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12.34.56.789

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*.niu.edu.tw
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TWCA Secure SSL Certification Authority
Valid Until
11/18/2026
Sending IPs
IP Address    Hostname Volume    Sender Score   
40.107.44.72 mail-koreacentralazon11023072.outbound.protection.outlook.com. VERY HIGH 39
40.107.44.74 mail-koreacentralazon11023074.outbound.protection.outlook.com. VERY HIGH 39
40.107.44.75 mail-koreacentralazon11023075.outbound.protection.outlook.com. VERY HIGH 24
40.107.44.79 mail-koreacentralazon11023079.outbound.protection.outlook.com. VERY HIGH 11
40.107.44.80 mail-koreacentralazon11023080.outbound.protection.outlook.com. VERY HIGH 38
40.107.44.81 mail-koreacentralazon11023081.outbound.protection.outlook.com. VERY HIGH 19
40.107.44.82 mail-koreacentralazon11023082.outbound.protection.outlook.com. VERY HIGH 35
40.107.44.86 mail-koreacentralazon11023086.outbound.protection.outlook.com. VERY HIGH 19
40.107.44.90 mail-koreacentralazon11023090.outbound.protection.outlook.com. VERY HIGH 7
40.107.44.94 mail-koreacentralazon11023094.outbound.protection.outlook.com. VERY HIGH 15
40.107.44.96 mail-koreacentralazon11023096.outbound.protection.outlook.com. VERY HIGH 15
40.107.44.97 mail-koreacentralazon11023097.outbound.protection.outlook.com. VERY HIGH 7
40.107.44.98 mail-koreacentralazon11023098.outbound.protection.outlook.com. VERY HIGH 19
40.107.44.100 mail-koreacentralazon11023100.outbound.protection.outlook.com. VERY HIGH 9
40.107.44.101 mail-koreacentralazon11023101.outbound.protection.outlook.com. VERY HIGH 14
40.107.44.103 mail-koreacentralazon11023103.outbound.protection.outlook.com. VERY HIGH 19
40.107.44.104 mail-koreacentralazon11023104.outbound.protection.outlook.com. VERY HIGH 11
40.107.44.105 mail-koreacentralazon11023105.outbound.protection.outlook.com. VERY HIGH 24
40.107.44.109 mail-koreacentralazon11023109.outbound.protection.outlook.com. VERY HIGH 15
40.107.44.112 mail-koreacentralazon11023112.outbound.protection.outlook.com. VERY HIGH 17
40.107.44.113 mail-koreacentralazon11023113.outbound.protection.outlook.com. VERY HIGH 4
40.107.44.117 mail-koreacentralazon11023117.outbound.protection.outlook.com. VERY HIGH 6
40.107.44.121 mail-koreacentralazon11023121.outbound.protection.outlook.com. VERY HIGH 14
40.107.44.123 mail-koreacentralazon11023123.outbound.protection.outlook.com. VERY HIGH 15
40.107.44.124 mail-koreacentralazon11023124.outbound.protection.outlook.com. VERY HIGH 10
40.107.44.125 mail-koreacentralazon11023125.outbound.protection.outlook.com. VERY HIGH 11
40.107.44.126 mail-koreacentralazon11023126.outbound.protection.outlook.com. VERY HIGH 20
40.107.44.131 mail-koreacentralazon11023131.outbound.protection.outlook.com. VERY HIGH 15
40.107.44.133 mail-koreacentralazon11023133.outbound.protection.outlook.com. VERY HIGH 18
40.107.44.135 mail-koreacentralazon11023135.outbound.protection.outlook.com. VERY HIGH 18
40.107.44.137 mail-koreacentralazon11023137.outbound.protection.outlook.com. VERY HIGH 19
40.107.44.138 mail-koreacentralazon11023138.outbound.protection.outlook.com. VERY HIGH 15
40.107.44.139 mail-koreacentralazon11023139.outbound.protection.outlook.com. VERY HIGH 17
40.107.44.141 mail-koreacentralazon11023141.outbound.protection.outlook.com. VERY HIGH 15
40.107.44.142 mail-koreacentralazon11023142.outbound.protection.outlook.com. VERY HIGH 11
40.107.75.72 mail-japanwestazon11022072.outbound.protection.outlook.com. VERY HIGH 19
40.107.75.74 mail-japanwestazon11022074.outbound.protection.outlook.com. VERY HIGH 20
