booknowsoftware.com - dns.ninja

`booknowsoftware.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::ac43:c698^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3031::6815:d43^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.13.67^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.198.152^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`adi.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a38^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`adi.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c038^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`adi.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2038^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`adi.ns.cloudflare.com`
		A	108.162.192.56^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`adi.ns.cloudflare.com`
		A	172.64.32.56^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`adi.ns.cloudflare.com`
		A	173.245.58.56^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`adi.ns.cloudflare.com`
NS	`yadiel.ns.cloudflare.com`
		A	2606:4700:58::a29f:2c04^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`yadiel.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c304^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`yadiel.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2304^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`yadiel.ns.cloudflare.com`
		A	108.162.195.4^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`yadiel.ns.cloudflare.com`
		A	162.159.44.4^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`yadiel.ns.cloudflare.com`
		A	172.64.35.4^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`yadiel.ns.cloudflare.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c08::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bi-in-f26.1e100.net`
		A	64.233.180.26^{🇺🇸 Google64.233.180.0/24}
			PTR	`on-in-f26.1e100.net`
			PTR	`pe-in-f26.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c0f::1b^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.26^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f26.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:400b:c02::1a^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f26.1e100.net`
		A	172.253.116.26^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f26.1e100.net`
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:4009:c0f::1b^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrs-in-f27.1e100.net`
		A	192.178.223.27^{🇺🇸 Google192.178.223.0/24}
			PTR	`yulhrs-in-f27.1e100.net`
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:400c:c23::1a^{🇧🇪 Google2a00:1450:400c::/48}
			PTR	`yubrupd-in-f26.1e100.net`
		A	172.253.157.27^{🇺🇸 Google172.253.0.0/16}
			PTR	`yubrupd-in-f27.1e100.net`
TXT	`Account Engagement emails pass SPF automatically, but we recommend setting it...`
TXT	`google-site-verification=7gHlvwWgj6q4nsPpagmIomVOvM-fkwS0cMrgdt18OqU`
TXT	`google-site-verification=WsVvIqCqTSxUP__PyNcIWP0v3RCZCUN5-1gOhuRfN1c`
TXT	`google-site-verification=dkzGcMqTeVUvTmb-DzbfgmcSzo4Fq3BHtLboE7bEH4k`
TXT	`pardot1087442=292780d23b3f63c8cf04f02d3feff9104eaf0dc156e9bad48c8140c979791f60`
TXT	`pardot1087442=d50e225609be32f37dc5db4bc3f8531bd3942057942ba73ea8f585abf1d01301`
TXT	`sending_domain1087442=43e4b2ab921a643a2cd8aa34a7659382d814d9f5872321143879bae...`
TXT	`v=spf1 include:_spf.google.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.13.67, 172.67.198.152
		IPv6 hints	2606:4700:3030::ac43:c698, 2606:4700:3031::6815:d43
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=64, name=cloudflare-ech.com
SOA	`adi.ns.cloudflare.com`dns@cloudflare.com serial=2408712690

`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=1783722722

Same first word

booknowsoftware.com

DNS History

19 records (11 active, 8 former)

●NSadi.ns.cloudflare.com2026-02-16 → 2026-07-10 · 3 obs

○ 2017-09-01 20:49:18
● 2026-02-16 08:09:54
● 2026-07-10 22:44:00

○NSdns1.uk2.net2016-12-18 → 2017-09-01 · 4 obs

● 2016-12-18 22:49:44
● 2017-09-01 20:49:18
○ 2026-02-16 08:09:54
○ 2026-07-10 22:44:00

○NSdns2.uk2.net2016-12-18 → 2017-09-01 · 4 obs

● 2016-12-18 22:49:44
● 2017-09-01 20:49:18
○ 2026-02-16 08:09:54
○ 2026-07-10 22:44:00

○NSdns3.uk2.net2016-12-18 → 2017-09-01 · 4 obs

● 2016-12-18 22:49:44
● 2017-09-01 20:49:18
○ 2026-02-16 08:09:54
○ 2026-07-10 22:44:00

