`bookskilessons.com`

DNSSEC	🔒 Signed (DS record present)
A	94.231.103.100^{🇩🇰 team-blue-denmark94.231.96.0/20 ZITCOM A/S}
		PTR	`dnsforward.simply.com`
NS	`ns1.simply.com` ⭐
		A	2a02:2339:1:15c::4562:4562^{🇩🇰 team-blue-denmark2a02:2339::/36}
			PTR	`ns1.simply.com`
		A	91.197.248.78^{🇩🇰 team-blue-denmark91.197.248.0/22}
			PTR	`ns1.simply.com`
NS	`ns2.simply.com`
		A	2a02:2339:4006:101::4562:4562^{🇩🇰 team-blue-denmark2a02:2339:4000::/34}
			PTR	`ns2.simply.com`
		A	185.25.141.15^{🇩🇰 team-blue-denmark185.25.141.0/24 Zitcom A/S}
			PTR	`ns2.simply.com`
NS	`ns3.simply.com`
		A	91.197.248.79^{🇩🇰 team-blue-denmark91.197.248.0/22}
			PTR	`ns3.simply.com`
NS	`ns4.simply.com`
		A	91.197.248.80^{🇩🇰 team-blue-denmark91.197.248.0/22}
			PTR	`ns4.simply.com`
SOA	`ns1.simply.com`hostmaster@simply.com 2020-07-29 #90

`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=1774933137

Same first word

bookskilessons.com

DNS History

9 records (5 active, 4 former)

●NSns1.simply.com2026-03-31 → 2026-03-31 · 2 obs

○ 2017-08-30 13:45:36
● 2026-03-31 05:10:48

○NSns1.unoeuro.com2016-12-18 → 2017-08-30 · 3 obs

● 2016-12-18 13:17:20
● 2017-08-30 13:45:36
○ 2026-03-31 05:10:48

●NSns2.simply.com2026-03-31 → 2026-03-31 · 2 obs

○ 2017-08-30 13:45:36
● 2026-03-31 05:10:48

○NSns2.unoeuro.com2016-12-18 → 2017-08-30 · 3 obs

● 2016-12-18 13:17:20
● 2017-08-30 13:45:36
○ 2026-03-31 05:10:48

●NSns3.simply.com2026-03-31 → 2026-03-31 · 2 obs

○ 2017-08-30 13:45:36
● 2026-03-31 05:10:48

○NSns3.unoeuro.com2016-12-18 → 2017-08-30 · 3 obs

● 2016-12-18 13:17:20
● 2017-08-30 13:45:36
○ 2026-03-31 05:10:48

●NSns4.simply.com2026-03-31 → 2026-03-31 · 2 obs

○ 2017-08-30 13:45:36
● 2026-03-31 05:10:48

○NSns4.unoeuro.com2016-12-18 → 2017-08-30 · 3 obs

● 2016-12-18 13:17:20
● 2017-08-30 13:45:36
○ 2026-03-31 05:10:48

●A94.231.103.1002016-12-18 → 2026-03-31 · 2 obs

● 2016-12-18 13:17:20
● 2026-03-31 05:10:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
bookskilessons.com	ns1.simply.com, ns2.simply.com, ns3.simply.com, ns4.simply.com	6 records

✅ Authoritative Response

Server:91.197.248.80

NS records: ns1.simply.com, ns2.simply.com, ns3.simply.com, ns4.simply.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 446ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`94.231.103.100`
NS	4	`ns2.simply.com, ns1.simply.com...`
SOA	1	`ns1.simply.com hostmaster.simply.com`

📌 Glue Records Collected

Total: 6

Out-of-bailiwick: 6 (ns1.simply.com, ns1.simply.com, ns2.simply.com...)

Analysis

IP Addresses

bookskilessons.com resolves to a single IP address: 94.231.103.100.

Other host names including freemp3like.com, www.farout.dk, onesky.dk, kalia.dk and grent.dk share IP numbers with bookskilessons.com.

Name Servers

bookskilessons.com is delegated to four name servers: ns1.simply.com, ns2.simply.com, ns3.simply.com and ns4.simply.com.

bookskilessons.com at least partially shares name servers with other domains, including stegkliniken.com, 9800.dk, presenten.eu, bibliotekernesnetguide.dk and netpatient.net.

Host names with two IP numbers: ns1.simply.com points to 2a02:2339:1:15c::4562:4562 and 91.197.248.78; ns2.simply.com points to 2a02:2339:4006:101::4562:4562 and 185.25.141.15.

Host names with one IP number: ns3.simply.com points to 91.197.248.79; ns4.simply.com points to 91.197.248.80.

bookskilessons.com - robtex.com