`circlebook.net`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::6815:2e49^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::ac43:8865^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.46.73^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.136.101^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`cris.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2cca^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cris.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3ca^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`cris.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23ca^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`cris.ns.cloudflare.com`
		A	108.162.195.202^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cris.ns.cloudflare.com`
		A	162.159.44.202^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cris.ns.cloudflare.com`
		A	172.64.35.202^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cris.ns.cloudflare.com`
NS	`jamie.ns.cloudflare.com`
		A	2606:4700:50::adf5:3aa8^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jamie.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0a8^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`jamie.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20a8^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`jamie.ns.cloudflare.com`
		A	108.162.192.168^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jamie.ns.cloudflare.com`
		A	172.64.32.168^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jamie.ns.cloudflare.com`
		A	173.245.58.168^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jamie.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.46.73, 172.67.136.101
		IPv6 hints	2606:4700:3033::6815:2e49, 2606:4700:3035::ac43:8865
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=147, name=cloudflare-ech.com
SOA	`cris.ns.cloudflare.com`dns@cloudflare.com serial=2408052075

`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=1786117719

Same first word

circlebook.com

circlebook.ca

circlebook.net

Similar names

bookcircle.com

bioclocker.com

bookcircle.net

bookcircle.org

DNS History

16 records (6 active, 10 former)

●NScris.ns.cloudflare.com2026-08-04 → 2026-08-07 · 3 obs

○ 2017-05-24 17:13:06
● 2026-08-04 02:38:14
● 2026-08-07 16:10:46

○NShosting.webnames.ca2015-07-18 → 2016-09-01 · 4 obs

● 2015-07-18 07:27:56
● 2016-09-01 21:18:54
○ 2017-05-24 17:13:06
○ 2026-08-07 16:10:46

●NSjamie.ns.cloudflare.com2026-08-04 → 2026-08-07 · 3 obs

○ 2017-05-24 17:13:06
● 2026-08-04 02:38:14
● 2026-08-07 16:10:46

○NSns1.webnames.ca2015-07-18 → 2017-05-24 · 4 obs

● 2015-07-18 07:27:56
● 2017-05-24 17:13:06
○ 2026-08-04 02:38:14
○ 2026-08-07 16:10:46

○NSns2.webnames.ca2015-07-18 → 2017-05-24 · 4 obs

● 2015-07-18 07:27:56
● 2017-05-24 17:13:06
○ 2026-08-04 02:38:14
○ 2026-08-07 16:10:46

○NSns3.webnames.ca2015-07-18 → 2017-05-24 · 4 obs

● 2015-07-18 07:27:56
● 2017-05-24 17:13:06
○ 2026-08-04 02:38:14
○ 2026-08-07 16:10:46

●A104.21.46.732026-08-07 → 2026-08-07 · 2 obs

○ 2026-08-04 02:38:14
● 2026-08-07 16:10:46

●A172.67.136.1012026-08-07 → 2026-08-07 · 2 obs

○ 2026-08-04 02:38:14
● 2026-08-07 16:10:46

○A188.114.96.02026-08-04 → 2026-08-04 · 3 obs

○ 2017-05-24 17:13:06
● 2026-08-04 02:38:14
○ 2026-08-07 16:10:46

○A188.114.97.02026-08-04 → 2026-08-04 · 3 obs

○ 2017-05-24 17:13:06
● 2026-08-04 02:38:14
○ 2026-08-07 16:10:46

○A209.15.37.62017-05-24 → 2017-05-24 · 4 obs

○ 2016-09-01 21:18:54
● 2017-05-24 17:13:06
○ 2026-08-04 02:38:14
○ 2026-08-07 16:10:46

●A2606:4700:3033::6815:2e492026-08-07 → 2026-08-07 · 2 obs

○ 2026-08-04 02:38:14
● 2026-08-07 16:10:46

●A2606:4700:3035::ac43:88652026-08-07 → 2026-08-07 · 2 obs

○ 2026-08-04 02:38:14
● 2026-08-07 16:10:46

○A2a06:98c1:3120::2026-08-04 → 2026-08-04 · 3 obs

○ 2017-05-24 17:13:06
● 2026-08-04 02:38:14
○ 2026-08-07 16:10:46

○A2a06:98c1:3121::2026-08-04 → 2026-08-04 · 3 obs

○ 2017-05-24 17:13:06
● 2026-08-04 02:38:14
○ 2026-08-07 16:10:46

○A65.39.140.842015-07-18 → 2016-09-01 · 4 obs

● 2015-07-18 07:27:56
● 2016-09-01 21:18:54
○ 2017-05-24 17:13:06
○ 2026-08-07 16:10:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
circlebook.net	jamie.ns.cloudflare.com, cris.ns.cloudflare.com	-

✅ Authoritative Response

Server:162.159.44.202

NS records: jamie.ns.cloudflare.com, cris.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for circlebook.net (unsigned zone)

⏱️ Timing

Total: 415ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.46.73, 172.67.136.101`
AAAA	2	`2606:4700:3033::6815:2e49, 2606:4700:3035::ac43:8865`
NS	2	`cris.ns.cloudflare.com, jamie.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`cris.ns.cloudflare.com dns.cloudflare.co`

Analysis

IP Addresses

circlebook.net directs to four IP numbers, which are 104.21.46.73, 172.67.136.101, 2606:4700:3033::6815:2e49 and 2606:4700:3035::ac43:8865.

Additional host names — hopertest.com, tcfsurveys.com, mondoitalianotaos.com and two others — share IP numbers with circlebook.net.

Name Servers

circlebook.net uses two name servers for its delegation: cris.ns.cloudflare.com and jamie.ns.cloudflare.com.

circlebook.net shares its name server setup with other domains, including eliwolff.com, play-admiral.top, causergroups.com and two others.

At least some of circlebook.net's name servers are shared with other domains, for example cadcamsektoru.com, hemi-gen.pages.dev, discover-energy.es and two more.

These name servers tend to be deployed in combination with the name servers sloan.ns.cloudflare.com and evangeline.ns.cloudflare.com.

Host names with 6 IP numbers:

Hostname cris.ns.cloudflare.com directs to 108.162.195.202, 162.159.44.202 and 172.64.35.202 along with 3 other IP addresses.

Hostname jamie.ns.cloudflare.com directs to 108.162.192.168, 172.64.32.168 and 173.245.58.168 along with 3 other IP addresses.

circlebook.net - robtex.com

circlebook.net

net

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

`circlebook.net`

`net`