`expedia.au`

DNSSEC	⚠️ Not signed
NS	`pdns1.ultradns.net` ⭐
		A	2001:502:f3ff::1^{🇺🇸 MAINT-ID-120082001:502:f3ff::/48 Neustar}
			PTR	`pdns1.ultradns.net`
		A	204.74.108.1^{🇺🇸 MAINT-ID-12008204.74.108.0/24 Neustar}
			PTR	`pdns1.ultradns.net`
NS	`pdns2.ultradns.net`
		A	2610:a1:1014::1^{🇺🇸 MAINT-ID-120082610:a1:1014::/48 Neustar}
			PTR	`pdns2.ultradns.net`
		A	204.74.109.1^{🇺🇸 MAINT-ID-12008204.74.109.0/24 Neustar}
			PTR	`pdns2.ultradns.net`
NS	`pdns3.ultradns.org`
		A	2610:a1:1015::1^{🇺🇸 MAINT-ID-120082610:a1:1015::/48 Neustar}
			PTR	`pdns3.ultradns.org`
		A	199.7.68.1^{🇺🇸 MAINT-ID-12008199.7.68.0/24 Neustar}
			PTR	`pdns3.ultradns.org`
NS	`pdns4.ultradns.org`
		A	2001:502:4612::1^{🇺🇸 MAINT-ID-120082001:502:4612::/48 Neustar}
			PTR	`pdns4.ultradns.org`
		A	199.7.69.1^{🇺🇸 MAINT-ID-12008199.7.69.0/24 Neustar}
			PTR	`pdns4.ultradns.org`
NS	`pdns5.ultradns.info`
		A	2610:a1:1016::1^{🇺🇸 MAINT-ID-120082610:a1:1016::/48 Neustar}
			PTR	`pdns5.ultradns.info`
		A	204.74.114.1^{🇺🇸 MAINT-ID-12008204.74.114.0/24 Neustar}
			PTR	`pdns5.ultradns.info`
NS	`pdns6.ultradns.co.uk`
		A	2610:a1:1017::1^{🇺🇸 MAINT-ID-120082610:a1:1017::/48 Neustar}
			PTR	`pdns6.ultradns.co.uk`
		A	204.74.115.1^{🇺🇸 MAINT-ID-12008204.74.115.0/24 Neustar}
			PTR	`pdns6.ultradns.co.uk`
SOA	`pdns1.ultradns.net`domains@expedia.com 2024-10-03 #1

`au`

	DNSSEC	🔒 Signed (DS record present)
	NS	`q.au` ⭐
	NS	`a.au`
	NS	`r.au`
	NS	`s.au`
	NS	`t.au`
	SOA	`q.au`hostmaster@donuts.email serial=1785751768

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DNS History

6 records (6 active, 0 former)

●NSpdns1.ultradns.net2026-07-31 → 2026-08-03 · 2 obs

● 2026-07-31 17:20:58
● 2026-08-03 10:12:14

●NSpdns2.ultradns.net2026-07-31 → 2026-08-03 · 2 obs

● 2026-07-31 17:20:58
● 2026-08-03 10:12:14

●NSpdns3.ultradns.org2026-07-31 → 2026-08-03 · 2 obs

● 2026-07-31 17:20:58
● 2026-08-03 10:12:14

●NSpdns4.ultradns.org2026-07-31 → 2026-08-03 · 2 obs

● 2026-07-31 17:20:58
● 2026-08-03 10:12:14

●NSpdns5.ultradns.info2026-07-31 → 2026-08-03 · 2 obs

● 2026-07-31 17:20:58
● 2026-08-03 10:12:14

●NSpdns6.ultradns.co.uk2026-07-31 → 2026-08-03 · 2 obs

● 2026-07-31 17:20:58
● 2026-08-03 10:12:14

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
au	r.au, t.au, s.au, q.au...	-
expedia.au	pdns2.ultradns.net, pdns3.ultradns.org, pdns6.ultradns.co.uk, pdns5.ultradns.info...	-

✅ Authoritative Response

Server:204.74.114.1

NS records: pdns2.ultradns.net, pdns3.ultradns.org, pdns6.ultradns.co.uk, pdns5.ultradns.info, pdns1.ultradns.net, pdns4.ultradns.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for expedia.au (unsigned zone)

⏱️ Timing

Total: 485ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	6	`pdns1.ultradns.net, pdns2.ultradns.net...`
SOA	1	`pdns1.ultradns.net domains.expedia.com`

Analysis

Name Servers

expedia.au is delegated to 6 name servers: pdns5.ultradns.info, pdns1.ultradns.net, pdns2.ultradns.net and 3 other.

expedia.au shares at least some of its name servers with other domains, including 195.66.18.in-addr.arpa, 70.64.18.in-addr.arpa, 221.21.72.in-addr.arpa and two others.

The name servers pdns3.ultradns.org, pdns4.ultradns.org, pdns6.ultradns.co.uk and two others are commonly seen in use alongside these name servers.

Host names that have two IP addresses:

pdns5.ultradns.info points to 204.74.114.1 and 2610:a1:1016::1.

pdns1.ultradns.net points to 204.74.108.1 and 2001:502:f3ff::1.

pdns2.ultradns.net points to 204.74.109.1 and 2610:a1:1014::1.

pdns3.ultradns.org points to 199.7.68.1 and 2610:a1:1015::1.

pdns4.ultradns.org points to 199.7.69.1 and 2001:502:4612::1.

pdns6.ultradns.co.uk points to 204.74.115.1 and 2610:a1:1017::1.