IPLIST.NET - csu.cuhk.edu.hk

Search for IP or hostnames:

csu.cuhk.edu.hk checked at 2025-10-29T08:45:44.727Z 261ms 120/120/120 100% R:16

`csu.cuhk.edu.hk`

NS	`dns1.cuhk.edu.hk`
		A	2405:3000:3:118::10d ^{🇭🇰 The Chinese University of Hong Kong AS 3661}
			PTR	`dns1.cuhk.edu.hk`
		A	137.189.10.13^{🇭🇰 The Chinese University of Hong Kong AS 3661}
			PTR	`dns1.cuhk.edu.hk`
NS	`dns2.cuhk.edu.hk`
		A	2405:3000:3:6::16 ^{🇭🇰 The Chinese University of Hong Kong AS 3661}
			PTR	`dns2.cuhk.edu.hk`
		A	137.189.6.22^{🇭🇰 The Chinese University of Hong Kong AS 3661}
			PTR	`dns2.cuhk.edu.hk`
MX	`alt1.ap.email.fireeyecloud.com`
		A	3.112.99.0^{🇯🇵 Amazon}
			PTR	`mx.ap.email.fireeyecloud.com`
		A	3.112.99.1^{🇯🇵 Amazon}
			PTR	`mx.ap.email.fireeyecloud.com`
		A	3.112.99.2^{🇯🇵 Amazon}
			PTR	`mx.ap.email.fireeyecloud.com`
MX	`alt2.ap.email.fireeyecloud.com`
		A	3.112.99.0^{🇯🇵 Amazon}
			PTR	`mx.ap.email.fireeyecloud.com`
		A	3.112.99.1^{🇯🇵 Amazon}
			PTR	`mx.ap.email.fireeyecloud.com`
		A	3.112.99.2^{🇯🇵 Amazon}
			PTR	`mx.ap.email.fireeyecloud.com`
MX	`alt3.ap.email.fireeyecloud.com`
		A	3.112.99.0^{🇯🇵 Amazon}
			PTR	`mx.ap.email.fireeyecloud.com`
		A	3.112.99.1^{🇯🇵 Amazon}
			PTR	`mx.ap.email.fireeyecloud.com`
		A	3.112.99.2^{🇯🇵 Amazon}
			PTR	`mx.ap.email.fireeyecloud.com`
MX	`primary.ap.email.fireeyecloud.com`
		A	3.112.99.0^{🇯🇵 Amazon}
			PTR	`mx.ap.email.fireeyecloud.com`
		A	3.112.99.1^{🇯🇵 Amazon}
			PTR	`mx.ap.email.fireeyecloud.com`
		A	3.112.99.2^{🇯🇵 Amazon}
			PTR	`mx.ap.email.fireeyecloud.com`

`cuhk.edu.hk`

	NS	`ns4.gdnsdef.com`
	NS	`ns4.gdnsec.com`
	NS	`anyns.cuhk.edu.hk`
	NS	`dns1.cuhk.edu.hk`
	NS	`dns2.cuhk.edu.hk`
	MX	`cuhk-st.in.tmes.trendmicro.com`
	A	27.126.235.25^{🇭🇰 Nexusguard}

rank #2187 globally
rank #3 in the tld
This domain name represents the official website for The Chinese University of Hong Kong (CUHK), a public research university in Shatin, Hong Kong.

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AI analysis

csu.cuhk.edu.hk's delegation uses two name servers: dns1.cuhk.edu.hk and dns2.cuhk.edu.hk.

csu.cuhk.edu.hk uses the same name server setup as other domains, such as cco.cuhk.edu.hk, 18.189.137.in-addr.arpa, 22.189.137.in-addr.arpa, 8.189.137.in-addr.arpa and bur.cuhk.edu.hk.

csu.cuhk.edu.hk at least partially shares name servers with other domains, including cuhk.hk, cuhk.edu.hk, hkix.net, 2.189.137.in-addr.arpa and dro.cuhk.edu.hk.

These name servers are commonly used with anyns.cuhk.edu.hk.

Host names with two IPs:

dns1.cuhk.edu.hk points to 2405:3000:3:118::10d and 137.189.10.13

dns2.cuhk.edu.hk points to 2405:3000:3:6::16 and 137.189.6.22

csu.cuhk.edu.hk is handled by four mail servers: alt1.ap.email.fireeyecloud.com, alt2.ap.email.fireeyecloud.com, alt3.ap.email.fireeyecloud.com and primary.ap.email.fireeyecloud.com.

csu.cuhk.edu.hk shares at least some mail servers with other domains, for example ogsp.jp, mx01.osakagas.co.jp, asiamost.com.my, toho-kasei.co.jp and bdo.com.ph.

These mail servers are often used together with the mail servers alt4.ap.email.fireeyecloud.com.

Hostnames with three IPs

Hostname alt1.ap.email.fireeyecloud.com resolves to 3.112.99.0, 3.112.99.1 and 3.112.99.2.

Hostname alt2.ap.email.fireeyecloud.com resolves to 3.112.99.0, 3.112.99.1 and 3.112.99.2.

Hostname alt3.ap.email.fireeyecloud.com resolves to 3.112.99.0, 3.112.99.1 and 3.112.99.2.

Hostname primary.ap.email.fireeyecloud.com resolves to 3.112.99.0, 3.112.99.1 and 3.112.99.2.

Hostnames resolving to 3.112.99.0: alt1.ap.email.fireeyecloud.com, alt2.ap.email.fireeyecloud.com, alt3.ap.email.fireeyecloud.com and primary.ap.email.fireeyecloud.com.

Hostnames resolving to 3.112.99.1: alt1.ap.email.fireeyecloud.com, alt2.ap.email.fireeyecloud.com, alt3.ap.email.fireeyecloud.com and primary.ap.email.fireeyecloud.com.

Hostnames resolving to 3.112.99.2: alt1.ap.email.fireeyecloud.com, alt2.ap.email.fireeyecloud.com, alt3.ap.email.fireeyecloud.com and primary.ap.email.fireeyecloud.com.

dbq