`ipcalculus.com`

DNSSEC	⚠️ Not signed
A	162.144.116.100^{🇺🇸 EIGI162.144.0.0/16 Unified Layer}
		PTR	`server.ipcalculus.com`
NS	`ns1.hostmonster.com` ⭐
		A	162.159.24.157^{Cloudflare162.159.24.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns1.hostmonster.com`
NS	`ns2.hostmonster.com`
		A	162.159.25.186^{Cloudflare162.159.25.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns2.hostmonster.com`
MX	`mail.ipcalculus.com` ⭐
		A	162.144.116.100^{🇺🇸 EIGI162.144.0.0/16 Unified Layer}
			PTR	`server.ipcalculus.com`
TXT	`v=spf1 +a +mx +ip4:162.144.116.100 ~all`
SOA	`ns1.hostmonster.com`dnsadmin@v211.vps.unifiedlayer.com 2025-07-04 #0

`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=1774524222

Subdomains

blogs.ipcalculus.com

mail.ipcalculus.com

Same first word

ipcalculus.com

ipcalculus.net

DNS History

6 records (4 active, 2 former)

●NSns1.hostmonster.com2015-06-26 → 2026-03-26 · 2 obs

● 2015-06-26 14:05:28
● 2026-03-26 11:29:32

●NSns2.hostmonster.com2015-06-26 → 2026-03-26 · 2 obs

● 2015-06-26 14:05:28
● 2026-03-26 11:29:32

○MXipcalculus.com2015-06-26 → 2017-06-15 · 3 obs

● 2015-06-26 14:05:28
● 2017-06-15 17:29:34
○ 2026-03-26 11:29:32

●MXmail.ipcalculus.com2026-03-26 → 2026-03-26 · 2 obs

○ 2017-06-15 17:29:34
● 2026-03-26 11:29:32

○A142.4.14.42015-06-26 → 2017-06-15 · 3 obs

● 2015-06-26 14:05:28
● 2017-06-15 17:29:34
○ 2026-03-26 11:29:32

●A162.144.116.1002026-03-26 → 2026-03-26 · 2 obs

○ 2017-06-15 17:29:34
● 2026-03-26 11:29:32

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	m.gtld-servers.net, d.gtld-servers.net, a.gtld-servers.net, k.gtld-servers.net...	-
ipcalculus.com	ns2.hostmonster.com, ns1.hostmonster.com	2 records

✅ Authoritative Response

Server:162.159.25.186

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ipcalculus.com (unsigned zone)

⏱️ Timing

Total: 214ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`162.144.116.100`
NS	2	`ns2.hostmonster.com, ns1.hostmonster.com`
MX	1	`mail.ipcalculus.com (pri: 0)`
TXT	1	`v=spf1 +a +mx +ip4:162.144.116.100 ~all`
SOA	1	`ns1.hostmonster.com dnsadmin.v211.vps.un`

📌 Glue Records Collected

Total: 2

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

Analysis

Hierarchy

ipcalculus.com is parent of blogs.ipcalculus.com and mail.ipcalculus.com.

IP Addresses

ipcalculus.com points to a single IP number: 162.144.116.100.

Other host names like blogs.ipcalculus.com and mail.ipcalculus.com share IP numbers with ipcalculus.com.

Name Servers

ipcalculus.com is delegated to two name servers: ns1.hostmonster.com and ns2.hostmonster.com.

ipcalculus.com shares the same name server setup as other domains, for example lantzerfuneralhome.com, datingjd.com, tritechmachinesales.com, janadhi.net and jillsweetmancounseling.com.

ipcalculus.com partially shares name servers with other domains, for instance digitaladportal.com, inetec.com.mx, freshenvironmentaldesigns.com and transparency.org.kw.

These name servers are often used with ns1.bluehost.com and ns2.bluehost.com.

Host names with one IP number:

The host ns1.hostmonster.com points to 162.159.24.157 and the host ns2.hostmonster.com points to 162.159.25.186.

Mail Servers

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

Host name mail.ipcalculus.com points to IP address 162.144.116.100.

ipcalculus.com - robtex.com

ipcalculus.com

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