WWW.RTSAK.COM - sd.polyu.edu.hk

Search for IP or hostnames:

sd.polyu.edu.hk checked at 2025-11-09T09:23:57.513Z 1264ms 115/115/115 100% R:13

`sd.polyu.edu.hk`

MX	`aspmx2.googlemail.com`
		A	2a00:1450:4013:c1e::1a ^{🇳🇱 Google}
			PTR	`yugrqzs-in-f26.1e100.net`
		A	192.178.213.27^{🇺🇸 Google}
			PTR	`yugrqzs-in-f27.1e100.net`
MX	`aspmx3.googlemail.com`
		A	2a00:1450:4025:c01::1a ^{🇵🇱 Google}
			PTR	`rd-in-f26.1e100.net`
		A	142.250.147.26^{🇺🇸 Google}
			PTR	`rd-in-f26.1e100.net`
MX	`aspmx4.googlemail.com`
		A	2a00:1450:4010:c0e::1b ^{🇫🇮 Google}
			PTR	`lu-in-f27.1e100.net`
			PTR	`lu-in-x1b.1e100.net`
		A	74.125.131.26^{🇺🇸 Google}
			PTR	`lu-in-f26.1e100.net`
MX	`aspmx5.googlemail.com`
		A	2404:6800:4003:c06::1a ^{🇸🇬 Google}
			PTR	`sm-in-f26.1e100.net`
		A	142.250.4.27^{🇺🇸 Google}
			PTR	`sm-in-f27.1e100.net`
MX	`aspmx.l.google.com`
		A	2607:f8b0:4023:c0b::1b ^{🇺🇸 Google}
			PTR	`dd-in-f27.1e100.net`
		A	142.250.141.27^{🇺🇸 Google}
			PTR	`dd-in-f27.1e100.net`
MX	`alt1.aspmx.l.google.com`
		A	2607:f8b0:4023:100f::1a ^{🇺🇸 Google}
			PTR	`yudfwra-in-f26.1e100.net`
		A	192.178.220.26^{🇺🇸 Google}
			PTR	`yudfwra-in-f26.1e100.net`
MX	`alt2.aspmx.l.google.com`
		A	2607:f8b0:4023:1015::1a ^{🇺🇸 Google}
			PTR	`yudfwta-in-f26.1e100.net`
		A	172.253.135.26^{🇺🇸 Google}
			PTR	`yudfwta-in-f26.1e100.net`
A	158.132.48.77^{🇭🇰 PolyUniversity}

`polyu.edu.hk`

	NS	`ns3.polyu.edu.hk`
	NS	`ns4.polyu.edu.hk`
	MX	`polyu-edu-hk.mail.protection.outlook.com`
	A	158.132.48.76^{🇭🇰 PolyUniversity}
	A	158.132.82.94^{🇭🇰 PolyUniversity}

rank #6266 globally
rank #9 in the tld
This domain name represents the official website of the Hong Kong Polytechnic University (PolyU). PolyU is a public research university located in Hong Kong, offering a wide range of academic courses and research opportunities. The ".edu" part of the domain signifies that this website belongs to an educational institution, while ".hk" indicates that it is based in Hong Kong.

Up

myweb.sd.polyu.edu.hk

learning.sd.polyu.edu.hk

www.sd.polyu.edu.hk

myftp.sd.polyu.edu.hk

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AI analysis

sd.polyu.edu.hk is a parent of myweb.sd.polyu.edu.hk, learning.sd.polyu.edu.hk, www.sd.polyu.edu.hk and myftp.sd.polyu.edu.hk.

sd.polyu.edu.hk resolves to one IP number: 158.132.48.77.

Other host names, for instance www.sd.polyu.edu.hk, www.cse.polyu.edu.hk and web01.fhss.polyu.edu.hk share IP numbers with sd.polyu.edu.hk.

sd.polyu.edu.hk is handled by seven mail servers: aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx4.googlemail.com, aspmx5.googlemail.com, aspmx.l.google.com, alt1.aspmx.l.google.com and alt2.aspmx.l.google.com.

sd.polyu.edu.hk shares some mail servers with other domains, at least partially, for instance acoustex.com, primesun.com, versantehotel.com, gentlemansdrive.com and takeawayweb.com.

These mail servers are commonly used alongside alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.

Host names with two IP numbers:

aspmx2.googlemail.com points to: 2a00:1450:4013:c1e::1a and 192.178.213.27.

aspmx3.googlemail.com points to: 2a00:1450:4025:c01::1a and 142.250.147.26.

aspmx4.googlemail.com points to: 2a00:1450:4010:c0e::1b and 74.125.131.26.

aspmx5.googlemail.com points to: 2404:6800:4003:c06::1a and 142.250.4.27.

aspmx.l.google.com points to: 2607:f8b0:4023:c0b::1b and 142.250.141.27.

alt1.aspmx.l.google.com points to: 2607:f8b0:4023:100f::1a and 192.178.220.26.

alt2.aspmx.l.google.com points to: 2607:f8b0:4023:1015::1a and 172.253.135.26.

dbq