`f-sys.net`

DNSSEC	⚠️ Not signed
NS	`alina.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a3d^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alina.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c03d^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`alina.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:203d^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`alina.ns.cloudflare.com`
		A	108.162.192.61^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alina.ns.cloudflare.com`
		A	172.64.32.61^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alina.ns.cloudflare.com`
		A	173.245.58.61^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alina.ns.cloudflare.com`
NS	`jeff.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b7c^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jeff.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c17c^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`jeff.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:217c^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`jeff.ns.cloudflare.com`
		A	108.162.193.124^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jeff.ns.cloudflare.com`
		A	172.64.33.124^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jeff.ns.cloudflare.com`
		A	173.245.59.124^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jeff.ns.cloudflare.com`
MX	`route3.mx.cloudflare.net` ⭐
		A	2606:4700:f5::11^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::12^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::13^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.23^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.24^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.25^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
MX	`route2.mx.cloudflare.net`⁽³¹⁾
		A	2606:4700:f5::e^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::f^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::10^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.17^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.18^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.19^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
MX	`route1.mx.cloudflare.net`⁽⁴⁴⁾
		A	2606:4700:f5::b^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::c^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::d^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.11^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.12^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.13^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
TXT	`v=spf1 include:_spf.mx.cloudflare.net ~all`
SOA	`alina.ns.cloudflare.com`dns@cloudflare.com serial=2409276527

`net`

	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=1784419937

Same first word

f-sys.info

f-sys.net

f-sys.com

f-sys.jp

f-sys.ru

Similar names

fs-sy.cn

sy-fs.com

sys-f.com

DNS History

9 records (5 active, 4 former)

●NSalina.ns.cloudflare.com2026-07-12 → 2026-07-19 · 3 obs

○ 2026-03-03 04:36:48
● 2026-07-12 15:38:46
● 2026-07-19 00:37:16

●NSjeff.ns.cloudflare.com2026-07-12 → 2026-07-19 · 3 obs

○ 2026-03-03 04:36:48
● 2026-07-12 15:38:46
● 2026-07-19 00:37:16

○NSns93.worldnic.com2015-08-19 → 2017-10-23 · 4 obs

● 2015-08-19 03:06:12
● 2017-10-23 23:58:06
○ 2026-03-03 04:36:48
○ 2026-07-19 00:37:16

○NSns94.worldnic.com2015-08-19 → 2017-10-23 · 4 obs

● 2015-08-19 03:06:12
● 2017-10-23 23:58:06
○ 2026-03-03 04:36:48
○ 2026-07-19 00:37:16

○MXmail.f-sys.net2015-08-19 → 2017-10-23 · 4 obs

● 2015-08-19 03:06:12
● 2017-10-23 23:58:06
○ 2026-03-03 04:36:48
○ 2026-07-19 00:37:16

●MXroute1.mx.cloudflare.net2026-07-12 → 2026-07-19 · 3 obs

○ 2026-03-03 04:36:48
● 2026-07-12 15:38:46
● 2026-07-19 00:37:16

●MXroute2.mx.cloudflare.net2026-07-12 → 2026-07-19 · 3 obs

○ 2026-03-03 04:36:48
● 2026-07-12 15:38:46
● 2026-07-19 00:37:16

●MXroute3.mx.cloudflare.net2026-07-12 → 2026-07-19 · 3 obs

○ 2026-03-03 04:36:48
● 2026-07-12 15:38:46
● 2026-07-19 00:37:16

○A202.214.23.362015-08-19 → 2017-10-23 · 4 obs

● 2015-08-19 03:06:12
● 2017-10-23 23:58:06
○ 2026-03-03 04:36:48
○ 2026-07-19 00:37:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	e.gtld-servers.net, c.gtld-servers.net, j.gtld-servers.net, k.gtld-servers.net...	-
f-sys.net	jeff.ns.cloudflare.com, alina.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.193.124

NS records: jeff.ns.cloudflare.com, alina.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for f-sys.net (unsigned zone)

⏱️ Timing

Total: 270ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`alina.ns.cloudflare.com, jeff.ns.cloudflare.com`
MX	3	`route3.mx.cloudflare.net (pri: 13), route2.mx.cloudflare.net (pri: 31)...`
TXT	1	`v=spf1 include:_spf.mx.cloudflare.net ~a`
SOA	1	`alina.ns.cloudflare.com dns.cloudflare.c`

Analysis

Name Servers

The NS records for f-sys.net delegate to alina.ns.cloudflare.com and jeff.ns.cloudflare.com.

f-sys.net shares its NS records with other domains, for example human8.link, yappsa.com, olivew.site and two others.

f-sys.net partially shares its NS delegation with several other domains, including airain.com, sarahburkefoundation.com, autosensenh.com and two others.

These name servers often co-occur with the name servers justin.ns.cloudflare.com.

DNS names with 6 IP addresses:

alina.ns.cloudflare.com maps to 108.162.192.61, 172.64.32.61, 173.245.58.61 and 3 additional IP addresses.

jeff.ns.cloudflare.com maps to 108.162.193.124, 172.64.33.124, 173.245.59.124 and 3 additional IP addresses.

Mail Servers

f-sys.net uses three mail servers — route1.mx.cloudflare.net, route2.mx.cloudflare.net and route3.mx.cloudflare.net.

There is at least a partial MX overlap between f-sys.net and other domains, including produceexchange.net, clasificaciones.com, mythikos.net and two others.

DNS names with 6 IP addresses:

route1.mx.cloudflare.net maps to 162.159.205.11, 162.159.205.12, 162.159.205.13 and 3 additional IP addresses.

route2.mx.cloudflare.net maps to 162.159.205.17, 162.159.205.18, 162.159.205.19 and 3 additional IP addresses.

route3.mx.cloudflare.net maps to 162.159.205.23, 162.159.205.24, 162.159.205.25 and 3 additional IP addresses.

f-sys.net - robtex.com

f-sys.net

net

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

Name Servers

Mail Servers

`f-sys.net`

`net`