`ptr.com.au`

DNSSEC	⚠️ Not signed
A	162.159.135.42^{Cloudflare162.159.128.0/19 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`ns1.melbourneit.net` ⭐
		A	13.248.158.180^{🇺🇸 Amazon13.248.144.0/20}
			PTR	`ip-13-248-158-180.defastlink.net`
NS	`ns2.melbourneit.net`
		A	75.2.118.134^{🇺🇸 Amazon75.2.112.0/20}
			PTR	`ip-75-2-118-134.defastlink.net`
NS	`ns3.melbourneit.net`
		A	76.223.26.245^{🇺🇸 Amazon76.223.16.0/20}
			PTR	`a79764cc55c0ac9c0.awsglobalaccelerator.com`
NS	`ns4.melbourneit.net` ⚠️ Not in parent delegation
		A	99.83.147.209^{🇺🇸 Amazon99.83.144.0/20}
			PTR	`abc65dd9a44b5332f.awsglobalaccelerator.com`
MX	`ptr-com-au.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:cc31::2^{🇦🇺 Microsoft2a01:111:f000::/36}
			PTR	`mail-sy5pr01cu00902.inbound.protection.outlook.com`
		A	2a01:111:f403:cc31::3^{🇦🇺 Microsoft2a01:111:f000::/36}
			PTR	`mail-sy2pr01cu00503.inbound.protection.outlook.com`
		A	2a01:111:f403:cc33::^{🇦🇺 Microsoft2a01:111:f000::/36}
			PTR	`mail-meupr01cu00200.inbound.protection.outlook.com`
		A	2a01:111:f403:cc33::1^{🇦🇺 Microsoft2a01:111:f000::/36}
			PTR	`mail-meupr01cu00301.inbound.protection.outlook.com`
		A	52.101.149.0^{🇦🇺 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sy2pr01cu00300.inbound.protection.outlook.com`
		A	52.101.149.1^{🇦🇺 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sy8pr01cu00101.inbound.protection.outlook.com`
		A	52.101.151.0^{🇦🇺 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-meupr01cu00200.inbound.protection.outlook.com`
		A	52.101.151.5^{🇦🇺 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-meupr01cu00305.inbound.protection.outlook.com`
MX	`ms47027464.msv1.invalid`⁽⁵⁵⁵⁵⁾
TXT	`v=spf1 include:spf.protection.outlook.com -all`
TXT	`ca3-fdc7d9e437cd41baa6df72a10a682121`
SOA	`ns1.melbourneit.net`admin@melbourneit.net 2024-07-10 #1

`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.au`hostmaster@donuts.email serial=1780157831

WOT: SAFE (34/100)

