`thietbiphongsach.com`

DNSSEC	⚠️ Not signed
A	103.90.235.32^{🇻🇳 WEBPANDA-AS-VN103.90.232.0/22 WEBPANDA-VN}
NS	`ns1.dns.net.vn` ⭐
		A	2401:5f80:4001:2::5^{🇻🇳 VTDC-AS-VN2401:5f80:4000::/36 VTDC-VN}
		A	210.211.108.160^{🇻🇳 VTDC-AS-VN210.211.108.0/22 Proxy-registered route object}
			PTR	`ns1.dns.net.vn`
NS	`ns2.dns.net.vn`
		A	2403:6000:3:3::^{🇻🇳 QTSP2403:6000::/40}
		A	103.45.229.100^{🇻🇳 QTSP103.45.229.0/24 CMI (Customer Route)}
			PTR	`ns2.dns.net.vn`
MX	`mail.thietbiphongsach.com` ⭐
		A	103.74.117.53^{🇻🇳 TADU-AS-VN103.74.116.0/22 TADU-VN}
TXT	`v=spf1 a mx ?all`
SOA	`ns1.dns.net.vn`webmaster@dns.net.vn serial=1639759901

`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=1778367751

Subdomains

www.thietbiphongsach.com

mail.thietbiphongsach.com

Same first word

thietbiphongsach.com

thietbiphongsach.net

DNS History

9 records (4 active, 5 former)

○NShiendaihoa.earth.orderbox-dns.com2015-08-01 → 2016-02-26 · 4 obs

● 2015-08-01 06:44:28
● 2016-02-26 20:21:38
○ 2016-05-04 20:27:30
○ 2026-05-09 23:03:28

○NShiendaihoa.mars.orderbox-dns.com2015-08-01 → 2016-02-26 · 4 obs

● 2015-08-01 06:44:28
● 2016-02-26 20:21:38
○ 2016-05-04 20:27:30
○ 2026-05-09 23:03:28

○NShiendaihoa.mercury.orderbox-dns.com2015-08-01 → 2016-02-26 · 4 obs

● 2015-08-01 06:44:28
● 2016-02-26 20:21:38
○ 2016-05-04 20:27:30
○ 2026-05-09 23:03:28

○NShiendaihoa.venus.orderbox-dns.com2015-08-01 → 2016-02-26 · 4 obs

● 2015-08-01 06:44:28
● 2016-02-26 20:21:38
○ 2016-05-04 20:27:30
○ 2026-05-09 23:03:28

●NSns1.dns.net.vn2016-05-04 → 2026-05-09 · 3 obs

○ 2016-02-26 20:21:38
● 2016-05-04 20:27:30
● 2026-05-09 23:03:28

●NSns2.dns.net.vn2016-05-04 → 2026-05-09 · 3 obs

○ 2016-02-26 20:21:38
● 2016-05-04 20:27:30
● 2026-05-09 23:03:28

●MXmail.thietbiphongsach.com2016-05-04 → 2026-05-09 · 2 obs

● 2016-05-04 20:27:30
● 2026-05-09 23:03:28

○A103.28.37.382015-08-01 → 2017-05-21 · 4 obs

● 2015-08-01 06:44:28
● 2017-05-21 11:01:06
○ 2026-03-09 01:43:20
○ 2026-05-09 23:03:28

●A103.90.235.322026-03-09 → 2026-05-09 · 3 obs

○ 2017-05-21 11:01:06
● 2026-03-09 01:43:20
● 2026-05-09 23:03:28

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
thietbiphongsach.com	ns2.dns.net.vn, ns1.dns.net.vn	-

✅ Authoritative Response

Server:103.45.229.100

NS records: ns2.dns.net.vn, ns1.dns.net.vn

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for thietbiphongsach.com (unsigned zone)

⏱️ Timing

Total: 3585ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`103.90.235.32`
NS	2	`ns1.dns.net.vn, ns2.dns.net.vn`
MX	1	`mail.thietbiphongsach.com (pri: 10)`
TXT	1	`v=spf1 a mx ?all`
SOA	1	`ns1.dns.net.vn webmaster.dns.net.vn`

Analysis

Hierarchy

thietbiphongsach.com is the parent of www.thietbiphongsach.com and mail.thietbiphongsach.com.

IP Addresses

thietbiphongsach.com resolves to a single IP: 103.90.235.32.

Other host names, for instance nasaco.com.vn, mail.nasaco.com.vn, www.astecgroup.vn, www.thietbiphongsach.com and noithat.inhome.vn share IP numbers with thietbiphongsach.com.

Name Servers

thietbiphongsach.com has two name servers: ns1.dns.net.vn and ns2.dns.net.vn.

thietbiphongsach.com shares the same name server setup as other domains, for example vietsonvn.com, 50nammuoi.com.vn, viettravel.com.vn, tiendatco.com.vn and thuedotiecruouvang.vn.

thietbiphongsach.com shares some name servers with other domains, for example saigonpoint.vn, gemart.vn, micom.vn, qualipro.vn and idn.vn.

Host names with two IP numbers:

ns1.dns.net.vn points to: 2401:5f80:4001:2::5 and 210.211.108.160; ns2.dns.net.vn points to: 2403:6000:3:3:: and 103.45.229.100.

Mail Servers

thietbiphongsach.com is handled by a single mail server, mail.thietbiphongsach.com.

Host name mail.thietbiphongsach.com points to IP 103.74.117.53.

thietbiphongsach.com - robtex.com