fu.edu.pk

Issued by R3

About this certificate

This digital certificate with serial number 03:e0:8c:28:48:c1:22:e8:72:23:36:da:f7:e4:fe:2e:42:99 was issued on by Let's Encrypt.

With 3 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=fu.edu.pk

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:e0:8c:28:48:c1:22:e8:72:23:36:da:f7:e4:fe:2e:42:99
Serial Number (int): 337746409072490515699276016620572980953753
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: cc:13:96:e2:78:67:9a:d1:69:b6:3a:dc:02:31:5e:5b:4f:4d:88:cd
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 63:5f:f4:0c:95:47:b2:a1:40:cc:6f:b6:32:57:36:a2:9e:e6:75:bc
Fingerprint (sha256): 9f:b7:7d:bf:a8:11:f2:df:22:cf:14:21:51:9a:28:67:bf:b9:b3:55:92:2e:bf:73:34:67:a2:bc:5d:39:04:94

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

Revocation information

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

Check the revocation status for certificate fu.edu.pk

3

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for fu.edu.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

fu.edu.pk
webmail.fu.edu.pk
www.fu.edu.pk

Other certificates including the domain name fu.edu.pk

(limited to 100 certificates)
secure.paypal.com-verify.fu.edu.pk
fu.edu.pk
testing.fu.edu.pk
fu.edu.pk
m.facebook.com-security-verification.fu.edu.pk
verify-and-update-your-accouunt-security.fu.edu.pk
fu.edu.pk
fu.edu.pk
webmail.fu.edu.pk
webmail.fu.edu.pk
secure.paypal.com-verify.fu.edu.pk
fu.edu.pk
webmail.fu.edu.pk
fu.edu.pk
fu.edu.pk
testing.fu.edu.pk
fu.edu.pk
m.facebook.com-security-verification.fu.edu.pk
admissions.fu.edu.pk
verify-and-update-your-accouunt-security.fu.edu.pk
fu.edu.pk
fu.edu.pk
update-your-paypal-account-verify-your-info.fu.edu.pk
fu.edu.pk
fu.edu.pk
fu.edu.pk
fu.edu.pk
fu.edu.pk
fu.edu.pk
fu.edu.pk
update-your-paypal-account-verify-your-info.fu.edu.pk
webmail.fu.edu.pk

