ptsec.com - dns.ninja
ptsec.com
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=1783972367 | ||||||
Subdomains
www.ptsec.com |
Same first word
Similar names
DNS History
6 records (6 active, 0 former)
●NSns1o.ctihk.com2026-03-12 → 2026-07-13 · 3 obs
● 2026-03-12 04:19:52
● 2026-07-13 20:05:52
●NSns2o.ctihk.com2026-03-12 → 2026-07-13 · 3 obs
● 2026-03-12 04:19:52
● 2026-07-13 20:05:52
●MXmail.bbmail.com.hk2015-07-08 → 2026-07-13 · 2 obs
● 2026-07-13 20:05:52
●MXptsec-com.mail.protection.outlook.com2026-03-12 → 2026-07-13 · 3 obs
● 2026-03-12 04:19:52
● 2026-07-13 20:05:52
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | i.gtld-servers.net, a.gtld-servers.net, c.gtld-servers.net, e.gtld-servers.net... | - |
| ptsec.com | ns1o.ctihk.com, ns2o.ctihk.com | 2 records |
✅ Authoritative Response
Server:203.186.94.21
NS records: ns1o.ctihk.com, ns2o.ctihk.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ptsec.com (unsigned zone)
⏱️ Timing
Total: 595ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | ns1.hkbn.net, ns2.hkbn.net |
| MX | 2 | mail.bbmail.com.hk (pri: 100), ptsec-com.mail.protection.outlook.com (p |
| TXT | 2 | v=spf1 include:spf.protection.outlook.co, MS=ms86117314 |
| SOA | 1 | ns1.hkbn.net sysadm.ns1.hkbn.net |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns1o.ctihk.com, ns2o.ctihk.com)
Analysis
Hierarchy
www.ptsec.com is a subdomain of ptsec.com.
Name Servers
The domain ptsec.com is delegated to these four name servers: ns1o.ctihk.com, ns2o.ctihk.com, ns1.hkbn.net and ns2.hkbn.net.
The name servers of ptsec.com overlap at least partially with those of other domains — among them 231.239.61.in-addr.arpa, hkbnes.biz, foster.com.hk and two more.
The name servers ns3o.ctihk.com, ns1o.ctimail.com and ns2o.ctimail.com are commonly seen alongside these name servers.
Each of the host names ns1o.ctihk.com, ns2o.ctihk.com, ns1.hkbn.net and ns2.hkbn.net has one IP address: ns1o.ctihk.com resolves to 203.80.96.8, ns2o.ctihk.com resolves to 203.186.94.21, ns1.hkbn.net resolves to 203.80.96.8 and ns2.hkbn.net resolves to 203.186.94.21.
These two host names — ns1o.ctihk.com and ns1.hkbn.net — each point to 203.80.96.8 IP addresses.
These two host names — ns2o.ctihk.com and ns2.hkbn.net — each point to 203.186.94.21 IP addresses.
Mail Servers
The MX records for ptsec.com point to two mail servers: mail.bbmail.com.hk and ptsec-com.mail.protection.outlook.com.
ptsec.com shares at least some of its mail servers with other domains — for example wahcheongtrading.com, polymax-hk.com, cheungming.com.hk and two more.
The mail servers pop3.polymax-hk.com, smtp00.polymax-hk.com and smtp01.polymax-hk.com are commonly used alongside these mail servers.
Host names resolving to 6 IP numbers:
ptsec-com.mail.protection.outlook.com carries IP addresses 52.101.124.117, 52.101.137.0 and 52.101.157.80, with 3 other addresses beyond those.
Hosts with two IP numbers each:
mail.bbmail.com.hk maps to two IP addresses — 203.185.56.40 and 203.185.56.41.