`defn.com.au`

DNSSEC	⚠️ Not signed
A	198.49.23.144^{🇺🇸 SQUARESPACE-1198.49.23.0/24 Squarespace, Inc. 459 Broadway, 5th Floor New York, NY 10013 US}
A	198.49.23.145^{🇺🇸 SQUARESPACE-1198.49.23.0/24 Squarespace, Inc. 459 Broadway, 5th Floor New York, NY 10013 US}
A	198.185.159.144^{🇺🇸 SQUARESPACE-1198.185.159.0/24 Squarespace, Inc. 459 Broadway, 5th Floor New York, NY 10013 US}
A	198.185.159.145^{🇺🇸 SQUARESPACE-1198.185.159.0/24 Squarespace, Inc. 459 Broadway, 5th Floor New York, NY 10013 US}
NS	`ns20.digicertdns.com` ⭐
		A	2600:1800:10::1:1f^{🇺🇸 Tiggee2600:1800:10::/48 DNS Made Easy anycast network}
			PTR	`ns20.digicertdns.com`
		A	208.94.148.223^{🇺🇸 Tiggee208.94.148.0/24 DNS Made Easy anycast network}
			PTR	`ns20.digicertdns.com`
NS	`ns21.digicertdns.com`
		A	2600:1801:11::1:1f^{🇺🇸 Tiggee2600:1801:11::/48 DNS Made Easy anycast network}
			PTR	`ns21.digicertdns.com`
		A	208.80.124.223^{🇺🇸 Tiggee208.80.124.0/24 DNS Made Easy anycast network}
			PTR	`ns21.digicertdns.com`
NS	`ns22.digicertdns.com`
		A	2600:1802:12::1:1f^{🇺🇸 Tiggee2600:1802:12::/48 DNS Made Easy anycast network}
			PTR	`ns22.digicertdns.com`
		A	208.80.126.223^{🇺🇸 Tiggee208.80.126.0/24 DNS Made Easy anycast network}
			PTR	`ns22.digicertdns.com`
NS	`ns23.digicertdns.net`
		A	2600:1801:13::1:1f^{🇺🇸 Tiggee2600:1801:13::/48 DNS Made Easy anycast network}
			PTR	`ns23.digicertdns.net`
		A	208.80.125.223^{🇺🇸 Tiggee208.80.125.0/24 DNS Made Easy anycast network}
			PTR	`ns23.digicertdns.net`
NS	`ns24.digicertdns.net`
		A	2600:1802:14::1:1f^{🇺🇸 Tiggee2600:1802:14::/48 DNS Made Easy anycast network}
			PTR	`ns24.digicertdns.net`
		A	208.80.127.223^{🇺🇸 Tiggee208.80.127.0/24 DNS Made Easy anycast network}
			PTR	`ns24.digicertdns.net`
NS	`ns25.digicertdns.net`
		A	2600:1800:15::1:1f^{🇺🇸 Tiggee2600:1800:15::/48 DNS Made Easy anycast network}
			PTR	`ns25.digicertdns.net`
		A	208.94.149.223^{🇺🇸 Tiggee208.94.149.0/24 DNS Made Easy anycast network}
			PTR	`ns25.digicertdns.net`
MX	`defn-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::2^{🇦🇺 Microsoft2a01:111:f000::/36}
			PTR	`mail-sy5pr01cu00902.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	52.101.149.1^{🇦🇺 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	52.101.151.0^{🇦🇺 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`
TXT	`MS=D0034F550F4C3C7157939F4F8BA0504C7C6ECF2B`
TXT	`v=spf1 +a +mx ip4:198.185.159.145 ip4:198.49.23.145 ip4:198.49.23.144 ip4:198...`
SOA	`ns20.digicertdns.com`dns@digicertdns.com 2009-01-01 #25

`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=1783250458

WOT: SAFE (34/100)

Same first word

defn.mx

defn.net

defn.io

defn.com

defn.com.au

defn.us

defn.de

defn.co

defn.me

defn.cn

defn.org

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DNS History

16 records (11 active, 5 former)

○NSns1.iinet.net.au2015-07-19 → 2017-01-19 · 4 obs

● 2015-07-19 09:13:48
● 2017-01-19 14:18:16
○ 2026-06-05 03:45:12
○ 2026-07-05 11:28:30

○NSns2.iinet.net.au2015-07-19 → 2017-01-19 · 4 obs

● 2015-07-19 09:13:48
● 2017-01-19 14:18:16
○ 2026-06-05 03:45:12
○ 2026-07-05 11:28:30

