`thamtumiennam.com`

DNSSEC	⚠️ Not signed
A	112.213.88.75^{🇻🇳 SUPERDATA112.213.88.0/24 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	`vps.saigonads.com`
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	`ns3.dotvndns.vn` ⚠️ Not in zone NS records
		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	`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.thamtumiennam.com` ⭐
		A	112.213.88.75^{🇻🇳 SUPERDATA112.213.88.0/24 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	`vps.saigonads.com`
TXT	`v=spf1 a mx ~all`
SOA	`ns1.dotvndns.vn`hostmaster@thamtumiennam.com 2025-12-19 #2

`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=1776073312

Subdomains

mail.thamtumiennam.com

Same first word

thamtumiennam.com

DNS History

15 records (6 active, 9 former)

○NSandy.ns.cloudflare.com2020-01-12 → 2020-01-12 · 4 obs

○ 2017-03-22 12:06:30
● 2020-01-12 15:57:22
○ 2026-03-11 13:08:06
○ 2026-04-13 10:12:16

●NSns1.dotvndns.vn2026-03-11 → 2026-04-13 · 3 obs

○ 2020-01-12 15:57:22
● 2026-03-11 13:08:06
● 2026-04-13 10:12:16

○NSns1.matbao.com2015-06-25 → 2017-03-22 · 4 obs

● 2015-06-25 16:53:02
● 2017-03-22 12:06:30
○ 2020-01-12 15:57:22
○ 2026-04-13 10:12:16

●NSns2.dotvndns.vn2026-03-11 → 2026-04-13 · 3 obs

○ 2020-01-12 15:57:22
● 2026-03-11 13:08:06
● 2026-04-13 10:12:16

○NSns2.matbao.com2015-06-25 → 2017-03-22 · 4 obs

● 2015-06-25 16:53:02
● 2017-03-22 12:06:30
○ 2020-01-12 15:57:22
○ 2026-04-13 10:12:16

●NSns3.dotvndns.vn2026-03-11 → 2026-04-13 · 3 obs

○ 2020-01-12 15:57:22
● 2026-03-11 13:08:06
● 2026-04-13 10:12:16

●NSnsbak.dotvndns.com2026-03-11 → 2026-04-13 · 3 obs

○ 2020-01-12 15:57:22
● 2026-03-11 13:08:06
● 2026-04-13 10:12:16

○NSvida.ns.cloudflare.com2020-01-12 → 2020-01-12 · 4 obs

○ 2017-03-22 12:06:30
● 2020-01-12 15:57:22
○ 2026-03-11 13:08:06
○ 2026-04-13 10:12:16

●MXmail.thamtumiennam.com2015-06-25 → 2026-04-13 · 5 obs

● 2015-06-25 16:53:02
● 2017-03-22 12:06:30
○ 2020-01-12 15:57:22
● 2026-03-11 13:08:06
● 2026-04-13 10:12:16

○A104.18.58.312020-01-12 → 2020-01-12 · 4 obs

○ 2017-03-22 12:06:30
● 2020-01-12 15:57:22
○ 2026-03-11 13:08:06
○ 2026-04-13 10:12:16

○A104.18.59.312020-01-12 → 2020-01-12 · 4 obs

○ 2017-03-22 12:06:30
● 2020-01-12 15:57:22
○ 2026-03-11 13:08:06
○ 2026-04-13 10:12:16

●A112.213.88.752026-03-11 → 2026-04-13 · 3 obs

○ 2020-01-12 15:57:22
● 2026-03-11 13:08:06
● 2026-04-13 10:12:16

○A128.199.161.2202015-06-25 → 2017-03-22 · 4 obs

● 2015-06-25 16:53:02
● 2017-03-22 12:06:30
○ 2020-01-12 15:57:22
○ 2026-04-13 10:12:16

○A2606:4700:30::6812:3a1f2020-01-12 → 2020-01-12 · 4 obs

○ 2017-03-22 12:06:30
● 2020-01-12 15:57:22
○ 2026-03-11 13:08:06
○ 2026-04-13 10:12:16

○A2606:4700:30::6812:3b1f2020-01-12 → 2020-01-12 · 4 obs

○ 2017-03-22 12:06:30
● 2020-01-12 15:57:22
○ 2026-03-11 13:08:06
○ 2026-04-13 10:12:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	j.gtld-servers.net, f.gtld-servers.net, a.gtld-servers.net, d.gtld-servers.net...	-
thamtumiennam.com	nsbak.dotvndns.com, ns1.dotvndns.vn, ns2.dotvndns.vn, ns3.dotvndns.vn	2 records

✅ Authoritative Response

Server:112.213.89.22

NS records: nsbak.dotvndns.com, ns1.dotvndns.vn, ns2.dotvndns.vn, ns3.dotvndns.vn

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for thamtumiennam.com (unsigned zone)

⏱️ Timing

Total: 1538ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`112.213.88.75`
NS	2	`ns2.dotvndns.vn, ns1.dotvndns.vn`
MX	1	`mail.thamtumiennam.com (pri: 10)`
TXT	1	`v=spf1 a mx ~all`
SOA	1	`ns1.dotvndns.vn hostmaster.thamtumiennam`

📌 Glue Records Collected

Total: 2

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

Analysis

Hierarchy

The parent of mail.thamtumiennam.com is thamtumiennam.com.

IP Addresses

thamtumiennam.com points to a single IP: 112.213.88.75.

Other host names, for instance saigonweb.com.vn, mail.ongbobimsua.com, mail.tamlanglamen.com, tamlanglamen.com and duoclieubamien.com share IP numbers with thamtumiennam.com.

Name Servers

thamtumiennam.com's delegation is handled by four name servers: nsbak.dotvndns.com, ns1.dotvndns.vn, ns2.dotvndns.vn and ns3.dotvndns.vn.

thamtumiennam.com partially shares name servers with other domains; examples include gobachviet.vn, 103.vn, vantuong.vn, daiphatatt.com and daydeothe.vn.