f-squared.com - dns.ninja

`f-squared.com`

DNSSEC	⚠️ Not signed
A	206.188.192.83^{🇺🇸 Jacksonville206.188.192.0/24 5335 Gate Parkway Jacksonville FL 32256 United States}
		PTR	`vux.netsolhost.com`
NS	`ns47.worldnic.com` ⭐
		A	162.159.26.111^{Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`ns48.worldnic.com`
		A	162.159.27.50^{Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
MX	`fsquared-com0c.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:c931::1^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-sa9pr03cu00201.inbound.protection.outlook.com`
		A	2a01:111:f403:c946::1^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-ch1pr04cu00101.inbound.protection.outlook.com`
		A	2a01:111:f403:c946::4^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-ch0pr04cu00504.inbound.protection.outlook.com`
		A	2a01:111:f403:f913::1^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-cy5pr05cu00101.inbound.protection.outlook.com`
		A	52.101.9.24^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-bl2pr02cu00400.inbound.protection.outlook.com`
		A	52.101.10.8^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-bn1pr04cu00100.inbound.protection.outlook.com`
		A	52.101.10.18^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-bn8pr05cu00302.inbound.protection.outlook.com`
		A	52.101.41.24^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sj0pr03cu01600.inbound.protection.outlook.com`
TXT	`v=spf1 ip4:50.243.173.149 include:spf.protection.outlook.com -all`
SOA	`NS47.WORLDNIC.com`namehost@WORLDNIC.com serial=126061002

`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=1786368064

Subdomains

www.f-squared.com

Same first word

f-squared.com

f-squared.org

DNS History

7 records (4 active, 3 former)

●NSns47.worldnic.com2015-07-25 → 2026-08-10 · 2 obs

● 2015-07-25 01:41:24
● 2026-08-10 13:47:08

●NSns48.worldnic.com2015-07-25 → 2026-08-10 · 2 obs

● 2015-07-25 01:41:24
● 2026-08-10 13:47:08

●MXfsquared-com0c.mail.protection.outlook.com2015-07-25 → 2026-08-10 · 2 obs

● 2015-07-25 01:41:24
● 2026-08-10 13:47:08

○A205.178.189.1292015-11-29 → 2015-11-29 · 4 obs

○ 2015-07-25 01:41:24
● 2015-11-29 08:39:42
○ 2016-03-11 13:07:52
○ 2026-08-10 13:47:08

●A206.188.192.832016-03-11 → 2026-08-10 · 7 obs

○ 2015-11-29 08:39:42
● 2016-03-11 13:07:52
● 2017-03-30 20:06:40
○ 2026-04-04 04:07:34
○ 2026-04-04 09:21:36
● 2026-08-10 13:47:06
● 2026-08-10 13:47:08

○A209.17.116.1602026-04-04 → 2026-04-04 · 5 obs

○ 2017-03-30 20:06:40
● 2026-04-04 04:07:34
● 2026-04-04 09:21:36
○ 2026-08-10 13:47:06
○ 2026-08-10 13:47:08

○A50.243.173.1492015-07-25 → 2015-07-25 · 3 obs

● 2015-07-25 01:41:24
○ 2015-11-29 08:39:42
○ 2026-08-10 13:47:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	c.gtld-servers.net, i.gtld-servers.net, b.gtld-servers.net, a.gtld-servers.net...	-
f-squared.com	ns47.worldnic.com, ns48.worldnic.com	2 records

✅ Authoritative Response

Server:162.159.27.50

NS records: ns47.worldnic.com, ns48.worldnic.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for f-squared.com (unsigned zone)

⏱️ Timing

Total: 149ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`206.188.192.83`
NS	2	`ns48.worldnic.com, ns47.worldnic.com`
MX	1	`fsquared-com0c.mail.protection.outlook.c`
TXT	1	`v=spf1 ip4:50.243.173.149 include:spf.pr`
SOA	1	`NS47.WORLDNIC.com namehost.WORLDNIC.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns47.worldnic.com, ns48.worldnic.com)

Analysis

Hierarchy

f-squared.com is a parent domain of www.f-squared.com.

IP Addresses

f-squared.com directs to one IP number, which is 206.188.192.83.

Among the host names that share IP numbers with f-squared.com are locascio.us, telnet.nationalcredit.com, mail.bbins.com and two others.

Name Servers

f-squared.com is served by two delegated name servers, ns47.worldnic.com and ns48.worldnic.com.

f-squared.com has the same name server delegation as a number of other domains, such as birriwines.com, rockymountainfp.com, mr-penis.net and two more.

The DNS delegation for f-squared.com at least partly coincides with that of other domains, okta.plus being one example.

ns47.worldnic.com and ns48.worldnic.com each resolve to one IP number: ns47.worldnic.com points to 162.159.26.111 and ns48.worldnic.com points to 162.159.27.50.

Mail Servers

f-squared.com routes its mail through a single mail server, fsquared-com0c.mail.protection.outlook.com.

fsquared-com0c.mail.protection.outlook.com directs to 8 IP numbers, including 52.101.9.24, 52.101.10.8 and 52.101.10.18, along with 5 other.