`dulich10rong.com`

DNSSEC	⚠️ Not signed
A	103.154.176.53^{🇻🇳 VISITEC-AS-VN103.154.176.0/23 VISITEC-VN Vinh Railway Signalling - Telecom Joint Stock Company}
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	`nsbak.dotvndns.com` ⚠️ 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`
TXT	`v=spf1ip4:125.212.245.220~all`
SOA	`ns1.dotvndns.vn`hostmaster@dulich10rong.com 2025-07-02 #10

`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=1778492951

Subdomains

mail.dulich10rong.com

Same first word

dulich10rong.com

DNS History

9 records (4 active, 5 former)

○NSdns15.fpt.vn2015-08-19 → 2017-02-05 · 4 obs

● 2015-08-19 06:07:14
● 2017-02-05 06:43:36
○ 2026-02-16 11:30:10
○ 2026-05-11 10:15:06

○NSdns16.fpt.vn2015-08-19 → 2017-02-05 · 4 obs

● 2015-08-19 06:07:14
● 2017-02-05 06:43:36
○ 2026-02-16 11:30:10
○ 2026-05-11 10:15:06

●NSns1.dotvndns.vn2026-02-16 → 2026-05-11 · 3 obs

○ 2017-02-05 06:43:36
● 2026-02-16 11:30:10
● 2026-05-11 10:15:06

●NSns2.dotvndns.vn2026-02-16 → 2026-05-11 · 3 obs

○ 2017-02-05 06:43:36
● 2026-02-16 11:30:10
● 2026-05-11 10:15:06

●NSnsbak.dotvndns.com2026-02-16 → 2026-05-11 · 3 obs

○ 2017-02-05 06:43:36
● 2026-02-16 11:30:10
● 2026-05-11 10:15:06

○MXmail.dulich10rong.com2015-08-19 → 2026-02-16 · 4 obs

● 2015-08-19 06:07:14
● 2026-02-16 11:30:10
○ 2026-02-19 14:32:28
○ 2026-05-11 10:15:06

●A103.154.176.532026-02-16 → 2026-05-11 · 3 obs

○ 2017-02-05 06:43:36
● 2026-02-16 11:30:10
● 2026-05-11 10:15:06

○A103.42.56.652015-08-19 → 2015-12-10 · 4 obs

● 2015-08-19 06:07:14
● 2015-12-10 08:35:44
○ 2016-03-28 00:40:58
○ 2026-05-11 10:15:06

○A125.212.245.2202016-03-28 → 2017-02-05 · 5 obs

○ 2015-12-10 08:35:44
● 2016-03-28 00:40:58
● 2017-02-05 06:43:36
○ 2026-02-16 11:30:10
○ 2026-05-11 10:15:06

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
dulich10rong.com	ns1.dotvndns.vn, ns2.dotvndns.vn	-

✅ Authoritative Response

Server:112.213.89.3

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for dulich10rong.com (unsigned zone)

⏱️ Timing

Total: 604ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`103.154.176.53`
NS	3	`nsbak.dotvndns.com, ns1.dotvndns.vn...`
TXT	1	`v=spf1ip4:125.212.245.220~all`
SOA	1	`ns1.dotvndns.vn hostmaster.dulich10rong.`

Analysis

Hierarchy

The parent of mail.dulich10rong.com is dulich10rong.com.

IP Addresses

dulich10rong.com points to a single IP address: 103.154.176.53.

Other host names such as namsonha.com.vn, mx.itcoffee.net, itcoffee.net and mail.itcoffee.net share IP numbers with dulich10rong.com.

Name Servers

dulich10rong.com is delegated to three name servers: nsbak.dotvndns.com, ns1.dotvndns.vn and ns2.dotvndns.vn.

dulich10rong.com at least partially shares name servers with other domains, for example bitechphar.com, acbleasing.com.vn, maylanhgiagoc.vn, doko.vn and appleschool.edu.vn.

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

dulich10rong.com - robtex.com