`luyenthitoan.com`

DNSSEC	⚠️ Not signed
A	172.104.178.58^{🇸🇬 AKAMAI-LINODE-AP172.104.160.0/19 Akamai Technologies}
		PTR	`172-104-178-58.ip.linodeusercontent.com`
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}
SOA	`ns1.matbao.com`admin@matbao.com 2025-04-28 #5

`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=1776139432

Same first word

luyenthitoan.com

DNS History

14 records (3 active, 11 former)

○NSns1.dotvndns.vn2015-07-04 → 2015-11-09 · 4 obs

● 2015-07-04 12:24:06
● 2015-11-09 16:29:58
○ 2016-02-02 05:10:44
○ 2026-04-14 04:19:44

●NSns1.matbao.com2026-03-29 → 2026-04-14 · 3 obs

○ 2020-04-06 09:28:34
● 2026-03-29 16:45:00
● 2026-04-14 04:19:44

○NSns1.pavietnam.vn2016-05-04 → 2017-01-24 · 5 obs

○ 2016-02-02 05:10:44
● 2016-05-04 05:04:40
● 2017-01-24 07:26:50
○ 2020-04-06 09:28:34
○ 2026-04-14 04:19:44

○NSns1.tenten.cloud2020-04-06 → 2020-04-06 · 4 obs

○ 2017-01-24 07:26:50
● 2020-04-06 09:28:34
○ 2026-03-29 16:45:00
○ 2026-04-14 04:19:44

○NSns2.dotvndns.vn2015-07-04 → 2015-11-09 · 4 obs

● 2015-07-04 12:24:06
● 2015-11-09 16:29:58
○ 2016-02-02 05:10:44
○ 2026-04-14 04:19:44

●NSns2.matbao.com2026-03-29 → 2026-04-14 · 3 obs

○ 2020-04-06 09:28:34
● 2026-03-29 16:45:00
● 2026-04-14 04:19:44

○NSns2.pavietnam.vn2016-05-04 → 2017-01-24 · 5 obs

○ 2016-02-02 05:10:44
● 2016-05-04 05:04:40
● 2017-01-24 07:26:50
○ 2020-04-06 09:28:34
○ 2026-04-14 04:19:44

○NSns2.tenten.cloud2020-04-06 → 2020-04-06 · 4 obs

○ 2017-01-24 07:26:50
● 2020-04-06 09:28:34
○ 2026-03-29 16:45:00
○ 2026-04-14 04:19:44

○NSns3.tenten.cloud2020-04-06 → 2020-04-06 · 4 obs

○ 2017-01-24 07:26:50
● 2020-04-06 09:28:34
○ 2026-03-29 16:45:00
○ 2026-04-14 04:19:44

○MXmail.luyenthitoan.com2015-07-04 → 2017-01-24 · 7 obs

● 2015-07-04 12:24:06
● 2015-11-09 16:29:58
○ 2016-02-02 05:10:44
● 2016-05-04 05:04:40
● 2017-01-24 07:26:50
○ 2020-04-06 09:28:34
○ 2026-04-14 04:19:44

○A112.213.87.272015-07-04 → 2015-11-09 · 4 obs

● 2015-07-04 12:24:06
● 2015-11-09 16:29:58
○ 2016-02-02 05:10:44
○ 2026-04-14 04:19:44

○A112.213.89.382016-05-04 → 2017-01-24 · 5 obs

○ 2016-02-02 05:10:44
● 2016-05-04 05:04:40
● 2017-01-24 07:26:50
○ 2020-04-06 09:28:34
○ 2026-04-14 04:19:44

○A150.95.213.2202020-04-06 → 2020-04-06 · 4 obs

○ 2017-01-24 07:26:50
● 2020-04-06 09:28:34
○ 2026-03-29 16:45:00
○ 2026-04-14 04:19:44

●A172.104.178.582026-03-29 → 2026-04-14 · 3 obs

○ 2020-04-06 09:28:34
● 2026-03-29 16:45:00
● 2026-04-14 04:19:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	d.gtld-servers.net, e.gtld-servers.net, f.gtld-servers.net, g.gtld-servers.net...	-
luyenthitoan.com	ns1.matbao.com, ns2.matbao.com	4 records

✅ Authoritative Response

Server:103.138.89.11

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for luyenthitoan.com (unsigned zone)

⏱️ Timing

Total: 594ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`172.104.178.58`
NS	2	`ns1.matbao.com, ns2.matbao.com`
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

luyenthitoan.com resolves to one IP number: 172.104.178.58.

other host names including choiceind.com, happysmile.org.vn, asiapharma.com.vn, www.marphavet.com and hbcsci.com share IP numbers with luyenthitoan.com.

Name Servers

luyenthitoan.com is delegated to two name servers ns1.matbao.com and ns2.matbao.com.

luyenthitoan.com shares the same name server setup as other domains, for instance sontinhthuytinh.com, camerasieunho360.com, pnkids.com.vn, qlksonline.net and mayuonong.com.

luyenthitoan.com at least partially shares name servers with other domains, for instance thuyloilienson.com, nuocsuoilavie.com.vn, tienthinhcalendar.com, quynam.com and oitech.vn.

Name servers commonly used together include ns1.matbao.vn, ns2.matbao.vn, ns-bak.matbao.com, ns1.digipowerdns.com, ns3.matbao.com, ns4.matbao.com, ns2.digipowerdns.com, ns3.digipowerdns.com and ns4.digipowerdns.com.

Host names with two IP numbers:

The host name ns1.matbao.com points to 13.250.228.99 and 103.110.128.60; the host name ns2.matbao.com points to 35.198.203.127 and 103.138.89.11.

luyenthitoan.com - robtex.com