`book-lessons.com`

DNSSEC	⚠️ Not signed
NS	`dns1.p01.nsone.net` ⭐
		A	2620:4d:4000:6259:7:1:0:1^{🇺🇸 NSONE2620:4d:4000::/48 2620:4D:4000::/48}
			PTR	`dns1.p01.nsone.net`
		A	198.51.44.1^{🇺🇸 NSONE198.51.44.0/24 198.51.44.0}
			PTR	`dns1.p01.nsone.net`
NS	`dns1.p02.nsone.net`
		A	2620:4d:4000:6259:7:2:0:1^{🇺🇸 NSONE2620:4d:4000::/48 2620:4D:4000::/48}
			PTR	`dns1.p02.nsone.net`
		A	198.51.44.2^{🇺🇸 NSONE198.51.44.0/24 198.51.44.0}
			PTR	`dns1.p02.nsone.net`
NS	`dns2.p02.nsone.net`
		A	2a00:edc0:6259:7:2::2^{🇺🇸 NSONE2a00:edc0:6259::/48 NS1-2}
			PTR	`dns2.p02.nsone.net`
		A	198.51.45.2^{🇺🇸 NSONE198.51.45.0/24 198.51.45.0}
			PTR	`dns2.p02.nsone.net`
NS	`dns3.p02.nsone.net`
		A	2620:4d:4000:6259:7:2:0:3^{🇺🇸 NSONE2620:4d:4000::/48 2620:4D:4000::/48}
			PTR	`dns3.p02.nsone.net`
		A	198.51.44.66^{🇺🇸 NSONE198.51.44.0/24 198.51.44.0}
			PTR	`dns3.p02.nsone.net`
NS	`dns4.p02.nsone.net`
		A	2a00:edc0:6259:7:2::4^{🇺🇸 NSONE2a00:edc0:6259::/48 NS1-2}
			PTR	`dns4.p02.nsone.net`
		A	198.51.45.66^{🇺🇸 NSONE198.51.45.0/24 198.51.45.0}
			PTR	`dns4.p02.nsone.net`
SOA	`dns1.p01.nsone.net`domains+netlify@netlify.com serial=1707921723

`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=1784465472

Same first word

book-lessons.com

DNS History

20 records (5 active, 15 former)

●NSdns1.p01.nsone.net2026-02-21 → 2026-07-19 · 3 obs

○ 2017-06-29 05:24:14
● 2026-02-21 12:44:16
● 2026-07-19 13:10:12

●NSdns1.p02.nsone.net2026-02-21 → 2026-07-19 · 3 obs

○ 2017-06-29 05:24:14
● 2026-02-21 12:44:16
● 2026-07-19 13:10:12

○NSdns1.registrar-servers.com2016-11-29 → 2017-06-29 · 5 obs

○ 2015-10-31 16:58:56
● 2016-11-29 18:15:18
● 2017-06-29 05:24:14
○ 2026-02-21 12:44:16
○ 2026-07-19 13:10:12

●NSdns2.p02.nsone.net2026-02-21 → 2026-07-19 · 3 obs

○ 2017-06-29 05:24:14
● 2026-02-21 12:44:16
● 2026-07-19 13:10:12

○NSdns2.registrar-servers.com2016-11-29 → 2017-06-29 · 5 obs

○ 2015-10-31 16:58:56
● 2016-11-29 18:15:18
● 2017-06-29 05:24:14
○ 2026-02-21 12:44:16
○ 2026-07-19 13:10:12

●NSdns3.p02.nsone.net2026-02-21 → 2026-07-19 · 3 obs

○ 2017-06-29 05:24:14
● 2026-02-21 12:44:16
● 2026-07-19 13:10:12

●NSdns4.p02.nsone.net2026-02-21 → 2026-07-19 · 3 obs

○ 2017-06-29 05:24:14
● 2026-02-21 12:44:16
● 2026-07-19 13:10:12

○NSns1.trafficz.com2008-03-08 → 2008-03-08 · 3 obs

● 2008-03-08 01:57:16
○ 2015-10-31 16:58:56
○ 2026-07-19 13:10:12

○NSns2.trafficz.com2008-03-08 → 2008-03-08 · 3 obs

● 2008-03-08 01:57:16
○ 2015-10-31 16:58:56
○ 2026-07-19 13:10:12

○MXeforward1.registrar-servers.com2016-11-29 → 2017-06-29 · 4 obs

● 2016-11-29 18:15:18
● 2017-06-29 05:24:14
○ 2026-02-21 12:44:16
○ 2026-07-19 13:10:12

