ptr.com.au - dns.ninja

ptr.com.au

DNSSEC⚠️ Not signed
A162.159.135.42Cloudflare162.159.128.0/19 , Inc. 101 Townsend Street, San Francisco, California 94107, US
NSns1.melbourneit.net
A13.248.158.180🇺🇸 Amazon13.248.144.0/20
PTRa79764cc55c0ac9c0.awsglobalaccelerator.com
NSns2.melbourneit.net
A75.2.118.134🇺🇸 Amazon75.2.112.0/20
PTRabc65dd9a44b5332f.awsglobalaccelerator.com
NSns3.melbourneit.net
A76.223.26.245🇺🇸 Amazon76.223.16.0/20
PTRa79764cc55c0ac9c0.awsglobalaccelerator.com
NSns4.melbourneit.net ⚠️ Not in parent delegation
A99.83.147.209🇺🇸 Amazon99.83.144.0/20
PTRabc65dd9a44b5332f.awsglobalaccelerator.com
MXptr-com-au.mail.protection.outlook.com
A2a01:111:f403:cc31::1🇦🇺 Microsoft2a01:111:f000::/36
PTRmail-sy8pr01cu00101.inbound.protection.outlook.com
A2a01:111:f403:cc31::2🇦🇺 Microsoft2a01:111:f000::/36
PTRmail-sy5pr01cu00902.inbound.protection.outlook.com
A2a01:111:f403:cc31::3🇦🇺 Microsoft2a01:111:f000::/36
PTRmail-sy2pr01cu00503.inbound.protection.outlook.com
A2a01:111:f403:cc33::🇦🇺 Microsoft2a01:111:f000::/36
PTRmail-meupr01cu00200.inbound.protection.outlook.com
A52.101.149.0🇦🇺 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-sy2pr01cu00300.inbound.protection.outlook.com
A52.101.149.1🇦🇺 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-sy8pr01cu00101.inbound.protection.outlook.com
A52.101.151.0🇦🇺 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-meupr01cu00200.inbound.protection.outlook.com
A52.101.151.5🇦🇺 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-meupr01cu00305.inbound.protection.outlook.com
MXms47027464.msv1.invalid(5555)
TXTca3-fdc7d9e437cd41baa6df72a10a682121
TXTv=spf1 include:spf.protection.outlook.com -all
SOAns1.melbourneit.netadmin@melbourneit.net 2024-07-10 #1

com.au

DNSSEC⚠️ Not signed
NSq.au ⭐ ⚠️ Not in parent delegation
NSa.au ⚠️ Not in parent delegation
NSr.au ⚠️ Not in parent delegation
NSs.au ⚠️ Not in parent delegation
NSt.au ⚠️ Not in parent delegation
SOAq.auhostmaster@donuts.email serial=1786759062
WOT: SAFE (34/100)

Previously MX for

Same first word

Similar names

DNS History

12 records (7 active, 5 former)

20162017201820192020202120222023202420252026NSns1.melbourneit.netns2.melbourneit.netns3.melbourneit.netns4.melbourneit.netns1.websitesforsmallbusiness.com.auns2.websitesforsmallbusiness.com.auMXms47027464.msv1.invalidptr-com-au.mail.protection.outlook.comptr.com.auA162.159.135.42103.1.187.47150.107.73.24
NSns1.melbourneit.net2026-03-27 → 2026-08-15 · 3 obs
○ 2016-11-27 21:09:50
● 2026-03-27 14:35:48
● 2026-08-15 02:47:02
NSns1.websitesforsmallbusiness.com.au2015-07-15 → 2016-11-27 · 4 obs
● 2015-07-15 10:42:42
● 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
○ 2016-11-27 21:09:50
● 2026-03-27 14:35:48
● 2026-08-15 02:47:02
NSns2.websitesforsmallbusiness.com.au2015-07-15 → 2016-11-27 · 4 obs
● 2015-07-15 10:42:42
● 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
○ 2016-11-27 21:09:50
● 2026-03-27 14:35:48
● 2026-08-15 02:47:02
NSns4.melbourneit.net2026-03-27 → 2026-08-15 · 3 obs
○ 2016-11-27 21:09:50
● 2026-03-27 14:35:48
● 2026-08-15 02:47:02
MXms47027464.msv1.invalid2026-03-27 → 2026-08-15 · 3 obs
○ 2016-11-27 21:09:50
● 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
○ 2016-11-27 21:09:50
● 2026-03-27 14:35:48
● 2026-08-15 02:47:02
MXptr.com.au2015-07-15 → 2016-11-27 · 4 obs
● 2015-07-15 10:42:42
● 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
● 2015-07-15 10:42:42
● 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
○ 2016-04-26 17:50:30
● 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
○ 2016-11-27 21:09:50
● 2026-03-27 14:35:48
● 2026-08-15 02:47:02

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
aus.au, q.au, t.au, a.au...-
ptr.com.auns3.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

TypeCountSample Data
A1162.159.135.42
NS4ns3.melbourneit.net, ns1.melbourneit.net...
MX2ptr-com-au.mail.protection.outlook.com (, ms47027464.msv1.invalid (pri: 5555)
TXT2v=spf1 include:spf.protection.outlook.co, ca3-fdc7d9e437cd41baa6df72a10a682121
SOA1ns1.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.