`ultimatepuzzlesource.com`

DNSSEC	⚠️ Not signed
NS	`pdns73.ultradns.biz` ⚠️ Not in zone NS records
		A	2610:a1:1015::6d^{🇺🇸 MAINT-ID-120082610:a1:1015::/48 Neustar}
			PTR	`pdns73.ultradns.biz`
		A	156.154.66.73^{🇺🇸 MAINT-ID-12008156.154.66.0/24 Neustar}
			PTR	`pdns73.ultradns.biz`
NS	`pdns73.ultradns.com` ⚠️ Not in zone NS records
		A	2001:502:f3ff::6d^{🇺🇸 MAINT-ID-120082001:502:f3ff::/48 Neustar}
			PTR	`pdns73.ultradns.com`
		A	156.154.64.73^{🇺🇸 MAINT-ID-12008156.154.64.0/24 Neustar}
			PTR	`pdns73.ultradns.com`
NS	`pdns73.ultradns.net` ⚠️ Not in zone NS records
		A	2610:a1:1014::6d^{🇺🇸 MAINT-ID-120082610:a1:1014::/48 Neustar}
			PTR	`pdns73.ultradns.net`
		A	156.154.65.73^{🇺🇸 MAINT-ID-12008156.154.65.0/24 Neustar}
			PTR	`pdns73.ultradns.net`
NS	`pdns73.ultradns.org` ⚠️ Not in zone NS records
		A	2001:502:4612::6d^{🇺🇸 MAINT-ID-120082001:502:4612::/48 Neustar}
			PTR	`pdns73.ultradns.org`
		A	156.154.67.73^{🇺🇸 MAINT-ID-12008156.154.67.0/24 Neustar}
			PTR	`pdns73.ultradns.org`

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1774400362

Same first word

ultimatepuzzlesource.com

DNS History

5 records (4 active, 1 former)

●NSpdns73.ultradns.biz2026-03-17 → 2026-03-25 · 2 obs

● 2026-03-17 08:43:00
● 2026-03-25 01:04:18

●NSpdns73.ultradns.com2026-03-17 → 2026-03-25 · 2 obs

● 2026-03-17 08:43:00
● 2026-03-25 01:04:18

●NSpdns73.ultradns.net2026-03-17 → 2026-03-25 · 2 obs

● 2026-03-17 08:43:00
● 2026-03-25 01:04:18

●NSpdns73.ultradns.org2026-03-17 → 2026-03-25 · 2 obs

● 2026-03-17 08:43:00
● 2026-03-25 01:04:18

○A141.8.225.312016-03-25 → 2018-09-11 · 4 obs

● 2016-03-25 17:01:56
● 2018-09-11 00:11:14
○ 2026-03-17 08:43:00
○ 2026-03-25 01:04:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, d.gtld-servers.net, h.gtld-servers.net, f.gtld-servers.net...	-
ultimatepuzzlesource.com	pdns73.ultradns.net, pdns73.ultradns.com, pdns73.ultradns.org, pdns73.ultradns.biz	2 records

✅ Authoritative Response

Server:156.154.64.73

NS records: pdns73.ultradns.net, pdns73.ultradns.com, pdns73.ultradns.org, pdns73.ultradns.biz

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ultimatepuzzlesource.com (unsigned zone)

⏱️ Timing

Total: 417ms | Queries: -

📄 Records

Type	Count	Sample Data

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (pdns73.ultradns.com, pdns73.ultradns.com)

Analysis

Name Servers

ultimatepuzzlesource.com is delegated to four name servers: pdns73.ultradns.biz, pdns73.ultradns.com, pdns73.ultradns.net and pdns73.ultradns.org.

ultimatepuzzlesource.com at least partially shares name servers with other domains, for instance idolized-laugh.com, spotted-speech.com, zynx.healthcare, nocturnal-convert.pro and ambitiousdemand.com.

These name servers are commonly used alongside pdns73.ultradns.info and pdns73.ultradns.co.uk.

Host names with two IP numbers:

pdns73.ultradns.biz points to 2610:a1:1015::6d and 156.154.66.73; pdns73.ultradns.com points to 2001:502:f3ff::6d and 156.154.64.73; pdns73.ultradns.net points to 2610:a1:1014::6d and 156.154.65.73; pdns73.ultradns.org points to 2001:502:4612::6d and 156.154.67.73.

ultimatepuzzlesource.com - robtex.com