (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 (Domain Validation Certificates Policy)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.4.1.11129.2.4.2
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f00075003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018cd2864d9e000004030046304402200d2dc666c96ee7d225503fe45876d210ca4577657f911ff356b6ed35509bcab00220110ff0bd079d2164bd203bc1c5ff90673665fc5f890d409ebbd27e47df1f90d4007700eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018cd2864db60000040300483046022100a0fd85afd978b30ec81e8139334bcc8187362192d050ac2dd9cb8c6965950809022100abf5ff4fdd9851708056d6c6ed18752c083487766d849b9cc1d88b40e9fcc0d2
 . . . . [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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