40.107.75.75 mail-japanwestazon11022075.outbound.protection.outlook.com. VERY HIGH 42
40.107.75.76 mail-japanwestazon11022076.outbound.protection.outlook.com. VERY HIGH 41
40.107.75.79 mail-japanwestazon11022079.outbound.protection.outlook.com. VERY HIGH 18
40.107.75.81 mail-japanwestazon11022081.outbound.protection.outlook.com. VERY HIGH 8
40.107.75.83 mail-japanwestazon11022083.outbound.protection.outlook.com. VERY HIGH 17
40.107.75.86 mail-japanwestazon11022086.outbound.protection.outlook.com. VERY HIGH 9
40.107.75.87 mail-japanwestazon11022087.outbound.protection.outlook.com. VERY HIGH 19
40.107.75.89 mail-japanwestazon11022089.outbound.protection.outlook.com. VERY HIGH 18
40.107.75.90 mail-japanwestazon11022090.outbound.protection.outlook.com. VERY HIGH 13
40.107.75.95 mail-japanwestazon11022095.outbound.protection.outlook.com. VERY HIGH 42
40.107.75.96 mail-japanwestazon11022096.outbound.protection.outlook.com. VERY HIGH 13
40.107.75.99 mail-japanwestazon11022099.outbound.protection.outlook.com. VERY HIGH 8
40.107.75.102 mail-japanwestazon11022102.outbound.protection.outlook.com. VERY HIGH 16
40.107.75.103 mail-japanwestazon11022103.outbound.protection.outlook.com. VERY HIGH 30
40.107.75.105 mail-japanwestazon11022105.outbound.protection.outlook.com. VERY HIGH 18
40.107.75.107 mail-japanwestazon11022107.outbound.protection.outlook.com. VERY HIGH 41
40.107.75.108 mail-japanwestazon11022108.outbound.protection.outlook.com. VERY HIGH 19
40.107.75.109 mail-japanwestazon11022109.outbound.protection.outlook.com. VERY HIGH 12
40.107.75.110 mail-japanwestazon11022110.outbound.protection.outlook.com. VERY HIGH 19
40.107.75.111 mail-japanwestazon11022111.outbound.protection.outlook.com. VERY HIGH 18
40.107.75.112 mail-japanwestazon11022112.outbound.protection.outlook.com. VERY HIGH 18
40.107.75.113 mail-japanwestazon11022113.outbound.protection.outlook.com. VERY HIGH 10
40.107.75.114 mail-japanwestazon11022114.outbound.protection.outlook.com. VERY HIGH 16
40.107.75.115 mail-japanwestazon11022115.outbound.protection.outlook.com. VERY HIGH 18
40.107.75.117 mail-japanwestazon11022117.outbound.protection.outlook.com. VERY HIGH 3
40.107.75.118 mail-japanwestazon11022118.outbound.protection.outlook.com. VERY HIGH 30
40.107.75.123 mail-japanwestazon11022123.outbound.protection.outlook.com. VERY HIGH 20
40.107.75.127 mail-japanwestazon11022127.outbound.protection.outlook.com. VERY HIGH 15
40.107.75.130 mail-japanwestazon11022130.outbound.protection.outlook.com. VERY HIGH 18
40.107.75.131 mail-japanwestazon11022131.outbound.protection.outlook.com. VERY HIGH 41
40.107.75.133 mail-japanwestazon11022133.outbound.protection.outlook.com. VERY HIGH 18
40.107.75.137 mail-japanwestazon11022137.outbound.protection.outlook.com. VERY HIGH 15
40.107.75.138 mail-japanwestazon11022138.outbound.protection.outlook.com. VERY HIGH 15
40.107.75.142 mail-japanwestazon11022142.outbound.protection.outlook.com. VERY HIGH 15
40.107.75.143 mail-japanwestazon11022143.outbound.protection.outlook.com. VERY HIGH 9
52.101.126.72 mail-japaneastazon11022072.outbound.protection.outlook.com. VERY HIGH 5
52.101.126.74 mail-japaneastazon11022074.outbound.protection.outlook.com. VERY HIGH 16
52.101.126.75 mail-japaneastazon11022075.outbound.protection.outlook.com. VERY HIGH 12
52.101.126.76 mail-japaneastazon11022076.outbound.protection.outlook.com. VERY HIGH 13
52.101.126.77 mail-japaneastazon11022077.outbound.protection.outlook.com. VERY HIGH 13
52.101.126.78 mail-japaneastazon11022078.outbound.protection.outlook.com. VERY HIGH 19
52.101.126.79 mail-japaneastazon11022079.outbound.protection.outlook.com. VERY HIGH 8
