`rfbz.ca`

DNSSEC	⚠️ Not signed
A	2606:4700:3036::6815:25d6^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:d578^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.37.214^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.213.120^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`alla.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a3e^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alla.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c03e^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`alla.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:203e^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`alla.ns.cloudflare.com`
		A	108.162.192.62^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alla.ns.cloudflare.com`
		A	172.64.32.62^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alla.ns.cloudflare.com`
		A	173.245.58.62^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alla.ns.cloudflare.com`
NS	`ben.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b67^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ben.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c167^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`ben.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2167^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`ben.ns.cloudflare.com`
		A	108.162.193.103^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ben.ns.cloudflare.com`
		A	172.64.33.103^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ben.ns.cloudflare.com`
		A	173.245.59.103^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ben.ns.cloudflare.com`
MX	`route2.mx.cloudflare.net` ⭐
		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`⁽⁶⁴⁾
		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	`route1.mx.cloudflare.net`⁽⁹³⁾
		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`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.37.214, 172.67.213.120
		IPv6	2606:4700:3036::6815:25d6, 2606:4700:3037::ac43:d578
SOA	`alla.ns.cloudflare.com`dns@cloudflare.com serial=2399253041

`ca`

	DNSSEC	🔒 Signed (DS record present)
	NS	`prd-czp-05.corp.cira.ca` ⭐ 🔒
	NS	`any.ca-servers.ca` 🔒
	NS	`c.ca-servers.ca` 🔒
	NS	`d.ca-servers.ca` 🔒
	NS	`j.ca-servers.ca` 🔒
	SOA	`prd-czp-05.corp.cira.ca`admin-dns@cira.ca serial=2603150330

🔒 HSTS Preload (+subdomains)

Same first word

rfbz.com

rfbz.ca

Similar names

zrbf.co.zw

bzrf.com

fzrb.cn

rbzf.com

bfrz.cc

zrfb.com.cn

bfzr.com

zfbr.de

bfrz.de

bfrz.ru

bfzr.ru

zfrb.com

zrbf.com

frzb.com

brzf.com

zbfr.com

bfzr.de

fzbr.de

fzbr.com

rzfb.com

frzb.de

DNS History

13 records (9 active, 4 former)

●NSalla.ns.cloudflare.com2026-02-18 → 2026-03-23 · 2 obs

● 2026-02-18 04:19:46
● 2026-03-23 00:35:12

●NSben.ns.cloudflare.com2026-02-18 → 2026-03-23 · 2 obs

● 2026-02-18 04:19:46
● 2026-03-23 00:35:12

●MXroute1.mx.cloudflare.net2026-03-23 → 2026-03-23 · 1 obs

● 2026-03-23 00:35:12

●MXroute2.mx.cloudflare.net2026-03-23 → 2026-03-23 · 1 obs

● 2026-03-23 00:35:12

●MXroute3.mx.cloudflare.net2026-03-23 → 2026-03-23 · 1 obs

● 2026-03-23 00:35:12

●A104.21.37.2142026-02-18 → 2026-03-23 · 4 obs

● 2026-02-18 04:19:46
● 2026-02-27 04:10:54
○ 2026-02-27 09:13:30
● 2026-03-23 00:35:12

●A172.67.213.1202026-02-18 → 2026-03-23 · 4 obs

● 2026-02-18 04:19:46
● 2026-02-27 04:10:54
○ 2026-02-27 09:13:30
● 2026-03-23 00:35:12

○A188.114.96.02026-02-27 → 2026-02-27 · 3 obs

○ 2026-02-27 04:10:54
● 2026-02-27 09:13:30
○ 2026-03-23 00:35:12

○A188.114.97.02026-02-27 → 2026-02-27 · 3 obs

○ 2026-02-27 04:10:54
● 2026-02-27 09:13:30
○ 2026-03-23 00:35:12

●A2606:4700:3036::6815:25d62026-02-18 → 2026-03-23 · 4 obs

● 2026-02-18 04:19:46
● 2026-02-27 04:10:54
○ 2026-02-27 09:13:30
● 2026-03-23 00:35:12

●A2606:4700:3037::ac43:d5782026-02-18 → 2026-03-23 · 4 obs

● 2026-02-18 04:19:46
● 2026-02-27 04:10:54
○ 2026-02-27 09:13:30
● 2026-03-23 00:35:12

○A2a06:98c1:3120::2026-02-27 → 2026-02-27 · 3 obs

○ 2026-02-27 04:10:54
● 2026-02-27 09:13:30
○ 2026-03-23 00:35:12

○A2a06:98c1:3121::2026-02-27 → 2026-02-27 · 3 obs

○ 2026-02-27 04:10:54
● 2026-02-27 09:13:30
○ 2026-03-23 00:35:12

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ca	any.ca-servers.ca, c.ca-servers.ca, d.ca-servers.ca, j.ca-servers.ca	-
rfbz.ca	ben.ns.cloudflare.com, alla.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.193.103

NS records: ben.ns.cloudflare.com, alla.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rfbz.ca (unsigned zone)

⏱️ Timing

Total: 506ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.37.214, 172.67.213.120`
AAAA	2	`2606:4700:3037::ac43:d578, 2606:4700:3036::6815:25d6`
NS	2	`alla.ns.cloudflare.com, ben.ns.cloudflare.com`
MX	3	`route2.mx.cloudflare.net (pri: 55), route3.mx.cloudflare.net (pri: 64)...`
TXT	1	`v=spf1 include:_spf.mx.cloudflare.net ~a`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`alla.ns.cloudflare.com dns.cloudflare.co`

Analysis

IP Addresses

rfbz.ca maps to four IP numbers: 2606:4700:3036::6815:25d6, 2606:4700:3037::ac43:d578, 104.21.37.214 and 172.67.213.120.

Other host names, for instance www.aroundtravels.com, whappshare.com, parkrublevo.ru, yzwgxh.com and atoc.org share IP numbers with rfbz.ca.

Name Servers

Two name servers alla.ns.cloudflare.com and ben.ns.cloudflare.com are delegated to rfbz.ca.

rfbz.ca uses the same name server configuration as other domains, such as isufsulovari.com, galeriarira.com, realestateinvestingwebsites.com, gianlucascerni.com and ddivad.dev.

rfbz.ca at least partially shares name servers with other domains such as v7mebq.bond, mskaarup.dk, kobshop.ru, lokitechnology.com and allegranorthyork.com.

These name servers are commonly used with tim.ns.cloudflare.com and keanu.ns.cloudflare.com.

Host names with six IP numbers: Host name alla.ns.cloudflare.com points to 2606:4700:50::adf5:3a3e, 2803:f800:50::6ca2:c03e, 2a06:98c1:50::ac40:203e, 108.162.192.62, 172.64.32.62 and 173.245.58.62; host name ben.ns.cloudflare.com points to 2606:4700:58::adf5:3b67, 2803:f800:50::6ca2:c167, 2a06:98c1:50::ac40:2167, 108.162.193.103, 172.64.33.103 and 173.245.59.103.

Mail Servers

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

rfbz.ca shares mail servers with other domains at least in part, for instance builderhardwaresupply.com, homes.org, marvintv.net, pobox.be and rojascarranza.com.

Host names with six IP numbers:

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.

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.

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.

rfbz.ca - robtex.com

rfbz.ca

ca

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

Mail Servers

`rfbz.ca`

`ca`