usb.hk - robtex.com
usb.hk
| DNSSEC | ⚠️ Not signed | ||||||
| A | 43.241.72.207🇭🇰 SCICUBE-AS43.241.72.0/24 SCICUBE-ROUTE-OBJ | ||||||
| PTR | hkbn-spk-a407.pointdnshere.com | ||||||
| NS | ns151.pointdnshere.info ⭐ | ||||||
| A | 43.241.72.207🇭🇰 SCICUBE-AS43.241.72.0/24 SCICUBE-ROUTE-OBJ | ||||||
| PTR | hkbn-spk-a407.pointdnshere.com | ||||||
| NS | ns152.pointdnshere.info | ||||||
| A | 43.241.72.207🇭🇰 SCICUBE-AS43.241.72.0/24 SCICUBE-ROUTE-OBJ | ||||||
| PTR | hkbn-spk-a407.pointdnshere.com | ||||||
| MX | mail.usb.hk ⭐ | ||||||
| A | 43.241.72.207🇭🇰 SCICUBE-AS43.241.72.0/24 SCICUBE-ROUTE-OBJ | ||||||
| PTR | hkbn-spk-a407.pointdnshere.com | ||||||
| TXT | v=spf1 a mx include:pointdnshere.com ~all | ||||||
| SOA | ns151.pointdnshere.infohostmaster@usb.hk 2026-06-10 #1 | ||||||
hk
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns3.hkirc.net.hk ⭐ | ||||||
| NS | c.hkirc.net.hk | ||||||
| NS | d.hkirc.net.hk | ||||||
| NS | m.hkirc.net.hk | ||||||
| NS | t.hkirc.net.hk | ||||||
| NS | u.hkirc.net.hk | ||||||
| NS | v.hkirc.net.hk | ||||||
| NS | x.hkirc.net.hk | ||||||
| NS | y.hkirc.net.hk | ||||||
| NS | z.hkirc.net.hk | ||||||
| SOA | ns3.hkirc.net.hkhostmaster@hkirc.net.hk serial=2074962996 | ||||||
Subdomains
mail.usb.hk |
Same first word
Similar names
DNS History
4 records (4 active, 0 former)
●NSns151.pointdnshere.info2020-02-05 → 2026-07-05 · 2 obs
● 2026-07-05 10:32:38
●NSns152.pointdnshere.info2020-02-05 → 2026-07-05 · 2 obs
● 2026-07-05 10:32:38
●MXmail.usb.hk2020-02-05 → 2026-07-05 · 2 obs
● 2026-07-05 10:32:38
●A43.241.72.2072020-02-05 → 2026-07-05 · 2 obs
● 2026-07-05 10:32:38
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| hk | c.hkirc.net.hk, d.hkirc.net.hk, m.hkirc.net.hk, t.hkirc.net.hk... | 15 records |
| usb.hk | ns151.pointdnshere.info, ns152.pointdnshere.info | - |
✅ Authoritative Response
Server:43.241.72.207
NS records: ns151.pointdnshere.info, ns152.pointdnshere.info
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for usb.hk (unsigned zone)
⏱️ Timing
Total: 1914ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 43.241.72.207 |
| NS | 2 | ns151.pointdnshere.info, ns152.pointdnshere.info |
| MX | 1 | mail.usb.hk (pri: 10) |
| TXT | 1 | v=spf1 a mx include:pointdnshere.com ~al |
| SOA | 1 | ns151.pointdnshere.info hostmaster.usb.h |
📌 Glue Records Collected
Total: 15
In-bailiwick: 15 (c.hkirc.net.hk, d.hkirc.net.hk, m.hkirc.net.hk...)
Analysis
Hierarchy
usb.hk serves as the parent of mail.usb.hk.
IP Addresses
usb.hk directs to one IP number, which is 43.241.72.207.
Among the host names that share IP numbers with usb.hk are mail.imail.hk, hkbn-spk-a407.pointdnshere.com, mail.echost4u.com and two others.
Name Servers
usb.hk is served by two delegated name servers, ns151.pointdnshere.info and ns152.pointdnshere.info.
The domains imail.hk, pr-smart.com, echost4u.com and hklmg.com share a common name server delegation with usb.hk.
ns151.pointdnshere.info and ns152.pointdnshere.info share one IP address between them — 43.241.72.207.
These two host names — ns151.pointdnshere.info and ns152.pointdnshere.info — each point to 43.241.72.207 IP addresses.
Mail Servers
usb.hk routes its mail through a single mail server, mail.usb.hk.
There is one IP number for mail.usb.hk: 43.241.72.207.