`consultant-dtc.com`

DNSSEC	⚠️ Not signed
A	103.75.184.21^{🇻🇳 VNPT-AS-VN103.75.184.0/22 Inet software one member company limited INETSOFT-VN}
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^{🇻🇳 VDC222.255.121.0/24 VNPT}
			PTR	`static.vdc.vn`
			PTR	`static.vnpt.vn`
MX	`consultantdtc-com02e.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:cc09::^{🇸🇬 Microsoft2a01:111:f000::/36}
			PTR	`mail-sg2pr03cu00500.inbound.protection.outlook.com`
		A	2a01:111:f403:cc1a::8^{🇯🇵 Microsoft2a01:111:f000::/36}
			PTR	`mail-tydpr03cu00100.inbound.protection.outlook.com`
		A	2a01:111:f403:cc1f::4^{🇯🇵 Microsoft2a01:111:f000::/36}
			PTR	`mail-os8pr02cu00104.inbound.protection.outlook.com`
		A	52.101.124.117^{🇯🇵 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-tydpr03cu00105.inbound.protection.outlook.com`
		A	52.101.137.0^{🇸🇬 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sg2pr03cu00500.inbound.protection.outlook.com`
		A	52.101.157.80^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-os8pr02cu00100.inbound.protection.outlook.com`
TXT	`MS=ms96537768`
TXT	`v=spf1 include:_spf.google.com include:amazonses.com include:spf.protection.o...`
SOA	`nsbak.dotvndns.com`hostmaster@consultant-dtc.com 2026-04-22 #36

`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=1778332861

Same first word

consultant-dtc.com

Similar names

dtc-consultant.com

DNS History

15 records (5 active, 10 former)

●NSns1.dotvndns.vn2026-05-01 → 2026-05-09 · 3 obs

○ 2018-10-19 07:21:16
● 2026-05-01 16:58:30
● 2026-05-09 13:44:00

○NSns1.matbao.com2016-12-14 → 2018-10-19 · 4 obs

● 2016-12-14 13:05:20
● 2018-10-19 07:21:16
○ 2026-05-01 16:58:30
○ 2026-05-09 13:44:00

●NSns2.dotvndns.vn2026-05-01 → 2026-05-09 · 3 obs

○ 2018-10-19 07:21:16
● 2026-05-01 16:58:30
● 2026-05-09 13:44:00

○NSns2.matbao.com2016-12-14 → 2018-10-19 · 4 obs

● 2016-12-14 13:05:20
● 2018-10-19 07:21:16
○ 2026-05-01 16:58:30
○ 2026-05-09 13:44:00

●NSnsbak.dotvndns.com2026-05-01 → 2026-05-09 · 3 obs

○ 2018-10-19 07:21:16
● 2026-05-01 16:58:30
● 2026-05-09 13:44:00

○MXalt1.aspmx.l.google.com2018-10-19 → 2018-10-19 · 4 obs

○ 2016-12-14 13:05:20
● 2018-10-19 07:21:16
○ 2026-05-01 16:58:30
○ 2026-05-09 13:44:00

○MXalt2.aspmx.l.google.com2018-10-19 → 2018-10-19 · 4 obs

○ 2016-12-14 13:05:20
● 2018-10-19 07:21:16
○ 2026-05-01 16:58:30
○ 2026-05-09 13:44:00

○MXalt3.aspmx.l.google.com2018-10-19 → 2018-10-19 · 4 obs

○ 2016-12-14 13:05:20
● 2018-10-19 07:21:16
○ 2026-05-01 16:58:30
○ 2026-05-09 13:44:00

○MXalt4.aspmx.l.google.com2018-10-19 → 2018-10-19 · 4 obs

○ 2016-12-14 13:05:20
● 2018-10-19 07:21:16
○ 2026-05-01 16:58:30
○ 2026-05-09 13:44:00

○MXaspmx.l.google.com2018-10-19 → 2018-10-19 · 4 obs

○ 2016-12-14 13:05:20
● 2018-10-19 07:21:16
○ 2026-05-01 16:58:30
○ 2026-05-09 13:44:00

●MXconsultantdtc-com02e.mail.protection.outlook.com2026-05-01 → 2026-05-09 · 3 obs

○ 2018-10-19 07:21:16
● 2026-05-01 16:58:30
● 2026-05-09 13:44:00

○MXmail.consultant-dtc.com2016-12-14 → 2016-12-14 · 3 obs

● 2016-12-14 13:05:20
○ 2018-10-19 07:21:16
○ 2026-05-09 13:44:00

●A103.75.184.212026-05-01 → 2026-05-09 · 3 obs

○ 2018-10-19 07:21:16
● 2026-05-01 16:58:30
● 2026-05-09 13:44:00

○A198.252.101.1592018-10-19 → 2018-10-19 · 4 obs

○ 2016-12-14 13:05:20
● 2018-10-19 07:21:16
○ 2026-05-01 16:58:30
○ 2026-05-09 13:44:00

○A198.252.99.1722016-12-14 → 2016-12-14 · 3 obs

● 2016-12-14 13:05:20
○ 2018-10-19 07:21:16
○ 2026-05-09 13:44:00

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	c.gtld-servers.net, h.gtld-servers.net, k.gtld-servers.net, f.gtld-servers.net...	-
consultant-dtc.com	nsbak.dotvndns.com, ns1.dotvndns.vn, ns2.dotvndns.vn	2 records

✅ Authoritative Response

Server:222.255.121.247

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for consultant-dtc.com (unsigned zone)

⏱️ Timing

Total: 1812ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`103.75.184.21`
NS	3	`ns1.dotvndns.vn, ns2.dotvndns.vn...`
MX	1	`consultantdtc-com02e.mail.protection.out`
TXT	2	`MS=ms96537768, v=spf1 include:_spf.google.com include:a`
SOA	1	`nsbak.dotvndns.com hostmaster.consultant`

📌 Glue Records Collected

Total: 2

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

Analysis

IP Addresses

consultant-dtc.com resolves to one IP number: 103.75.184.21.

other host names including tkh.com.vn, vc.v.edu.vn, ktira.vn, offers.vn and autodiscover.opusland.com.vn share IP numbers with consultant-dtc.com.

Name Servers

consultant-dtc.com is delegated to three name servers nsbak.dotvndns.com, ns1.dotvndns.vn and ns2.dotvndns.vn.

consultant-dtc.com at least partially shares name servers with other domains, for instance ivylink.vn, aisco.vn, klaus-refrigeration.com, vina-link.com.vn and wannahang.vn.