`sieuthithietbidien.net`

DNSSEC	⚠️ Not signed
A	115.79.139.135^{🇻🇳 VIETEL-AS-AP115.79.136.0/21 Proxy-registered route object}
NS	`nsbak.pavietnam.net` ⭐
		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.pavietnam.vn`
		A	2406:9c80::66^{🇻🇳 SUPERDATA2406:9c80::/48 -VN}
			PTR	`ns1.dotvndns.vn`
NS	`ns2.pavietnam.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`
MX	`mail.sieuthithietbidien.net` ⭐
		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`
TXT	`v=spf1 a mx ~all`
SOA	`nsbak.pavietnam.net`hostmaster@sieuthithietbidien.net 2025-12-07 #19

`net`

	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=1778473206

Subdomains

mail.sieuthithietbidien.net

Same first word

sieuthithietbidien.net

DNS History

6 records (5 active, 1 former)

●NSns1.pavietnam.vn2016-01-26 → 2026-05-11 · 2 obs

● 2016-01-26 21:26:22
● 2026-05-11 04:25:32

●NSns2.pavietnam.vn2016-01-26 → 2026-05-11 · 2 obs

● 2016-01-26 21:26:22
● 2026-05-11 04:25:32

●NSnsbak.pavietnam.net2026-02-15 → 2026-05-11 · 3 obs

○ 2016-01-26 21:26:22
● 2026-02-15 22:05:58
● 2026-05-11 04:25:32

●MXmail.sieuthithietbidien.net2016-01-26 → 2026-05-11 · 2 obs

● 2016-01-26 21:26:22
● 2026-05-11 04:25:32

○A112.213.89.32016-01-26 → 2017-11-08 · 4 obs

● 2016-01-26 21:26:22
● 2017-11-08 18:40:58
○ 2026-02-15 22:05:58
○ 2026-05-11 04:25:32

●A115.79.139.1352026-02-15 → 2026-05-11 · 3 obs

○ 2017-11-08 18:40:58
● 2026-02-15 22:05:58
● 2026-05-11 04:25:32

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	m.gtld-servers.net, k.gtld-servers.net, b.gtld-servers.net, f.gtld-servers.net...	-
sieuthithietbidien.net	nsbak.pavietnam.net, ns1.pavietnam.vn, ns2.pavietnam.vn	2 records

✅ Authoritative Response

Server:112.213.89.3

NS records: nsbak.pavietnam.net, ns1.pavietnam.vn, ns2.pavietnam.vn

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sieuthithietbidien.net (unsigned zone)

⏱️ Timing

Total: 777ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`115.79.139.135`
NS	3	`ns2.pavietnam.vn, ns1.pavietnam.vn...`
MX	1	`mail.sieuthithietbidien.net (pri: 10)`
TXT	1	`v=spf1 a mx ~all`
SOA	1	`nsbak.pavietnam.net hostmaster.sieuthith`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (nsbak.pavietnam.net, nsbak.pavietnam.net)

Analysis

Hierarchy

sieuthithietbidien.net is the parent of mail.sieuthithietbidien.net.

IP Addresses

sieuthithietbidien.net resolves to one IP number: 115.79.139.135.

other host names including ns4.keytech.vn, 30giay.com.vn, xoasis.com.sieuthinhadat.com, sieuthitaigia.com and ngoinhadep.net share IP numbers with sieuthithietbidien.net.

Name Servers

sieuthithietbidien.net is delegated to three name servers nsbak.pavietnam.net, ns1.pavietnam.vn and ns2.pavietnam.vn.

sieuthithietbidien.net at least partially shares name servers with other domains, for instance sgnlogistics.com, kientrung.com.vn, tnagroup.net, isb-vietnam.com.vn and ungthubachmai.com.vn.

These name servers are commonly used alongside ns1.dotvndns.vn, nsbak.dotvndns.com, ns2.dotvndns.vn, nsbak.pavietnam.vn, dnsbak.pavietnam.vn and ns3.dotvndns.vn.

Hosts with two IP numbers:

nsbak.pavietnam.net points to: 2406:9c80::9000:302 and 112.213.89.22.

ns2.pavietnam.vn points to: 2406:9c80::9000:111 and 222.255.121.247.

Hosts with one IP number:

ns1.pavietnam.vn points to: 2406:9c80::66.

Mail Servers

sieuthithietbidien.net is handled by a single mail server, mail.sieuthithietbidien.net.

mail.sieuthithietbidien.net resolves to IP 112.213.89.3.

sieuthithietbidien.net - robtex.com