`booknowbutton.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::6815:4999^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3032::ac43:be57^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.73.153^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.190.87^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`cass.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a51^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cass.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c051^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`cass.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2051^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`cass.ns.cloudflare.com`
		A	108.162.192.81^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cass.ns.cloudflare.com`
		A	172.64.32.81^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cass.ns.cloudflare.com`
		A	173.245.58.81^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cass.ns.cloudflare.com`
NS	`clay.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b58^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`clay.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c158^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`clay.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2158^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`clay.ns.cloudflare.com`
		A	108.162.193.88^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`clay.ns.cloudflare.com`
		A	172.64.33.88^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`clay.ns.cloudflare.com`
		A	173.245.59.88^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`clay.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.73.153, 172.67.190.87
		IPv6	2606:4700:3031::6815:4999, 2606:4700:3032::ac43:be57
SOA	`cass.ns.cloudflare.com`dns@cloudflare.com serial=2399516991

`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=1771291435

Same first word

booknowbutton.com

DNS History

6 records (6 active, 0 former)

●NScass.ns.cloudflare.com2026-02-17 → 2026-03-23 · 2 obs

● 2026-02-17 21:16:22
● 2026-03-23 13:52:28

●NSclay.ns.cloudflare.com2026-02-17 → 2026-03-23 · 2 obs

● 2026-02-17 21:16:22
● 2026-03-23 13:52:28

●A104.21.73.1532026-02-17 → 2026-03-23 · 2 obs

● 2026-02-17 21:16:22
● 2026-03-23 13:52:28

●A172.67.190.872026-02-17 → 2026-03-23 · 2 obs

● 2026-02-17 21:16:22
● 2026-03-23 13:52:28

●A2606:4700:3031::6815:49992026-02-17 → 2026-03-23 · 2 obs

● 2026-02-17 21:16:22
● 2026-03-23 13:52:28

●A2606:4700:3032::ac43:be572026-02-17 → 2026-03-23 · 2 obs

● 2026-02-17 21:16:22
● 2026-03-23 13:52:28

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
booknowbutton.com	cass.ns.cloudflare.com, clay.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.81

NS records: cass.ns.cloudflare.com, clay.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for booknowbutton.com (unsigned zone)

⏱️ Timing

Total: 335ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.190.87, 104.21.73.153`
AAAA	2	`2606:4700:3031::6815:4999, 2606:4700:3032::ac43:be57`
NS	2	`cass.ns.cloudflare.com, clay.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`cass.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

booknowbutton.com points to four IP numbers: 2606:4700:3031::6815:4999, 2606:4700:3032::ac43:be57, 104.21.73.153 and 172.67.190.87.

Other host names, for instance o2s.co, freidorasinaceite10.es, isep.in, www.bilans-thermiques.fr and shanghaiqianlin.com share IP numbers with booknowbutton.com.

Name Servers

booknowbutton.com is delegated to two name servers: cass.ns.cloudflare.com and clay.ns.cloudflare.com.

booknowbutton.com uses the same name server setup as other domains, for instance 79909a.com, 688cf.com, dsqcn.com, zgysjx.com and xjz99.com.

booknowbutton.com shares name servers with other domains at least partially, for instance getipassa.help, qdykf.com, affiliatestatus.com, hea.co.za and ischia-hotel.net.

these name servers are commonly used together with ulla.ns.cloudflare.com and nitin.ns.cloudflare.com.

Host names with six IP numbers: cass.ns.cloudflare.com points to 2606:4700:50::adf5:3a51, 2803:f800:50::6ca2:c051, 2a06:98c1:50::ac40:2051, 108.162.192.81, 172.64.32.81 and 173.245.58.81; clay.ns.cloudflare.com points to 2606:4700:58::adf5:3b58, 2803:f800:50::6ca2:c158, 2a06:98c1:50::ac40:2158, 108.162.193.88, 172.64.33.88 and 173.245.59.88.

booknowbutton.com - robtex.com