`rectangularbooks.com`

DNSSEC	⚠️ Not signed
A	198.49.23.144^{🇺🇸 SQUARESPACE-1198.49.23.0/24 Squarespace, Inc. 459 Broadway, 5th Floor New York, NY 10013 US}
A	198.49.23.145^{🇺🇸 SQUARESPACE-1198.49.23.0/24 Squarespace, Inc. 459 Broadway, 5th Floor New York, NY 10013 US}
A	198.185.159.144^{🇺🇸 SQUARESPACE-1198.185.159.0/24 Squarespace, Inc. 459 Broadway, 5th Floor New York, NY 10013 US}
A	198.185.159.145^{🇺🇸 SQUARESPACE-1198.185.159.0/24 Squarespace, Inc. 459 Broadway, 5th Floor New York, NY 10013 US}
NS	`ns1.cheaperdomains.com.au` ⭐
		A	172.104.173.229^{🇸🇬 AKAMAI-LINODE-AP172.104.160.0/19 Akamai Technologies}
			PTR	`172-104-173-229.ip.linodeusercontent.com`
		A	175.45.126.4^{🇦🇺 VOCUS-BACKBONE-AS175.45.64.0/18 VOCUS PTY LTD Vocus Communications Lvl 12, 60 Miller Street}
			PTR	`175-45-126-4.core.vocus.network`
NS	`ns2.cheaperdomains.com.au`
		A	104.237.139.140^{🇺🇸 AKAMAI-LINODE-AP104.237.136.0/21 Akamai Technologies}
			PTR	`104-237-139-140.ip.linodeusercontent.com`
		A	175.45.126.5^{🇦🇺 VOCUS-BACKBONE-AS175.45.64.0/18 VOCUS PTY LTD Vocus Communications Lvl 12, 60 Miller Street}
			PTR	`175-45-126-5.core.vocus.network`
MX	`smtp.google.com` ⭐
		A	2607:f8b0:4004:c0b::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bj-in-f26.1e100.net`
		A	2607:f8b0:4004:c17::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bl-in-f27.1e100.net`
		A	2607:f8b0:4004:c19::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bk-in-f26.1e100.net`
		A	2607:f8b0:4004:c19::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bk-in-f27.1e100.net`
		A	142.250.31.27^{🇺🇸 Google142.250.31.0/24}
			PTR	`bj-in-f27.1e100.net`
		A	142.251.16.26^{🇺🇸 Google142.251.16.0/24}
			PTR	`bl-in-f26.1e100.net`
		A	142.251.16.27^{🇺🇸 Google142.251.16.0/24}
			PTR	`bl-in-f27.1e100.net`
		A	142.251.111.26^{🇺🇸 Google142.251.111.0/24}
			PTR	`bk-in-f26.1e100.net`
		A	142.251.111.27^{🇺🇸 Google142.251.111.0/24}
			PTR	`bk-in-f27.1e100.net`
TXT	`v=spf1 a mx include:cheaperdomains.com.au include:_spf.google.com ~all`
SOA	`ns1.cheaperdomains.com.au`dns@cheaperdomains.com.au 2025-11-20 #8

`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=1778706911

Subdomains

mail.rectangularbooks.com

Same first word

rectangularbooks.com

Similar names

borlangescoutkar.se

DNS History

25 records (7 active, 18 former)

○NSns-cloud-b1.googledomains.com2020-01-23 → 2020-01-23 · 4 obs

○ 2017-03-23 04:20:10
● 2020-01-23 04:27:56
○ 2026-05-03 20:13:54
○ 2026-05-13 21:42:20

○NSns-cloud-b2.googledomains.com2020-01-23 → 2020-01-23 · 4 obs

○ 2017-03-23 04:20:10
● 2020-01-23 04:27:56
○ 2026-05-03 20:13:54
○ 2026-05-13 21:42:20

○NSns-cloud-b3.googledomains.com2020-01-23 → 2020-01-23 · 4 obs

○ 2017-03-23 04:20:10
● 2020-01-23 04:27:56
○ 2026-05-03 20:13:54
○ 2026-05-13 21:42:20

