`congtydichvu.com`

DNSSEC	⚠️ Not signed
A	144.217.47.71^{🇨🇦 OVH144.217.0.0/16 Hosting route}
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`
SOA	`nsbak.dotvndns.com`hostmaster@congtydichvu.com 2025-12-11 #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=1777051416

Same first word

congtydichvu.com

Similar names

dichvucongty.com

DNS History

9 records (4 active, 5 former)

○NSns03.domaincontrol.com2015-08-16 → 2016-03-21 · 4 obs

● 2015-08-16 16:11:48
● 2016-03-21 13:00:18
○ 2016-07-19 15:26:38
○ 2026-04-24 17:27:38

○NSns04.domaincontrol.com2015-08-16 → 2016-03-21 · 4 obs

● 2015-08-16 16:11:48
● 2016-03-21 13:00:18
○ 2016-07-19 15:26:38
○ 2026-04-24 17:27:38

●NSns1.dotvndns.vn2017-03-26 → 2026-04-24 · 3 obs

○ 2016-07-19 15:26:38
● 2017-03-26 00:49:22
● 2026-04-24 17:27:38

●NSns2.dotvndns.vn2017-03-26 → 2026-04-24 · 3 obs

○ 2016-07-19 15:26:38
● 2017-03-26 00:49:22
● 2026-04-24 17:27:38

●NSnsbak.dotvndns.com2017-03-26 → 2026-04-24 · 3 obs

○ 2016-07-19 15:26:38
● 2017-03-26 00:49:22
● 2026-04-24 17:27:38

○MXmailstore1.secureserver.net2015-08-16 → 2016-03-21 · 4 obs

● 2015-08-16 16:11:48
● 2016-03-21 13:00:18
○ 2016-07-19 15:26:38
○ 2026-04-24 17:27:38

○MXsmtp.secureserver.net2015-08-16 → 2016-03-21 · 4 obs

● 2015-08-16 16:11:48
● 2016-03-21 13:00:18
○ 2016-07-19 15:26:38
○ 2026-04-24 17:27:38

○A112.78.3.132015-08-16 → 2016-03-21 · 4 obs

● 2015-08-16 16:11:48
● 2016-03-21 13:00:18
○ 2016-07-19 15:26:38
○ 2026-04-24 17:27:38

●A144.217.47.712017-03-26 → 2026-04-24 · 3 obs

○ 2016-07-19 15:26:38
● 2017-03-26 00:49:22
● 2026-04-24 17:27:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, d.gtld-servers.net, b.gtld-servers.net, l.gtld-servers.net...	-
congtydichvu.com	nsbak.dotvndns.com, ns1.dotvndns.vn, ns2.dotvndns.vn	2 records

✅ 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 congtydichvu.com (unsigned zone)

⏱️ Timing

Total: 1410ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`144.217.47.71`
NS	3	`nsbak.dotvndns.com, ns1.dotvndns.vn...`
SOA	1	`nsbak.dotvndns.com hostmaster.congtydich`

📌 Glue Records Collected

Total: 2

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

Analysis

IP Addresses

congtydichvu.com points to a single IP number: 144.217.47.71.

Other host names, for instance ip71.ip-144-217-47.net, share IP numbers with congtydichvu.com.

Name Servers

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

congtydichvu.com shares name servers with other domains at least partially, for instance hanhlamnhien.com, dongduocphuchung.com.vn, anhbasaigon.com, hdtgroup.vn and ddau.com.vn.

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

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

congtydichvu.com - robtex.com