`ciabooks.com`

DNSSEC	⚠️ Not signed
A	2606:4700::6812:1a17^{🇺🇸 Cloudflare2606:4700::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700::6812:1b17^{🇺🇸 Cloudflare2606:4700::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.18.26.23^{Cloudflare104.18.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.18.27.23^{Cloudflare104.18.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`chan.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a52^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`chan.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c052^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`chan.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2052^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`chan.ns.cloudflare.com`
		A	108.162.192.82^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`chan.ns.cloudflare.com`
		A	172.64.32.82^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`chan.ns.cloudflare.com`
		A	173.245.58.82^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`chan.ns.cloudflare.com`
NS	`frank.ns.cloudflare.com`
		A	2606:4700:58::adf5:3ba6^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`frank.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1a6^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`frank.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21a6^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`frank.ns.cloudflare.com`
		A	108.162.193.166^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`frank.ns.cloudflare.com`
		A	172.64.33.166^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`frank.ns.cloudflare.com`
		A	173.245.59.166^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`frank.ns.cloudflare.com`
HTTPS	HTTP/2 ✓ hints match
		IPv4 hints	104.18.26.23, 104.18.27.23
		IPv6 hints	2606:4700::6812:1a17, 2606:4700::6812:1b17
SOA	`chan.ns.cloudflare.com`dns@cloudflare.com serial=2400112461

`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=1776277597

Same first word

ciabooks.com

Similar names

saicbook.com

osbakcio.hu

abicooks.com

iacbooks.s3.amazonaws.com

DNS History

20 records (6 active, 14 former)

●NSchan.ns.cloudflare.com2026-02-17 → 2026-04-15 · 3 obs

○ 2018-08-27 11:08:06
● 2026-02-17 07:05:42
● 2026-04-15 18:54:40

●NSfrank.ns.cloudflare.com2026-02-17 → 2026-04-15 · 3 obs

○ 2018-08-27 11:08:06
● 2026-02-17 07:05:42
● 2026-04-15 18:54:40

○NSns-1044.awsdns-02.org2017-02-01 → 2018-08-27 · 5 obs

○ 2015-11-11 10:34:06
● 2017-02-01 16:34:52
● 2018-08-27 11:08:06
○ 2026-02-17 07:05:42
○ 2026-04-15 18:54:40

○NSns-1688.awsdns-19.co.uk2017-02-01 → 2018-08-27 · 5 obs

○ 2015-11-11 10:34:06
● 2017-02-01 16:34:52
● 2018-08-27 11:08:06
○ 2026-02-17 07:05:42
○ 2026-04-15 18:54:40

○NSns-355.awsdns-44.com2017-02-01 → 2018-08-27 · 5 obs

○ 2015-11-11 10:34:06
● 2017-02-01 16:34:52
● 2018-08-27 11:08:06
○ 2026-02-17 07:05:42
○ 2026-04-15 18:54:40

○NSns-876.awsdns-45.net2017-02-01 → 2018-08-27 · 5 obs

○ 2015-11-11 10:34:06
● 2017-02-01 16:34:52
● 2018-08-27 11:08:06
○ 2026-02-17 07:05:42
○ 2026-04-15 18:54:40

○NSns07.domaincontrol.com2015-07-02 → 2015-07-02 · 4 obs

○ 2008-03-17 23:53:48
● 2015-07-02 09:32:56
○ 2015-11-11 10:34:06
○ 2026-04-15 18:54:40

○NSns08.domaincontrol.com2015-07-02 → 2015-07-02 · 4 obs

○ 2008-03-17 23:53:48
● 2015-07-02 09:32:56
○ 2015-11-11 10:34:06
○ 2026-04-15 18:54:40

○NSns1.hitfarm.com2008-03-17 → 2008-03-17 · 3 obs

● 2008-03-17 23:53:48
○ 2015-07-02 09:32:56
○ 2026-04-15 18:54:40

○NSns2.hitfarm.com2008-03-17 → 2008-03-17 · 3 obs

● 2008-03-17 23:53:48
○ 2015-07-02 09:32:56
○ 2026-04-15 18:54:40

○MXmailstore1.secureserver.net2015-07-02 → 2015-07-02 · 4 obs

○ 2008-03-17 23:53:48
● 2015-07-02 09:32:56
○ 2015-11-11 10:34:06
○ 2026-04-15 18:54:40