○NSns-cloud-b4.googledomains.com2020-01-23 → 2020-01-23 · 4 obs

○ 2017-03-23 04:20:10
● 2020-01-23 04:27:56
○ 2026-05-03 20:13:54
○ 2026-05-13 21:42:20

●NSns1.cheaperdomains.com.au2026-05-03 → 2026-05-13 · 3 obs

○ 2020-01-23 04:27:56
● 2026-05-03 20:13:54
● 2026-05-13 21:42:20

○NSns1.gocreativearts.com2015-07-20 → 2016-06-19 · 4 obs

● 2015-07-20 18:01:08
● 2016-06-19 06:05:10
○ 2017-03-23 04:20:10
○ 2026-05-13 21:42:20

●NSns2.cheaperdomains.com.au2026-05-03 → 2026-05-13 · 3 obs

○ 2020-01-23 04:27:56
● 2026-05-03 20:13:54
● 2026-05-13 21:42:20

○NSns2.gocreativearts.com2015-07-20 → 2016-06-19 · 4 obs

● 2015-07-20 18:01:08
● 2016-06-19 06:05:10
○ 2017-03-23 04:20:10
○ 2026-05-13 21:42:20

○NSns57.domaincontrol.com2017-03-23 → 2017-03-23 · 4 obs

○ 2016-06-19 06:05:10
● 2017-03-23 04:20:10
○ 2020-01-23 04:27:56
○ 2026-05-13 21:42:20

○NSns58.domaincontrol.com2017-03-23 → 2017-03-23 · 4 obs

○ 2016-06-19 06:05:10
● 2017-03-23 04:20:10
○ 2020-01-23 04:27:56
○ 2026-05-13 21:42:20

○MXalt1.aspmx.l.google.com2020-01-23 → 2020-01-23 · 4 obs

○ 2017-03-23 04:20:10
● 2020-01-23 04:27:56
○ 2026-05-03 20:13:54
○ 2026-05-13 21:42:20

○MXalt2.aspmx.l.google.com2020-01-23 → 2020-01-23 · 4 obs

○ 2017-03-23 04:20:10
● 2020-01-23 04:27:56
○ 2026-05-03 20:13:54
○ 2026-05-13 21:42:20

○MXalt3.aspmx.l.google.com2020-01-23 → 2020-01-23 · 4 obs

○ 2017-03-23 04:20:10
● 2020-01-23 04:27:56
○ 2026-05-03 20:13:54
○ 2026-05-13 21:42:20

○MXalt4.aspmx.l.google.com2020-01-23 → 2020-01-23 · 4 obs

○ 2017-03-23 04:20:10
● 2020-01-23 04:27:56
○ 2026-05-03 20:13:54
○ 2026-05-13 21:42:20

○MXaspmx.l.google.com2020-01-23 → 2020-01-23 · 4 obs

○ 2017-03-23 04:20:10
● 2020-01-23 04:27:56
○ 2026-05-03 20:13:54
○ 2026-05-13 21:42:20

○MXmail.rectangularbooks.com2015-07-20 → 2016-06-19 · 4 obs

● 2015-07-20 18:01:08
● 2016-06-19 06:05:10
○ 2017-03-23 04:20:10
○ 2026-05-13 21:42:20

○MXmailstore1.secureserver.net2017-03-23 → 2017-03-23 · 4 obs

○ 2016-06-19 06:05:10
● 2017-03-23 04:20:10
○ 2020-01-23 04:27:56
○ 2026-05-13 21:42:20

●MXsmtp.google.com2026-05-03 → 2026-05-13 · 3 obs

○ 2020-01-23 04:27:56
● 2026-05-03 20:13:54
● 2026-05-13 21:42:20

○MXsmtp.secureserver.net2017-03-23 → 2017-03-23 · 4 obs

○ 2016-06-19 06:05:10
● 2017-03-23 04:20:10
○ 2020-01-23 04:27:56
○ 2026-05-13 21:42:20

