`tailieucodien.com`

DNSSEC	⚠️ Not signed
A	103.56.161.36^{🇻🇳 VNPT-AS-VN103.56.160.0/22 INETSOFT-VN}
NS	`ns1.dnsowl.com` ⭐
		A	2400:cb00:2049:1::a29f:1a88^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
		A	2400:cb00:2049:1::a29f:1bad^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
		A	162.159.26.136^{Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	162.159.27.173^{Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`ns2.dnsowl.com`
		A	2400:cb00:2049:1::a29f:1a31^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
		A	2400:cb00:2049:1::a29f:1b82^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
		A	162.159.26.49^{Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	162.159.27.130^{Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`ns3.dnsowl.com`
		A	2400:cb00:2049:1::a29f:1aea^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
		A	2400:cb00:2049:1::a29f:1b62^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
		A	162.159.26.234^{Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	162.159.27.98^{Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
SOA	`ns1.dnsowl.com`hostmaster@dnsowl.com serial=1731462188

`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=1778505866

Same first word

tailieucodien.com

DNS History

4 records (4 active, 0 former)

●NSns1.dnsowl.com2026-03-01 → 2026-05-11 · 2 obs

● 2026-03-01 15:42:32
● 2026-05-11 13:52:36

●NSns2.dnsowl.com2026-03-01 → 2026-05-11 · 2 obs

● 2026-03-01 15:42:32
● 2026-05-11 13:52:36

●NSns3.dnsowl.com2026-03-01 → 2026-05-11 · 2 obs

● 2026-03-01 15:42:32
● 2026-05-11 13:52:36

●A103.56.161.362026-03-01 → 2026-05-11 · 2 obs

● 2026-03-01 15:42:32
● 2026-05-11 13:52:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	h.gtld-servers.net, i.gtld-servers.net, j.gtld-servers.net, k.gtld-servers.net...	-
tailieucodien.com	ns1.dnsowl.com, ns2.dnsowl.com, ns3.dnsowl.com	12 records

✅ Authoritative Response

Server:162.159.26.136

NS records: ns1.dnsowl.com, ns2.dnsowl.com, ns3.dnsowl.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for tailieucodien.com (unsigned zone)

⏱️ Timing

Total: 220ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`103.56.161.36`
NS	3	`ns1.dnsowl.com, ns2.dnsowl.com...`
SOA	1	`ns1.dnsowl.com hostmaster.dnsowl.com`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (ns1.dnsowl.com, ns1.dnsowl.com, ns1.dnsowl.com...)

Analysis

IP Addresses

tailieucodien.com points to a single IP: 103.56.161.36.

Other host names, for instance careergate.vn, rhvacvietnam.vn, mail.fptwifi.vn, www.egono.vn and autodiscover.hylammon.com.vn share IP numbers with tailieucodien.com.

Name Servers

tailieucodien.com is delegated to three name servers: ns1.dnsowl.com, ns2.dnsowl.com and ns3.dnsowl.com.

tailieucodien.com at least partially shares its name servers with other domains, for instance ziekojuice.com, logicnets-lab.com, germanymonthly.com, pupriot.com and digitalwebone.com.

Host names with four IP numbers

ns1.dnsowl.com points to: 2400:cb00:2049:1::a29f:1a88, 2400:cb00:2049:1::a29f:1bad, 162.159.26.136 and 162.159.27.173

ns2.dnsowl.com points to: 2400:cb00:2049:1::a29f:1a31, 2400:cb00:2049:1::a29f:1b82, 162.159.26.49 and 162.159.27.130

ns3.dnsowl.com points to: 2400:cb00:2049:1::a29f:1aea, 2400:cb00:2049:1::a29f:1b62, 162.159.26.234 and 162.159.27.98

tailieucodien.com - robtex.com