www.nrtc.com.pk

Issued by R3

About this certificate

This digital certificate with serial number 04:5b:a2:5e:de:d9:61:a5:64:03:cd:a6:ce:92:2d:9b:0d:f9 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): 04:5b:a2:5e:de:d9:61:a5:64:03:cd:a6:ce:92:2d:9b:0d:f9
Serial Number (int): 379630666647985908674156095434347656187385
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: ff:5f:4d:26:84:26:0f:b0:3a:82:af:59:7e:08:09:10:55:57:45:ec
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): dc:e4:b1:d2:3c:62:fb:15:6e:a9:09:9d:e1:49:7f:4a:52:72:1a:fd
Fingerprint (sha256): 50:86:3e:8f:5c:b9:c3:6c:c6:e4:df:e4:be:f1:4b:05:c8:30:1a:29:96:e6:df:49:ab:94:2e:44:36:6a:74:9e

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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www.nrtc.com.pk
*.nrtc.com.pk
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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAr9uyRb1TjCfP+yS0VR4f
b8pdUVkqEDyCBYVOSlJVFrJ8pxtP8zooVpmoWRPDvUHLTkimLAwwuIJn5sz88gb0
T/eZch6OD8lWLQ/Mx04dvjvwC6LtPyCTeVOqxF1sm+fE2slbcERsqAW3yo/uLh3N
cqJXFun+ch5xftjSdefIIfDaXZK6Qn8aWPIJrIr1nGExBhGIbGJMK1t6vU/jOqU+
Jq6T/ozx2n+2id1W3yFDN8ujsdQiUB6Z4/5Gi5ZkMVifPavtg41sj6Y+DiiNokHf
zNoXn9zKDikuz6LuNw6upTKxD23e+bXUQ4ocykHe0IWe09L1D505dEsfs3dHHZA5
0QIDAQAB
-----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 379630666647985908674156095434347656187385
 . . . . . . . . [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 2022-11-02 23:31:50 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-01-31 23:31:49 +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 22200039690132004216811631660501682862246129732515680489038941671104178757255083936379489041970864791850701556287884597510460355002375621100038425826251213311349275422407570004154281963258398808782938136896184920798784930583930969249656480997140588550645061962508451504016696264646398618401642497915495636984780020020861987467521963033350465951507472005218802625816682290101483771021071009725087414545325236880844136572024487417541170646954009957026783122663834604825077527625034853438841127256332532002958154904033398717188723473667403344533269798285595553556115623417550835616116198487340967550740026164803022109137
 . . . . . . . . . . . . . . . . . . . . [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)
							ff5f4d2684260fb03a82af597e080910555745ec
 . . . . . . . . . . . . . . . . [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 (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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f00076007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb52000001843ae6ba6b0000040300473045022019c8de7214dcfe91e24bd63fb95ae3c3343866bb37aff45642e6059d3c0292db02210081d14f0490a22f0382edeb91303d01ce6f8f56b940965f70a8fc00cd37873f040076006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d913000001843ae6bb670000040300473045022100fa1a4c519a2316f32e7797d5c9ea914e4afb69f83b4c5b30e3984e1c770116a4022059999d72a748baa93034fa3babdcb462127599758b4d37b14016cc5d5687d952
 . . . . [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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