`fourletterbooks.com`

DNSSEC	⚠️ Not signed
A	198.185.159.144^{🇺🇸 SQUARESPACE-1198.185.159.0/24 Squarespace, Inc. 459 Broadway, 5th Floor New York, NY 10013 US}
NS	`ns1.domain.com` ⭐
		A	172.64.52.73^{🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`ns2.domain.com`
		A	172.64.53.117^{🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
MX	`aspmx.l.google.com` ⭐
		A	2a00:1450:4009:c0f::1a^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrs-in-f26.1e100.net`
		A	192.178.223.26^{🇺🇸 Google192.178.223.0/24}
			PTR	`yulhrs-in-f26.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:4025:402::1a^{🇳🇱 Google2a00:1450:4025::/48}
			PTR	`rb-in-f26.1e100.net`
		A	142.250.102.26^{🇺🇸 Google142.250.102.0/24}
			PTR	`rb-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::1a^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrs-in-f26.1e100.net`
		A	192.178.223.26^{🇺🇸 Google192.178.223.0/24}
			PTR	`yulhrs-in-f26.1e100.net`
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:400c:c00::1b^{🇧🇪 Google2a00:1450:400c::/48}
			PTR	`ws-in-f27.1e100.net`
			PTR	`ws-in-x1b.1e100.net`
		A	173.194.76.26^{🇺🇸 Google173.194.76.0/24}
			PTR	`ws-in-f26.1e100.net`
TXT	`v=spf1 ip4:66.96.128.0/18 include:websitewelcome.com ?all`
TXT	`google-site-verification=bTwpSZZatnB1Kdo7hVm9e0oOama29S4NmCrWpZRMicI`
SOA	`NS1.DOMAIN.com`dnsadmin@DOMAIN.com serial=124033119

`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=1774678817

Same first word

fourletterbooks.com

DNS History

8 records (8 active, 0 former)

●NSns1.domain.com2026-03-27 → 2026-03-28 · 2 obs

● 2026-03-27 16:59:46
● 2026-03-28 06:30:32

●NSns2.domain.com2026-03-27 → 2026-03-28 · 2 obs

● 2026-03-27 16:59:46
● 2026-03-28 06:30:32

●MXalt1.aspmx.l.google.com2026-03-27 → 2026-03-28 · 2 obs

● 2026-03-27 16:59:46
● 2026-03-28 06:30:32

●MXalt2.aspmx.l.google.com2026-03-27 → 2026-03-28 · 2 obs

● 2026-03-27 16:59:46
● 2026-03-28 06:30:32

●MXalt3.aspmx.l.google.com2026-03-27 → 2026-03-28 · 2 obs

● 2026-03-27 16:59:46
● 2026-03-28 06:30:32

●MXalt4.aspmx.l.google.com2026-03-27 → 2026-03-28 · 2 obs

● 2026-03-27 16:59:46
● 2026-03-28 06:30:32

●MXaspmx.l.google.com2026-03-27 → 2026-03-28 · 2 obs

● 2026-03-27 16:59:46
● 2026-03-28 06:30:32

●A198.185.159.1442026-03-27 → 2026-03-28 · 2 obs

● 2026-03-27 16:59:46
● 2026-03-28 06:30:32

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	k.gtld-servers.net, j.gtld-servers.net, i.gtld-servers.net, h.gtld-servers.net...	-
fourletterbooks.com	ns2.domain.com, ns1.domain.com	2 records

✅ Authoritative Response

Server:172.64.53.117

NS records: ns2.domain.com, ns1.domain.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for fourletterbooks.com (unsigned zone)

⏱️ Timing

Total: 514ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`198.185.159.144`
NS	2	`ns1.domain.com, ns2.domain.com`
MX	5	`alt1.aspmx.l.google.com (pri: 5), alt4.aspmx.l.google.com (pri: 10)...`
TXT	2	`google-site-verification=bTwpSZZatnB1Kdo, v=spf1 ip4:66.96.128.0/18 include:websit`
SOA	1	`NS1.DOMAIN.com dnsadmin.DOMAIN.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns2.domain.com, ns1.domain.com)

Analysis

IP Addresses

fourletterbooks.com resolves to a single IP: 198.185.159.144.

Other host names, for instance myercorplaw.com, amandablueleigh.com, meeru.at, psu.gd and modern1tech.com share IP numbers with fourletterbooks.com.

Name Servers

fourletterbooks.com has two name servers: ns1.domain.com and ns2.domain.com.

fourletterbooks.com shares the same name server setup as other domains, for example mafimilia.com, katewallcreative.com, aba4me.com, rofk.org and babiiboo.com.