`internet-calculator.com`

DNSSEC	⚠️ Not signed
A	192.252.154.25^{🇺🇸 ICDSoft192.252.144.0/20 SURESUPPORT LLC Waltham, MA, USA}
		PTR	`s433.sureserver.com`
NS	`ns1.s433.sureserver.com` ⭐
		A	192.252.154.25^{🇺🇸 ICDSoft192.252.144.0/20 SURESUPPORT LLC Waltham, MA, USA}
			PTR	`s433.sureserver.com`
NS	`ns2.s433.sureserver.com`
		A	192.252.155.25^{🇺🇸 ICDSoft192.252.144.0/20 SURESUPPORT LLC Waltham, MA, USA}
			PTR	`ns2.s433.sureserver.com`
MX	`mail.internet-calculator.com` ⭐
		A	192.252.154.25^{🇺🇸 ICDSoft192.252.144.0/20 SURESUPPORT LLC Waltham, MA, USA}
			PTR	`s433.sureserver.com`
TXT	`v=spf1 a mx include:s433.smtp-spf.sureserver.com ~all`
SOA	`ns1.s433.sureserver.com`hostmaster@internet-calculator.com serial=1776211239

`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=1776213127

Subdomains

mail.internet-calculator.com

Same first word

internet-calculator.com

DNS History

11 records (4 active, 7 former)

○NSns1.above.com2015-06-17 → 2015-06-17 · 3 obs

● 2015-06-17 11:27:56
○ 2015-10-27 02:46:34
○ 2026-04-15 00:36:02

○NSns1.dynadot.com2020-02-25 → 2020-02-25 · 4 obs

○ 2015-10-27 02:46:34
● 2020-02-25 23:59:34
○ 2026-02-16 23:22:14
○ 2026-04-15 00:36:02

●NSns1.s433.sureserver.com2026-02-16 → 2026-04-15 · 3 obs

○ 2020-02-25 23:59:34
● 2026-02-16 23:22:14
● 2026-04-15 00:36:02

○NSns2.above.com2015-06-17 → 2015-06-17 · 3 obs

● 2015-06-17 11:27:56
○ 2015-10-27 02:46:34
○ 2026-04-15 00:36:02

○NSns2.dynadot.com2020-02-25 → 2020-02-25 · 4 obs

○ 2015-10-27 02:46:34
● 2020-02-25 23:59:34
○ 2026-02-16 23:22:14
○ 2026-04-15 00:36:02

●NSns2.s433.sureserver.com2026-02-16 → 2026-04-15 · 3 obs

○ 2020-02-25 23:59:34
● 2026-02-16 23:22:14
● 2026-04-15 00:36:02

●MXmail.internet-calculator.com2020-02-25 → 2026-04-15 · 3 obs

○ 2015-10-27 02:46:34
● 2020-02-25 23:59:34
● 2026-04-15 00:36:02

○MXmail.post-host.net2015-06-17 → 2015-06-17 · 3 obs

● 2015-06-17 11:27:56
○ 2015-10-27 02:46:34
○ 2026-04-15 00:36:02

○A103.224.182.2382015-06-17 → 2015-06-17 · 3 obs

● 2015-06-17 11:27:56
○ 2015-10-27 02:46:34
○ 2026-04-15 00:36:02

○A162.252.168.1422020-02-25 → 2020-02-25 · 4 obs

○ 2015-10-27 02:46:34
● 2020-02-25 23:59:34
○ 2026-02-16 23:22:14
○ 2026-04-15 00:36:02

●A192.252.154.252026-02-16 → 2026-04-15 · 3 obs

○ 2020-02-25 23:59:34
● 2026-02-16 23:22:14
● 2026-04-15 00:36:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
internet-calculator.com	ns1.s433.sureserver.com, ns2.s433.sureserver.com	2 records

✅ Authoritative Response

Server:192.252.155.25

NS records: ns1.s433.sureserver.com, ns2.s433.sureserver.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for internet-calculator.com (unsigned zone)

⏱️ Timing

Total: 121ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`192.252.154.25`
NS	2	`ns1.s433.sureserver.com, ns2.s433.sureserver.com`
MX	1	`mail.internet-calculator.com (pri: 0)`
TXT	1	`v=spf1 a mx include:s433.smtp-spf.surese`
SOA	1	`ns1.s433.sureserver.com hostmaster.inter`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1.s433.sureserver.com, ns2.s433.sureserver.com)

Analysis

Hierarchy

internet-calculator.com is the parent of mail.internet-calculator.com.

IP Addresses

internet-calculator.com resolves to one IP number: 192.252.154.25.

other host names including ndtinstitute.com, mail.acaciaholidayhomes.com, www.wtti.edu, pearlclothing.com and lisakaiser.com share IP numbers with internet-calculator.com.

Name Servers

internet-calculator.com is delegated to two name servers ns1.s433.sureserver.com and ns2.s433.sureserver.com.

internet-calculator.com shares the same name server setup as other domains, for instance joyforhumanity.org, brucereed.com, affordablewebsites4u.com, doctorjohnk.com and haverhillmasjid.org.

Host names with one IP number:

ns1.s433.sureserver.com points to 192.252.154.25

ns2.s433.sureserver.com points to 192.252.155.25

Mail Servers

internet-calculator.com is handled by a single mail server, mail.internet-calculator.com.

mail.internet-calculator.com resolves to IP 192.252.154.25.

internet-calculator.com - robtex.com