ptr.com.au - dns.ninja
ptr.com.au
com.au
| DNSSEC | ⚠️ Not signed | ||||||
| NS | q.au ⭐ ⚠️ Not in parent delegation | ||||||
| NS | a.au ⚠️ Not in parent delegation | ||||||
| NS | r.au ⚠️ Not in parent delegation | ||||||
| NS | s.au ⚠️ Not in parent delegation | ||||||
| NS | t.au ⚠️ Not in parent delegation | ||||||
| SOA | q.auhostmaster@donuts.email serial=1786759062 | ||||||
Previously MX for
ptr.com.au |
Same first word
Similar names
DNS History
12 records (7 active, 5 former)
●NSns1.melbourneit.net2026-03-27 → 2026-08-15 · 3 obs
● 2026-03-27 14:35:48
● 2026-08-15 02:47:02
○NSns1.websitesforsmallbusiness.com.au2015-07-15 → 2016-11-27 · 4 obs
● 2016-11-27 21:09:50
○ 2026-03-27 14:35:48
○ 2026-08-15 02:47:02
●NSns2.melbourneit.net2026-03-27 → 2026-08-15 · 3 obs
● 2026-03-27 14:35:48
● 2026-08-15 02:47:02
○NSns2.websitesforsmallbusiness.com.au2015-07-15 → 2016-11-27 · 4 obs
● 2016-11-27 21:09:50
○ 2026-03-27 14:35:48
○ 2026-08-15 02:47:02
●NSns3.melbourneit.net2026-03-27 → 2026-08-15 · 3 obs
● 2026-03-27 14:35:48
● 2026-08-15 02:47:02
●NSns4.melbourneit.net2026-03-27 → 2026-08-15 · 3 obs
● 2026-03-27 14:35:48
● 2026-08-15 02:47:02
●MXms47027464.msv1.invalid2026-03-27 → 2026-08-15 · 3 obs
● 2026-03-27 14:35:48
● 2026-08-15 02:47:02
●MXptr-com-au.mail.protection.outlook.com2026-03-27 → 2026-08-15 · 3 obs
● 2026-03-27 14:35:48
● 2026-08-15 02:47:02
○MXptr.com.au2015-07-15 → 2016-11-27 · 4 obs
● 2016-11-27 21:09:50
○ 2026-03-27 14:35:48
○ 2026-08-15 02:47:02
○A103.1.187.472015-07-15 → 2016-04-26 · 4 obs
● 2016-04-26 17:50:30
○ 2016-11-24 04:48:40
○ 2026-08-15 02:47:02
○A150.107.73.242016-11-24 → 2016-11-27 · 5 obs
● 2016-11-24 04:48:40
● 2016-11-27 21:09:50
○ 2026-03-27 14:35:48
○ 2026-08-15 02:47:02
●A162.159.135.422026-03-27 → 2026-08-15 · 3 obs
● 2026-03-27 14:35:48
● 2026-08-15 02:47:02
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| au | s.au, q.au, t.au, a.au... | - |
| ptr.com.au | ns3.melbourneit.net, ns1.melbourneit.net, ns2.melbourneit.net | - |
✅ Authoritative Response
Server:76.223.26.245
NS records: ns3.melbourneit.net, ns1.melbourneit.net, ns2.melbourneit.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ptr.com.au (unsigned zone)
⏱️ Timing
Total: 653ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 162.159.135.42 |
| NS | 4 | ns3.melbourneit.net, ns1.melbourneit.net... |
| MX | 2 | ptr-com-au.mail.protection.outlook.com (, ms47027464.msv1.invalid (pri: 5555) |
| TXT | 2 | v=spf1 include:spf.protection.outlook.co, ca3-fdc7d9e437cd41baa6df72a10a682121 |
| SOA | 1 | ns1.melbourneit.net admin.melbourneit.ne |
Analysis
IP Addresses
ptr.com.au points to a single IP number: 162.159.135.42.
Additional host names — strongersmarter.com.au, jskid.com.tw, bissellcentre.org and two others — share IP numbers with ptr.com.au.
Name Servers
ptr.com.au has four authoritative name servers: ns1.melbourneit.net, ns2.melbourneit.net, ns3.melbourneit.net and ns4.melbourneit.net.
The name servers of ptr.com.au overlap at least partially with those of other domains — among them orthoact.com.au, snowbiz.com.au, transcale.com and two more.
ns1.melbourneit.net, ns2.melbourneit.net, ns3.melbourneit.net and ns4.melbourneit.net each resolve to one IP address: ns1.melbourneit.net resolves to 13.248.158.180, ns2.melbourneit.net resolves to 75.2.118.134, ns3.melbourneit.net resolves to 76.223.26.245 and ns4.melbourneit.net resolves to 99.83.147.209.
Mail Servers
ptr.com.au has two mail servers: ms47027464.msv1.invalid and ptr-com-au.mail.protection.outlook.com.
Host names with 8 IP numbers:
Hostname ptr-com-au.mail.protection.outlook.com directs to 52.101.149.0, 52.101.149.1 and 52.101.151.0 along with 5 other IP addresses.