●NSyadiel.ns.cloudflare.com2026-02-16 → 2026-07-10 · 3 obs

○ 2017-09-01 20:49:18
● 2026-02-16 08:09:54
● 2026-07-10 22:44:00

●MXalt1.aspmx.l.google.com2017-09-01 → 2026-07-10 · 3 obs

○ 2016-12-18 22:49:44
● 2017-09-01 20:49:18
● 2026-07-10 22:44:00

●MXalt2.aspmx.l.google.com2017-09-01 → 2026-07-10 · 3 obs

○ 2016-12-18 22:49:44
● 2017-09-01 20:49:18
● 2026-07-10 22:44:00

●MXalt3.aspmx.l.google.com2017-09-01 → 2026-07-10 · 3 obs

○ 2016-12-18 22:49:44
● 2017-09-01 20:49:18
● 2026-07-10 22:44:00

●MXalt4.aspmx.l.google.com2017-09-01 → 2026-07-10 · 3 obs

○ 2016-12-18 22:49:44
● 2017-09-01 20:49:18
● 2026-07-10 22:44:00

●MXaspmx.l.google.com2017-09-01 → 2026-07-10 · 3 obs

○ 2016-12-18 22:49:44
● 2017-09-01 20:49:18
● 2026-07-10 22:44:00

○MXmx.booknowsoftware.com.cust.a.hostedemail.com2016-12-18 → 2016-12-18 · 3 obs

● 2016-12-18 22:49:44
○ 2017-09-01 20:49:18
○ 2026-07-10 22:44:00

●A104.21.13.672026-02-16 → 2026-07-10 · 3 obs

○ 2017-09-01 20:49:18
● 2026-02-16 08:09:54
● 2026-07-10 22:44:00

●A172.67.198.1522026-02-16 → 2026-07-10 · 3 obs

○ 2017-09-01 20:49:18
● 2026-02-16 08:09:54
● 2026-07-10 22:44:00

●A2606:4700:3030::ac43:c6982026-06-23 → 2026-07-10 · 3 obs

○ 2026-06-16 18:23:44
● 2026-06-23 19:44:22
● 2026-07-10 22:44:00

●A2606:4700:3031::6815:d432026-06-23 → 2026-07-10 · 3 obs

○ 2026-06-16 18:23:44
● 2026-06-23 19:44:22
● 2026-07-10 22:44:00

○A2606:4700:3034::ac43:c6982026-02-16 → 2026-06-16 · 5 obs

○ 2017-09-01 20:49:18
● 2026-02-16 08:09:54
● 2026-06-16 18:23:44
○ 2026-06-23 19:44:22
○ 2026-07-10 22:44:00

○A2606:4700:3037::6815:d432026-02-16 → 2026-06-16 · 5 obs

○ 2017-09-01 20:49:18
● 2026-02-16 08:09:54
● 2026-06-16 18:23:44
○ 2026-06-23 19:44:22
○ 2026-07-10 22:44:00

○A46.23.69.442016-12-18 → 2016-12-18 · 3 obs

● 2016-12-18 22:49:44
○ 2017-09-01 20:49:18
○ 2026-07-10 22:44:00

○A77.92.73.12017-09-01 → 2017-09-01 · 4 obs

○ 2016-12-18 22:49:44
● 2017-09-01 20:49:18
○ 2026-02-16 08:09:54
○ 2026-07-10 22:44:00

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	m.gtld-servers.net, k.gtld-servers.net, g.gtld-servers.net, c.gtld-servers.net...	-
booknowsoftware.com	adi.ns.cloudflare.com, yadiel.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.195.4

NS records: adi.ns.cloudflare.com, yadiel.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for booknowsoftware.com (unsigned zone)

⏱️ Timing

Total: 1211ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.13.67, 172.67.198.152`
AAAA	2	`2606:4700:3031::6815:d43, 2606:4700:3030::ac43:c698`
NS	2	`adi.ns.cloudflare.com, yadiel.ns.cloudflare.com`
MX	5	`aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...`
TXT	8	`Account Engagement emails pass SPF autom, google-site-verification=7gHlvwWgj6q4nsP...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`adi.ns.cloudflare.com dns.cloudflare.com`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

booknowsoftware.com resolves to four IP addresses: 104.21.13.67, 172.67.198.152, 2606:4700:3030::ac43:c698 and 2606:4700:3031::6815:d43.

Among the host names that share IP numbers with booknowsoftware.com are backlinks.expert, uujl.com, www.arpm.com and two others.

Name Servers

booknowsoftware.com is delegated to two name servers: adi.ns.cloudflare.com and yadiel.ns.cloudflare.com.

booknowsoftware.com has the same name server delegation as a number of other domains, such as moremconsulting.com, newfinanceera.com, joeles.com and two more.

booknowsoftware.com has at least partial name server overlap with other domains, such as 2q5ec89.com, rygudo.cc, leatherworldretail.com and two others.

These name servers tend to appear together with the name servers ariadne.ns.cloudflare.com, damien.ns.cloudflare.com and kay.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

adi.ns.cloudflare.com resolves to 108.162.192.56, 172.64.32.56, 173.245.58.56 and 3 other IP addresses.

yadiel.ns.cloudflare.com resolves to 108.162.195.4, 162.159.44.4, 172.64.35.4 and 3 other IP addresses.

Mail Servers

booknowsoftware.com is handled by five mail servers: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.

booknowsoftware.com shares at least some of its mail servers with other domains — for example suptech.fr, grove.bike, clairesint.com and two more.

It is common to find these mail servers paired with mail servers alt4.aspmx.l.google.com, alt3.aspmx.l.google.com, aspmx2.googlemail.com and 3 more.

Hosts with two IP numbers each:

aspmx.l.google.com points to 64.233.180.26 and 2607:f8b0:4004:c08::1a.

alt1.aspmx.l.google.com points to 108.177.123.26 and 2800:3f0:4003:c0f::1b.

alt2.aspmx.l.google.com points to 172.253.116.26 and 2a00:1450:400b:c02::1a.

alt3.aspmx.l.google.com points to 192.178.223.27 and 2a00:1450:4009:c0f::1b.

alt4.aspmx.l.google.com points to 172.253.157.27 and 2a00:1450:400c:c23::1a.