`hitachi-service.com`

DNSSEC	⚠️ Not signed
A	103.200.23.149^{🇻🇳 VNPT-AS-VN103.200.23.0/24 VNPT-NET}
		PTR	`host149.vietnix.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`
NS	`ns3.dotvndns.vn`
		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.hitachi-service.com` ⭐
		A	45.63.96.156^{🇬🇧 AS-VULTR45.63.96.0/21 Vultr Assigned Prefix}
			PTR	`45.63.96.156.vultrusercontent.com`
TXT	`v=spf1 a mx ~all`
SOA	`nsbak.dotvndns.com`hostmaster@hitachi-service.com 2025-09-06 #9

`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=1778690331

Subdomains

mail.hitachi-service.com

Same first word

hitachi-service.com

Similar names

service-hitachi.com

DNS History

13 records (6 active, 7 former)

●NSns1.dotvndns.vn2026-04-01 → 2026-05-13 · 3 obs

○ 2017-04-21 07:18:38
● 2026-04-01 02:15:40
● 2026-05-13 16:57:56

○NSns1.myhostadmin.net2016-09-15 → 2017-04-21 · 4 obs

● 2016-09-15 03:05:02
● 2017-04-21 07:18:38
○ 2026-04-01 02:15:40
○ 2026-05-13 16:57:56

●NSns2.dotvndns.vn2026-04-01 → 2026-05-13 · 3 obs

○ 2017-04-21 07:18:38
● 2026-04-01 02:15:40
● 2026-05-13 16:57:56

○NSns2.myhostadmin.net2016-09-15 → 2017-04-21 · 4 obs

● 2016-09-15 03:05:02
● 2017-04-21 07:18:38
○ 2026-04-01 02:15:40
○ 2026-05-13 16:57:56

●NSns3.dotvndns.vn2026-04-01 → 2026-05-13 · 3 obs

○ 2017-04-21 07:18:38
● 2026-04-01 02:15:40
● 2026-05-13 16:57:56

○NSns3.myhostadmin.net2016-09-15 → 2017-04-21 · 4 obs

● 2016-09-15 03:05:02
● 2017-04-21 07:18:38
○ 2026-04-01 02:15:40
○ 2026-05-13 16:57:56

○NSns4.myhostadmin.net2016-09-15 → 2017-04-21 · 4 obs

● 2016-09-15 03:05:02
● 2017-04-21 07:18:38
○ 2026-04-01 02:15:40
○ 2026-05-13 16:57:56

○NSns5.myhostadmin.net2016-09-15 → 2017-04-21 · 4 obs

● 2016-09-15 03:05:02
● 2017-04-21 07:18:38
○ 2026-04-01 02:15:40
○ 2026-05-13 16:57:56

○NSns6.myhostadmin.net2016-09-15 → 2017-04-21 · 4 obs

● 2016-09-15 03:05:02
● 2017-04-21 07:18:38
○ 2026-04-01 02:15:40
○ 2026-05-13 16:57:56

●NSnsbak.dotvndns.com2026-04-01 → 2026-05-13 · 3 obs

○ 2017-04-21 07:18:38
● 2026-04-01 02:15:40
● 2026-05-13 16:57:56

●MXmail.hitachi-service.com2026-04-01 → 2026-05-13 · 2 obs

● 2026-04-01 02:15:40
● 2026-05-13 16:57:56

●A103.200.23.1492026-04-01 → 2026-05-13 · 3 obs

○ 2017-04-21 07:18:38
● 2026-04-01 02:15:40
● 2026-05-13 16:57:56

○A119.42.150.22016-09-15 → 2017-04-21 · 4 obs

● 2016-09-15 03:05:02
● 2017-04-21 07:18:38
○ 2026-04-01 02:15:40
○ 2026-05-13 16:57:56

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
hitachi-service.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 hitachi-service.com (unsigned zone)

⏱️ Timing

Total: 4885ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`103.200.23.149`
NS	4	`ns3.dotvndns.vn, ns2.dotvndns.vn...`
MX	1	`mail.hitachi-service.com (pri: 10)`
TXT	1	`v=spf1 a mx ~all`
SOA	1	`nsbak.dotvndns.com hostmaster.hitachi-se`

📌 Glue Records Collected

Total: 2

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

Analysis

Hierarchy

hitachi-service.com is the parent of mail.hitachi-service.com.

IP Addresses

hitachi-service.com resolves to a single IP address: 103.200.23.149.

Other host names including mayphacaphequasudung.com.vn, ads24h.vn, yjjjscpcalendars.sankid.vn, dientuht.vn and atcmachinery.com share IP numbers with hitachi-service.com.

Name Servers

hitachi-service.com is delegated to four name servers: nsbak.dotvndns.com, ns1.dotvndns.vn, ns2.dotvndns.vn and ns3.dotvndns.vn.

hitachi-service.com at least partially shares name servers with other domains, including vietip.net, ht3vn.com, techphone.com.vn, binhdinhtourist.vn and muabantructuyen24h.com.

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

Host names with two IPs:

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

Host names with one IP:

ns3.dotvndns.vn points to 112.213.89.22

Host names that point to 112.213.89.22: nsbak.dotvndns.com and ns3.dotvndns.vn

Mail Servers

hitachi-service.com is handled by a single mail server, mail.hitachi-service.com.

mail.hitachi-service.com points to a single IP: 45.63.96.156.

hitachi-service.com - robtex.com