Certificate

The complete raw certificate details for fu.edu.pk in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----
MIIFAjCCA+qgAwIBAgISA+CMKEjBIuhyIzba9+T+LkKZMA0GCSqGSIb3DQEBCwUA
MDIxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQswCQYDVQQD
EwJSMzAeFw0yMzEyMjQwNjQwMjZaFw0yNDAzMjMwNjQwMjVaMBQxEjAQBgNVBAMT
CWZ1LmVkdS5wazCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBALtK3tQO
fXELty5hzVJhj9zCStF53YMRYVA2gMwELaA53XrNGXJ85yl+Xw66aa/aGwwhQE3q
LBtA1R3Nl8G+MHhCkq5VEwas7Lk+o19lyuegFRZzuNKE5KbLCry2fUuUs9m3LHn1
9E++laPlXGhY+ifwdCH86zzdDAaCeV2JTs2acADnyfD7OhMvv/UJ9rEjNSMi3YRT
TcXKJWPAsWl8fk0GUimCaGaBTB6dWqLpBea1uAP1ryaEdif3apfT1PgNz3Nd36ch
QGPXXaEaQcWaAkbHN4fd0Um11KRmPH8/xomjtBWZRQGnYxo5a45w19suSzXN0yO7
cF1WeAScmlBhtXkCAwEAAaOCAi4wggIqMA4GA1UdDwEB/wQEAwIFoDAdBgNVHSUE
FjAUBggrBgEFBQcDAQYIKwYBBQUHAwIwDAYDVR0TAQH/BAIwADAdBgNVHQ4EFgQU
zBOW4nhnmtFptjrcAjFeW09NiM0wHwYDVR0jBBgwFoAUFC6zF7dYVsuuUAlA5h+v
nYsUwsYwVQYIKwYBBQUHAQEESTBHMCEGCCsGAQUFBzABhhVodHRwOi8vcjMuby5s
ZW5jci5vcmcwIgYIKwYBBQUHMAKGFmh0dHA6Ly9yMy5pLmxlbmNyLm9yZy8wNgYD
VR0RBC8wLYIJZnUuZWR1LnBrghF3ZWJtYWlsLmZ1LmVkdS5wa4INd3d3LmZ1LmVk
dS5wazATBgNVHSAEDDAKMAgGBmeBDAECATCCAQUGCisGAQQB1nkCBAIEgfYEgfMA
8QB3ADtTd3U+LbmAToswWwb+QDtn2E/D9Me9AA0tcm/h+tQXAAABjJrEnscAAAQD
AEgwRgIhAPBzdCFlvbNtlahQ495f7t8iQfIOSVvtYslDUnWBXGFNAiEAtudndnCP
Jkw43Yh1cMcKLZ74+dPzwf07dYljQ2FmxpsAdgAp0DobtnSqcRzTA1tlV8FPiqeL
T+g4lEnspFP5RL0kaAAAAYyaxJ+aAAAEAwBHMEUCIGksvPlazIcns6WIwy3JYXyf
sYrYPPNGzD973eLRzl31AiEA/kZMMt5EytVhfPcThF17gQN7uB0WoQ1W64YD3mt+
ycgwDQYJKoZIhvcNAQELBQADggEBADGHDovMwRkRoLjm9W7eBqDIV4d7O6EfcPrz
U9wl2W1l0+zYVjyV7+iLTWslkR4M4uHNOC9hwf4Pcqby2qo6Dqgc5+9792F47ONb
TI+7rtukkOngRcZryFw/L5EiqMe7fSIei0kjfkQAoypR7ky+yKOoCkddE5/YeXN6
wMEuxeUKDnSduGxORHZl8dRjT0j+R7hdsKe8uLZVxFIcZ69j51CZ8GCfN/PV6+Lb
wEZTk4uIcd2Y7I5snhFGqbWnxaMH9mldT2O0RA1iWCgKXAH6CWxnLqoqKqncUELX
4EKCgtApHU6P7I5ExvvEuUk6UTVlMioAcctYU75DfQEGYRQ7T7Y=
-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAu0re1A59cQu3LmHNUmGP
3MJK0XndgxFhUDaAzAQtoDndes0ZcnznKX5fDrppr9obDCFATeosG0DVHc2Xwb4w
eEKSrlUTBqzsuT6jX2XK56AVFnO40oTkpssKvLZ9S5Sz2bcsefX0T76Vo+VcaFj6
J/B0IfzrPN0MBoJ5XYlOzZpwAOfJ8Ps6Ey+/9Qn2sSM1IyLdhFNNxcolY8CxaXx+
TQZSKYJoZoFMHp1aoukF5rW4A/WvJoR2J/dql9PU+A3Pc13fpyFAY9ddoRpBxZoC
Rsc3h93RSbXUpGY8fz/GiaO0FZlFAadjGjlrjnDX2y5LNc3TI7twXVZ4BJyaUGG1
eQIDAQAB
-----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 337746409072490515699276016620572980953753
 . . . . . . . . [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 2023-12-24 06:40:26 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-03-23 06:40:25 +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 'fu.edu.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 23643483010372735652677046272356191212713093027079666457394793818990928352785680033951588724779810497873495306049791156581096101600150605705584547494875409803418621978801749742462766798186064945014951996180681840011836461337007380856203370360808711731999650193430931578365937261271192077711972197954133082378651738715286766748684779453312829424338036805501981009740764102878754705396439380702847709467139752208168151497531464504789781068077402284326983805708793895501383339646420837612382850819746290596552831912660063176083048600993541813870118908800585319888677827240253439033332193939285800419583539055592543991161
 . . . . . . . . . . . . . . . . . . . . [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)
							cc1396e278679ad169b63adc02315e5b4f4d88cd
 . . . . . . . . . . . . . . . . [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 (47 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'fu.edu.pk'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'webmail.fu.edu.pk'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.fu.edu.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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f10077003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018c9ac49ec70000040300483046022100f073742165bdb36d95a850e3de5feedf2241f20e495bed62c9435275815c614d022100b6e76776708f264c38dd887570c70a2d9ef8f9d3f3c1fd3b758963436166c69b00760029d03a1bb674aa711cd3035b6557c14f8aa78b4fe8389449eca453f944bd24680000018c9ac49f9a00000403004730450220692cbcf95acc8727b3a588c32dc9617c9fb18ad83cf346cc3f7bdde2d1ce5df5022100fe464c32de44cad5617cf713845d7b81037bb81d16a10d56eb8603de6b7ec9c8
 . . . . [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)
		0031870e8bccc11911a0b8e6f56ede06a0c857877b3ba11f70faf353dc25d96d65d3ecd8563c95efe88b4d6b25911e0ce2e1cd382f61c1fe0f72a6f2daaa3a0ea81ce7ef7bf76178ece35b4c8fbbaedba490e9e045c66bc85c3f2f9122a8c7bb7d221e8b49237e4400a32a51ee4cbec8a3a80a475d139fd879737ac0c12ec5e50a0e749db86c4e447665f1d4634f48fe47b85db0a7bcb8b655c4521c67af63e75099f0609f37f3d5ebe2dbc04653938b8871dd98ec8e6c9e1146a9b5a7c5a307f6695d4f63b4440d6258280a5c01fa096c672eaa2a2aa9dc5042d7e0428282d0291d4e8fec8e44c6fbc4b9493a513565322a0071cb5853be437d010661143b4fb6