CF1763439824353-tsm20251116095642

DNSWHOIS.INFO - cognitiohk.edu.hk

Search for IP or hostnames:

cognitiohk.edu.hk checked at 2025-11-18T04:23:44.306Z 2488ms 156/156/156 100% R:14 allDone:true timedOut:false

cognitiohk.edu.hk

NSjohn.ns.cloudflare.com
A2606:4700:58::adf5:3bb9 🇺🇸 Cloudflare
PTRjohn.ns.cloudflare.com
A2803:f800:50::6ca2:c1b9 🇨🇷 Cloudflare
PTRjohn.ns.cloudflare.com
A2a06:98c1:50::ac40:21b9 🇺🇸 Cloudflare
PTRjohn.ns.cloudflare.com
A108.162.193.185🇺🇸 Cloudflare
PTRjohn.ns.cloudflare.com
A172.64.33.185🇺🇸 Cloudflare
PTRjohn.ns.cloudflare.com
A173.245.59.185🇺🇸 Cloudflare
PTRjohn.ns.cloudflare.com
NSmeg.ns.cloudflare.com
A2606:4700:50::adf5:3ac4 🇺🇸 Cloudflare
PTRmeg.ns.cloudflare.com
A2803:f800:50::6ca2:c0c4 🇨🇷 Cloudflare
PTRmeg.ns.cloudflare.com
A2a06:98c1:50::ac40:20c4 🇺🇸 Cloudflare
PTRmeg.ns.cloudflare.com
A108.162.192.196🇺🇸 Cloudflare
PTRmeg.ns.cloudflare.com
A172.64.32.196🇺🇸 Cloudflare
PTRmeg.ns.cloudflare.com
A173.245.58.196🇺🇸 Cloudflare
PTRmeg.ns.cloudflare.com
MXaspmx.l.google.com
A2607:f8b0:4004:c06::1a 🇺🇸 Google
PTRbg-in-f26.1e100.net
A172.253.115.27🇺🇸 Google
PTRbg-in-f27.1e100.net
MXalt1.aspmx.l.google.com
A2a00:1450:400b:c02::1a 🇮🇪 Google
PTRdj-in-f26.1e100.net
A172.253.116.26🇺🇸 Google
PTRdj-in-f26.1e100.net
MXalt2.aspmx.l.google.com
A2a00:1450:400c:c00::1a 🇧🇪 Google
PTRws-in-f26.1e100.net
PTRws-in-x1a.1e100.net
A173.194.76.26🇺🇸 Google
PTRws-in-f26.1e100.net
MXalt3.aspmx.l.google.com
A2a00:1450:4010:c20::1a 🇫🇮 Google
PTRyulppbn-in-f26.1e100.net
A172.253.130.27🇺🇸 Google
PTRyulppbn-in-f27.1e100.net
MXalt4.aspmx.l.google.com
A2404:6800:4003:c06::1b 🇸🇬 Google
PTRsm-in-f27.1e100.net
A142.250.4.27🇺🇸 Google
PTRsm-in-f27.1e100.net
A210.3.133.132🇭🇰 HUTCHISON-AS-AP
PTRstatic-bbs-132-133-3-210-on-nets.com

edu.hk

NSc.hkirc.net.hk
NSd.hkirc.net.hk
NSm.hkirc.net.hk
NSt.hkirc.net.hk
NSu.hkirc.net.hk
NSv.hkirc.net.hk
NSx.hkirc.net.hk
NSy.hkirc.net.hk
NSz.hkirc.net.hk

Up

Starts with same word

Starts similarily

AI analysis

www.cognitiohk.edu.hk has cognitiohk.edu.hk as its parent.

cognitiohk.edu.hk maps to IP address 210.3.133.132.

Other host names, for example, www.cognitiohk.edu.hk share IP numbers with cognitiohk.edu.hk.

Two name servers john.ns.cloudflare.com and meg.ns.cloudflare.com are delegated to cognitiohk.edu.hk.

cognitiohk.edu.hk uses the same name server configuration as other domains, such as jslint.com, villagiustozzi.it, zwamba.com, 24bank.ru and markas.id.

cognitiohk.edu.hk at least partially shares name servers with other domains such as houseplansandmore.com, mahindraworldcity.com, maxistechnologies.com, polon-alfa.com.pl and consultoresenit.com.ar.

These name servers are commonly used alongside stella.ns.cloudflare.com, ines.ns.cloudflare.com and princess.ns.cloudflare.com.

Host names with six IP numbers: Host name john.ns.cloudflare.com points to 2606:4700:58::adf5:3bb9, 2803:f800:50::6ca2:c1b9, 2a06:98c1:50::ac40:21b9, 108.162.193.185, 172.64.33.185 and 173.245.59.185; host name meg.ns.cloudflare.com points to 2606:4700:50::adf5:3ac4, 2803:f800:50::6ca2:c0c4, 2a06:98c1:50::ac40:20c4, 108.162.192.196, 172.64.32.196 and 173.245.58.196.

cognitiohk.edu.hk is handled by five mail servers: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.

cognitiohk.edu.hk shares mail servers with other domains at least in part, for instance abcpa.sa, holidoit.com, futurexind.com, tyrannybrewing.com and kravia.se.

These mail servers are often used together with aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx4.googlemail.com and aspmx5.googlemail.com.

Two IPs per host name:

aspmx.l.google.com points to: 2607:f8b0:4004:c06::1a and 172.253.115.27

alt1.aspmx.l.google.com points to: 2a00:1450:400b:c02::1a and 172.253.116.26

alt2.aspmx.l.google.com points to: 2a00:1450:400c:c00::1a and 173.194.76.26

alt3.aspmx.l.google.com points to: 2a00:1450:4010:c20::1a and 172.253.130.27

alt4.aspmx.l.google.com points to: 2404:6800:4003:c06::1b and 142.250.4.27

Pattern: left IDs ascend by 9 (12, 21, 30, 39, 48); each pair of targets ascend by 9 (15/18, 24/27, 33/36, 42/45, 51/54)

Perform reverse DNS lookup as well as normal forward DNS. Check Autonomous System Numbers (ASNs) and BGP connections between Internet Service Providers.
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