`doctorsleepbook.com`

DNSSEC	⚠️ Not signed
A	54.221.208.162^{🇺🇸 Amazon54.221.0.0/16 EC2 IAD prefix}
		PTR	`ec2-54-221-208-162.compute-1.amazonaws.com`
NS	`dns1.p09.nsone.net` ⭐
		A	2620:4d:4000:6259:7:9:0:1^{🇺🇸 NSONE2620:4d:4000::/48 PNAP-ACS nsone-1}
			PTR	`dns1.p09.nsone.net`
			PTR	`ns4.demysdns.co.uk`
		A	198.51.44.9^{🇺🇸 NSONE198.51.44.0/24}
			PTR	`dns1.p09.nsone.net`
			PTR	`ns4.demysdns.co.uk`
NS	`dns2.p09.nsone.net`
		A	2a00:edc0:6259:7:9::2^{🇺🇸 NSONE2a00:edc0:6259::/48 NS1-2}
			PTR	`dns2.p09.nsone.net`
			PTR	`ns5.demysdns.co.uk`
		A	198.51.45.9^{🇺🇸 NSONE198.51.45.0/24}
			PTR	`dns2.p09.nsone.net`
			PTR	`ns5.demysdns.co.uk`
NS	`dns3.p09.nsone.net`
		A	2620:4d:4000:6259:7:9:0:3^{🇺🇸 NSONE2620:4d:4000::/48 PNAP-ACS nsone-1}
			PTR	`dns3.p09.nsone.net`
			PTR	`ns6.demysdns.co.uk`
		A	198.51.44.73^{🇺🇸 NSONE198.51.44.0/24}
			PTR	`dns3.p09.nsone.net`
			PTR	`ns6.demysdns.co.uk`
NS	`dns4.p09.nsone.net`
		A	2a00:edc0:6259:7:9::4^{🇺🇸 NSONE2a00:edc0:6259::/48 NS1-2}
			PTR	`ns7.demysdns.com`
			PTR	`dns4.p09.nsone.net`
		A	198.51.45.73^{🇺🇸 NSONE198.51.45.0/24}
			PTR	`ns7.demysdns.com`
			PTR	`dns4.p09.nsone.net`
SOA	`dns1.p09.nsone.net`hostmaster@nsone.net serial=1620151659

`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=1785495802

Same first word

doctorsleepbook.com

DNS History

11 records (5 active, 6 former)

●NSdns1.p09.nsone.net2026-07-05 → 2026-07-31 · 3 obs

○ 2017-11-11 10:58:46
● 2026-07-05 12:21:26
● 2026-07-31 11:11:10

●NSdns2.p09.nsone.net2026-07-05 → 2026-07-31 · 3 obs

○ 2017-11-11 10:58:46
● 2026-07-05 12:21:26
● 2026-07-31 11:11:10

●NSdns3.p09.nsone.net2026-07-05 → 2026-07-31 · 3 obs

○ 2017-11-11 10:58:46
● 2026-07-05 12:21:26
● 2026-07-31 11:11:10

●NSdns4.p09.nsone.net2026-07-05 → 2026-07-31 · 3 obs

○ 2017-11-11 10:58:46
● 2026-07-05 12:21:26
● 2026-07-31 11:11:10

○NSns1.cbsig.net2015-06-08 → 2016-11-23 · 4 obs

● 2015-06-08 16:33:36
● 2016-11-23 11:30:16
○ 2017-11-11 10:58:46
○ 2026-07-31 11:11:10

○NSns10.cbsig.net2017-11-11 → 2017-11-11 · 4 obs

○ 2016-11-23 11:30:16
● 2017-11-11 10:58:46
○ 2026-07-05 12:21:26
○ 2026-07-31 11:11:10

○NSns11.cbsig.net2017-11-11 → 2017-11-11 · 4 obs

○ 2016-11-23 11:30:16
● 2017-11-11 10:58:46
○ 2026-07-05 12:21:26
○ 2026-07-31 11:11:10

○NSns2.cbsig.net2015-06-08 → 2016-11-23 · 4 obs

● 2015-06-08 16:33:36
● 2016-11-23 11:30:16
○ 2017-11-11 10:58:46
○ 2026-07-31 11:11:10

○NSns4.cbsig.net2015-06-08 → 2016-11-23 · 4 obs

● 2015-06-08 16:33:36
● 2016-11-23 11:30:16
○ 2017-11-11 10:58:46
○ 2026-07-31 11:11:10

○NSns5.cbsig.net2015-06-08 → 2016-11-23 · 4 obs

● 2015-06-08 16:33:36
● 2016-11-23 11:30:16
○ 2017-11-11 10:58:46
○ 2026-07-31 11:11:10

●A54.221.208.1622015-06-08 → 2026-07-31 · 2 obs

● 2015-06-08 16:33:36
● 2026-07-31 11:11:10

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
doctorsleepbook.com	dns1.p09.nsone.net, dns2.p09.nsone.net, dns3.p09.nsone.net, dns4.p09.nsone.net	-

✅ Authoritative Response

Server:198.51.44.9

NS records: dns1.p09.nsone.net, dns2.p09.nsone.net, dns3.p09.nsone.net, dns4.p09.nsone.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for doctorsleepbook.com (unsigned zone)

⏱️ Timing

Total: 332ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`54.221.208.162`
NS	4	`dns1.p09.nsone.net, dns2.p09.nsone.net...`
SOA	1	`dns1.p09.nsone.net hostmaster.nsone.net`

Analysis

IP Addresses

doctorsleepbook.com resolves to just one IP address, 54.221.208.162.

Among the host names that share IP numbers with doctorsleepbook.com is ec2-54-221-208-162.compute-1.amazonaws.com, as one example.

Name Servers

The NS records for doctorsleepbook.com point to four name servers: dns1.p09.nsone.net, dns2.p09.nsone.net, dns3.p09.nsone.net and dns4.p09.nsone.net.

The name servers of doctorsleepbook.com overlap at least partially with those of other domains — among them camelothouse.com, vipgoldswap.com, after60minutes.com and two more.

These name servers commonly appear in delegations together with dns1.p01.nsone.net, ns0004.secondary.cloudflare.com, ns0243.secondary.cloudflare.com and 7 other.

Each of the four hosts dns1.p09.nsone.net, dns2.p09.nsone.net, dns3.p09.nsone.net and dns4.p09.nsone.net has two IP addresses. dns1.p09.nsone.net points to 198.51.44.9 and 2620:4d:4000:6259:7:9:0:1. dns2.p09.nsone.net points to 198.51.45.9 and 2a00:edc0:6259:7:9::2. dns3.p09.nsone.net points to 198.51.44.73 and 2620:4d:4000:6259:7:9:0:3. dns4.p09.nsone.net points to 198.51.45.73 and 2a00:edc0:6259:7:9::4.

doctorsleepbook.com - robtex.com