www.nrtc.com.pk

Issued by R3

About this certificate

This digital certificate with serial number 04:08:68:5b:ec:1a:d8:b7:7b:cc:ab:dd:c9:50:0f:42:c8:7f 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.nrtc.com.pk

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:08:68:5b:ec:1a:d8:b7:7b:cc:ab:dd:c9:50:0f:42:c8:7f
Serial Number (int): 351310119661759921481636877379886018381951
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: a6:ca:b2:58:f7:b7:24:87:88:d4:67:5d:53:dd:e5:89:97:ba:d2:a3
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 0f:03:35:29:be:ea:3c:95:1e:00:bd:8d:40:6c:03:c3:14:30:da:ab
Fingerprint (sha256): 99:04:30:41:93:4f:a9:c0:6f:d2:87:a2:41:31:fd:b5:2d:41:d4:8c:88:97:ef:94:01:a0:dd:a6:4c:ea:d8:1b

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)
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demo1.nrtc.com.pk
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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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA1qgcYQjeAf42jvXOnRw3
dFGmeBzvYlEtVNdE8JdW4raCeiToLqr98nVJetZd8OkYJDVXxEwuTwhlJzVLQFTW
QnCUyA0zdc+yprHzVuoSCs6P2NoBoXtLsszlM8cpUsPcn7Gkw20qZuu6NGJZ1KK+
hZP9Oo1pnplHVNWaJQmpQYz54v3OxKjvt/zHDHfCN7BuGuxHMqxmI71Xti8Nhx0a
zVjg8EDDO65/t9+5yqfMYHeTIkZxGUddwnwlY/yPnZxL+SqzizLjiVdWUBvpub2l
FnrtnxZqYbYq78CTazZOyC8wJ8G+W+//qYXz6mGYs1tbePwmGxvSvgIFnOfr6Z7G
WQIDAQAB
-----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 351310119661759921481636877379886018381951
 . . . . . . . . [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 2023-09-04 00:59:14 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-12-03 00:59:13 +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 27097895815319590549038979979986415067534247101285547311212202746221679883952347447756200518351929919701875632950846013084236670066585697868261130483640829244224225263618186245502910121137061170765488003030982340200497630104115134807761508734959674087491004641645648337865233270505614261272481803149090181947711260669226210998970693029554520355695157800351292233121098371359930592951749554397424810859209556441667314402710380533528049175889285287573451986181134283808768854134664757267890929897734842786214493190687879568472136794736280573105513470235922206692916618553124618242153403312656947599005642336362234299993
 . . . . . . . . . . . . . . . . . . . . [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)
							a6cab258f7b7248788d4675d53dde58997bad2a3
 . . . . . . . . . . . . . . . . [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)
							00f0007600b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb4990000018a5dea5b320000040300473045022100b664118997b03227de76f31f5edda6e44712f6b9b806a82f38f4ded1001dea9402207b251ee5ce4162766a51e72402def7e1ca555ff8375dcbb8f616cf3944fe906d007600adf7befa7cff10c88b9d3d9c1e3e186ab467295dcfb10c24ca858634ebdc828a0000018a5dea5b6a00000403004730450221009610112184eada546ee0e828f093639d3096bc751194f3645f47bddb02989bd202207436bdd2e41c5e4537f0e75a91bc6e585387760e112eed64bbb0914d8076089a
 . . . . [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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