`promnotebook.com`

DNSSEC	⚠️ Not signed
NS	`pdns73.ultradns.com` ⭐
		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.biz`
		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.net`
		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`
		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`
SOA	`pdns73.ultradns.com`hostmaster@hearst.com 2015-03-12 #2

`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=1771291435

Same first word

promnotebook.com

DNS History

4 records (4 active, 0 former)

●NSpdns73.ultradns.biz2015-07-17 → 2026-03-23 · 2 obs

● 2015-07-17 06:32:56
● 2026-03-23 15:31:28

●NSpdns73.ultradns.com2015-07-17 → 2026-03-23 · 2 obs

● 2015-07-17 06:32:56
● 2026-03-23 15:31:28

●NSpdns73.ultradns.net2015-07-17 → 2026-03-23 · 2 obs

● 2015-07-17 06:32:56
● 2026-03-23 15:31:28

●NSpdns73.ultradns.org2015-07-17 → 2026-03-23 · 2 obs

● 2015-07-17 06:32:56
● 2026-03-23 15:31:28

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, h.gtld-servers.net, m.gtld-servers.net, f.gtld-servers.net...	-
promnotebook.com	pdns73.ultradns.net, pdns73.ultradns.com, pdns73.ultradns.org, pdns73.ultradns.biz	2 records

✅ Authoritative Response

Server:156.154.65.73

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for promnotebook.com (unsigned zone)

⏱️ Timing

Total: 295ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	4	`pdns73.ultradns.biz, pdns73.ultradns.com...`
SOA	1	`pdns73.ultradns.com hostmaster.hearst.co`

📌 Glue Records Collected

Total: 2

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

Analysis

Name Servers

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

At least part of the name servers for promnotebook.com are shared with other domains, for instance supportivestage.pro, next-till.pro, fun767.com, office-shoes.eu and womenshealthmag.ru.

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

promnotebook.com - robtex.com