Search results ip="103.28.121.41"

https://mx.ruet.ac.bd

443

103.28.121.41 103.28.121.41

country Bangladesh / Dhaka / Dhaka

ASN: 63961

Organization: Bangladesh Research and Education Network BdREN

ruet.ac.bd ruet.ac.bd

2025-01-05

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HTTP/1.1 200 OK Connection: close Transfer-Encoding: chunked Cache-Control: private, no-cache, no-store, must-revalidate, post-check=0, pre-check=0 Content-Language: zh Content-Type: text/html; charset=UTF-8 Date: Sat, 04 Jan 2025 22:45:01 GMT Expires: Sat, 04 Jan 2025 22:45:00 GMT Last-Modified: Sat, 04 Jan 2025 22:45:00 GMT Pragma: no-cache Server: nginx Set-Cookie: roundcube_sessid=b43m1ojcdrt2nil6n7s7d4h9f1; path=/; secure; HttpOnly Strict-Transport-Security: max-age=31536000 Vary: Accept-Encoding X-Dns-Prefetch-Control: off X-Frame-Options: sameorigin

Issuer

Organization:Let's Encrypt

CommonName:R11

Validity

ValidType:

Subject

Organization:

CommonName:mx.ruet.ac.bd

Version: v3 Serial Number: 401975781695726454712656665269436415328366 Signature Algorithm: SHA256-RSA Issuer: Country: US Organization: Let's Encrypt CommonName: R11 Validity: Not Before: 2025-01-02 20:23 UTC Not After : 2025-04-02 20:23 UTC Subject: CommonName: mx.ruet.ac.bd Subject Public Key Info: Public Key Algorithm: RSA Public Key: Exponent: 65537 Public Key Modulus: (2048 bits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uthority Key Identifier: C5:CF:46:A4:EA:F4:C3:C0:7A:6C:95:C4:2D:B0:5E:92:2F:26:E3:B9 Subject Key Identifier: B3:FA:CE:4F:8A:77:CB:89:4C:0A:23:A1:15:62:28:D6:ED:9B:13:7A Basic Constraints: CA : false Path Length Constraint: UNLIMITED OCSP Server: http://r11.o.lencr.org Issuing Certificate URL: http://r11.i.lencr.org/ Key Usage: Digital Signature Key Encipherment Extended Key Usage: Server Auth Client Auth DNS Names: mx.ruet.ac.bd Certificate Signature Algorithm: SHA256-RSA Certificate Signature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

103.28.121.41:995

995 pop3s

103.28.121.41 103.28.121.41

country Bangladesh / Dhaka / Dhaka

ASN: 63961

Organization: Bangladesh Research and Education Network BdREN

2025-01-05

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+OK Dovecot ready.

Issuer

Organization:Let's Encrypt

CommonName:R10

Validity

ValidType:

Subject

Organization:

