polysolution.com.hk - dns.ninja
polysolution.com.hk
com.hk
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns3.hkirc.net.hk ⭐ | ||||||
| NS | c.hkirc.net.hk ⚠️ Not in parent delegation | ||||||
| NS | d.hkirc.net.hk ⚠️ Not in parent delegation | ||||||
| NS | m.hkirc.net.hk ⚠️ Not in parent delegation | ||||||
| NS | t.hkirc.net.hk ⚠️ Not in parent delegation | ||||||
| NS | u.hkirc.net.hk ⚠️ Not in parent delegation | ||||||
| NS | v.hkirc.net.hk ⚠️ Not in parent delegation | ||||||
| NS | x.hkirc.net.hk ⚠️ Not in parent delegation | ||||||
| NS | y.hkirc.net.hk ⚠️ Not in parent delegation | ||||||
| NS | z.hkirc.net.hk ⚠️ Not in parent delegation | ||||||
| SOA | ns3.hkirc.net.hkhostmaster@hkirc.net.hk serial=2073571578 | ||||||
Same first word
polysolution.net |
polysolution.com.br |
polysolution.com.hk |
DNS History
17 records (7 active, 10 former)
●NSns1.cloudns.net2015-05-26 → 2026-07-24 · 2 obs
● 2026-07-24 16:10:56
●NSns2.cloudns.net2015-05-26 → 2026-07-24 · 2 obs
● 2026-07-24 16:10:56
●NSns3.cloudns.net2015-05-26 → 2026-07-24 · 2 obs
● 2026-07-24 16:10:56
●NSns4.cloudns.net2015-05-26 → 2026-07-24 · 2 obs
● 2026-07-24 16:10:56
○MXmailforward1.cloudns.net2015-05-26 → 2015-10-27 · 4 obs
● 2015-10-27 03:53:36
○ 2016-01-04 13:22:42
○ 2026-07-24 16:10:56
○MXmailforward2.cloudns.net2015-05-26 → 2015-10-27 · 4 obs
● 2015-10-27 03:53:36
○ 2016-01-04 13:22:42
○ 2026-07-24 16:10:56
●MXmailforward3.cloudns.net2016-01-04 → 2026-07-24 · 3 obs
● 2016-01-04 13:22:42
● 2026-07-24 16:10:56
●MXmailforward4.cloudns.net2016-01-04 → 2026-07-24 · 3 obs
● 2016-01-04 13:22:42
● 2026-07-24 16:10:56
●A103.231.252.572026-03-21 → 2026-07-24 · 3 obs
● 2026-03-21 01:52:26
● 2026-07-24 16:10:56
○A149.56.126.2372016-09-16 → 2016-09-16 · 4 obs
● 2016-09-16 04:08:06
○ 2026-03-21 01:52:26
○ 2026-07-24 16:10:56
○A174.128.248.2302016-09-16 → 2016-09-16 · 4 obs
● 2016-09-16 04:08:06
○ 2026-03-21 01:52:26
○ 2026-07-24 16:10:56
○A178.32.152.2142015-10-27 → 2016-03-31 · 5 obs
● 2015-10-27 03:53:36
● 2016-03-31 05:10:36
○ 2016-09-16 04:08:06
○ 2026-07-24 16:10:56
○A185.34.216.182016-03-31 → 2016-03-31 · 4 obs
● 2016-03-31 05:10:36
○ 2016-09-16 04:08:06
○ 2026-07-24 16:10:56
○A2610:150:8019::1:aa302016-09-16 → 2016-09-16 · 4 obs
● 2016-09-16 04:08:06
○ 2026-03-21 01:52:26
○ 2026-07-24 16:10:56
○A2a00:1768:1001:9::102015-10-27 → 2016-03-31 · 5 obs
● 2015-10-27 03:53:36
● 2016-03-31 05:10:36
○ 2016-09-16 04:08:06
○ 2026-07-24 16:10:56
○A5.254.113.1022015-10-27 → 2016-01-04 · 5 obs
● 2015-10-27 03:53:36
● 2016-01-04 13:22:42
○ 2016-03-31 05:10:36
○ 2026-07-24 16:10:56
○A69.89.31.1252015-05-26 → 2015-05-26 · 3 obs
○ 2015-10-27 03:53:36
○ 2026-07-24 16:10:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| hk | c.hkirc.net.hk, d.hkirc.net.hk, m.hkirc.net.hk, t.hkirc.net.hk... | - |
| polysolution.com.hk | ns4.cloudns.net, ns2.cloudns.net, ns1.cloudns.net, ns3.cloudns.net | - |
✅ Authoritative Response
Server:185.206.180.171
NS records: ns4.cloudns.net, ns2.cloudns.net, ns1.cloudns.net, ns3.cloudns.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for polysolution.com.hk (unsigned zone)
⏱️ Timing
Total: 1432ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 103.231.252.57 |
| NS | 4 | ns4.cloudns.net, ns1.cloudns.net... |
| MX | 2 | mailforward3.cloudns.net (pri: 5), mailforward4.cloudns.net (pri: 10) |
| SOA | 1 | ns1.cloudns.net support.cloudns.net |
Analysis
IP Addresses
polysolution.com.hk has exactly one IP address — 103.231.252.57.
www.knit.hk, mail.10x.hk, hkrainbow.com plus two other host names have IP numbers in common with polysolution.com.hk.
Name Servers
Four name servers handle the delegation for polysolution.com.hk: ns1.cloudns.net, ns2.cloudns.net, ns3.cloudns.net and ns4.cloudns.net.
polysolution.com.hk shares at least some of its name servers with other domains, including edquip.ie, pozor.net, hotmiail.co.uk and two others.
These name servers are frequently seen alongside pns1.cloudns.net, pns3.cloudns.net, pns2.cloudns.net and 7 other name servers.
The host names ns1.cloudns.net, ns2.cloudns.net, ns3.cloudns.net and ns4.cloudns.net each resolve to two IP addresses: ns1.cloudns.net resolves to 85.159.233.17 and 2a00:1768:1001:9::1; ns2.cloudns.net resolves to 5.161.86.199 and 2a01:4ff:f0:94da::1; ns3.cloudns.net resolves to 188.241.116.117 and 2a06:cd40:100:2::127; ns4.cloudns.net resolves to 185.206.180.171 and 2a0b:1640:1:1:1:1:11bf:62fc.
Mail Servers
polysolution.com.hk uses two mail servers, mailforward3.cloudns.net and mailforward4.cloudns.net.
The mail server setup of polysolution.com.hk matches that of other domains such as majstudio.com, alamedaartists.com, hkrainbow.com and two others.
At least some of the mail servers used by polysolution.com.hk are shared with other domains: uputstvo.rs, manualpdf.pt, freegoat(0x736578).com and two others among them.
These mail servers are frequently paired with the mail servers mailforward1.cloudns.net, mailforward2.cloudns.net and host.p7host.com.
mailforward3.cloudns.net directs to 23.82.99.143 and 2605:fe80:2b:106:1c00:65ff:fe00:368. mailforward4.cloudns.net directs to 185.206.180.170 and 2a0b:1640:1:1:1:1:119f:7a4. Each host name carries two IP addresses.