`thietkewebdanang.net`

DNSSEC	⚠️ Not signed
A	103.229.192.251^{🇻🇳 VIETNAMHOST-AS-VN103.229.192.0/22 CP Tinh Thong - CUSTOMER OF VIETTEL}
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^{🇻🇳 AS7643222.255.121.0/24 VNPT}
			PTR	`static.vdc.vn`
			PTR	`static.vnpt.vn`
SOA	`nsbak.dotvndns.com`hostmaster@thietkewebdanang.net 2026-01-21 #4

`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=1778467636

Subdomains

hostmaster.thietkewebdanang.net

bbs.thietkewebdanang.net

smtp.thietkewebdanang.net

mail.thietkewebdanang.net

office.thietkewebdanang.net

Same first word

thietkewebdanang.vn

thietkewebdanang.com.vn

thietkewebdanang.com

DNS History

11 records (4 active, 7 former)

●NSns1.dotvndns.vn2015-08-11 → 2026-05-11 · 2 obs

● 2015-08-11 01:47:34
● 2026-05-11 02:48:32

●NSns2.dotvndns.vn2015-08-11 → 2026-05-11 · 2 obs

● 2015-08-11 01:47:34
● 2026-05-11 02:48:32

●NSnsbak.dotvndns.com2026-05-11 → 2026-05-11 · 3 obs

○ 2015-08-11 01:47:34
● 2026-05-11 02:48:30
● 2026-05-11 02:48:32

○MXalt1.aspmx.l.google.com2015-08-11 → 2020-03-18 · 4 obs

● 2015-08-11 01:47:34
● 2020-03-18 17:35:42
○ 2026-05-11 02:48:30
○ 2026-05-11 02:48:32

○MXalt2.aspmx.l.google.com2015-08-11 → 2020-03-18 · 4 obs

● 2015-08-11 01:47:34
● 2020-03-18 17:35:42
○ 2026-05-11 02:48:30
○ 2026-05-11 02:48:32

○MXaspmx.l.google.com2015-08-11 → 2020-03-18 · 4 obs

● 2015-08-11 01:47:34
● 2020-03-18 17:35:42
○ 2026-05-11 02:48:30
○ 2026-05-11 02:48:32

○MXaspmx2.googlemail.com2015-08-11 → 2020-03-18 · 4 obs

● 2015-08-11 01:47:34
● 2020-03-18 17:35:42
○ 2026-05-11 02:48:30
○ 2026-05-11 02:48:32

○MXaspmx3.googlemail.com2015-08-11 → 2020-03-18 · 4 obs

● 2015-08-11 01:47:34
● 2020-03-18 17:35:42
○ 2026-05-11 02:48:30
○ 2026-05-11 02:48:32

○A103.1.208.2052016-07-02 → 2020-03-18 · 5 obs

○ 2016-03-03 10:55:24
● 2016-07-02 22:08:22
● 2020-03-18 17:35:42
○ 2026-05-11 02:48:30
○ 2026-05-11 02:48:32

●A103.229.192.2512026-05-11 → 2026-05-11 · 3 obs

○ 2020-03-18 17:35:42
● 2026-05-11 02:48:30
● 2026-05-11 02:48:32

○A118.139.170.12015-08-11 → 2016-03-03 · 4 obs

● 2015-08-11 01:47:34
● 2016-03-03 10:55:24
○ 2016-07-02 22:08:22
○ 2026-05-11 02:48:32

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	c.gtld-servers.net, h.gtld-servers.net, e.gtld-servers.net, l.gtld-servers.net...	-
thietkewebdanang.net	nsbak.dotvndns.com, ns1.dotvndns.vn, ns2.dotvndns.vn	-

✅ Authoritative Response

Server:112.213.89.22

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for thietkewebdanang.net (unsigned zone)

⏱️ Timing

Total: 2261ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`103.229.192.251`
NS	3	`ns2.dotvndns.vn, ns1.dotvndns.vn...`
SOA	1	`nsbak.dotvndns.com hostmaster.thietkeweb`

Analysis

Hierarchy

thietkewebdanang.net is a parent of hostmaster.thietkewebdanang.net, bbs.thietkewebdanang.net, smtp.thietkewebdanang.net, mail.thietkewebdanang.net and office.thietkewebdanang.net.

IP Addresses

thietkewebdanang.net points to a single IP number: 103.229.192.251.

Other host names, for instance volunteervietnam.net, ns.fsih.gov.vn, 2cc038b3-aaa2-4b78-86c6-7054d11761d5.fsih.gov.vn, wbsubdomain.a.bb.ccc.dddd.fsih.gov.vn and bbs.thietkewebdanang.net share IP numbers with thietkewebdanang.net.

Name Servers

The domain thietkewebdanang.net is delegated to three name servers: nsbak.dotvndns.com, ns1.dotvndns.vn and ns2.dotvndns.vn.

thietkewebdanang.net shares name servers with other domains at least partially, for instance fintek.vn, ansglaw.com, worldfreightforwarders.com, khoisk.com and petrosetco.com.

These name servers are commonly used with ns3.dotvndns.vn, ns1.pavietnam.vn, ns2.pavietnam.vn, ns4.dotvndns.vn, nsbak.pavietnam.net and dnsbak.pavietnam.vn.

Host names with two IP numbers:

nsbak.dotvndns.com points to 2406:9c80::9000:302 and 112.213.89.22

ns1.dotvndns.vn points to 2406:9c80::66 and 112.213.89.3

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

thietkewebdanang.net - robtex.com