CommonName:mx.ruet.ac.bd

Version: v3 Serial Number: 421641028268455836890698409984368879760767 Signature Algorithm: SHA256-RSA Issuer: Country: US Organization: Let's Encrypt CommonName: R10 Validity: Not Before: 2024-11-03 20:33 UTC Not After : 2025-02-01 20:33 UTC Subject: CommonName: mx.ruet.ac.bd Subject Public Key Info: Public Key Algorithm: RSA Public Key: Exponent: 65537 Public Key Modulus: (2048 bits) : FB:D7:57:3F:44:90:1A:9E:7B:34:B7:40:78:F6:8E:CB: 0F:F1:00:D3:AD:CA:DB:2F:DC:85:4A:7A:36:73:B6:78: CA:57:A0:CD:FA:D8:D7:B5:88:72:9B:77:83:9D:B0:E9: 70:7A:66:39:D5:07:7A:A7:F2:78:66:CC:22:2A:BB:30: E9:69:FD:77:1E:C7:76:58:E5:75:30:F3:FD:A3:D4:61: 37:C6:8A:56:72:04:C1:4D:F6:5B:EC:0A:F3:9C:3B:B6: 82:E6:35:07:2D:88:F9:81:70:DF:3C:64:95:FE:0A:CA: 85:BB:3A:BB:3E:09:D7:1F:F8:76:ED:BA:B1:5C:D1:36: 0A:7B:2A:85:F1:1C:27:67:BF:35:8F:3C:E0:F1:89:A6: 6B:98:D5:3C:97:3B:02:42:D9:81:4B:F9:80:19:7A:1F: BE:08:7F:97:5D:22:19:FF:2B:9F:EF:1E:8C:6E:77:6B: 5B:6D:A7:79:A3:22:67:BC:DE:16:93:CB:EF:3E:9B:B8: 16:93:42:29:B6:2C:F5:76:05:E8:D2:DD:B1:ED:41:B0: 29:ED:10:F6:1D:52:88:DE:2D:FA:15:6C:AD:91:32:DE: 6E:DE:17:B6:8D:9A:F1:6C:F9:81:E5:A7:30:53:7B:37: 2E:E9:A0:D1:A6:DA:1F:D8:3A:57:7C:2C:2B:74:BF:7B Authority Key Identifier: BB:BC:C3:47:A5:E4:BC:A9:C6:C3:A4:72:0C:10:8D:A2:35:E1:C8:E8 Subject Key Identifier: 8E:7D:AE:D6:4C:58:7E:FD:4D:61:1E:F0:75:A2:26:E5:CB:F2:1A:8F Basic Constraints: CA : false Path Length Constraint: UNLIMITED OCSP Server: http://r10.o.lencr.org Issuing Certificate URL: http://r10.i.lencr.org/ Key Usage: Digital Signature Key Encipherment Extended Key Usage: Server Auth Client Auth DNS Names: mx.ruet.ac.bd Certificate Signature Algorithm: SHA256-RSA Certificate Signature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

https://103.28.121.41

443 https

103.28.121.41 103.28.121.41

country Bangladesh / Dhaka / Dhaka

ASN: 63961

Organization: Bangladesh Research and Education Network BdREN

2025-01-04

nginx

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HTTP/1.1 200 OK Server: nginx Date: Sat, 04 Jan 2025 14:38:15 GMT Content-Type: text/html Content-Length: 78 Last-Modified: Mon, 14 May 2018 06:22:51 GMT Connection: keep-alive ETag: "5af92b3b-4e" Accept-Ranges: bytes

Issuer

Organization:Let's Encrypt

CommonName:R11

Validity

ValidType:

Subject

Organization:

CommonName:mx.ruet.ac.bd

Version: v3 Serial Number: 401975781695726454712656665269436415328366 Signature Algorithm: SHA256-RSA Issuer: Country: US Organization: Let's Encrypt CommonName: R11 Validity: Not Before: 2025-01-02 20:23 UTC Not After : 2025-04-02 20:23 UTC Subject: CommonName: mx.ruet.ac.bd Subject Public Key Info: Public Key Algorithm: RSA Public Key: Exponent: 65537 Public Key Modulus: (2048 bits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uthority Key Identifier: C5:CF:46:A4:EA:F4:C3:C0:7A:6C:95:C4:2D:B0:5E:92:2F:26:E3:B9 Subject Key Identifier: B3:FA:CE:4F:8A:77:CB:89:4C:0A:23:A1:15:62:28:D6:ED:9B:13:7A Basic Constraints: CA : false Path Length Constraint: UNLIMITED OCSP Server: http://r11.o.lencr.org Issuing Certificate URL: http://r11.i.lencr.org/ Key Usage: Digital Signature Key Encipherment Extended Key Usage: Server Auth Client Auth DNS Names: mx.ruet.ac.bd Certificate Signature Algorithm: SHA256-RSA Certificate Signature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

103.28.121.41:25

25 smtp

103.28.121.41 103.28.121.41

country Bangladesh / Dhaka / Dhaka

ASN: 63961

Organization: Bangladesh Research and Education Network BdREN

2025-01-04

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220-mx.ruet.ac.bd ESMTP Postfix 521 5.5.1 Protocol error

103.28.121.41:110

110 pop3

103.28.121.41 103.28.121.41

country Bangladesh / Dhaka / Dhaka

ASN: 63961

Organization: Bangladesh Research and Education Network BdREN

2025-01-03

Banner

+OK Dovecot ready.

