`functionalsystems.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::6815:35f1^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3033::ac43:dc76^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.53.241^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.220.118^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`frank.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3ba6^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`frank.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1a6^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`frank.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21a6^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`frank.ns.cloudflare.com`
		A	108.162.193.166^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`frank.ns.cloudflare.com`
		A	172.64.33.166^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`frank.ns.cloudflare.com`
		A	173.245.59.166^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`frank.ns.cloudflare.com`
NS	`zara.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a94^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`zara.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c094^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`zara.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2094^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`zara.ns.cloudflare.com`
		A	108.162.192.148^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`zara.ns.cloudflare.com`
		A	172.64.32.148^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`zara.ns.cloudflare.com`
		A	173.245.58.148^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`zara.ns.cloudflare.com`
MX	`mx1.emailsrvr.com` ⭐
		A	108.166.43.1^{🇺🇸 RACKSPACE-ORD108.166.0.0/18 Rackspace}
			PTR	`mx1.emailsrvr.com`
		A	146.20.161.1^{🇺🇸 RACKSPACE-IAD146.20.0.0/16 Rackspace US Inc}
			PTR	`mx1.emailsrvr.com`
		A	173.203.187.1^{🇺🇸 RACKSPACE-IAD173.203.128.0/18 Rackspace Managed Hosting, 9725 Data point drive, Suite 100, San Antonio, TX 78229}
			PTR	`mx1.emailsrvr.com`
		A	184.106.54.1^{🇺🇸 RACKSPACE-ORD184.106.54.0/24 Rackspace ORD}
			PTR	`mx1.emailsrvr.com`
MX	`mx2.emailsrvr.com`⁽²⁰⁾
		A	184.106.54.2^{🇺🇸 RACKSPACE-ORD184.106.54.0/24 Rackspace ORD}
			PTR	`mx2.emailsrvr.com`
TXT	`MS=ms81612388`
TXT	`f1e704f4b0733d66d55fe6d6061aa3d1ff491ed6`
TXT	`v=spf1 include:spf.protection.outlook.com include:emailsrvr.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.53.241, 172.67.220.118
		IPv6 hints	2606:4700:3031::6815:35f1, 2606:4700:3033::ac43:dc76
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=92, name=cloudflare-ech.com
SOA	`frank.ns.cloudflare.com`dns@cloudflare.com serial=2404150933

`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=1781314303

Same first word

functionalsystems.com

DNS History

15 records (8 active, 7 former)

●NSfrank.ns.cloudflare.com2026-02-18 → 2026-06-13 · 3 obs

○ 2020-02-22 06:03:46
● 2026-02-18 10:42:04
● 2026-06-13 01:41:50

○NSns0.dnsmadeeasy.com2015-06-06 → 2020-02-22 · 4 obs

● 2015-06-06 22:59:28
● 2020-02-22 06:03:46
○ 2026-02-18 10:42:04
○ 2026-06-13 01:41:50

○NSns1.dnsmadeeasy.com2015-06-06 → 2020-02-22 · 4 obs

● 2015-06-06 22:59:28
● 2020-02-22 06:03:46
○ 2026-02-18 10:42:04
○ 2026-06-13 01:41:50

○NSns2.dnsmadeeasy.com2015-06-06 → 2020-02-22 · 4 obs

● 2015-06-06 22:59:28
● 2020-02-22 06:03:46
○ 2026-02-18 10:42:04
○ 2026-06-13 01:41:50

○NSns3.dnsmadeeasy.com2015-06-06 → 2020-02-22 · 4 obs

● 2015-06-06 22:59:28
● 2020-02-22 06:03:46
○ 2026-02-18 10:42:04
○ 2026-06-13 01:41:50

○NSns4.dnsmadeeasy.com2015-06-06 → 2020-02-22 · 4 obs

● 2015-06-06 22:59:28
● 2020-02-22 06:03:46
○ 2026-02-18 10:42:04
○ 2026-06-13 01:41:50

