`biosignalsystems.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::ac43:ccd9^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:4d3b^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.77.59^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.204.217^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`darwin.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b97^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`darwin.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c197^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`darwin.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2197^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`darwin.ns.cloudflare.com`
		A	108.162.193.151^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`darwin.ns.cloudflare.com`
		A	172.64.33.151^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`darwin.ns.cloudflare.com`
		A	173.245.59.151^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`darwin.ns.cloudflare.com`
NS	`macy.ns.cloudflare.com`
		A	2606:4700:50::a29f:264e^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`macy.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c24e^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`macy.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:224e^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`macy.ns.cloudflare.com`
		A	108.162.194.78^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`macy.ns.cloudflare.com`
		A	162.159.38.78^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`macy.ns.cloudflare.com`
		A	172.64.34.78^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`macy.ns.cloudflare.com`
MX	`route1.mx.cloudflare.net` ⭐
		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`
MX	`route2.mx.cloudflare.net`⁽⁴⁴⁾
		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	`route3.mx.cloudflare.net`⁽⁹³⁾
		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`
TXT	`v=spf1 include:_spf.mx.cloudflare.net ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.77.59, 172.67.204.217
		IPv6	2606:4700:3030::ac43:ccd9, 2606:4700:3037::6815:4d3b
SOA	`darwin.ns.cloudflare.com`dns@cloudflare.com serial=2397190224

`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=1774591477

Same first word

biosignalsystems.com

DNS History

9 records (9 active, 0 former)

●NSdarwin.ns.cloudflare.com2026-02-25 → 2026-03-27 · 2 obs

● 2026-02-25 19:20:54
● 2026-03-27 06:08:40

●NSmacy.ns.cloudflare.com2026-02-25 → 2026-03-27 · 2 obs

● 2026-02-25 19:20:54
● 2026-03-27 06:08:40

●MXroute1.mx.cloudflare.net2026-02-25 → 2026-03-27 · 2 obs

● 2026-02-25 19:20:54
● 2026-03-27 06:08:40

●MXroute2.mx.cloudflare.net2026-02-25 → 2026-03-27 · 2 obs

● 2026-02-25 19:20:54
● 2026-03-27 06:08:40

●MXroute3.mx.cloudflare.net2026-02-25 → 2026-03-27 · 2 obs

● 2026-02-25 19:20:54
● 2026-03-27 06:08:40

●A104.21.77.592026-02-25 → 2026-03-27 · 2 obs

● 2026-02-25 19:20:54
● 2026-03-27 06:08:40

●A172.67.204.2172026-02-25 → 2026-03-27 · 2 obs

● 2026-02-25 19:20:54
● 2026-03-27 06:08:40

●A2606:4700:3030::ac43:ccd92026-02-25 → 2026-03-27 · 2 obs

● 2026-02-25 19:20:54
● 2026-03-27 06:08:40

●A2606:4700:3037::6815:4d3b2026-02-25 → 2026-03-27 · 2 obs

● 2026-02-25 19:20:54
● 2026-03-27 06:08:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	j.gtld-servers.net, m.gtld-servers.net, g.gtld-servers.net, e.gtld-servers.net...	-
biosignalsystems.com	darwin.ns.cloudflare.com, macy.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.194.78

NS records: darwin.ns.cloudflare.com, macy.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for biosignalsystems.com (unsigned zone)

⏱️ Timing

Total: 115ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.204.217, 104.21.77.59`
AAAA	2	`2606:4700:3037::6815:4d3b, 2606:4700:3030::ac43:ccd9`
NS	2	`darwin.ns.cloudflare.com, macy.ns.cloudflare.com`
MX	3	`route1.mx.cloudflare.net (pri: 24), route2.mx.cloudflare.net (pri: 44)...`
TXT	1	`v=spf1 include:_spf.mx.cloudflare.net ~a`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`darwin.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

Four IP numbers are pointed to by biosignalsystems.com: 2606:4700:3030::ac43:ccd9, 2606:4700:3037::6815:4d3b, 104.21.77.59 and 172.67.204.217.

other host names including tomori.us, greatpunjabbusinesscentre.com, rakyatjpwin.online, agriturismobaracca.com and knitlikeyoumeanit.com share IP numbers with biosignalsystems.com.

Name Servers

biosignalsystems.com is delegated to two name servers darwin.ns.cloudflare.com and macy.ns.cloudflare.com.

biosignalsystems.com shares the same name server setup as other domains, for instance jebac.net, mfa.com, intotheskintattoos.com, disneyplus.business and miraysoft.com.

biosignalsystems.com at least partially shares name servers with other domains, for instance krown.ca, 913kk.com, ferrahotel.com, sixdollarfamily.com and puntatoledo.com.ar.

these name servers are commonly used alongside kia.ns.cloudflare.com.

Host names with six IP numbers:

Host name darwin.ns.cloudflare.com points to: 2606:4700:58::adf5:3b97, 2803:f800:50::6ca2:c197, 2a06:98c1:50::ac40:2197, 108.162.193.151, 172.64.33.151 and 173.245.59.151.

Host name macy.ns.cloudflare.com points to: 2606:4700:50::a29f:264e, 2803:f800:50::6ca2:c24e, 2a06:98c1:50::ac40:224e, 108.162.194.78, 162.159.38.78 and 172.64.34.78.

Mail Servers

biosignalsystems.com is handled by three mail servers: route1.mx.cloudflare.net, route2.mx.cloudflare.net and route3.mx.cloudflare.net.

biosignalsystems.com shares some mail servers with other domains, at least partially, for instance rkkrs.nl, matrixwifi.com.br, qth.us, (0x626f6f62)snbuns.com and slitherio.onl.

Host names with six IP numbers:

Host name route1.mx.cloudflare.net points to: 2606:4700:f5::b, 2606:4700:f5::c, 2606:4700:f5::d, 162.159.205.11, 162.159.205.12 and 162.159.205.13.

Host name route2.mx.cloudflare.net points to: 2606:4700:f5::e, 2606:4700:f5::f, 2606:4700:f5::10, 162.159.205.17, 162.159.205.18 and 162.159.205.19.

Host name route3.mx.cloudflare.net points to: 2606:4700:f5::11, 2606:4700:f5::12, 2606:4700:f5::13, 162.159.205.23, 162.159.205.24 and 162.159.205.25.

biosignalsystems.com - robtex.com