`cuocsongso.net`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::ac43:c4eb^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3034::6815:3450^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.52.80^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.196.235^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`kristin.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3ab5^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kristin.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0b5^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`kristin.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20b5^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`kristin.ns.cloudflare.com`
		A	108.162.192.181^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kristin.ns.cloudflare.com`
		A	172.64.32.181^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kristin.ns.cloudflare.com`
		A	173.245.58.181^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kristin.ns.cloudflare.com`
NS	`zod.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bfa^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`zod.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1fa^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`zod.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21fa^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`zod.ns.cloudflare.com`
		A	108.162.193.250^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`zod.ns.cloudflare.com`
		A	172.64.33.250^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`zod.ns.cloudflare.com`
		A	173.245.59.250^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`zod.ns.cloudflare.com`
MX	`cuocsongso-net.mail.protection.outlook.com` ⭐
TXT	`MS=ms59364866`
TXT	`google-site-verification=KXX4WEmSL2LBNUmKoghf1MIN8MzpFoHU-BcolvB3RJE`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.52.80, 172.67.196.235
		IPv6 hints	2606:4700:3033::ac43:c4eb, 2606:4700:3034::6815:3450
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=175, name=cloudflare-ech.com
SOA	`kristin.ns.cloudflare.com`dns@cloudflare.com serial=2403704976

`net`

	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=1778652081

🔒 HSTS Preload (+subdomains)

Same first word

cuocsongso.org

cuocsongso.net

cuocsongso.com

DNS History

22 records (7 active, 15 former)

●NSkristin.ns.cloudflare.com2026-04-21 → 2026-05-13 · 3 obs

○ 2018-08-21 02:55:08
● 2026-04-21 14:18:42
● 2026-05-13 06:23:38

○NSns1.pavietnam.vn2018-08-21 → 2018-08-21 · 4 obs

○ 2017-01-24 01:29:32
● 2018-08-21 02:55:08
○ 2026-04-21 14:18:42
○ 2026-05-13 06:23:38

○NSns2.pavietnam.vn2018-08-21 → 2018-08-21 · 4 obs

○ 2017-01-24 01:29:32
● 2018-08-21 02:55:08
○ 2026-04-21 14:18:42
○ 2026-05-13 06:23:38

○NSns51.domaincontrol.com2015-07-23 → 2017-01-24 · 4 obs

● 2015-07-23 16:10:16
● 2017-01-24 01:29:32
○ 2018-08-21 02:55:08
○ 2026-05-13 06:23:38

○NSns52.domaincontrol.com2015-07-23 → 2017-01-24 · 4 obs

● 2015-07-23 16:10:16
● 2017-01-24 01:29:32
○ 2018-08-21 02:55:08
○ 2026-05-13 06:23:38

○NSnsbak.pavietnam.net2018-08-21 → 2018-08-21 · 4 obs

○ 2017-01-24 01:29:32
● 2018-08-21 02:55:08
○ 2026-04-21 14:18:42
○ 2026-05-13 06:23:38

●NSzod.ns.cloudflare.com2026-04-21 → 2026-05-13 · 3 obs

○ 2018-08-21 02:55:08
● 2026-04-21 14:18:42
● 2026-05-13 06:23:38

○MXalt1.aspmx.l.google.com2015-07-23 → 2017-01-24 · 4 obs

● 2015-07-23 16:10:16
● 2017-01-24 01:29:32
○ 2018-08-21 02:55:08
○ 2026-05-13 06:23:38

○MXalt2.aspmx.l.google.com2015-07-23 → 2017-01-24 · 4 obs

● 2015-07-23 16:10:16
● 2017-01-24 01:29:32
○ 2018-08-21 02:55:08
○ 2026-05-13 06:23:38

○MXaspmx.l.google.com2015-07-23 → 2017-01-24 · 4 obs

● 2015-07-23 16:10:16
● 2017-01-24 01:29:32
○ 2018-08-21 02:55:08
○ 2026-05-13 06:23:38

○MXaspmx2.googlemail.com2015-07-23 → 2017-01-24 · 4 obs

● 2015-07-23 16:10:16
● 2017-01-24 01:29:32
○ 2018-08-21 02:55:08
○ 2026-05-13 06:23:38

○MXaspmx3.googlemail.com2015-07-23 → 2017-01-24 · 4 obs

● 2015-07-23 16:10:16
● 2017-01-24 01:29:32
○ 2018-08-21 02:55:08
○ 2026-05-13 06:23:38