●NSzara.ns.cloudflare.com2026-02-18 → 2026-06-13 · 3 obs

○ 2020-02-22 06:03:46
● 2026-02-18 10:42:04
● 2026-06-13 01:41:50

●MXmx1.emailsrvr.com2026-02-18 → 2026-06-13 · 3 obs

○ 2020-02-22 06:03:46
● 2026-02-18 10:42:04
● 2026-06-13 01:41:50

●MXmx2.emailsrvr.com2026-02-18 → 2026-06-13 · 3 obs

○ 2020-02-22 06:03:46
● 2026-02-18 10:42:04
● 2026-06-13 01:41:50

○MXspam.prosyscon.com2015-06-06 → 2020-02-22 · 4 obs

● 2015-06-06 22:59:28
● 2020-02-22 06:03:46
○ 2026-02-18 10:42:04
○ 2026-06-13 01:41:50

●A104.21.53.2412026-02-18 → 2026-06-13 · 3 obs

○ 2020-02-22 06:03:46
● 2026-02-18 10:42:04
● 2026-06-13 01:41:50

●A172.67.220.1182026-02-18 → 2026-06-13 · 3 obs

○ 2020-02-22 06:03:46
● 2026-02-18 10:42:04
● 2026-06-13 01:41:50

●A2606:4700:3031::6815:35f12026-02-18 → 2026-06-13 · 3 obs

○ 2020-02-22 06:03:46
● 2026-02-18 10:42:04
● 2026-06-13 01:41:50

●A2606:4700:3033::ac43:dc762026-02-18 → 2026-06-13 · 3 obs

○ 2020-02-22 06:03:46
● 2026-02-18 10:42:04
● 2026-06-13 01:41:50

○A72.32.99.652015-06-06 → 2020-02-22 · 4 obs

● 2015-06-06 22:59:28
● 2020-02-22 06:03:46
○ 2026-02-18 10:42:04
○ 2026-06-13 01:41:50

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
functionalsystems.com	zara.ns.cloudflare.com, frank.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.148

NS records: zara.ns.cloudflare.com, frank.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for functionalsystems.com (unsigned zone)

⏱️ Timing

Total: 1875ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.53.241, 172.67.220.118`
AAAA	2	`2606:4700:3031::6815:35f1, 2606:4700:3033::ac43:dc76`
NS	2	`frank.ns.cloudflare.com, zara.ns.cloudflare.com`
MX	2	`mx1.emailsrvr.com (pri: 10), mx2.emailsrvr.com (pri: 20)`
TXT	3	`MS=ms81612388, f1e704f4b0733d66d55fe6d6061aa3d1ff491ed6...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`frank.ns.cloudflare.com dns.cloudflare.c`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (zara.ns.cloudflare.com, zara.ns.cloudflare.com, zara.ns.cloudflare.com...)

Analysis

IP Addresses

functionalsystems.com points to four IP numbers: 104.21.53.241, 172.67.220.118, 2606:4700:3031::6815:35f1 and 2606:4700:3033::ac43:dc76.

wmdesenvolvedora.com.br, r.wtf, shizmen.com plus two other host names have IP numbers in common with functionalsystems.com.

Name Servers

functionalsystems.com has two authoritative name servers — frank.ns.cloudflare.com and zara.ns.cloudflare.com.

The name server configuration of functionalsystems.com is shared with other domains, for instance millerportableservices.com, newenglandmobilestorage.com, sanitarymixers.com and two others.

At least some of functionalsystems.com's name servers are shared with other domains, for example cartenav.com, axelar.network, a-pr.pl and two more.

Hosts with 6 IP addresses each:

frank.ns.cloudflare.com points to 108.162.193.166, 172.64.33.166, 173.245.59.166 and 3 other IP addresses.

zara.ns.cloudflare.com points to 108.162.192.148, 172.64.32.148, 173.245.58.148 and 3 other IP addresses.

Mail Servers

functionalsystems.com uses two mail servers, mx1.emailsrvr.com and mx2.emailsrvr.com.

The mail server setup of functionalsystems.com matches that of other domains such as lordandhodge.com, cwacathletics.com, 10morrisonstreet.com and two others.

At least some of the mail servers used by functionalsystems.com are shared with other domains: navyseals.com, innovacionagricola.com.mx, flatheadvetwellness.com and two others among them.

Host names with four IP numbers:

mx1.emailsrvr.com directs to 108.166.43.1, 146.20.161.1, 173.203.187.1 and 184.106.54.1.

Host names with one IP number:

mx2.emailsrvr.com resolves to 184.106.54.2.

functionalsystems.com - robtex.com