`tanthanhsang.com`

DNSSEC	⚠️ Not signed
A	103.131.74.14^{🇻🇳 SUPERDATA103.131.74.0/24 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}
NS	`dnsbak.pavietnam.vn` ⭐
		A	222.255.121.247^{🇻🇳 VDC222.255.121.0/24 VNPT}
			PTR	`static.vdc.vn`
			PTR	`static.vnpt.vn`
NS	`ns1.pavietnam.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.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`
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}
NS	`nsbak.pavietnam.vn`
		A	2406:9c80::9000:302^{🇻🇳 SUPERDATA2406:9c80::/48 -VN}
			PTR	`nsbak.dotvndns.com`
		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`
MX	`mail.tanthanhsang.com` ⭐
		A	103.131.74.14^{🇻🇳 SUPERDATA103.131.74.0/24 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}
TXT	`google-site-verification=h2lgaI3mfzVYP-uHVLS8FLEzVOyxGX16q9ieTPOc4Io`
SOA	`dnsbak.pavietnam.vn`hostmaster@tanthanhsang.com 2024-03-09 #14

`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=1774423912

Subdomains

mail.tanthanhsang.com

Same first word

tanthanhsang.com

DNS History

8 records (7 active, 1 former)

●NSdnsbak.pavietnam.vn2015-12-25 → 2026-03-25 · 3 obs

○ 2015-10-21 12:27:48
● 2015-12-25 19:16:48
● 2026-03-25 07:43:34

●NSns1.pavietnam.vn2015-06-03 → 2026-03-25 · 5 obs

● 2015-06-03 01:26:58
● 2015-10-21 12:27:48
○ 2015-12-25 19:16:48
● 2017-06-30 18:39:36
● 2026-03-25 07:43:34

●NSns2.pavietnam.vn2015-06-03 → 2026-03-25 · 2 obs

● 2015-06-03 01:26:58
● 2026-03-25 07:43:34

●NSnsbak.pavietnam.net2026-03-07 → 2026-03-25 · 3 obs

○ 2017-06-30 18:39:36
● 2026-03-07 22:47:36
● 2026-03-25 07:43:34

●NSnsbak.pavietnam.vn2015-12-25 → 2026-03-25 · 3 obs

○ 2015-10-21 12:27:48
● 2015-12-25 19:16:48
● 2026-03-25 07:43:34

●MXmail.tanthanhsang.com2015-06-03 → 2026-03-25 · 2 obs

● 2015-06-03 01:26:58
● 2026-03-25 07:43:34

●A103.131.74.142026-03-07 → 2026-03-25 · 3 obs

○ 2017-06-30 18:39:36
● 2026-03-07 22:47:36
● 2026-03-25 07:43:34

○A125.253.125.672015-06-03 → 2017-06-30 · 4 obs

● 2015-06-03 01:26:58
● 2017-06-30 18:39:36
○ 2026-03-07 22:47:36
○ 2026-03-25 07:43:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
tanthanhsang.com	nsbak.pavietnam.net, ns1.pavietnam.vn, ns2.pavietnam.vn, nsbak.pavietnam.vn...	-

✅ Authoritative Response

Server:112.213.89.22

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for tanthanhsang.com (unsigned zone)

⏱️ Timing

Total: 1529ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`103.131.74.14`
NS	5	`nsbak.pavietnam.vn, ns1.pavietnam.vn...`
MX	1	`mail.tanthanhsang.com (pri: 10)`
TXT	1	`google-site-verification=h2lgaI3mfzVYP-u`
SOA	1	`dnsbak.pavietnam.vn hostmaster.tanthanhs`

Analysis

Hierarchy

tanthanhsang.com is parent of mail.tanthanhsang.com.

IP Addresses

tanthanhsang.com points to a single IP: 103.131.74.14.

Other host names, for instance ankhang-vn.com, mail.tanthanhsang.com, thuongmaitruongxua.vn, benhvienphusanhaiphong.vn and ancopottery.com share IP numbers with tanthanhsang.com.

Name Servers

tanthanhsang.com is delegated to five name servers: nsbak.pavietnam.net, dnsbak.pavietnam.vn, ns1.pavietnam.vn, ns2.pavietnam.vn and nsbak.pavietnam.vn.

tanthanhsang.com at least partially shares its name servers with other domains, for instance bachluat.vn, cosmostravelvietnam.com, cfas.vn, tekavn.com and biocity.vn.

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

Host names with two IP numbers: nsbak.pavietnam.net points to 2406:9c80::9000:302 and 112.213.89.22. ns1.pavietnam.vn points to 2406:9c80::66 and 112.213.89.3. ns2.pavietnam.vn points to 2406:9c80::9000:111 and 222.255.121.247. nsbak.pavietnam.vn points to 2406:9c80::9000:302 and 112.213.89.3.

Host names with one IP number: dnsbak.pavietnam.vn points to 222.255.121.247.

Host names that point to 2406:9c80::9000:302: nsbak.pavietnam.net and nsbak.pavietnam.vn. Host names that point to 112.213.89.3: ns1.pavietnam.vn and nsbak.pavietnam.vn. Host names that point to 222.255.121.247: ns2.pavietnam.vn and dnsbak.pavietnam.vn.

Mail Servers

tanthanhsang.com is served by a single mail server, mail.tanthanhsang.com.

mail.tanthanhsang.com points to IP number 103.131.74.14.

tanthanhsang.com - robtex.com