congtri.com - dns.ninja

`congtri.com`

DNSSEC	⚠️ Not signed
A	151.106.110.212^{🇺🇸 IIHOS001151.106.110.0/23}
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}
		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` ⚠️ Not in parent delegation
		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	`417af5759fe1f9b1a29f26589c34c674`
SOA	`nsbak.dotvndns.com`hostmaster@congtri.com 2026-01-20 #17

`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=1785412392

Same first word

congtri.com

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DNS History

18 records (5 active, 13 former)

●NSns1.dotvndns.vn2026-03-26 → 2026-07-30 · 3 obs

○ 2017-11-22 09:03:22
● 2026-03-26 11:59:40
● 2026-07-30 12:06:18

○NSns1.namebrightdns.com2015-06-19 → 2017-11-22 · 4 obs

● 2015-06-19 04:31:10
● 2017-11-22 09:03:22
○ 2026-03-26 11:59:40
○ 2026-07-30 12:06:18

●NSns2.dotvndns.vn2026-03-26 → 2026-07-30 · 3 obs

○ 2017-11-22 09:03:22
● 2026-03-26 11:59:40
● 2026-07-30 12:06:18

○NSns2.namebrightdns.com2015-06-19 → 2017-11-22 · 4 obs

● 2015-06-19 04:31:10
● 2017-11-22 09:03:22
○ 2026-03-26 11:59:40
○ 2026-07-30 12:06:18

●NSns3.dotvndns.vn2026-03-26 → 2026-07-30 · 3 obs

○ 2017-11-22 09:03:22
● 2026-03-26 11:59:40
● 2026-07-30 12:06:18

●NSnsbak.dotvndns.com2026-03-26 → 2026-07-30 · 3 obs

○ 2017-11-22 09:03:22
● 2026-03-26 11:59:40
● 2026-07-30 12:06:18

○MXanmail.namebrightmail.com2015-06-19 → 2015-06-19 · 3 obs

● 2015-06-19 04:31:10
○ 2015-11-02 23:44:14
○ 2026-07-30 12:06:18

●A151.106.110.2122026-03-26 → 2026-07-30 · 3 obs

○ 2017-11-22 09:03:22
● 2026-03-26 11:59:40
● 2026-07-30 12:06:18

○A52.200.243.1232016-04-20 → 2016-04-20 · 4 obs

○ 2016-01-22 12:59:04
● 2016-04-20 22:41:34
○ 2016-12-23 09:57:46
○ 2026-07-30 12:06:18

○A52.5.157.2202016-12-23 → 2016-12-23 · 4 obs

○ 2016-04-20 22:41:34
● 2016-12-23 09:57:46
○ 2017-11-22 09:03:22
○ 2026-07-30 12:06:18

○A52.70.121.2382016-12-23 → 2016-12-23 · 4 obs

○ 2016-04-20 22:41:34
● 2016-12-23 09:57:46
○ 2017-11-22 09:03:22
○ 2026-07-30 12:06:18

○A54.152.144.2432016-04-20 → 2016-04-20 · 4 obs

○ 2016-01-22 12:59:04
● 2016-04-20 22:41:34
○ 2016-12-23 09:57:46
○ 2026-07-30 12:06:18

○A54.174.31.2542015-06-19 → 2015-11-02 · 4 obs

● 2015-06-19 04:31:10
● 2015-11-02 23:44:14
○ 2016-01-22 12:59:04
○ 2026-07-30 12:06:18

○A54.208.74.2152015-06-19 → 2015-11-02 · 4 obs

● 2015-06-19 04:31:10
● 2015-11-02 23:44:14
○ 2016-01-22 12:59:04
○ 2026-07-30 12:06:18

○A54.209.90.812016-01-22 → 2016-01-22 · 4 obs

○ 2015-11-02 23:44:14
● 2016-01-22 12:59:04
○ 2016-04-20 22:41:34
○ 2026-07-30 12:06:18

○A54.85.54.292016-01-22 → 2016-01-22 · 4 obs

○ 2015-11-02 23:44:14
● 2016-01-22 12:59:04
○ 2016-04-20 22:41:34
○ 2026-07-30 12:06:18

○CNAMEhdredirect-lb-399551664.us-east-1.elb.amazonaws.com2015-06-19 → 2016-04-20 · 4 obs

● 2015-06-19 04:31:10
● 2016-04-20 22:41:34
○ 2016-12-23 09:57:46
○ 2026-07-30 12:06:18

○CNAMEhdredirect-lb3-890977680.us-east-1.elb.amazonaws.com2016-12-23 → 2017-11-22 · 5 obs

○ 2016-04-20 22:41:34
● 2016-12-23 09:57:46
● 2017-11-22 09:03:22
○ 2026-03-26 11:59:40
○ 2026-07-30 12:06:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	d.gtld-servers.net, k.gtld-servers.net, g.gtld-servers.net, e.gtld-servers.net...	-
congtri.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 congtri.com (unsigned zone)

⏱️ Timing

Total: 1379ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`151.106.110.212`
NS	4	`ns3.dotvndns.vn, ns1.dotvndns.vn...`
TXT	1	`417af5759fe1f9b1a29f26589c34c674`
SOA	1	`nsbak.dotvndns.com hostmaster.congtri.co`

📌 Glue Records Collected

Total: 2

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

Analysis

IP Addresses

congtri.com has exactly one IP address — 151.106.110.212.

Name Servers

Four name servers handle the delegation for congtri.com: nsbak.dotvndns.com, ns1.dotvndns.vn, ns2.dotvndns.vn and ns3.dotvndns.vn.

congtri.com partially shares its NS delegation with several other domains, including ingiare.vn, hanhlamnhien.com, dongduocphuchung.com.vn and two others.

These name servers regularly co-occur with the name servers ns1.pavietnam.vn, ns2.pavietnam.vn and nsbak.pavietnam.net.

Host names pointing to two IP addresses:

nsbak.dotvndns.com maps to two IP addresses — 112.213.89.22 and 2406:9c80::9000:302.

ns1.dotvndns.vn maps to two IP addresses — 112.213.89.3 and 2406:9c80::66.

ns2.dotvndns.vn maps to two IP addresses — 222.255.121.247 and 2406:9c80::9000:111.

Host names resolving to a single IP address:

ns3.dotvndns.vn points to the IP address 112.213.89.22.

These two host names — nsbak.dotvndns.com and ns3.dotvndns.vn — each point to 112.213.89.22 IP addresses.