○A184.168.221.332017-03-23 → 2017-03-23 · 4 obs

○ 2016-06-19 06:05:10
● 2017-03-23 04:20:10
○ 2020-01-23 04:27:56
○ 2026-05-13 21:42:20

○A198.154.227.1922015-07-20 → 2016-06-19 · 4 obs

● 2015-07-20 18:01:08
● 2016-06-19 06:05:10
○ 2017-03-23 04:20:10
○ 2026-05-13 21:42:20

●A198.185.159.1442026-05-03 → 2026-05-13 · 3 obs

○ 2020-01-23 04:27:56
● 2026-05-03 20:13:54
● 2026-05-13 21:42:20

●A198.185.159.1452026-05-03 → 2026-05-13 · 3 obs

○ 2020-01-23 04:27:56
● 2026-05-03 20:13:54
● 2026-05-13 21:42:20

●A198.49.23.1442026-05-03 → 2026-05-13 · 3 obs

○ 2020-01-23 04:27:56
● 2026-05-03 20:13:54
● 2026-05-13 21:42:20

●A198.49.23.1452026-05-03 → 2026-05-13 · 3 obs

○ 2020-01-23 04:27:56
● 2026-05-03 20:13:54
● 2026-05-13 21:42:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	m.gtld-servers.net, d.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net...	-
rectangularbooks.com	ns2.cheaperdomains.com.au, ns1.cheaperdomains.com.au	-

✅ Authoritative Response

Server:175.45.126.5

NS records: ns2.cheaperdomains.com.au, ns1.cheaperdomains.com.au

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rectangularbooks.com (unsigned zone)

⏱️ Timing

Total: 1981ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`198.185.159.145, 198.49.23.144...`
NS	2	`NS1.CHEAPERDOMAINS.COM.AU, NS2.CHEAPERDOMAINS.COM.AU`
MX	1	`smtp.google.com (pri: 0)`
TXT	1	`v=spf1 a mx include:cheaperdomains.com.a`
SOA	1	`ns1.cheaperdomains.com.au dns.cheaperdom`

Analysis

Hierarchy

The parent of mail.rectangularbooks.com is rectangularbooks.com.

IP Addresses

rectangularbooks.com maps to four IP numbers: 198.49.23.144, 198.49.23.145, 198.185.159.144 and 198.185.159.145.

Other host names, for instance juliaweipert.com, elevatelifeclub.com, ecorporate.com, ciam.co and pgcbuild.com share IP numbers with rectangularbooks.com.

Name Servers

Two name servers ns1.cheaperdomains.com.au and ns2.cheaperdomains.com.au handle delegation for rectangularbooks.com.

rectangularbooks.com uses the same name server setup as other domains, for example infopro.com.au, dreamhunter.com.au, paulresnik.com, kintrol.com.au and cutieo.com.

rectangularbooks.com shares name servers with other domains at least in part, for instance mintymarypea.com.

Host names with two IP numbers:

ns1.cheaperdomains.com.au points to: 172.104.173.229 and 175.45.126.4

ns2.cheaperdomains.com.au points to: 104.237.139.140 and 175.45.126.5

Mail Servers

rectangularbooks.com is handled by a single mail server, smtp.google.com.

rectangularbooks.com has the same mail server setup as other domains, including hest.it, datraks.com, buyitt.com, ceoireland.com and getleverage.net.

rectangularbooks.com shares some mail servers with other domains, at least partially, such as deqteq.com, voyageuracademy.com, sofortarzt.com, kamata.co.jp and theaugustarule.com.

These mail servers are often used with alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.

smtp.google.com points to nine IP numbers: 2607:f8b0:4004:c0b::1a, 2607:f8b0:4004:c17::1b, 2607:f8b0:4004:c19::1a, 2607:f8b0:4004:c19::1b, 142.250.31.27, 142.251.16.26, 142.251.16.27, 142.251.111.26 and 142.251.111.27.

rectangularbooks.com - robtex.com