●MXcuocsongso-net.mail.protection.outlook.com2026-04-21 → 2026-05-13 · 3 obs

○ 2018-08-21 02:55:08
● 2026-04-21 14:18:42
● 2026-05-13 06:23:38

●A104.21.52.802026-04-21 → 2026-05-13 · 3 obs

○ 2018-08-21 02:55:08
● 2026-04-21 14:18:42
● 2026-05-13 06:23:38

○A112.78.6.1442018-08-21 → 2018-08-21 · 4 obs

○ 2017-01-24 01:29:32
● 2018-08-21 02:55:08
○ 2026-04-21 14:18:42
○ 2026-05-13 06:23:38

●A172.67.196.2352026-04-21 → 2026-05-13 · 3 obs

○ 2018-08-21 02:55:08
● 2026-04-21 14:18:42
● 2026-05-13 06:23:38

○A216.239.32.212015-07-23 → 2017-01-24 · 4 obs

● 2015-07-23 16:10:16
● 2017-01-24 01:29:32
○ 2018-08-21 02:55:08
○ 2026-05-13 06:23:38

○A216.239.34.212015-07-23 → 2017-01-24 · 4 obs

● 2015-07-23 16:10:16
● 2017-01-24 01:29:32
○ 2018-08-21 02:55:08
○ 2026-05-13 06:23:38

○A216.239.36.212015-07-23 → 2017-01-24 · 4 obs

● 2015-07-23 16:10:16
● 2017-01-24 01:29:32
○ 2018-08-21 02:55:08
○ 2026-05-13 06:23:38

○A216.239.38.212015-07-23 → 2017-01-24 · 4 obs

● 2015-07-23 16:10:16
● 2017-01-24 01:29:32
○ 2018-08-21 02:55:08
○ 2026-05-13 06:23:38

●A2606:4700:3033::ac43:c4eb2026-04-21 → 2026-05-13 · 3 obs

○ 2018-08-21 02:55:08
● 2026-04-21 14:18:42
● 2026-05-13 06:23:38

●A2606:4700:3034::6815:34502026-04-21 → 2026-05-13 · 3 obs

○ 2018-08-21 02:55:08
● 2026-04-21 14:18:42
● 2026-05-13 06:23:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
cuocsongso.net	kristin.ns.cloudflare.com, zod.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.59.250

NS records: kristin.ns.cloudflare.com, zod.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cuocsongso.net (unsigned zone)

⏱️ Timing

Total: 408ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.52.80, 172.67.196.235`
AAAA	2	`2606:4700:3034::6815:3450, 2606:4700:3033::ac43:c4eb`
NS	2	`kristin.ns.cloudflare.com, zod.ns.cloudflare.com`
MX	1	`cuocsongso-net.mail.protection.outlook.c`
TXT	3	`MS=ms59364866, google-site-verification=KXX4WEmSL2LBNUm...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`kristin.ns.cloudflare.com dns.cloudflare`

Analysis

IP Addresses

cuocsongso.net maps to four IP numbers: 2606:4700:3033::ac43:c4eb, 2606:4700:3034::6815:3450, 104.21.52.80 and 172.67.196.235.

Other host names, for instance laboratoryconsultationservices.com, 9ca2451ac2d7.stpi-pajak.ac.id, homesecurities.net, cedarsoflebanonrestaurant.com and ultimateslothouse.com share IP numbers with cuocsongso.net.

Name Servers

Two name servers kristin.ns.cloudflare.com and zod.ns.cloudflare.com handle delegation for cuocsongso.net.

cuocsongso.net uses the same name server setup as other domains, for example subalia.net, disfrutaverdura.com, celularb2b.com, alcalasubastas.es and crawfordprofessional.es.

cuocsongso.net partially shares name servers with other domains; examples include nequxs.com, pay.club, allrss.se, sharansaidrivingschool.com and coreyholcomb.com.

These name servers are often used with the name servers stanley.ns.cloudflare.com and neil.ns.cloudflare.com.

Host names with six IP numbers: kristin.ns.cloudflare.com points to: 2606:4700:50::adf5:3ab5, 2803:f800:50::6ca2:c0b5, 2a06:98c1:50::ac40:20b5, 108.162.192.181, 172.64.32.181 and 173.245.58.181; zod.ns.cloudflare.com points to: 2606:4700:58::adf5:3bfa, 2803:f800:50::6ca2:c1fa, 2a06:98c1:50::ac40:21fa, 108.162.193.250, 172.64.33.250 and 173.245.59.250.

Mail Servers

cuocsongso.net is handled by a single mail server, cuocsongso-net.mail.protection.outlook.com.

cuocsongso.net - robtex.com

cuocsongso.net

net

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

Mail Servers

`cuocsongso.net`

`net`