`fastworldtech.com`

DNSSEC	⚠️ Not signed
A	167.172.115.176^{🇺🇸 DIGITALOCEAN167.172.112.0/20 DigitalOcean}
NS	`nsbak.pavietnam.net` ⭐ ⚠️ Not in parent delegation
		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` ⚠️ Not in zone NS records
		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	`ns1.pavietnam.vn` ⚠️ Not in parent delegation
		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` ⚠️ Not in zone NS records
		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	`ns2.pavietnam.vn` ⚠️ Not in parent delegation
		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.com` ⚠️ Not in zone NS records
		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	`mail.fastworldtech.com` ⭐
TXT	`v=spf1 a mx ~all`
SOA	`nsbak.pavietnam.net`hostmaster@fastworldtech.com 2025-12-11 #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=1777791761

Same first word

fastworldtech.com

DNS History

8 records (8 active, 0 former)

●NSns1.dotvndns.vn2026-05-01 → 2026-05-03 · 2 obs

● 2026-05-01 00:35:34
● 2026-05-03 07:30:26

●NSns1.pavietnam.vn2026-05-01 → 2026-05-03 · 2 obs

● 2026-05-01 00:35:34
● 2026-05-03 07:30:26

●NSns2.dotvndns.vn2026-05-01 → 2026-05-03 · 2 obs

● 2026-05-01 00:35:34
● 2026-05-03 07:30:26

●NSns2.pavietnam.vn2026-05-01 → 2026-05-03 · 2 obs

● 2026-05-01 00:35:34
● 2026-05-03 07:30:26

●NSnsbak.dotvndns.com2026-05-01 → 2026-05-03 · 2 obs

● 2026-05-01 00:35:34
● 2026-05-03 07:30:26

●NSnsbak.pavietnam.net2026-05-01 → 2026-05-03 · 2 obs

● 2026-05-01 00:35:34
● 2026-05-03 07:30:26

●MXmail.fastworldtech.com2026-05-01 → 2026-05-03 · 2 obs

● 2026-05-01 00:35:34
● 2026-05-03 07:30:26

●A167.172.115.1762026-05-01 → 2026-05-03 · 2 obs

● 2026-05-01 00:35:34
● 2026-05-03 07:30:26

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
fastworldtech.com	nsbak.dotvndns.com, ns1.dotvndns.vn, ns2.dotvndns.vn	2 records

✅ Authoritative Response

Server:112.213.89.3

NS records: nsbak.dotvndns.com, ns1.dotvndns.vn, ns2.dotvndns.vn

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for fastworldtech.com (unsigned zone)

⏱️ Timing

Total: 1712ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`167.172.115.176`
NS	3	`ns1.pavietnam.vn, ns2.pavietnam.vn...`
MX	1	`mail.fastworldtech.com (pri: 10)`
TXT	1	`v=spf1 a mx ~all`
SOA	1	`nsbak.pavietnam.net hostmaster.fastworld`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (nsbak.dotvndns.com, nsbak.dotvndns.com)

Analysis

IP Addresses

fastworldtech.com points to a single IP: 167.172.115.176.

Other host names, for example hostmaster.kan.edu.vn, mail.kan.edu.vn, www.kan.edu.vn and kan.edu.vn share IP numbers with fastworldtech.com.

Name Servers

fastworldtech.com is delegated to six name servers: nsbak.dotvndns.com, nsbak.pavietnam.net, ns1.dotvndns.vn, ns2.dotvndns.vn, ns1.pavietnam.vn and ns2.pavietnam.vn.

fastworldtech.com partially shares name servers with other domains; examples include metahall.com.vn, giakhanhmobile.com, haiduc.com.vn, hupuna.vn and kdtvanphuc.com.

These name servers are often used with the name servers ns3.dotvndns.vn and nsbak.pavietnam.vn.

Two IP numbers per host name:

Host name nsbak.dotvndns.com has addresses 2406:9c80::9000:302 and 112.213.89.22.

Host name nsbak.pavietnam.net has addresses 2406:9c80::9000:302 and 112.213.89.22.

Host name ns1.dotvndns.vn has addresses 2406:9c80::66 and 112.213.89.3.

Host name ns2.dotvndns.vn has addresses 2406:9c80::9000:111 and 222.255.121.247.

Host name ns1.pavietnam.vn has addresses 2406:9c80::66 and 112.213.89.3.

Host name ns2.pavietnam.vn has addresses 2406:9c80::9000:111 and 222.255.121.247.

Host names pointing to 2406:9c80::9000:302: nsbak.dotvndns.com and nsbak.pavietnam.net.

Host names pointing to 112.213.89.22: nsbak.dotvndns.com and nsbak.pavietnam.net.

Host names pointing to 2406:9c80::66: ns1.dotvndns.vn and ns1.pavietnam.vn.

Host names pointing to 112.213.89.3: ns1.dotvndns.vn and ns1.pavietnam.vn.

Host names pointing to 2406:9c80::9000:111: ns2.dotvndns.vn and ns2.pavietnam.vn.

Host names pointing to 222.255.121.247: ns2.dotvndns.vn and ns2.pavietnam.vn.

Mail Servers

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

fastworldtech.com - robtex.com