`resourcebooks.com`

DNSSEC	⚠️ Not signed
A	207.148.248.143^{🇺🇸 EIG-29873207.148.248.0/24}
NS	`ns.buydomains.com` ⚠️ Not in zone NS records
		A	52.20.26.87^{🇺🇸 Amazon52.20.0.0/14 EC2 IAD prefix}
			PTR	`ec2-52-20-26-87.compute-1.amazonaws.com`
NS	`this-domain-for-sale.com` ⚠️ Not in zone NS records
		A	52.20.26.87^{🇺🇸 Amazon52.20.0.0/14 EC2 IAD prefix}
			PTR	`ec2-52-20-26-87.compute-1.amazonaws.com`

`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=1776128457

Subdomains

hostmaster.resourcebooks.com

Same first word

resourcebooks.com

resourcebooks.net

Similar names

coursebookers.com

resourcesbook.com

DNS History

7 records (3 active, 4 former)

●NSns.buydomains.com2007-11-01 → 2026-04-14 · 2 obs

● 2007-11-01 04:29:32
● 2026-04-14 01:22:56

●NSthis-domain-for-sale.com2007-11-01 → 2026-04-14 · 5 obs

● 2007-11-01 04:29:32
○ 2015-08-06 20:45:00
○ 2020-01-22 02:28:48
● 2026-03-10 00:07:00
● 2026-04-14 01:22:56

○MXdev.null2007-11-01 → 2007-11-01 · 3 obs

● 2007-11-01 04:29:32
○ 2015-08-06 20:45:00
○ 2026-04-14 01:22:56

○A141.8.225.1242015-12-01 → 2016-04-20 · 5 obs

○ 2015-08-06 20:45:00
● 2015-12-01 01:32:50
● 2016-04-20 01:57:40
○ 2017-02-15 11:47:16
○ 2026-04-14 01:22:56

●A207.148.248.1432017-02-15 → 2026-04-14 · 5 obs

○ 2016-04-20 01:57:40
● 2017-02-15 11:47:16
● 2026-03-10 00:07:00
○ 2026-03-17 18:23:46
● 2026-04-14 01:22:56

○A208.254.3.1662007-11-01 → 2007-11-01 · 3 obs

● 2007-11-01 04:29:32
○ 2015-08-06 20:45:00
○ 2026-04-14 01:22:56

○A50.63.202.1042015-08-06 → 2015-08-06 · 4 obs

○ 2007-11-01 04:29:32
● 2015-08-06 20:45:00
○ 2015-12-01 01:32:50
○ 2026-04-14 01:22:56

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
resourcebooks.com	ns.buydomains.com, this-domain-for-sale.com	2 records

✅ Authoritative Response

Server:52.4.207.204

NS records: ns.buydomains.com, this-domain-for-sale.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for resourcebooks.com (unsigned zone)

⏱️ Timing

Total: 98ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`207.148.248.143`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns.buydomains.com, this-domain-for-sale.com)

Analysis

Hierarchy

resourcebooks.com is a parent of hostmaster.resourcebooks.com.

IP Addresses

resourcebooks.com points to a single IP address: 207.148.248.143.

Other host names such as ptcnet.com, championtournaments.com, waterrecreation.com, barbwire.net and ivensphotography.com share IP numbers with resourcebooks.com.

Name Servers

resourcebooks.com is delegated to two name servers: this-domain-for-sale.com and ns.buydomains.com.

resourcebooks.com uses the same name server setup as other domains, including acropolisweb.com, merivix.com, writersstory.com, thermalcoding.com and technoinspiration.com.

resourcebooks.com shares some name servers with other domains, for example inspiringdads.com.

Host names sharing a single IP: this-domain-for-sale.com and ns.buydomains.com point to 52.20.26.87.

resourcebooks.com - robtex.com