○MXeforward2.registrar-servers.com2016-11-29 → 2017-06-29 · 4 obs

● 2016-11-29 18:15:18
● 2017-06-29 05:24:14
○ 2026-02-21 12:44:16
○ 2026-07-19 13:10:12

○MXeforward3.registrar-servers.com2016-11-29 → 2017-06-29 · 4 obs

● 2016-11-29 18:15:18
● 2017-06-29 05:24:14
○ 2026-02-21 12:44:16
○ 2026-07-19 13:10:12

○MXeforward4.registrar-servers.com2016-11-29 → 2017-06-29 · 4 obs

● 2016-11-29 18:15:18
● 2017-06-29 05:24:14
○ 2026-02-21 12:44:16
○ 2026-07-19 13:10:12

○MXeforward5.registrar-servers.com2016-11-29 → 2017-06-29 · 4 obs

● 2016-11-29 18:15:18
● 2017-06-29 05:24:14
○ 2026-02-21 12:44:16
○ 2026-07-19 13:10:12

○A15.236.181.2492026-02-21 → 2026-07-19 · 2 obs

○ 2026-02-21 12:44:16
○ 2026-07-19 13:10:12

○A162.255.119.2482016-11-29 → 2017-06-29 · 5 obs

○ 2015-10-31 16:58:56
● 2016-11-29 18:15:18
● 2017-06-29 05:24:14
○ 2026-02-21 12:44:16
○ 2026-07-19 13:10:12

○A51.44.57.1272026-02-21 → 2026-07-19 · 2 obs

○ 2026-02-21 12:44:16
○ 2026-07-19 13:10:12

○A52.47.155.552026-02-21 → 2026-07-19 · 2 obs

○ 2026-02-21 12:44:16
○ 2026-07-19 13:10:12

○A64.14.244.602008-03-08 → 2008-03-08 · 3 obs

● 2008-03-08 01:57:16
○ 2015-10-31 16:58:56
○ 2026-07-19 13:10:12

○A64.34.46.602008-03-08 → 2008-03-08 · 3 obs

● 2008-03-08 01:57:16
○ 2015-10-31 16:58:56
○ 2026-07-19 13:10:12

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	m.gtld-servers.net, a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net...	-
book-lessons.com	dns1.p02.nsone.net, dns2.p02.nsone.net, dns3.p02.nsone.net, dns4.p02.nsone.net	-

✅ Authoritative Response

Server:198.51.44.2

NS records: dns1.p02.nsone.net, dns2.p02.nsone.net, dns3.p02.nsone.net, dns4.p02.nsone.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for book-lessons.com (unsigned zone)

⏱️ Timing

Total: 611ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	4	`dns1.p02.nsone.net, dns2.p02.nsone.net...`
SOA	1	`dns1.p01.nsone.net domains+netlify.netli`

Analysis

Name Servers

Delegation for book-lessons.com is to five name servers: dns1.p01.nsone.net, dns1.p02.nsone.net, dns2.p02.nsone.net and two others.

book-lessons.com has at least partial name server overlap with other domains, such as margotalais.com, palliaclothing.uk, stopp-hepatitis.at and two others.

dns3.p02.nsone.net, dns4.p02.nsone.net and ns01.squarespacedns.com — plus 7 other name servers — are commonly paired with these name servers.

Host names with two IP numbers:

The A records for dns1.p01.nsone.net return 198.51.44.1 and 2620:4d:4000:6259:7:1:0:1.

The A records for dns1.p02.nsone.net return 198.51.44.2 and 2620:4d:4000:6259:7:2:0:1.

The A records for dns2.p02.nsone.net return 198.51.45.2 and 2a00:edc0:6259:7:2::2.

The A records for dns3.p02.nsone.net return 198.51.44.66 and 2620:4d:4000:6259:7:2:0:3.

The A records for dns4.p02.nsone.net return 198.51.45.66 and 2a00:edc0:6259:7:2::4.