`purecalculus.com`

DNSSEC	⚠️ Not signed
A	74.220.213.99^{🇺🇸 EIGI74.220.192.0/19 Unified Layer}
		PTR	`74-220-213-99.unifiedlayer.com`
NS	`ns1.bluehost.com` ⭐
		A	162.159.24.80^{Cloudflare162.159.24.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns1.bluehost.com`
NS	`ns2.bluehost.com`
		A	162.159.25.175^{Cloudflare162.159.25.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns2.bluehost.com`
MX	`mail.purecalculus.com` ⭐
		A	74.220.213.99^{🇺🇸 EIGI74.220.192.0/19 Unified Layer}
			PTR	`74-220-213-99.unifiedlayer.com`
TXT	`v=spf1 +a +mx +ip4:67.222.39.62 +ip4:74.220.213.99 +include:bluehost.com ~all`
SOA	`ns1.bluehost.com`root@box2052.bluehost.com 2025-02-18 #1

`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=1776310747

Subdomains

mail.purecalculus.com

Same first word

purecalculus.com

DNS History

7 records (4 active, 3 former)

●NSns1.bluehost.com2020-02-14 → 2026-04-16 · 3 obs

○ 2016-12-19 00:20:50
● 2020-02-14 06:13:34
● 2026-04-16 04:08:22

●NSns2.bluehost.com2020-02-14 → 2026-04-16 · 3 obs

○ 2016-12-19 00:20:50
● 2020-02-14 06:13:34
● 2026-04-16 04:08:22

○NSns53.domaincontrol.com2016-12-19 → 2016-12-19 · 3 obs

● 2016-12-19 00:20:50
○ 2020-02-14 06:13:34
○ 2026-04-16 04:08:22

○NSns54.domaincontrol.com2016-12-19 → 2016-12-19 · 3 obs

● 2016-12-19 00:20:50
○ 2020-02-14 06:13:34
○ 2026-04-16 04:08:22

●MXmail.purecalculus.com2016-12-19 → 2026-04-16 · 2 obs

● 2016-12-19 00:20:50
● 2026-04-16 04:08:22

○A107.180.50.1702016-12-19 → 2016-12-19 · 3 obs

● 2016-12-19 00:20:50
○ 2020-02-14 06:13:34
○ 2026-04-16 04:08:22

●A74.220.213.992020-02-14 → 2026-04-16 · 3 obs

○ 2016-12-19 00:20:50
● 2020-02-14 06:13:34
● 2026-04-16 04:08:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
purecalculus.com	ns1.bluehost.com, ns2.bluehost.com	2 records

✅ Authoritative Response

Server:162.159.25.175

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for purecalculus.com (unsigned zone)

⏱️ Timing

Total: 174ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`74.220.213.99`
NS	2	`ns2.bluehost.com, ns1.bluehost.com`
MX	1	`mail.purecalculus.com (pri: 0)`
TXT	1	`v=spf1 +a +mx +ip4:67.222.39.62 +ip4:74.`
SOA	1	`ns1.bluehost.com root.box2052.bluehost.c`

📌 Glue Records Collected

Total: 2

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

Analysis

Hierarchy

purecalculus.com is the parent of mail.purecalculus.com.

IP Addresses

purecalculus.com resolves to one IP number: 74.220.213.99.

Other host names such as cocktailsandcreations.com and mail.purecalculus.com share IP numbers with purecalculus.com.

Name Servers

purecalculus.com is delegated to two name servers ns1.bluehost.com and ns2.bluehost.com.

purecalculus.com shares the same name server setup as other domains, for instance americaneaglefoundation.org, infinitewellhypnosis.com, upimagery.com, moodinteractive.com and resourcesforceos.com.

purecalculus.com shares name servers with other domains at least partially, for example losingnorth.com and islandseaside.com.

Host names with one IP number:

ns1.bluehost.com points to 162.159.24.80

ns2.bluehost.com points to 162.159.25.175

Mail Servers

purecalculus.com is handled by a single mail server, mail.purecalculus.com.

mail.purecalculus.com resolves to IP 74.220.213.99.

purecalculus.com - robtex.com