cuong.tech - dns.ninja

`cuong.tech`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::ac43:b9fa^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3034::6815:136e^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.19.110^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.185.250^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`martha.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:268e^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`martha.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c28e^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`martha.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:228e^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`martha.ns.cloudflare.com`
		A	108.162.194.142^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`martha.ns.cloudflare.com`
		A	162.159.38.142^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`martha.ns.cloudflare.com`
		A	172.64.34.142^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`martha.ns.cloudflare.com`
NS	`paul.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b87^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`paul.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c187^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`paul.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2187^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`paul.ns.cloudflare.com`
		A	108.162.193.135^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`paul.ns.cloudflare.com`
		A	172.64.33.135^{Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	173.245.59.135^{Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
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`⁽⁴³⁾
		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`⁽⁷⁹⁾
		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	`openai-domain-verification=dv-Ffg2FfOtbTDvy7KXhHfWD4Nr`
TXT	`v=spf1 include:_spf.mx.cloudflare.net ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.19.110, 172.67.185.250
		IPv6 hints	2606:4700:3033::ac43:b9fa, 2606:4700:3034::6815:136e
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=222, name=cloudflare-ech.com
SOA	`martha.ns.cloudflare.com`dns@cloudflare.com serial=2405483615

`tech`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns01.trs-dns.com` ⭐
	NS	`ns.trs-dns.com`
	NS	`ns01.trs-dns.net`
	NS	`ns10.trs-dns.info`
	NS	`ns10.trs-dns.org`
	SOA	`ns.trs-dns.com`trs-ops@tucows.com serial=1783065835

Subdomains

mail.cuong.tech

Same first word

cuong.net

cuong.com

cuong.bid

cuong.tech

cuong.top

cuong.name.vn

cuong.biz

cuong.audio

cuong.vn

cuong.us

cuong.com.vn

cuong.me

cuong.org

cuong.co

Similar names

gunco.com.au

uncog.net

gocun.com.cn

ncoug.com

ugnco.com

ncgou.com

ncugo.com

uncog.com

cugno.com

nguoc.com

congu.net

gunco.lu

gocun.com

cngou.net

cgoun.cc

ugocn.com

congu.de

congu.org

cognu.com

unocg.com

ocgun.com

gonuc.com

ugocn.cn

conug.com

gucon.com

cognu.net

cogun.com

gunoc.com

congu.com

gunco.com

cognu.fr

gucon.be

gunco.net

gcnuo.com

ucong.com.cn

cugno.org

ocung.net

gunco.fr

ucong.com

cungo.net

gunco.eu

gunco.be

cognu.org

cugon.cn

goncu.com.tr

goncu.net

ugcon.com

ucong.net

cnoug.net

DNS History

18 records (9 active, 9 former)

○NSfay.ns.cloudflare.com2016-12-13 → 2017-09-27 · 4 obs

● 2016-12-13 03:11:52
● 2017-09-27 18:03:40
○ 2026-04-21 18:54:56
○ 2026-07-03 08:30:12

○NSigor.ns.cloudflare.com2016-12-13 → 2017-09-27 · 4 obs

● 2016-12-13 03:11:52
● 2017-09-27 18:03:40
○ 2026-04-21 18:54:56
○ 2026-07-03 08:30:12

●NSmartha.ns.cloudflare.com2026-04-21 → 2026-07-03 · 3 obs

○ 2017-09-27 18:03:40
● 2026-04-21 18:54:56
● 2026-07-03 08:30:12

●NSpaul.ns.cloudflare.com2026-04-21 → 2026-07-03 · 3 obs

○ 2017-09-27 18:03:40
● 2026-04-21 18:54:56
● 2026-07-03 08:30:12

○MXmail.cuong.tech2026-04-21 → 2026-05-18 · 4 obs

● 2026-04-21 18:54:56
● 2026-05-18 03:30:40
○ 2026-05-23 05:04:48
○ 2026-07-03 08:30:12

●MXroute1.mx.cloudflare.net2026-05-23 → 2026-07-03 · 3 obs

○ 2026-05-18 03:30:40
● 2026-05-23 05:04:48
● 2026-07-03 08:30:12

●MXroute2.mx.cloudflare.net2026-05-23 → 2026-07-03 · 3 obs

○ 2026-05-18 03:30:40
● 2026-05-23 05:04:48
● 2026-07-03 08:30:12

●MXroute3.mx.cloudflare.net2026-05-23 → 2026-07-03 · 3 obs

○ 2026-05-18 03:30:40
● 2026-05-23 05:04:48
● 2026-07-03 08:30:12

●A104.21.19.1102026-04-21 → 2026-07-03 · 3 obs

○ 2017-09-27 18:03:40
● 2026-04-21 18:54:56
● 2026-07-03 08:30:12

○A104.27.176.492016-12-13 → 2017-09-27 · 4 obs

● 2016-12-13 03:11:52
● 2017-09-27 18:03:40
○ 2026-04-21 18:54:56
○ 2026-07-03 08:30:12