103.28.121.41:143

143 imap

103.28.121.41 103.28.121.41

country Bangladesh / Dhaka / Dhaka

ASN: 63961

Organization: Bangladesh Research and Education Network BdREN

2025-01-02

Banner

* OK [CAPABILITY IMAP4rev1 LITERAL+ SASL-IR LOGIN-REFERRALS ID ENABLE IDLE STARTTLS LOGINDISABLED] Dovecot ready.

103.28.121.41:993

993 imap

103.28.121.41 103.28.121.41

country Bangladesh / Dhaka / Dhaka

ASN: 63961

Organization: Bangladesh Research and Education Network BdREN

2025-01-01

Banner

* OK [CAPABILITY IMAP4rev1 LITERAL+ SASL-IR LOGIN-REFERRALS ID ENABLE IDLE AUTH=PLAIN AUTH=LOGIN] Dovecot ready.

Issuer

Organization:Let's Encrypt

CommonName:R10

Validity

ValidType:

Subject

Organization:

CommonName:mx.ruet.ac.bd

Version: v3 Serial Number: 421641028268455836890698409984368879760767 Signature Algorithm: SHA256-RSA Issuer: Country: US Organization: Let's Encrypt CommonName: R10 Validity: Not Before: 2024-11-03 20:33 UTC Not After : 2025-02-01 20:33 UTC Subject: CommonName: mx.ruet.ac.bd Subject Public Key Info: Public Key Algorithm: RSA Public Key: Exponent: 65537 Public Key Modulus: (2048 bits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uthority Key Identifier: BB:BC:C3:47:A5:E4:BC:A9:C6:C3:A4:72:0C:10:8D:A2:35:E1:C8:E8 Subject Key Identifier: 8E:7D:AE:D6:4C:58:7E:FD:4D:61:1E:F0:75:A2:26:E5:CB:F2:1A:8F Basic Constraints: CA : false Path Length Constraint: UNLIMITED OCSP Server: http://r10.o.lencr.org Issuing Certificate URL: http://r10.i.lencr.org/ Key Usage: Digital Signature Key Encipherment Extended Key Usage: Server Auth Client Auth DNS Names: mx.ruet.ac.bd Certificate Signature Algorithm: SHA256-RSA Certificate Signature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

103.28.121.41:587

587 smtp

103.28.121.41 103.28.121.41

country Bangladesh / Dhaka / Dhaka

ASN: 63961

Organization: Bangladesh Research and Education Network BdREN

2024-12-31

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220 mx.ruet.ac.bd ESMTP Postfix 250-mx.ruet.ac.bd 250-PIPELINING 250-SIZE 15728640 250-ETRN 250-STARTTLS 250-ENHANCEDSTATUSCODES 250-8BITMIME 250 DSN 502 5.5.2 Error: command not recognized

103.28.121.41:22

22 ssh

103.28.121.41 103.28.121.41

country Bangladesh / Dhaka / Dhaka

ASN: 63961

Organization: Bangladesh Research and Education Network BdREN

2024-12-30

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SSH-2.0-OpenSSH_7.4

103.28.121.41

80 http

103.28.121.41 103.28.121.41

country Bangladesh / Dhaka / Dhaka

ASN: 63961

Organization: Bangladesh Research and Education Network BdREN

2024-12-28

nginx

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HTTP/1.1 301 Moved Permanently Server: nginx Date: Sat, 28 Dec 2024 13:16:11 GMT Content-Type: text/html Content-Length: 178 Connection: keep-alive Location: https://103.28.121.41/