`thteducation.com`

DNSSEC	⚠️ Not signed
A	210.245.8.134^{🇻🇳 FPT-AS-AP210.245.8.0/21 Vietnam Internet Network Information Center (VNNIC) 18 Nguyen Du Str, Hai Ba Trung District, Hanoi City, Vietnam 10th floor, MITEC Tower, Duong Dinh Nghe, Cau Giay, Hanoi}
NS	`ns1.sapo.vn` ⭐
		A	112.213.89.3^{🇻🇳 SUPERDATA112.213.89.0/24 Vietnam Internet Network Information Center (VNNIC) 18 Nguyen Du Str, Hai Ba Trung District, Hanoi City, Vietnam 24th floor, VNTA Tower, Duong Dinh Nghe, Cau Giay, Hanoi}
			PTR	`ns1.dotvndns.vn`
NS	`ns2.sapo.vn`
		A	222.255.121.247^{🇻🇳 VDC222.255.121.0/24 VNPT}
			PTR	`static.vdc.vn`
			PTR	`static.vnpt.vn`
MX	`mail90138.maychuemail.com` ⭐
		A	112.213.90.138^{🇻🇳 SUPERDATA112.213.90.0/24 Vietnam Internet Network Information Center (VNNIC) 18 Nguyen Du Str, Hai Ba Trung District, Hanoi City, Vietnam 24th floor, VNTA Tower, Duong Dinh Nghe, Cau Giay, Hanoi}
			PTR	`mail90138.maychuemail.com`
MX	`mx90138.maychuemail.net`⁽¹⁰⁾
		A	112.213.90.138^{🇻🇳 SUPERDATA112.213.90.0/24 Vietnam Internet Network Information Center (VNNIC) 18 Nguyen Du Str, Hai Ba Trung District, Hanoi City, Vietnam 24th floor, VNTA Tower, Duong Dinh Nghe, Cau Giay, Hanoi}
			PTR	`mail90138.maychuemail.com`
TXT	`v=spf1 include:spf.maychuemail.com ~all`
SOA	`ns1.sapo.vn`hostmaster@thteducation.com 2025-08-11 #4

`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=1778424886

Same first word

thteducation.com

DNS History

9 records (5 active, 4 former)

●NSns1.sapo.vn2026-02-27 → 2026-05-10 · 3 obs

○ 2018-11-11 00:14:16
● 2026-02-27 15:21:16
● 2026-05-10 15:00:38

○NSns1.sdns.vn2018-11-11 → 2018-11-11 · 3 obs

● 2018-11-11 00:14:16
○ 2026-02-27 15:21:16
○ 2026-05-10 15:00:38

●NSns2.sapo.vn2026-02-27 → 2026-05-10 · 3 obs

○ 2018-11-11 00:14:16
● 2026-02-27 15:21:16
● 2026-05-10 15:00:38

○NSns2.sdns.vn2018-11-11 → 2018-11-11 · 3 obs

● 2018-11-11 00:14:16
○ 2026-02-27 15:21:16
○ 2026-05-10 15:00:38

○NSns3.sdns.vn2018-11-11 → 2018-11-11 · 3 obs

● 2018-11-11 00:14:16
○ 2026-02-27 15:21:16
○ 2026-05-10 15:00:38

●MXmail90138.maychuemail.com2026-02-27 → 2026-05-10 · 2 obs

● 2026-02-27 15:21:16
● 2026-05-10 15:00:38

●MXmx90138.maychuemail.net2026-02-27 → 2026-05-10 · 2 obs

● 2026-02-27 15:21:16
● 2026-05-10 15:00:38

○A103.74.119.1282018-11-11 → 2018-11-11 · 3 obs

● 2018-11-11 00:14:16
○ 2026-02-27 15:21:16
○ 2026-05-10 15:00:38

●A210.245.8.1342026-02-27 → 2026-05-10 · 3 obs

○ 2018-11-11 00:14:16
● 2026-02-27 15:21:16
● 2026-05-10 15:00:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	e.gtld-servers.net, b.gtld-servers.net, k.gtld-servers.net, f.gtld-servers.net...	-
thteducation.com	ns1.sapo.vn, ns2.sapo.vn	-

✅ Authoritative Response

Server:222.255.121.247

NS records: ns1.sapo.vn, ns2.sapo.vn

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for thteducation.com (unsigned zone)

⏱️ Timing

Total: 1535ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`210.245.8.134`
NS	2	`ns1.sapo.vn, ns2.sapo.vn`
MX	2	`mail90138.maychuemail.com (pri: 5), mx90138.maychuemail.net (pri: 10)`
TXT	1	`v=spf1 include:spf.maychuemail.com ~all`
SOA	1	`ns1.sapo.vn hostmaster.thteducation.com`

Analysis

IP Addresses

thteducation.com resolves to a single IP: 210.245.8.134.

Other host names, for instance a.coski.com.vn, vinacee.com, mail.vansvietnam.com.vn, funismart.net and www.hoptacxadaphuc.vn share IP numbers with thteducation.com.

Name Servers

thteducation.com has two name servers: ns1.sapo.vn and ns2.sapo.vn.

thteducation.com shares the same name server setup as other domains, for example namhocthanhhoa.com, elifestemschool.vn, dktsoft.com, hubmart.vn and maisonvietnam.com.vn.

thteducation.com shares some name servers with other domains, for example dukickfilm.com, innguyengia.com.vn, sonmoilp.vn, mariejapan.vn and vaultvietnam.vn.

These name servers are commonly used with the name servers ns1.dotvndns.vn, ns2.dotvndns.vn, ns1.dkt.com.vn, nsbak.pavietnam.vn, ns1.pavietnam.vn and ns2.pavietnam.vn.

Host names with a single IP:

ns1.sapo.vn points to 112.213.89.3

ns2.sapo.vn points to 222.255.121.247

Mail Servers

thteducation.com is served by two mail servers: mail90138.maychuemail.com and mx90138.maychuemail.net.

thteducation.com shares the mail server setup with other domains, for example dongsonsteel.com.vn, eap.com.vn, yoso.edu.vn, kdeelectric.vn and hs360.vn.

thteducation.com shares some mail servers with other domains, at least partially; for instance nanova.vn, pntcshipping.com.vn, vccitsc.vn, inochivietnam.vn and matkinhlb.com.vn.

Host names with one IP number:

mail90138.maychuemail.com points to: 112.213.90.138

mx90138.maychuemail.net points to: 112.213.90.138

Names pointing to 112.213.90.138: mail90138.maychuemail.com and mx90138.maychuemail.net

thteducation.com - robtex.com