○A104.27.177.492016-12-13 → 2017-09-27 · 4 obs

● 2016-12-13 03:11:52
● 2017-09-27 18:03:40
○ 2026-04-21 18:54:56
○ 2026-07-03 08:30:12

●A172.67.185.2502026-04-21 → 2026-07-03 · 3 obs

○ 2017-09-27 18:03:40
● 2026-04-21 18:54:56
● 2026-07-03 08:30:12

○A2400:cb00:2048:1::681b:b0312016-12-13 → 2017-09-27 · 4 obs

● 2016-12-13 03:11:52
● 2017-09-27 18:03:40
○ 2026-04-21 18:54:56
○ 2026-07-03 08:30:12

○A2400:cb00:2048:1::681b:b1312016-12-13 → 2017-09-27 · 4 obs

● 2016-12-13 03:11:52
● 2017-09-27 18:03:40
○ 2026-04-21 18:54:56
○ 2026-07-03 08:30:12

○A2606:4700:3032::ac43:b9fa2026-04-21 → 2026-04-21 · 4 obs

○ 2017-09-27 18:03:40
● 2026-04-21 18:54:56
○ 2026-07-01 22:18:40
○ 2026-07-03 08:30:12

●A2606:4700:3033::ac43:b9fa2026-07-01 → 2026-07-03 · 3 obs

○ 2026-04-21 18:54:56
● 2026-07-01 22:18:40
● 2026-07-03 08:30:12

●A2606:4700:3034::6815:136e2026-07-01 → 2026-07-03 · 3 obs

○ 2026-04-21 18:54:56
● 2026-07-01 22:18:40
● 2026-07-03 08:30:12

○A2606:4700:3035::6815:136e2026-04-21 → 2026-04-21 · 4 obs

○ 2017-09-27 18:03:40
● 2026-04-21 18:54:56
○ 2026-07-01 22:18:40
○ 2026-07-03 08:30:12

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
tech	ns01.trs-dns.com, ns01.trs-dns.net, ns10.trs-dns.org, ns10.trs-dns.info	-
cuong.tech	paul.ns.cloudflare.com, martha.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.59.135

NS records: paul.ns.cloudflare.com, martha.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cuong.tech (unsigned zone)

⏱️ Timing

Total: 996ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.185.250, 104.21.19.110`
AAAA	2	`2606:4700:3034::6815:136e, 2606:4700:3033::ac43:b9fa`
NS	2	`martha.ns.cloudflare.com, paul.ns.cloudflare.com`
MX	3	`route1.mx.cloudflare.net (pri: 27), route2.mx.cloudflare.net (pri: 43)...`
TXT	2	`openai-domain-verification=dv-Ffg2FfOtbT, v=spf1 include:_spf.mx.cloudflare.net ~a`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`martha.ns.cloudflare.com dns.cloudflare.`

Analysis

Hierarchy

cuong.tech is the parent zone for mail.cuong.tech.

IP Addresses

cuong.tech resolves to four IP addresses: 104.21.19.110, 172.67.185.250, 2606:4700:3033::ac43:b9fa and 2606:4700:3034::6815:136e.

Among the host names that share IP numbers with cuong.tech are xinxin18.com, willamettevalleycc.com, glasses.sa and two others.

Name Servers

cuong.tech has two authoritative name servers — martha.ns.cloudflare.com and paul.ns.cloudflare.com.

cuong.tech has the same name server delegation as a number of other domains, such as jbingham.net, pioneerhindi.com, malikaexchange99.com and two more.

cuong.tech partially shares its NS delegation with several other domains, including seragram.com, occhialidasole-shop.it, aaronmountings.com and two others.

The name servers arya.ns.cloudflare.com, duke.ns.cloudflare.com, nash.ns.cloudflare.com and johnathan.ns.cloudflare.com are often found in use alongside these name servers.

Host names resolving to 6 IP numbers:

martha.ns.cloudflare.com points to 108.162.194.142, 162.159.38.142, 172.64.34.142 and 3 other IP addresses.

paul.ns.cloudflare.com points to 108.162.193.135, 172.64.33.135, 173.245.59.135 and 3 other IP addresses.

Mail Servers

cuong.tech uses three mail servers — route1.mx.cloudflare.net, route2.mx.cloudflare.net and route3.mx.cloudflare.net.

cuong.tech shares at least some of its mail servers with other domains — for example riseandgrind.com, betwinner-luckyjet.com, ref.vn and two more.

Host names resolving to 6 IP numbers:

route1.mx.cloudflare.net points to 162.159.205.11, 162.159.205.12, 162.159.205.13 and 3 other IP addresses.

route2.mx.cloudflare.net points to 162.159.205.17, 162.159.205.18, 162.159.205.19 and 3 other IP addresses.

route3.mx.cloudflare.net points to 162.159.205.23, 162.159.205.24, 162.159.205.25 and 3 other IP addresses.