●NSns20.digicertdns.com2026-06-05 → 2026-07-05 · 3 obs

○ 2017-01-19 14:18:16
● 2026-06-05 03:45:12
● 2026-07-05 11:28:30

●NSns21.digicertdns.com2026-06-05 → 2026-07-05 · 3 obs

○ 2017-01-19 14:18:16
● 2026-06-05 03:45:12
● 2026-07-05 11:28:30

●NSns22.digicertdns.com2026-06-05 → 2026-07-05 · 3 obs

○ 2017-01-19 14:18:16
● 2026-06-05 03:45:12
● 2026-07-05 11:28:30

●NSns23.digicertdns.net2026-06-05 → 2026-07-05 · 3 obs

○ 2017-01-19 14:18:16
● 2026-06-05 03:45:12
● 2026-07-05 11:28:30

●NSns24.digicertdns.net2026-06-05 → 2026-07-05 · 3 obs

○ 2017-01-19 14:18:16
● 2026-06-05 03:45:12
● 2026-07-05 11:28:30

●NSns25.digicertdns.net2026-06-05 → 2026-07-05 · 3 obs

○ 2017-01-19 14:18:16
● 2026-06-05 03:45:12
● 2026-07-05 11:28:30

○NSns3.iinet.net.au2015-07-19 → 2017-01-19 · 4 obs

● 2015-07-19 09:13:48
● 2017-01-19 14:18:16
○ 2026-06-05 03:45:12
○ 2026-07-05 11:28:30

○MXcusdomain.iinet.net.au2015-07-19 → 2017-01-19 · 4 obs

● 2015-07-19 09:13:48
● 2017-01-19 14:18:16
○ 2026-06-05 03:45:12
○ 2026-07-05 11:28:30

●MXdefn-com-au.mail.protection.outlook.com2026-06-05 → 2026-07-05 · 3 obs

○ 2017-01-19 14:18:16
● 2026-06-05 03:45:12
● 2026-07-05 11:28:30

●A198.185.159.1442026-06-05 → 2026-07-05 · 3 obs

○ 2017-01-19 14:18:16
● 2026-06-05 03:45:12
● 2026-07-05 11:28:30

●A198.185.159.1452026-06-05 → 2026-07-05 · 3 obs

○ 2017-01-19 14:18:16
● 2026-06-05 03:45:12
● 2026-07-05 11:28:30

●A198.49.23.1442026-06-05 → 2026-07-05 · 3 obs

○ 2017-01-19 14:18:16
● 2026-06-05 03:45:12
● 2026-07-05 11:28:30

●A198.49.23.1452026-06-05 → 2026-07-05 · 3 obs

○ 2017-01-19 14:18:16
● 2026-06-05 03:45:12
● 2026-07-05 11:28:30

○A203.0.178.912015-07-19 → 2017-01-19 · 4 obs

● 2015-07-19 09:13:48
● 2017-01-19 14:18:16
○ 2026-06-05 03:45:12
○ 2026-07-05 11:28:30

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
au	r.au, q.au, t.au, s.au...	-
defn.com.au	ns25.digicertdns.net, ns22.digicertdns.com, ns23.digicertdns.net, ns20.digicertdns.com...	-

✅ Authoritative Response

Server:208.94.149.223

NS records: ns25.digicertdns.net, ns22.digicertdns.com, ns23.digicertdns.net, ns20.digicertdns.com, ns21.digicertdns.com, ns24.digicertdns.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 508ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`198.49.23.145, 198.49.23.144...`
NS	6	`ns20.digicertdns.com, ns22.digicertdns.com...`
MX	1	`defn-com-au.mail.protection.outlook.com`
TXT	2	`v=spf1 +a +mx ip4:198.185.159.145 ip4:19, MS=D0034F550F4C3C7157939F4F8BA0504C7C6EC`
SOA	1	`ns20.digicertdns.com dns.digicertdns.com`

Analysis

IP Addresses

defn.com.au points to the four IP addresses 198.49.23.144, 198.49.23.145, 198.185.159.144 and 198.185.159.145.

Additional host names — rufoart.net, hhprop.com, accountingtaskforce.com and two others — share IP numbers with defn.com.au.

Name Servers

defn.com.au carries NS records listing 6 name servers — ns20.digicertdns.com, ns21.digicertdns.com, ns22.digicertdns.com and 3 others.

There is at least partial name server overlap between defn.com.au and other domains — sendwiz2.com, anzupgo.com, hotelcaju.com and two more among them.

These name servers regularly appear alongside ns24.digicertdns.net, ns23.digicertdns.net, ns25.digicertdns.net and 6 other name servers in NS record sets.

Host names with two IP numbers:

The A records for ns20.digicertdns.com return 208.94.148.223 and 2600:1800:10::1:1f.

The A records for ns21.digicertdns.com return 208.80.124.223 and 2600:1801:11::1:1f.

The A records for ns22.digicertdns.com return 208.80.126.223 and 2600:1802:12::1:1f.

The A records for ns23.digicertdns.net return 208.80.125.223 and 2600:1801:13::1:1f.

The A records for ns24.digicertdns.net return 208.80.127.223 and 2600:1802:14::1:1f.

The A records for ns25.digicertdns.net return 208.94.149.223 and 2600:1800:15::1:1f.