`cuocsongso.org`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::ac43:d731^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::6815:2d8e^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.45.142^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.215.49^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`denver.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2cc4^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`denver.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3c4^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`denver.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23c4^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`denver.ns.cloudflare.com`
		A	108.162.195.196^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`denver.ns.cloudflare.com`
		A	162.159.44.196^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`denver.ns.cloudflare.com`
		A	172.64.35.196^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`denver.ns.cloudflare.com`
NS	`susan.ns.cloudflare.com`
		A	2606:4700:50::a29f:26c7^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`susan.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2c7^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`susan.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22c7^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`susan.ns.cloudflare.com`
		A	108.162.194.199^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`susan.ns.cloudflare.com`
		A	162.159.38.199^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`susan.ns.cloudflare.com`
		A	172.64.34.199^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`susan.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.45.142, 172.67.215.49
		IPv6 hints	2606:4700:3033::ac43:d731, 2606:4700:3035::6815:2d8e
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=143, name=cloudflare-ech.com
SOA	`denver.ns.cloudflare.com`dns@cloudflare.com serial=2401871469

`org`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.org.afilias-nst.info` ⭐ ⚠️ Not in parent delegation
	NS	`a2.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`b0.org.afilias-nst.org`
	NS	`b2.org.afilias-nst.org`
	NS	`c0.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`d0.org.afilias-nst.org`
	SOA	`a0.org.afilias-nst.info`hostmaster@donuts.email serial=1778632153

Same first word

cuocsongso.net

cuocsongso.com

cuocsongso.org

DNS History

16 records (6 active, 10 former)

●NSdenver.ns.cloudflare.com2026-05-02 → 2026-05-13 · 3 obs

○ 2020-03-25 06:17:38
● 2026-05-02 17:14:08
● 2026-05-13 00:42:00

○NSns-master.inet.vn2020-03-25 → 2020-03-25 · 4 obs

○ 2017-03-18 23:35:28
● 2020-03-25 06:17:38
○ 2026-05-02 17:14:08
○ 2026-05-13 00:42:00

○NSns1.inet.vn2020-03-25 → 2020-03-25 · 4 obs

○ 2017-03-18 23:35:28
● 2020-03-25 06:17:38
○ 2026-05-02 17:14:08
○ 2026-05-13 00:42:00

○NSns1.renewyourname.net2016-07-13 → 2016-07-13 · 4 obs

○ 2016-03-20 10:55:02
● 2016-07-13 18:00:20
○ 2017-03-18 23:35:28
○ 2026-05-13 00:42:00

○NSns1541.ztomy.com2015-08-18 → 2016-03-20 · 4 obs

● 2015-08-18 05:42:54
● 2016-03-20 10:55:02
○ 2016-07-13 18:00:20
○ 2026-05-13 00:42:00

○NSns2.inet.vn2020-03-25 → 2020-03-25 · 4 obs

○ 2017-03-18 23:35:28
● 2020-03-25 06:17:38
○ 2026-05-02 17:14:08
○ 2026-05-13 00:42:00

○NSns2.renewyourname.net2016-07-13 → 2016-07-13 · 4 obs

○ 2016-03-20 10:55:02
● 2016-07-13 18:00:20
○ 2017-03-18 23:35:28
○ 2026-05-13 00:42:00

○NSns2541.ztomy.com2015-08-18 → 2016-03-20 · 4 obs

● 2015-08-18 05:42:54
● 2016-03-20 10:55:02
○ 2016-07-13 18:00:20
○ 2026-05-13 00:42:00

●NSsusan.ns.cloudflare.com2026-05-02 → 2026-05-13 · 3 obs

○ 2020-03-25 06:17:38
● 2026-05-02 17:14:08
● 2026-05-13 00:42:00

●A104.21.45.1422026-05-02 → 2026-05-13 · 3 obs

○ 2020-03-25 06:17:38
● 2026-05-02 17:14:08
● 2026-05-13 00:42:00

●A172.67.215.492026-05-02 → 2026-05-13 · 3 obs

○ 2020-03-25 06:17:38
● 2026-05-02 17:14:08
● 2026-05-13 00:42:00

○A202.92.4.412020-03-25 → 2020-03-25 · 4 obs

○ 2017-03-18 23:35:28
● 2020-03-25 06:17:38
○ 2026-05-02 17:14:08
○ 2026-05-13 00:42:00

○A208.91.197.2412015-08-18 → 2016-03-20 · 4 obs

● 2015-08-18 05:42:54
● 2016-03-20 10:55:02
○ 2016-07-13 18:00:20
○ 2026-05-13 00:42:00

●A2606:4700:3033::ac43:d7312026-05-02 → 2026-05-13 · 3 obs

○ 2020-03-25 06:17:38
● 2026-05-02 17:14:08
● 2026-05-13 00:42:00

●A2606:4700:3035::6815:2d8e2026-05-02 → 2026-05-13 · 3 obs

○ 2020-03-25 06:17:38
● 2026-05-02 17:14:08
● 2026-05-13 00:42:00

○A69.172.201.2172016-07-13 → 2016-07-13 · 4 obs

○ 2016-03-20 10:55:02
● 2016-07-13 18:00:20
○ 2017-03-18 23:35:28
○ 2026-05-13 00:42:00

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	d0.org.afilias-nst.org, b2.org.afilias-nst.org, b0.org.afilias-nst.org	-
cuocsongso.org	susan.ns.cloudflare.com, denver.ns.cloudflare.com	-

✅ Authoritative Response

Server:162.159.38.199

NS records: susan.ns.cloudflare.com, denver.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cuocsongso.org (unsigned zone)

⏱️ Timing

Total: 540ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.215.49, 104.21.45.142`
AAAA	2	`2606:4700:3033::ac43:d731, 2606:4700:3035::6815:2d8e`
NS	2	`denver.ns.cloudflare.com, susan.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`denver.ns.cloudflare.com dns.cloudflare.`

Analysis

IP Addresses

cuocsongso.org resolves to four IP numbers: 2606:4700:3033::ac43:d731, 2606:4700:3035::6815:2d8e, 104.21.45.142 and 172.67.215.49.

other host names for instance ssl-appadvice-com-c20de9.c-col.com, c-col.com, 56b8.com, www.mezo-org.sbs and ns2.c-col.com share IP numbers with cuocsongso.org.

Name Servers

cuocsongso.org is delegated to two name servers: denver.ns.cloudflare.com and susan.ns.cloudflare.com.

cuocsongso.org shares the same name server setup as other domains, for example sctv.uk.net, rifanomellamesyotellamo.com, besovereign.org, venturephotography.us.com and paragon.eu.com.

cuocsongso.org at least partially shares name servers with other domains, for instance vulkan-casino.ru.com, xo88.cloud, dunwoodydentalcare.com, saleduck.com.ph and bbmdd.com.

These name servers are commonly used with damon.ns.cloudflare.com, lily.ns.cloudflare.com, oswald.ns.cloudflare.com and tate.ns.cloudflare.com.

Host names with six IP numbers:

denver.ns.cloudflare.com points to: 2606:4700:58::a29f:2cc4, 2803:f800:50::6ca2:c3c4, 2a06:98c1:50::ac40:23c4, 108.162.195.196, 162.159.44.196 and 172.64.35.196; susan.ns.cloudflare.com points to: 2606:4700:50::a29f:26c7, 2803:f800:50::6ca2:c2c7, 2a06:98c1:50::ac40:22c7, 108.162.194.199, 162.159.38.199 and 172.64.34.199.

cuocsongso.org - robtex.com

cuocsongso.org

org

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

`cuocsongso.org`

`org`