`duosyx.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::6815:5903^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3030::ac43:9b35^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.89.3^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.155.53^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`brenna.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:26b0^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`brenna.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2b0^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`brenna.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22b0^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`brenna.ns.cloudflare.com`
		A	108.162.194.176^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`brenna.ns.cloudflare.com`
		A	162.159.38.176^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`brenna.ns.cloudflare.com`
		A	172.64.34.176^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`brenna.ns.cloudflare.com`
NS	`ricardo.ns.cloudflare.com`
		A	2606:4700:58::a29f:2cd3^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ricardo.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3d3^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`ricardo.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23d3^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`ricardo.ns.cloudflare.com`
		A	108.162.195.211^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ricardo.ns.cloudflare.com`
		A	162.159.44.211^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ricardo.ns.cloudflare.com`
		A	172.64.35.211^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ricardo.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.89.3, 172.67.155.53
		IPv6	2606:4700:3030::6815:5903, 2606:4700:3030::ac43:9b35
SOA	`brenna.ns.cloudflare.com`dns@cloudflare.com serial=2400094675

`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=1774717152

Previously MX for

duosyx.com

Same first word

duosyx.com

Similar names

yoduxs.com

oxydus.net

oxydus.com

DNS History

18 records (6 active, 12 former)

○NSa.share-dns.com2026-02-23 → 2026-02-25 · 5 obs

○ 2020-02-02 22:01:20
● 2026-02-23 18:24:00
● 2026-02-25 12:25:24
○ 2026-03-28 17:09:00
○ 2026-03-28 17:09:02

○NSa7.share-dns.com2026-02-23 → 2026-02-25 · 5 obs

○ 2020-02-02 22:01:20
● 2026-02-23 18:24:00
● 2026-02-25 12:25:24
○ 2026-03-28 17:09:00
○ 2026-03-28 17:09:02

○NSb.share-dns.net2026-02-23 → 2026-02-25 · 5 obs

○ 2020-02-02 22:01:20
● 2026-02-23 18:24:00
● 2026-02-25 12:25:24
○ 2026-03-28 17:09:00
○ 2026-03-28 17:09:02

○NSb7.share-dns.net2026-02-23 → 2026-02-25 · 5 obs

○ 2020-02-02 22:01:20
● 2026-02-23 18:24:00
● 2026-02-25 12:25:24
○ 2026-03-28 17:09:00
○ 2026-03-28 17:09:02

●NSbrenna.ns.cloudflare.com2026-03-28 → 2026-03-28 · 3 obs

○ 2026-02-25 12:25:24
● 2026-03-28 17:09:00
● 2026-03-28 17:09:02

○NSns15.dnsecure.biz2015-07-09 → 2017-03-14 · 4 obs

● 2015-07-09 23:09:26
● 2017-03-14 04:47:40
○ 2020-02-02 22:01:20
○ 2026-03-28 17:09:02

○NSns16.dnsecure.biz2015-07-09 → 2017-03-14 · 4 obs

● 2015-07-09 23:09:26
● 2017-03-14 04:47:40
○ 2020-02-02 22:01:20
○ 2026-03-28 17:09:02

○NSns7.dnsecure.biz2020-02-02 → 2020-02-02 · 4 obs

○ 2017-03-14 04:47:40
● 2020-02-02 22:01:20
○ 2026-02-23 18:24:00
○ 2026-03-28 17:09:02

○NSns8.dnsecure.biz2020-02-02 → 2020-02-02 · 4 obs

○ 2017-03-14 04:47:40
● 2020-02-02 22:01:20
○ 2026-02-23 18:24:00
○ 2026-03-28 17:09:02

●NSricardo.ns.cloudflare.com2026-03-28 → 2026-03-28 · 3 obs

○ 2026-02-25 12:25:24
● 2026-03-28 17:09:00
● 2026-03-28 17:09:02

○MXduosyx.com2015-07-09 → 2020-02-02 · 4 obs

● 2015-07-09 23:09:26
● 2020-02-02 22:01:20
○ 2026-02-23 18:24:00
○ 2026-03-28 17:09:02

●A104.21.89.32026-03-28 → 2026-03-28 · 3 obs

○ 2026-02-23 18:24:00
● 2026-03-28 17:09:00
● 2026-03-28 17:09:02

○A112.137.162.1132020-02-02 → 2020-02-02 · 4 obs

○ 2017-03-14 04:47:40
● 2020-02-02 22:01:20
○ 2026-02-23 18:24:00
○ 2026-03-28 17:09:02

○A112.137.162.1182015-07-09 → 2017-03-14 · 4 obs

● 2015-07-09 23:09:26
● 2017-03-14 04:47:40
○ 2020-02-02 22:01:20
○ 2026-03-28 17:09:02

○A172.247.137.1652026-02-23 → 2026-03-28 · 2 obs

○ 2026-02-23 18:24:00
○ 2026-03-28 17:09:02

●A172.67.155.532026-03-28 → 2026-03-28 · 3 obs

○ 2026-02-23 18:24:00
● 2026-03-28 17:09:00
● 2026-03-28 17:09:02

●A2606:4700:3030::6815:59032026-03-28 → 2026-03-28 · 3 obs

○ 2026-02-23 18:24:00
● 2026-03-28 17:09:00
● 2026-03-28 17:09:02

●A2606:4700:3030::ac43:9b352026-03-28 → 2026-03-28 · 3 obs

○ 2026-02-23 18:24:00
● 2026-03-28 17:09:00
● 2026-03-28 17:09:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
duosyx.com	brenna.ns.cloudflare.com, ricardo.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.195.211

NS records: brenna.ns.cloudflare.com, ricardo.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for duosyx.com (unsigned zone)

⏱️ Timing

Total: 138ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.155.53, 104.21.89.3`
AAAA	2	`2606:4700:3030::ac43:9b35, 2606:4700:3030::6815:5903`
NS	2	`brenna.ns.cloudflare.com, ricardo.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`brenna.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

duosyx.com resolves to four IP numbers: 2606:4700:3030::6815:5903, 2606:4700:3030::ac43:9b35, 104.21.89.3 and 172.67.155.53.

Other host names such as jointdots.com, www.tvstellendam.nl, ekidenglish.com, williamsandpearcedental.com and www.zgym.lv.cdn.cloudflare.net share IPs with duosyx.com.

Name Servers

duosyx.com is delegated to two name servers: brenna.ns.cloudflare.com and ricardo.ns.cloudflare.com.

duosyx.com shares the same name server setup as tidewaterroofing.com, radiocarolineband.com, aylian.com, fundacionpev.org and istilldl.com.

duosyx.com at least partially shares name servers with other domains, for instance kod-pomorze.pl, iemenergy.com, shadowthornproductions.com, organic-construction.com and mycannabinoids.com.

These name servers are commonly used with mia.ns.cloudflare.com and aaden.ns.cloudflare.com.

Host names with six IP numbers:

brenna.ns.cloudflare.com points to 2606:4700:50::a29f:26b0, 2803:f800:50::6ca2:c2b0, 2a06:98c1:50::ac40:22b0, 108.162.194.176, 162.159.38.176 and 172.64.34.176.

ricardo.ns.cloudflare.com points to 2606:4700:58::a29f:2cd3, 2803:f800:50::6ca2:c3d3, 2a06:98c1:50::ac40:23d3, 108.162.195.211, 162.159.44.211 and 172.64.35.211.

duosyx.com - robtex.com

duosyx.com

com

Previously MX for

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

`duosyx.com`

`com`