○MXnullmx.ciabooks.com2008-03-17 → 2008-03-17 · 3 obs

● 2008-03-17 23:53:48
○ 2015-07-02 09:32:56
○ 2026-04-15 18:54:40

○MXsmtp.secureserver.net2015-07-02 → 2015-07-02 · 4 obs

○ 2008-03-17 23:53:48
● 2015-07-02 09:32:56
○ 2015-11-11 10:34:06
○ 2026-04-15 18:54:40

●A104.18.26.232026-02-17 → 2026-04-15 · 3 obs

○ 2018-08-27 11:08:06
● 2026-02-17 07:05:42
● 2026-04-15 18:54:40

●A104.18.27.232026-02-17 → 2026-04-15 · 3 obs

○ 2018-08-27 11:08:06
● 2026-02-17 07:05:42
● 2026-04-15 18:54:40

○A198.105.13.1882017-02-01 → 2018-08-27 · 5 obs

○ 2015-11-11 10:34:06
● 2017-02-01 16:34:52
● 2018-08-27 11:08:06
○ 2026-02-17 07:05:42
○ 2026-04-15 18:54:40

○A217.68.70.692008-03-17 → 2008-03-17 · 3 obs

● 2008-03-17 23:53:48
○ 2015-07-02 09:32:56
○ 2026-04-15 18:54:40

●A2606:4700::6812:1a172026-02-17 → 2026-04-15 · 3 obs

○ 2018-08-27 11:08:06
● 2026-02-17 07:05:42
● 2026-04-15 18:54:40

●A2606:4700::6812:1b172026-02-17 → 2026-04-15 · 3 obs

○ 2018-08-27 11:08:06
● 2026-02-17 07:05:42
● 2026-04-15 18:54:40

○A50.63.202.422015-07-02 → 2015-07-02 · 4 obs

○ 2008-03-17 23:53:48
● 2015-07-02 09:32:56
○ 2015-11-11 10:34:06
○ 2026-04-15 18:54:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
ciabooks.com	chan.ns.cloudflare.com, frank.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.166

NS records: chan.ns.cloudflare.com, frank.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ciabooks.com (unsigned zone)

⏱️ Timing

Total: 147ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.18.27.23, 104.18.26.23`
AAAA	2	`2606:4700::6812:1a17, 2606:4700::6812:1b17`
NS	2	`chan.ns.cloudflare.com, frank.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h2"]`
SOA	1	`chan.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (chan.ns.cloudflare.com, chan.ns.cloudflare.com, chan.ns.cloudflare.com...)

Analysis

IP Addresses

ciabooks.com points to four IP numbers: 2606:4700::6812:1a17, 2606:4700::6812:1b17, 104.18.26.23 and 104.18.27.23.

Other host names, for instance mailkukui.com, cf-xv04.na2.hubspotlinksfree.com, yybr77.com, telrite.com and order.scribbr.de share IP numbers with ciabooks.com.

Name Servers

ciabooks.com is delegated to two name servers: chan.ns.cloudflare.com and frank.ns.cloudflare.com.

ciabooks.com uses the same name server setup as other domains, for instance textbook.com, 4ud.me, studytactics.com, bnck-12.com and funtimesguide.com.

ciabooks.com shares name servers with other domains at least partially, for instance rootfarm.org, ahagpt.com, mundocima.com.ar, gciny.com and dimensionschiro.com.

These name servers are commonly used with merlin.ns.cloudflare.com, theo.ns.cloudflare.com, hugh.ns.cloudflare.com and doug.ns.cloudflare.com.

Host names with six IP numbers: chan.ns.cloudflare.com points to 2606:4700:50::adf5:3a52, 2803:f800:50::6ca2:c052, 2a06:98c1:50::ac40:2052, 108.162.192.82, 172.64.32.82 and 173.245.58.82; frank.ns.cloudflare.com points to 2606:4700:58::adf5:3ba6, 2803:f800:50::6ca2:c1a6, 2a06:98c1:50::ac40:21a6, 108.162.193.166, 172.64.33.166 and 173.245.59.166.

ciabooks.com - robtex.com

ciabooks.com

com

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

`ciabooks.com`

`com`