www.nrtc.com.pk

Issued by R3

About this certificate

This digital certificate with serial number 03:89:53:0b:b5:fe:4b:8f:a3:71:a5:5d:18:fe:e2:38:e8:b5 was issued on by Let's Encrypt.

With 2 subject alternative names this certificate can be used to secure multiple fqdn's. This certificate is currently not expired, we haven't checked the revocation status of this certificate but you can do this simply on revocationcheck.com. 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 will expire on

Certificate Details

Serial Number (hex): 03:89:53:0b:b5:fe:4b:8f:a3:71:a5:5d:18:fe:e2:38:e8:b5
Serial Number (int): 308065928793628377898455378298305546610869
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 07:89:19:4e:30:6f:e5:2e:9b:4a:c8:3d:75:93:d6:e5:65:f6:2b:d3
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 38:6b:27:4d:1e:ff:75:87:43:4d:5d:67:c4:9a:8c:c2:eb:c0:28:ed
Fingerprint (sha256): 02:62:53:c0:62:24:a4:99:86:23:49:94:2b:96:b2:c3:00:db:3e:f3:cb:83:ae:90:b7:30:b6:bb:c7:5f:82:8e

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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAqchl9VjY572qyzyhjXuF
gedoW5ledzJCJy5WI38UeaeTDXXMAemDs+ZQC1SVAcNhe+21nDcGffXl7GZc1f7o
17OjF5rqUCL2YqGbKz+eJ1ZBjpqKBLg54GRUrb29jGzIiCQ4ZKHkDd330RaGkeLu
dBqA9kIgmpCzIFq9/adsQJZCkT4BO988orG0Fjba8xyGD0HE+HbQdl2fciOrJfV1
bJJMKYHcU08G4ZyS/tuwqJ5rkvzhwKFSuK+idUyfIyy2NQKw2w94mPDzT5RjnYkg
K06glwt9d3ABMe0shGmpEPagWT4Ex+AAuPRDoytoq/rp0ROfX9jH4lFiIJMx8aMd
cQIDAQAB
-----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 308065928793628377898455378298305546610869
 . . . . . . . . [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 2024-03-05 02:31:40 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-06-03 02:31:39 +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 21433093611715812911177226132543391394056510758196552823001717179829663305229249878059615172283740348015128769754325558252829029651972052383880960530546574373027040113294905589473861190113901646751508803232272112581571219999148573455642357055467101044600455066056573418832512767041226765219326488288852461620840210252135384469076631225896563018268041276589100880700177268270429127214490273213927570831954766193584403134871707150231811704483781221265742602716429742144977770841455519418570896546576470323828003777650484594749935196899781726158634055882329102931036889127061810654597906091941813469894725865470473477489
 . . . . . . . . . . . . . . . . . . . . [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)
							0789194e306fe52e9b4ac83d7593d6e565f62bd3
 . . . . . . . . . . . . . . . . [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)
							00f000760048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018e0caac09800000403004730450220205cbe4e50d2f5ad263564328d9bbc5fe296b0635da911d734b39da92e5a6c4d0221008a09c3c3b303b588b822050d4e73e6d9f33caab3a30d92aabfb226417e4abd62007600eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018e0caac0f00000040300473045022100bfe17e8cc447734aa20890cb48c15bbaa84f668d4421b92bb23a2d119ef03c1d02201d2ded528e8b96524b7845d5b157bd47d41e733cc4d3dc81ee5fce980b3e40cc
 . . . . [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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