`caulongtuson.com`

DNSSEC	⚠️ Not signed
A	199.27.135.247^{🇻🇳 Cloudflare199.27.134.0/23 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`ns1.matbao.com` ⭐
		A	13.250.228.99^{🇸🇬 Amazon13.250.0.0/15 EC2 SIN prefix}
			PTR	`ec2-13-250-228-99.ap-southeast-1.compute.amazonaws.com`
		A	103.110.128.60^{🇻🇳 AXYS-VN103.110.128.0/23}
NS	`ns2.matbao.com`
		A	35.198.203.127^{🇸🇬 Google35.198.192.0/20}
			PTR	`127.203.198.35.bc.googleusercontent.com`
		A	103.138.89.11^{🇻🇳 VNPT-AS-VN103.138.88.0/23 VNPT-NET}
MX	`mail.caulongtuson.com` ⭐
TXT	`v=spf1 mx include:42.117.246.101 -all`
SOA	`ns1.matbao.com`admin@matbao.com 2024-05-31 #2

`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=1778384366

Same first word

caulongtuson.com

DNS History

4 records (4 active, 0 former)

●NSns1.matbao.com2026-05-01 → 2026-05-10 · 2 obs

● 2026-05-01 13:15:52
● 2026-05-10 03:52:58

●NSns2.matbao.com2026-05-01 → 2026-05-10 · 2 obs

● 2026-05-01 13:15:52
● 2026-05-10 03:52:58

●MXmail.caulongtuson.com2026-05-01 → 2026-05-10 · 2 obs

● 2026-05-01 13:15:52
● 2026-05-10 03:52:58

●A199.27.135.2472026-05-01 → 2026-05-10 · 2 obs

● 2026-05-01 13:15:52
● 2026-05-10 03:52:58

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	b.gtld-servers.net, d.gtld-servers.net, g.gtld-servers.net, l.gtld-servers.net...	-
caulongtuson.com	ns1.matbao.com, ns2.matbao.com	4 records

✅ Authoritative Response

Server:103.110.128.60

NS records: ns1.matbao.com, ns2.matbao.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for caulongtuson.com (unsigned zone)

⏱️ Timing

Total: 766ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`199.27.135.247`
NS	2	`ns2.matbao.com, ns1.matbao.com`
MX	1	`mail.caulongtuson.com (pri: 10)`
TXT	1	`v=spf1 mx include:42.117.246.101 -all`
SOA	1	`ns1.matbao.com admin.matbao.com`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns1.matbao.com, ns1.matbao.com, ns2.matbao.com...)

Analysis

IP Addresses

caulongtuson.com points to a single IP: 199.27.135.247.

Other host names, for instance nhaquefood.com, jasminenails.vn, nuocdongchaibachkhoa.vn, ausa.vn and h2store.vn share IP numbers with caulongtuson.com.

Name Servers

caulongtuson.com's delegation is to two name servers ns1.matbao.com and ns2.matbao.com.

caulongtuson.com shares the same name server configuration as other domains, such as nhasachgiaoduc.com, catecvn.com, 5p5pentathlon.xyz, bondeluxury.store and balangfoods.com.

caulongtuson.com at least partially shares its name servers with other domains, for instance tonalegal.com, hatgiongvang.edu.vn, vpsssd.vn, digimind.vn and chongtromductien.com.

These name servers are commonly used with ns1.matbao.vn, ns2.matbao.vn and ns-bak.matbao.com.

Host names with two IP numbers: ns1.matbao.com points to 13.250.228.99 and 103.110.128.60; ns2.matbao.com points to 35.198.203.127 and 103.138.89.11

Mail Servers

caulongtuson.com is served by a single mail server, mail.caulongtuson.com.

caulongtuson.com - robtex.com