booknowengine.com - dns.ninja

`booknowengine.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::ac43:c01a^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3034::6815:59f1^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.89.241^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.192.26^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`dara.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a5b^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dara.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c05b^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`dara.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:205b^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`dara.ns.cloudflare.com`
		A	108.162.192.91^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dara.ns.cloudflare.com`
		A	172.64.32.91^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dara.ns.cloudflare.com`
		A	173.245.58.91^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dara.ns.cloudflare.com`
NS	`graham.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bab^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`graham.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1ab^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`graham.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21ab^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`graham.ns.cloudflare.com`
		A	108.162.193.171^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`graham.ns.cloudflare.com`
		A	172.64.33.171^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`graham.ns.cloudflare.com`
		A	173.245.59.171^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`graham.ns.cloudflare.com`
MX	`_dc-mx.d21d1f402f90.booknowengine.com` ⭐
		A	66.23.233.163^{🇺🇸 NJIIX-166.23.224.0/20 NJIIX.net}
TXT	`google-site-verification=9-4BBKBcmgWSGRlzuX3oHehybxYCkErOuG3gtZs8NkA`
TXT	`v=spf1 ip4:66.23.233.163 +a +mx ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.89.241, 172.67.192.26
		IPv6 hints	2606:4700:3030::ac43:c01a, 2606:4700:3034::6815:59f1
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=208, name=cloudflare-ech.com
SOA	`dara.ns.cloudflare.com`dns@cloudflare.com serial=2405941247

`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=1784919007

Subdomains

d21d1f402f90.booknowengine.com

Same first word

booknowengine.com

DNS History

9 records (7 active, 2 former)

●NSdara.ns.cloudflare.com2026-03-12 → 2026-07-24 · 2 obs

● 2026-03-12 15:45:04
● 2026-07-24 19:14:10

●NSgraham.ns.cloudflare.com2026-03-12 → 2026-07-24 · 2 obs

● 2026-03-12 15:45:04
● 2026-07-24 19:14:10

●MX_dc-mx.d21d1f402f90.booknowengine.com2026-03-12 → 2026-07-24 · 2 obs

● 2026-03-12 15:45:04
● 2026-07-24 19:14:10

●A104.21.89.2412026-03-12 → 2026-07-24 · 2 obs

● 2026-03-12 15:45:04
● 2026-07-24 19:14:10

●A172.67.192.262026-03-12 → 2026-07-24 · 2 obs

● 2026-03-12 15:45:04
● 2026-07-24 19:14:10

●A2606:4700:3030::ac43:c01a2026-07-08 → 2026-07-24 · 3 obs

○ 2026-06-13 08:53:28
● 2026-07-08 16:58:48
● 2026-07-24 19:14:10

○A2606:4700:3032::ac43:c01a2026-03-12 → 2026-06-13 · 4 obs

● 2026-03-12 15:45:04
● 2026-06-13 08:53:28
○ 2026-07-08 16:58:48
○ 2026-07-24 19:14:10

●A2606:4700:3034::6815:59f12026-07-08 → 2026-07-24 · 3 obs

○ 2026-06-13 08:53:28
● 2026-07-08 16:58:48
● 2026-07-24 19:14:10

○A2606:4700:3036::6815:59f12026-03-12 → 2026-06-13 · 4 obs

● 2026-03-12 15:45:04
● 2026-06-13 08:53:28
○ 2026-07-08 16:58:48
○ 2026-07-24 19:14:10

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
booknowengine.com	dara.ns.cloudflare.com, graham.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.91

NS records: dara.ns.cloudflare.com, graham.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for booknowengine.com (unsigned zone)

⏱️ Timing

Total: 1359ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.89.241, 172.67.192.26`
AAAA	2	`2606:4700:3030::ac43:c01a, 2606:4700:3034::6815:59f1`
NS	2	`dara.ns.cloudflare.com, graham.ns.cloudflare.com`
MX	1	`_dc-mx.d21d1f402f90.booknowengine.com (p`
TXT	2	`google-site-verification=9-4BBKBcmgWSGRl, v=spf1 ip4:66.23.233.163 +a +mx ~all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`dara.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

booknowengine.com serves as the parent of d21d1f402f90.booknowengine.com.

IP Addresses

booknowengine.com has four IP addresses: 104.21.89.241, 172.67.192.26, 2606:4700:3030::ac43:c01a and 2606:4700:3034::6815:59f1.

Among the host names that share IP numbers with booknowengine.com are tvia.org, www.asuka4every.top, www.agmp-na.org and two others.

Name Servers

The NS records for booknowengine.com delegate to dara.ns.cloudflare.com and graham.ns.cloudflare.com.

booknowengine.com has the same name server delegation as a number of other domains, such as pmc.sg, amerihome.com, westernalliancebancorporation.com and two more.

booknowengine.com has at least partial name server overlap with other domains, such as salopelatina.com, krai-sp.ru, hj2868.com and two others.

It is common to see these name servers used together with name servers coen.ns.cloudflare.com and june.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

dara.ns.cloudflare.com maps to 108.162.192.91, 172.64.32.91, 173.245.58.91 and 3 additional IP addresses.

graham.ns.cloudflare.com maps to 108.162.193.171, 172.64.33.171, 173.245.59.171 and 3 additional IP addresses.

Mail Servers

booknowengine.com routes its mail through a single mail server, _dc-mx.d21d1f402f90.booknowengine.com.

_dc-mx.d21d1f402f90.booknowengine.com resolves to 66.23.233.163 and no other IP number.