`quangcaolongan.com`

DNSSEC	⚠️ Not signed
A	210.211.121.148^{🇻🇳 VTDC-AS-VN210.211.120.0/22 Proxy-registered route object}
		PTR	`121148.ninamailservice.com`
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	`mail.quangcaolongan.com` ⭐
		A	116.193.69.134^{🇻🇳 QTSP116.193.69.0/24 QTSC-VN}
			PTR	`69134.ninamailservice.com`
TXT	`v=spf1 a mx ~all`
SOA	`nsbak.dotvndns.com`hostmaster@quangcaolongan.com 2024-04-16 #2

`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

quangcaolongan.com

DNS History

7 records (5 active, 2 former)

●NSns1.dotvndns.vn2015-04-29 → 2026-05-09 · 6 obs

● 2015-04-29 02:39:24
● 2015-10-22 19:37:14
○ 2015-12-27 07:41:16
○ 2016-08-10 10:26:30
● 2017-04-03 06:28:00
● 2026-05-09 13:49:18

●NSns2.dotvndns.vn2015-04-29 → 2026-05-09 · 2 obs

● 2015-04-29 02:39:24
● 2026-05-09 13:49:18

●NSnsbak.dotvndns.com2026-04-08 → 2026-05-09 · 3 obs

○ 2017-04-03 06:28:00
● 2026-04-08 10:41:46
● 2026-05-09 13:49:18

●MXmail.quangcaolongan.com2015-04-29 → 2026-05-09 · 2 obs

● 2015-04-29 02:39:24
● 2026-05-09 13:49:18

○A116.193.69.1342017-04-03 → 2017-04-03 · 4 obs

○ 2016-08-10 10:26:30
● 2017-04-03 06:28:00
○ 2026-04-08 10:41:46
○ 2026-05-09 13:49:18

○A116.193.76.222015-04-29 → 2016-08-10 · 4 obs

● 2015-04-29 02:39:24
● 2016-08-10 10:26:30
○ 2017-04-03 06:28:00
○ 2026-05-09 13:49:18

●A210.211.121.1482026-04-08 → 2026-05-09 · 3 obs

○ 2017-04-03 06:28:00
● 2026-04-08 10:41:46
● 2026-05-09 13:49:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, j.gtld-servers.net, k.gtld-servers.net, l.gtld-servers.net...	-
quangcaolongan.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 quangcaolongan.com (unsigned zone)

⏱️ Timing

Total: 4748ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`210.211.121.148`
NS	3	`ns1.dotvndns.vn, ns2.dotvndns.vn...`
MX	1	`mail.quangcaolongan.com (pri: 10)`
TXT	1	`v=spf1 a mx ~all`
SOA	1	`nsbak.dotvndns.com hostmaster.quangcaolo`

📌 Glue Records Collected

Total: 2

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

Analysis

IP Addresses

quangcaolongan.com resolves to one IP number: 210.211.121.148.

other host names including www.babesmile.com.vn, mail.xaydunghuyhoang.com, gmpvietnam.vn, congnguyensport.vn and www.xuongkhobominhphat.com share IP numbers with quangcaolongan.com.

Name Servers

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

quangcaolongan.com at least partially shares name servers with other domains, for instance hocict.edu.vn, datvietjsc.vn, qlkdnhp.vn, capherangxay.vn and sanphamkhoedep.vn.

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

Mail Servers

quangcaolongan.com is handled by a single mail server, mail.quangcaolongan.com.

mail.quangcaolongan.com resolves to IP 116.193.69.134.

quangcaolongan.com - robtex.com