`resourcebooks.net`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::6815:1b59^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3033::ac43:a916^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.27.89^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.169.22^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`max.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b84^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`max.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c184^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`max.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2184^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`max.ns.cloudflare.com`
		A	108.162.193.132^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`max.ns.cloudflare.com`
		A	172.64.33.132^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`max.ns.cloudflare.com`
		A	173.245.59.132^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`max.ns.cloudflare.com`
NS	`yolanda.ns.cloudflare.com`
		A	2606:4700:50::adf5:3af1^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`yolanda.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0f1^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`yolanda.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20f1^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`yolanda.ns.cloudflare.com`
		A	108.162.192.241^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`yolanda.ns.cloudflare.com`
		A	172.64.32.241^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`yolanda.ns.cloudflare.com`
		A	173.245.58.241^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`yolanda.ns.cloudflare.com`
MX	`mx.chrislands.com` ⭐
		A	140.150.198.42^{🇺🇸 Cybercon140.150.192.0/19}
			PTR	`mx.chrislands.com`
TXT	`v=spf1 mx a ip4:140.150.198.32/27 ip4:140.150.198.64/27 ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.27.89, 172.67.169.22
		IPv6 hints	2606:4700:3032::6815:1b59, 2606:4700:3033::ac43:a916
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=175, name=cloudflare-ech.com
SOA	`max.ns.cloudflare.com`dns@cloudflare.com serial=2399215556

`net`

	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=1776114327

Subdomains

www.resourcebooks.net

Same first word

resourcebooks.net

resourcebooks.com

Similar names

coursebookers.com

resourcesbook.com

DNS History

12 records (7 active, 5 former)

●NSmax.ns.cloudflare.com2026-03-05 → 2026-04-13 · 3 obs

○ 2017-06-17 22:24:58
● 2026-03-05 21:08:26
● 2026-04-13 21:05:54

○NSns1.clnameserver.com2007-09-22 → 2017-06-17 · 4 obs

● 2007-09-22 00:36:02
● 2017-06-17 22:24:58
○ 2026-03-05 21:08:26
○ 2026-04-13 21:05:54

○NSns1.linkopoly.com2007-09-22 → 2017-06-17 · 4 obs

● 2007-09-22 00:36:02
● 2017-06-17 22:24:58
○ 2026-03-05 21:08:26
○ 2026-04-13 21:05:54

●NSyolanda.ns.cloudflare.com2026-03-05 → 2026-04-13 · 3 obs

○ 2017-06-17 22:24:58
● 2026-03-05 21:08:26
● 2026-04-13 21:05:54

○MXjatalweb.clnameserver.com2007-09-22 → 2007-09-22 · 3 obs

● 2007-09-22 00:36:02
○ 2015-06-27 10:38:18
○ 2026-04-13 21:05:54

○MXmail.clnameserver.com2015-06-27 → 2017-06-17 · 5 obs

○ 2007-09-22 00:36:02
● 2015-06-27 10:38:18
● 2017-06-17 22:24:58
○ 2026-03-05 21:08:26
○ 2026-04-13 21:05:54

●MXmx.chrislands.com2026-03-05 → 2026-04-13 · 3 obs

○ 2017-06-17 22:24:58
● 2026-03-05 21:08:26
● 2026-04-13 21:05:54

●A104.21.27.892026-03-05 → 2026-04-13 · 3 obs

○ 2017-06-17 22:24:58
● 2026-03-05 21:08:26
● 2026-04-13 21:05:54

●A172.67.169.222026-03-05 → 2026-04-13 · 3 obs

○ 2017-06-17 22:24:58
● 2026-03-05 21:08:26
● 2026-04-13 21:05:54

●A2606:4700:3032::6815:1b592026-03-05 → 2026-04-13 · 3 obs

○ 2017-06-17 22:24:58
● 2026-03-05 21:08:26
● 2026-04-13 21:05:54

●A2606:4700:3033::ac43:a9162026-03-05 → 2026-04-13 · 3 obs

○ 2017-06-17 22:24:58
● 2026-03-05 21:08:26
● 2026-04-13 21:05:54

○A66.201.105.1322007-09-22 → 2017-06-17 · 4 obs

● 2007-09-22 00:36:02
● 2017-06-17 22:24:58
○ 2026-03-05 21:08:26
○ 2026-04-13 21:05:54

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	f.gtld-servers.net, c.gtld-servers.net, i.gtld-servers.net, k.gtld-servers.net...	-
resourcebooks.net	max.ns.cloudflare.com, yolanda.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.192.241

NS records: max.ns.cloudflare.com, yolanda.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for resourcebooks.net (unsigned zone)

⏱️ Timing

Total: 322ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.27.89, 172.67.169.22`
AAAA	2	`2606:4700:3033::ac43:a916, 2606:4700:3032::6815:1b59`
NS	2	`max.ns.cloudflare.com, yolanda.ns.cloudflare.com`
MX	1	`mx.chrislands.com (pri: 0)`
TXT	1	`v=spf1 mx a ip4:140.150.198.32/27 ip4:14`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`max.ns.cloudflare.com dns.cloudflare.com`

Analysis

Hierarchy

resourcebooks.net is the parent of www.resourcebooks.net.

IP Addresses

resourcebooks.net resolves to four IP numbers: 2606:4700:3032::6815:1b59, 2606:4700:3033::ac43:a916, 104.21.27.89 and 172.67.169.22.

other host names for instance getwith.io, bobwelch.net, retrosjordans.us, 52786.cn and 101macromax.digital share IP numbers with resourcebooks.net.

Name Servers

resourcebooks.net is delegated to two name servers: max.ns.cloudflare.com and yolanda.ns.cloudflare.com.

resourcebooks.net shares the same name server setup as other domains, for example whitepinebooks.com, myvisiblechanges.com, garrisonhousebooks.com, puddletownbookshop.co.uk and remnantbooks.org.

resourcebooks.net at least partially shares name servers with other domains, for instance rappel.qc.ca, joseane.com, usagi.fr, sysilk.com.cn and cool-wallpapers.jp.

These name servers are commonly used with the name servers elisa.ns.cloudflare.com.

Host names with six IP numbers:

max.ns.cloudflare.com points to: 2606:4700:58::adf5:3b84, 2803:f800:50::6ca2:c184, 2a06:98c1:50::ac40:2184, 108.162.193.132, 172.64.33.132 and 173.245.59.132; yolanda.ns.cloudflare.com points to: 2606:4700:50::adf5:3af1, 2803:f800:50::6ca2:c0f1, 2a06:98c1:50::ac40:20f1, 108.162.192.241, 172.64.32.241 and 173.245.58.241.

Mail Servers

resourcebooks.net is handled by a single mail server, mx.chrislands.com.

resourcebooks.net shares the same mail server setup as other domains, for instance clnameserver.com, secure-ordello.com, midtownscholar.us, bluestockingbooks.com and rwmilitarybooks.com.

resourcebooks.net shares mail servers with other domains at least partially, including abookstop.com, heswallbooks.co.uk, ssl-secure-server.net, adelaidebooksellers.com.au and hay-on-wyebooks.com.

Host name mx.chrislands.com points to IP address 140.150.198.42.

resourcebooks.net - robtex.com