profsec.com - dns.ninja
profsec.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 103.15.22.40🇭🇰 ISYSTEMTECH-HK103.15.22.0/24 01Link Network Services Limited | ||||||
| PTR | sv02.userver.hk | ||||||
| NS | ns1.userver.hk ⭐ | ||||||
| NS | ns1.uhostdns.com | ||||||
| A | 2404:fc00:192::8🇭🇰 ISYSTEMTECH-HK2404:fc00:192::/48 i-System Technology Limited | ||||||
| A | 180.188.192.8🇭🇰 ISYSTEMTECH-HK180.188.192.0/24 i-System Technology Limited | ||||||
| NS | ns2.uhostdns.com | ||||||
| A | 2404:fc00:76::8🇭🇰 ISYSTEMTECH-HK2404:fc00:76::/48 i-System Technology Limited | ||||||
| A | 182.173.76.8🇭🇰 ISYSTEMTECH-HK182.173.76.0/24 i-System Technology Limited | ||||||
| PTR | ns1.01name.com | ||||||
| MX | profsec.com ⭐ | ||||||
| A | 103.15.22.40🇭🇰 ISYSTEMTECH-HK103.15.22.0/24 01Link Network Services Limited | ||||||
| PTR | sv02.userver.hk | ||||||
| TXT | v=spf1 include:_spf.uhost.hk ~all | ||||||
| SOA | ns1.userver.hkreport@uhost.hk 2023-11-15 #5 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1784976802 | ||||||
MX for
profsec.com |
Same first word
Similar names
DNS History
6 records (5 active, 1 former)
●NSns1.uhostdns.com2015-08-22 → 2026-07-25 · 2 obs
● 2026-07-25 11:20:34
●NSns1.userver.hk2026-03-24 → 2026-07-25 · 3 obs
● 2026-03-24 16:09:08
● 2026-07-25 11:20:34
●NSns2.uhostdns.com2015-08-22 → 2026-07-25 · 2 obs
● 2026-07-25 11:20:34
●MXprofsec.com2015-08-22 → 2026-07-25 · 2 obs
● 2026-07-25 11:20:34
●A103.15.22.402026-03-24 → 2026-07-25 · 3 obs
● 2026-03-24 16:09:08
● 2026-07-25 11:20:34
○A180.188.193.802015-08-22 → 2016-12-02 · 4 obs
● 2016-12-02 09:57:38
○ 2026-03-24 16:09:08
○ 2026-07-25 11:20:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| profsec.com | ns1.uhostdns.com, ns2.uhostdns.com | 3 records |
✅ Authoritative Response
Server:182.173.76.8
NS records: ns1.uhostdns.com, ns2.uhostdns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for profsec.com (unsigned zone)
⏱️ Timing
Total: 776ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 103.15.22.40 |
| NS | 2 | ns2.uhostdns.com, ns1.uhostdns.com |
| MX | 1 | profsec.com (pri: 0) |
| TXT | 1 | v=spf1 include:_spf.uhost.hk ~all |
| SOA | 1 | ns1.userver.hk report.uhost.hk |
📌 Glue Records Collected
Total: 3
Out-of-bailiwick: 3 (ns1.uhostdns.com, ns1.uhostdns.com, ns2.uhostdns.com)
Analysis
Mail Server Role
profsec.com acts as its own mail server.
IP Addresses
profsec.com points to a single IP number: 103.15.22.40.
Additional host names — searcheasy.com.hk, extra7.com, hkso.org.hk and two others — share IP numbers with profsec.com.
Name Servers
The authoritative name servers for profsec.com are ns1.uhostdns.com, ns2.uhostdns.com and ns1.userver.hk — three in total.
There is at least partial name server overlap between profsec.com and other domains — hksoccernet.com, qxmotor.com.hk, adgocomms.com and two more among them.
These name servers are frequently paired with the name servers ns3.uhostdns.com, ns4.uhostdns.com, ns1.01name.com and two others.
The two host names ns1.uhostdns.com and ns2.uhostdns.com each have a pair of IP addresses: ns1.uhostdns.com has 180.188.192.8 and 2404:fc00:192::8, and ns2.uhostdns.com has 182.173.76.8 and 2404:fc00:76::8.
Mail Servers
profsec.com has a single mail server: profsec.com itself.
profsec.com directs to just one IP number, 103.15.22.40.