52.101.126.80 mail-japaneastazon11022080.outbound.protection.outlook.com. VERY HIGH 10
52.101.126.81 mail-japaneastazon11022081.outbound.protection.outlook.com. VERY HIGH 9
52.101.126.84 mail-japaneastazon11022084.outbound.protection.outlook.com. VERY HIGH 41
52.101.126.86 mail-japaneastazon11022086.outbound.protection.outlook.com. VERY HIGH 18
52.101.126.88 mail-japaneastazon11022088.outbound.protection.outlook.com. VERY HIGH 41
52.101.126.91 mail-japaneastazon11022091.outbound.protection.outlook.com. VERY HIGH 5
52.101.126.92 mail-japaneastazon11022092.outbound.protection.outlook.com. VERY HIGH 8
52.101.126.93 mail-japaneastazon11022093.outbound.protection.outlook.com. VERY HIGH 19
52.101.126.94 mail-japaneastazon11022094.outbound.protection.outlook.com. VERY HIGH 19
52.101.126.95 mail-japaneastazon11022095.outbound.protection.outlook.com. VERY HIGH 15
52.101.126.96 mail-japaneastazon11022096.outbound.protection.outlook.com. VERY HIGH 20
52.101.126.97 mail-japaneastazon11022097.outbound.protection.outlook.com. VERY HIGH 20
52.101.126.98 mail-japaneastazon11022098.outbound.protection.outlook.com. VERY HIGH 13
52.101.126.99 mail-japaneastazon11022099.outbound.protection.outlook.com. VERY HIGH 9
52.101.126.100 mail-japaneastazon11022100.outbound.protection.outlook.com. VERY HIGH 7
52.101.126.101 mail-japaneastazon11022101.outbound.protection.outlook.com. VERY HIGH 41
52.101.126.103 mail-japaneastazon11022103.outbound.protection.outlook.com. VERY HIGH 41
52.101.126.104 mail-japaneastazon11022104.outbound.protection.outlook.com. VERY HIGH 6
52.101.126.107 mail-japaneastazon11022107.outbound.protection.outlook.com. VERY HIGH 6
52.101.126.108 mail-japaneastazon11022108.outbound.protection.outlook.com. VERY HIGH 14
52.101.126.110 mail-japaneastazon11022110.outbound.protection.outlook.com. VERY HIGH 2
52.101.126.112 mail-japaneastazon11022112.outbound.protection.outlook.com. VERY HIGH 9
52.101.126.113 mail-japaneastazon11022113.outbound.protection.outlook.com. VERY HIGH 11
52.101.126.116 mail-japaneastazon11022116.outbound.protection.outlook.com. VERY HIGH 11
52.101.126.118 mail-japaneastazon11022118.outbound.protection.outlook.com. VERY HIGH 16
52.101.126.119 mail-japaneastazon11022119.outbound.protection.outlook.com. VERY HIGH 18
52.101.126.120 mail-japaneastazon11022120.outbound.protection.outlook.com. VERY HIGH 29
52.101.126.121 mail-japaneastazon11022121.outbound.protection.outlook.com. VERY HIGH 15
52.101.126.122 mail-japaneastazon11022122.outbound.protection.outlook.com. VERY HIGH 26
52.101.126.123 mail-japaneastazon11022123.outbound.protection.outlook.com. VERY HIGH 19
52.101.126.127 mail-japaneastazon11022127.outbound.protection.outlook.com. VERY HIGH 20
52.101.126.128 mail-japaneastazon11022128.outbound.protection.outlook.com. VERY HIGH 18
52.101.126.129 mail-japaneastazon11022129.outbound.protection.outlook.com. VERY HIGH 15
52.101.126.132 mail-japaneastazon11022132.outbound.protection.outlook.com. VERY HIGH 18
52.101.126.134 mail-japaneastazon11022134.outbound.protection.outlook.com. VERY HIGH 18
52.101.126.139 mail-japaneastazon11022139.outbound.protection.outlook.com. VERY HIGH 15
52.101.126.142 mail-japaneastazon11022142.outbound.protection.outlook.com. VERY HIGH 6
52.101.126.143 mail-japaneastazon11022143.outbound.protection.outlook.com. VERY HIGH 6
52.101.127.72 mail-japaneastazon11023072.outbound.protection.outlook.com. VERY HIGH 9
52.101.127.74 mail-japaneastazon11023074.outbound.protection.outlook.com. VERY HIGH 8
52.101.127.75 mail-japaneastazon11023075.outbound.protection.outlook.com. VERY HIGH 18