Previously MX for

ptr.com.au

Same first word

ptr.do

ptr.cz

ptr.com.cn

ptr.ro

ptr.net.pl

ptr.no

ptr.co.il

ptr.cl

ptr.vc

ptr.dk

ptr.ru

ptr.us

ptr.cn

ptr.mobi

ptr.gg

ptr.com.au

ptr.bike

ptr.zone

ptr.fr

ptr.com.pl

ptr.ie

ptr.org

ptr.ca

ptr.at

ptr.eu

ptr.to

ptr.network

ptr.de

ptr.asia

ptr.systems

ptr.com.tr

ptr.hu

ptr.name.tr

ptr.com

ptr.pt

ptr.moe

ptr.tw

ptr.se

ptr.co

ptr.jp

ptr.ir

ptr.spdns.org

ptr.re

ptr.co.uk

ptr.li

ptr.bet

ptr.co.ir

ptr.de.com

ptr.edu.pl

ptr.rs

ptr.nu

ptr.im

ptr.it

ptr.name

ptr.mx

ptr.org.pl

ptr.be

ptr.fi

ptr.ac.th

ptr.ch

ptr.is

ptr.ee

ptr.sk

ptr.net.br

ptr.la

Similar names

prt.abbott

prt.org.mx

trp.com.cn

rpt.at

tpr.jp

prt.org

prt.cn

rtp.pt

prt.io

rtp.info

rpt.tw

prt.pt

tpr.de

prt.me

trp.co.uk

rtp.media

prt.us

prt.hu

tpr.at

rtp.su

trp.ru

prt.com.hk

tpr.nl

rpt.es

trp.cn

rpt.su

rpt.co

prt.co.il

rtp.au

tpr.co.za

tpr.cz

rtp.uz

rpt.ru

rpt.se

rtp.expert

trp.world

tpr.ie

trp.be

tpr.reisen

rtp.co.uk

prt.com

trp.nl

trp.com.tr

rtp.solutions

tpr.com.tn

rpt.info

trp.tf

trp.info

tpr.net

tpr.org.uk

prt.de

prt.eu

tpr.it

rpt.cl

prt.fr

rtp.it

rtp.net.au

rpt.ro

rpt.dk

trp.asia

trp.com.hk

prt.be

trp.ee

rpt.fi

rpt.energy

rtp.com.ua

tpr.cn

rtp.se

tpr.es

rpt.equipment

tpr.dk

trp.bm

rtp.com.my

trp.com.ua

trp.com.ar

rtp.lt

trp.ro

prt.se

prt.ac.th

DNS History

12 records (7 active, 5 former)

●NSns1.melbourneit.net2026-03-27 → 2026-05-30 · 3 obs

○ 2016-11-27 21:09:50
● 2026-03-27 14:35:48
● 2026-05-30 16:22:30

○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
○ 2026-05-30 16:22:30

●NSns2.melbourneit.net2026-03-27 → 2026-05-30 · 3 obs

○ 2016-11-27 21:09:50
● 2026-03-27 14:35:48
● 2026-05-30 16:22:30

○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
○ 2026-05-30 16:22:30

●NSns3.melbourneit.net2026-03-27 → 2026-05-30 · 3 obs

○ 2016-11-27 21:09:50
● 2026-03-27 14:35:48
● 2026-05-30 16:22:30

●NSns4.melbourneit.net2026-03-27 → 2026-05-30 · 3 obs

○ 2016-11-27 21:09:50
● 2026-03-27 14:35:48
● 2026-05-30 16:22:30

●MXms47027464.msv1.invalid2026-03-27 → 2026-05-30 · 3 obs

○ 2016-11-27 21:09:50
● 2026-03-27 14:35:48
● 2026-05-30 16:22:30

●MXptr-com-au.mail.protection.outlook.com2026-03-27 → 2026-05-30 · 3 obs

○ 2016-11-27 21:09:50
● 2026-03-27 14:35:48
● 2026-05-30 16:22:30

○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
○ 2026-05-30 16:22:30

○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
○ 2026-05-30 16:22:30

○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
○ 2026-05-30 16:22:30

●A162.159.135.422026-03-27 → 2026-05-30 · 3 obs

○ 2016-11-27 21:09:50
● 2026-03-27 14:35:48
● 2026-05-30 16:22:30

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
au	a.au, q.au, r.au, s.au...	-
ptr.com.au	ns1.melbourneit.net, ns2.melbourneit.net, ns3.melbourneit.net	-

✅ Authoritative Response

Server:76.223.26.245

NS records: ns1.melbourneit.net, ns2.melbourneit.net, ns3.melbourneit.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ptr.com.au (unsigned zone)

⏱️ Timing

Total: 1503ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`162.159.135.42`
NS	4	`ns1.melbourneit.net, ns3.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 resolves to one IP address: 162.159.135.42.

strongersmarter.com.au, jskid.com.tw, bissellcentre.org and two other host names share IP numbers with ptr.com.au.

Name Servers

ptr.com.au is served by 4 authoritative name servers: ns1.melbourneit.net, ns2.melbourneit.net, ns3.melbourneit.net and ns4.melbourneit.net.

At least some of ptr.com.au's name servers are shared with other domains, for example orthoact.com.au, snowbiz.com.au, transcale.com and two more.

Each of the four hosts ns1.melbourneit.net, ns2.melbourneit.net, ns3.melbourneit.net and ns4.melbourneit.net points to a single IP address — ns1.melbourneit.net points to 13.248.158.180, ns2.melbourneit.net points to 75.2.118.134, ns3.melbourneit.net points to 76.223.26.245 and ns4.melbourneit.net points to 99.83.147.209.

Mail Servers

Mail for ptr.com.au is handled by two mail servers — ms47027464.msv1.invalid and ptr-com-au.mail.protection.outlook.com.

Hostnames that resolve to 8 IP addresses:

ptr-com-au.mail.protection.outlook.com directs to 52.101.149.0, 52.101.149.1, 52.101.151.0 and five additional IP addresses.

ptr.com.au - robtex.com

ptr.com.au

com.au

Previously MX for

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

Mail Servers

`ptr.com.au`

`com.au`