`buildinggroupsa.com.au`

DNSSEC	⚠️ Not signed
A	13.54.127.93^{🇦🇺 Amazon13.54.0.0/15 EC2 SYD prefix}
		PTR	`ec2-13-54-127-93.ap-southeast-2.compute.amazonaws.com`
NS	`ns1.bdm.microsoftonline.com` ⭐
		A	2603:1061:0:700::d0^{🇺🇸 Microsoft2603:1000::/25 MICROSOFT}
			PTR	`ns1-208.azure-dns.com`
		A	13.107.236.208^{🇺🇸 Microsoft13.104.0.0/14 MICROSOFT}
			PTR	`ns1-208.azure-dns.com`
NS	`ns2.bdm.microsoftonline.com`
		A	2620:1ec:8ec:700::d0^{🇺🇸 Microsoft2620:1ec::/36 MICROSOFT}
			PTR	`ns2-208.azure-dns.net`
		A	150.171.21.208^{🇺🇸 Microsoft150.171.0.0/16 MICROSOFT}
			PTR	`ns2-208.azure-dns.net`
NS	`ns3.bdm.microsoftonline.com`
		A	2a01:111:4000:700::d0^{🇬🇧 Microsoft2a01:111:4000::/36}
			PTR	`ns3-208.azure-dns.org`
		A	204.14.183.208^{🇺🇸 Microsoft204.14.180.0/22}
			PTR	`ns3-208.azure-dns.org`
NS	`ns4.bdm.microsoftonline.com`
		A	2620:1ec:bda:700::d0^{🇺🇸 Microsoft2620:1ec::/36 MICROSOFT}
			PTR	`ns4-208.azure-dns.info`
		A	208.84.5.208^{🇺🇸 Microsoft208.84.0.0/21 MICROSOFT}
			PTR	`ns4-208.azure-dns.info`
MX	`buildinggroupsa-com-au.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:cc31::^{🇦🇺 Microsoft2a01:111:f000::/36}
			PTR	`mail-sy2pr01cu00300.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	52.101.149.2^{🇦🇺 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sy5pr01cu00902.inbound.protection.outlook.com`
		A	52.101.151.5^{🇦🇺 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-meupr01cu00305.inbound.protection.outlook.com`
TXT	`v=spf1 include:spf.protection.outlook.com include:spf.emailsignatures365.com ...`
TXT	`include:spf.emailsignatures365.com`
TXT	`mscid=sN4Cnq4oJM79NrFPUKWTdYf7RUAQj/81YKgPcM/nnd2Kfzt1HafCbtykw52rxMxzr0GS8B1...`
SOA	`ns1.bdm.microsoftonline.com`azuredns-hostmaster@microsoft.com serial=1

`com.au`

	DNSSEC	🔒 Signed (DS record present)
	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=1771274288

WOT: SAFE (34/100)

Subdomains

cdn.buildinggroupsa.com.au

Same first word

buildinggroupsa.com.au

DNS History

6 records (6 active, 0 former)

●NSns1.bdm.microsoftonline.com2026-03-09 → 2026-03-10 · 2 obs

● 2026-03-09 13:09:32
● 2026-03-10 05:50:50

●NSns2.bdm.microsoftonline.com2026-03-09 → 2026-03-10 · 2 obs

● 2026-03-09 13:09:32
● 2026-03-10 05:50:50

●NSns3.bdm.microsoftonline.com2026-03-09 → 2026-03-10 · 2 obs

● 2026-03-09 13:09:32
● 2026-03-10 05:50:50

●NSns4.bdm.microsoftonline.com2026-03-09 → 2026-03-10 · 2 obs

● 2026-03-09 13:09:32
● 2026-03-10 05:50:50

●MXbuildinggroupsa-com-au.mail.protection.outlook.com2026-03-09 → 2026-03-10 · 2 obs

● 2026-03-09 13:09:32
● 2026-03-10 05:50:50

●A13.54.127.932026-03-09 → 2026-03-10 · 2 obs

● 2026-03-09 13:09:32
● 2026-03-10 05:50:50

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
au	t.au, s.au, q.au, r.au...	-
buildinggroupsa.com.au	ns2.bdm.microsoftonline.com, ns1.bdm.microsoftonline.com, ns3.bdm.microsoftonline.com, ns4.bdm.microsoftonline.com	-

✅ Authoritative Response

Server: 13.107.236.208

NS records: ns2.bdm.microsoftonline.com, ns1.bdm.microsoftonline.com, ns3.bdm.microsoftonline.com, ns4.bdm.microsoftonline.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 392ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`13.54.127.93`
NS	4	`ns1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com...`
MX	1	`buildinggroupsa-com-au.mail.protection.o`
TXT	3	`v=spf1 include:spf.protection.outlook.co, include:spf.emailsignatures365.com...`
SOA	1	`ns1.bdm.microsoftonline.com azuredns-hos`

Analysis

Hierarchy

The parent of cdn.buildinggroupsa.com.au is buildinggroupsa.com.au.

IP Addresses

buildinggroupsa.com.au points to a single IP address: 13.54.127.93.

Other host names such as ec2-13-54-127-93.ap-southeast-2.compute.amazonaws.com, solarman.net.au, kvps.vic.edu.au, sa-dance.co.uk and sls.sydney share IPs with buildinggroupsa.com.au.

Name Servers

buildinggroupsa.com.au is delegated to four name servers: ns1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com, ns3.bdm.microsoftonline.com and ns4.bdm.microsoftonline.com.

buildinggroupsa.com.au at least partially shares name servers with other domains, for example onuxtech.com, araokt.ch, marina.com.gr, escal.asso.fr and stone.kent.sch.uk.