tueducschool.com - robtex.com
tueducschool.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 198.252.98.38🇺🇸 AS20068198.252.98.0/23 100 Consilium Place Suite 200 Scarborough ON M1H 3E3 Canada | ||||||
| PTR | 38.98.252.198.static.reverse.arandomserver.com | ||||||
| NS | nsbak.dotvndns.com ⭐ | ||||||
| A | 2406:9c80::9000:302🇻🇳 SUPERDATA2406:9c80::/48 -VN | ||||||
| PTR | nsbak.dotvndns.com | ||||||
| A | 112.213.89.22🇻🇳 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 | ns8922.dotvndns.vn | ||||||
| NS | ns1.dotvndns.vn | ||||||
| A | 2406:9c80::66🇻🇳 SUPERDATA2406:9c80::/48 -VN | ||||||
| PTR | ns1.dotvndns.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.dotvndns.vn | ||||||
| A | 2406:9c80::9000:111🇻🇳 SUPERDATA2406:9c80::/48 -VN | ||||||
| PTR | ns2.dotvndns.vn | ||||||
| A | 222.255.121.247🇻🇳 VDC222.255.121.0/24 VNPT | ||||||
| PTR | static.vdc.vn | ||||||
| PTR | static.vnpt.vn | ||||||
| NS | nsbak.dotvndns.vn | ||||||
| A | 2406:9c80::9000:302🇻🇳 SUPERDATA2406:9c80::/48 -VN | ||||||
| PTR | nsbak.dotvndns.com | ||||||
| A | 112.213.89.22🇻🇳 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 | ns8922.dotvndns.vn | ||||||
| MX | mr.dotvndns.vn ⭐ | ||||||
| A | 222.255.121.227🇻🇳 VDC222.255.121.0/24 VNPT | ||||||
| PTR | mailserver5.pavietnam.net | ||||||
| PTR | mr.dotvndns.vn | ||||||
| PTR | mailserver5.pavietnam.vn | ||||||
| PTR | mr.pavietnam.vn | ||||||
| SOA | nsbak.dotvndns.comhostmaster@tueducschool.com 2026-03-26 #16 | ||||||
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.netnstld@verisign-grs.com serial=1775970182 | ||||||
Subdomains
www.tueducschool.com |
Same first word
tueducschool.com |
DNS History
6 records (6 active, 0 former)
●NSns1.dotvndns.vn2026-04-07 → 2026-04-12 · 2 obs
● 2026-04-12 05:05:36
●NSns2.dotvndns.vn2026-04-07 → 2026-04-12 · 2 obs
● 2026-04-12 05:05:36
●NSnsbak.dotvndns.com2026-04-07 → 2026-04-12 · 2 obs
● 2026-04-12 05:05:36
●NSnsbak.dotvndns.vn2026-04-07 → 2026-04-12 · 2 obs
● 2026-04-12 05:05:36
●MXmr.dotvndns.vn2026-04-07 → 2026-04-12 · 2 obs
● 2026-04-12 05:05:36
●A198.252.98.382026-04-07 → 2026-04-12 · 2 obs
● 2026-04-12 05:05:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| tueducschool.com | nsbak.dotvndns.com, nsbak.dotvndns.vn, ns1.dotvndns.vn, ns2.dotvndns.vn | 2 records |
✅ Authoritative Response
Server:112.213.89.22
NS records: nsbak.dotvndns.com, nsbak.dotvndns.vn, ns1.dotvndns.vn, ns2.dotvndns.vn
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for tueducschool.com (unsigned zone)
⏱️ Timing
Total: 1449ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 198.252.98.38 |
| NS | 4 | ns1.dotvndns.vn, ns2.dotvndns.vn... |
| MX | 1 | mr.dotvndns.vn (pri: 10) |
| SOA | 1 | nsbak.dotvndns.com hostmaster.tueducscho |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (nsbak.dotvndns.com, nsbak.dotvndns.com)
Analysis
Hierarchy
tueducschool.com is the parent of www.tueducschool.com.
IP Addresses
tueducschool.com resolves to one IP number: 198.252.98.38.
other host names including _dc-mx.4a031a6bd69d.kd9eliteshoes.com, www.tueducschool.com, ameliadevina.com, _dc-mx.f5e9a94c3ae3.dannyyen.com and _dc-mx.411b11f47152.meirihaowen.com share IP numbers with tueducschool.com.
Name Servers
tueducschool.com is delegated to four name servers: nsbak.dotvndns.com, ns1.dotvndns.vn, ns2.dotvndns.vn and nsbak.dotvndns.vn.
tueducschool.com at least partially shares name servers with other domains, for instance ddau.vn, phutunghoanggia.vn, vitinhtinnhan.com, vietasiatravel.net and viduco.com.
These name servers are commonly used with ns1.pavietnam.vn, ns2.pavietnam.vn, ns3.dotvndns.vn, nsbak.pavietnam.net and dnsbak.dotvndns.vn.
Host names with two IPs
Host name nsbak.dotvndns.com points to 2406:9c80::9000:302 and 112.213.89.22.
Host name ns1.dotvndns.vn points to 2406:9c80::66 and 112.213.89.3.
Host name ns2.dotvndns.vn points to 2406:9c80::9000:111 and 222.255.121.247.
Host name nsbak.dotvndns.vn points to 2406:9c80::9000:302 and 112.213.89.22.
Host names that point to 2406:9c80::9000:302: nsbak.dotvndns.com and nsbak.dotvndns.vn.
Host names that point to 112.213.89.22: nsbak.dotvndns.com and nsbak.dotvndns.vn.
Mail Servers
tueducschool.com is handled by a single mail server, mr.dotvndns.vn.
tueducschool.com shares the same mail server setup as other domains, for instance dienthoaigiakho.com, giacongsat.com, khonggianviet.us, vncoder.vn and bepdientu.vn.
tueducschool.com shares some mail servers with other domains, at least partially, for instance benhvien115.vn, nanomax.com.vn, kgroup.com.vn, vietrro.org.vn and khaidat.com.vn.
these mail servers are often used together with mx2.zoho.com, mx3.zoho.com, mx.zoho.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.
mr.dotvndns.vn resolves to IP 222.255.121.227.