52.101.127.76 mail-japaneastazon11023076.outbound.protection.outlook.com. VERY HIGH 12
52.101.127.79 mail-japaneastazon11023079.outbound.protection.outlook.com. VERY HIGH 10
52.101.127.82 mail-japaneastazon11023082.outbound.protection.outlook.com. VERY HIGH 19
52.101.127.84 mail-japaneastazon11023084.outbound.protection.outlook.com. VERY HIGH 16
52.101.127.85 mail-japaneastazon11023085.outbound.protection.outlook.com. VERY HIGH 29
52.101.127.88 mail-japaneastazon11023088.outbound.protection.outlook.com. VERY HIGH 20
52.101.127.89 mail-japaneastazon11023089.outbound.protection.outlook.com. VERY HIGH 17
52.101.127.92 mail-japaneastazon11023092.outbound.protection.outlook.com. VERY HIGH 8
52.101.127.93 mail-japaneastazon11023093.outbound.protection.outlook.com. VERY HIGH 7
52.101.127.95 mail-japaneastazon11023095.outbound.protection.outlook.com. VERY HIGH 15
52.101.127.96 mail-japaneastazon11023096.outbound.protection.outlook.com. VERY HIGH 20
52.101.127.97 mail-japaneastazon11023097.outbound.protection.outlook.com. VERY HIGH 10
52.101.127.101 mail-japaneastazon11023101.outbound.protection.outlook.com. VERY HIGH 18
52.101.127.102 mail-japaneastazon11023102.outbound.protection.outlook.com. VERY HIGH 5
52.101.127.103 mail-japaneastazon11023103.outbound.protection.outlook.com. VERY HIGH 18
52.101.127.105 mail-japaneastazon11023105.outbound.protection.outlook.com. VERY HIGH 18
52.101.127.108 mail-japaneastazon11023108.outbound.protection.outlook.com. VERY HIGH 16
52.101.127.109 mail-japaneastazon11023109.outbound.protection.outlook.com. VERY HIGH 14
52.101.127.111 mail-japaneastazon11023111.outbound.protection.outlook.com. VERY HIGH 18
52.101.127.113 mail-japaneastazon11023113.outbound.protection.outlook.com. VERY HIGH 15
52.101.127.114 mail-japaneastazon11023114.outbound.protection.outlook.com. VERY HIGH 20
52.101.127.118 mail-japaneastazon11023118.outbound.protection.outlook.com. VERY HIGH 41
52.101.127.121 mail-japaneastazon11023121.outbound.protection.outlook.com. VERY HIGH 19
52.101.127.122 mail-japaneastazon11023122.outbound.protection.outlook.com. VERY HIGH 20
52.101.127.123 mail-japaneastazon11023123.outbound.protection.outlook.com. VERY HIGH 20
52.101.127.124 mail-japaneastazon11023124.outbound.protection.outlook.com. VERY HIGH 7
52.101.127.126 mail-japaneastazon11023126.outbound.protection.outlook.com. VERY HIGH 11
52.101.127.127 mail-japaneastazon11023127.outbound.protection.outlook.com. VERY HIGH 15
52.101.127.128 mail-japaneastazon11023128.outbound.protection.outlook.com. VERY HIGH 14
52.101.127.129 mail-japaneastazon11023129.outbound.protection.outlook.com. VERY HIGH 15
52.101.127.130 mail-japaneastazon11023130.outbound.protection.outlook.com. VERY HIGH 17
52.101.127.131 mail-japaneastazon11023131.outbound.protection.outlook.com. VERY HIGH 6
52.101.127.133 mail-japaneastazon11023133.outbound.protection.outlook.com. VERY HIGH 42
52.101.127.134 mail-japaneastazon11023134.outbound.protection.outlook.com. VERY HIGH 30
52.101.127.136 mail-japaneastazon11023136.outbound.protection.outlook.com. VERY HIGH 11
52.101.127.137 mail-japaneastazon11023137.outbound.protection.outlook.com. VERY HIGH 42
52.101.127.138 mail-japaneastazon11023138.outbound.protection.outlook.com. VERY HIGH 41
52.101.127.139 mail-japaneastazon11023139.outbound.protection.outlook.com. VERY HIGH 41
52.101.127.141 mail-japaneastazon11023141.outbound.protection.outlook.com. VERY HIGH 32
52.101.127.142 mail-japaneastazon11023142.outbound.protection.outlook.com. VERY HIGH 12
52.101.127.143 mail-japaneastazon11023143.outbound.protection.outlook.com. VERY HIGH 14
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