`longthanhgiay.com`

DNSSEC	⚠️ Not signed
A	165.99.16.178^{MOBIFONE-AS-VN165.99.16.0/23 COMI-VN}
		PTR	`host178.vietazco.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.longthanhgiay.com` ⭐
		A	165.99.16.178^{MOBIFONE-AS-VN165.99.16.0/23 COMI-VN}
			PTR	`host178.vietazco.com`
TXT	`v=spf1 a mx ~all`
SOA	`nsbak.dotvndns.com`hostmaster@longthanhgiay.com 2026-04-11 #5

`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=1778452501

Subdomains

mail.longthanhgiay.com

Same first word

longthanhgiay.com

longthanhgiay.vn

DNS History

15 records (5 active, 10 former)

●NSns1.dotvndns.vn2019-02-26 → 2026-05-10 · 3 obs

○ 2017-02-09 11:31:50
● 2019-02-26 11:16:24
● 2026-05-10 23:02:42

○NSns1.vietaz.biz2016-03-01 → 2017-02-09 · 5 obs

○ 2015-11-19 15:05:26
● 2016-03-01 16:48:44
● 2017-02-09 11:31:50
○ 2019-02-26 11:16:24
○ 2026-05-10 23:02:42

○NSns1.vietaz.com2019-02-26 → 2019-02-26 · 4 obs

○ 2017-02-09 11:31:50
● 2019-02-26 11:16:24
○ 2026-02-18 03:59:48
○ 2026-05-10 23:02:42

○NSns1.vietaz.vn2019-02-26 → 2019-02-26 · 4 obs

○ 2017-02-09 11:31:50
● 2019-02-26 11:16:24
○ 2026-02-18 03:59:48
○ 2026-05-10 23:02:42

●NSns2.dotvndns.vn2026-02-18 → 2026-05-10 · 3 obs

○ 2019-02-26 11:16:24
● 2026-02-18 03:59:48
● 2026-05-10 23:02:42

○NSns2.vietaz.biz2016-03-01 → 2017-02-09 · 5 obs

○ 2015-11-19 15:05:26
● 2016-03-01 16:48:44
● 2017-02-09 11:31:50
○ 2019-02-26 11:16:24
○ 2026-05-10 23:02:42

○NSns2.vietaz.com2019-02-26 → 2019-02-26 · 4 obs

○ 2017-02-09 11:31:50
● 2019-02-26 11:16:24
○ 2026-02-18 03:59:48
○ 2026-05-10 23:02:42

○NSns2.vietaz.vn2019-02-26 → 2019-02-26 · 4 obs

○ 2017-02-09 11:31:50
● 2019-02-26 11:16:24
○ 2026-02-18 03:59:48
○ 2026-05-10 23:02:42

●NSnsbak.dotvndns.com2026-02-18 → 2026-05-10 · 3 obs

○ 2019-02-26 11:16:24
● 2026-02-18 03:59:48
● 2026-05-10 23:02:42

○NSvietazco.vietaz.com2015-07-15 → 2015-11-19 · 4 obs

● 2015-07-15 00:32:46
● 2015-11-19 15:05:26
○ 2016-03-01 16:48:44
○ 2026-05-10 23:02:42

●MXmail.longthanhgiay.com2015-07-15 → 2026-05-10 · 2 obs

● 2015-07-15 00:32:46
● 2026-05-10 23:02:42

○A103.57.210.1112026-02-18 → 2026-03-27 · 5 obs

○ 2019-02-26 11:16:24
● 2026-02-18 03:59:48
● 2026-03-27 02:55:32
○ 2026-04-15 07:07:44
○ 2026-05-10 23:02:42

○A103.57.210.2352019-02-26 → 2019-02-26 · 4 obs

○ 2017-02-09 11:31:50
● 2019-02-26 11:16:24
○ 2026-02-18 03:59:48
○ 2026-05-10 23:02:42

●A165.99.16.1782026-04-15 → 2026-05-10 · 3 obs

○ 2026-03-27 02:55:32
● 2026-04-15 07:07:44
● 2026-05-10 23:02:42

○A27.0.12.1622015-07-15 → 2017-02-09 · 4 obs

● 2015-07-15 00:32:46
● 2017-02-09 11:31:50
○ 2019-02-26 11:16:24
○ 2026-05-10 23:02:42

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	g.gtld-servers.net, c.gtld-servers.net, k.gtld-servers.net, m.gtld-servers.net...	-
longthanhgiay.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 longthanhgiay.com (unsigned zone)

⏱️ Timing

Total: 2485ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`165.99.16.178`
NS	3	`ns2.dotvndns.vn, ns1.dotvndns.vn...`
MX	1	`mail.longthanhgiay.com (pri: 10)`
TXT	1	`v=spf1 a mx ~all`
SOA	1	`nsbak.dotvndns.com hostmaster.longthanhg`

📌 Glue Records Collected

Total: 2

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

Analysis

Hierarchy

mail.longthanhgiay.com has longthanhgiay.com as its parent.

IP Addresses

longthanhgiay.com maps to IP address 165.99.16.178.

Other host names, for instance cpcontacts.thuviendulichsaigon.edu.vn, hpci.com.vn, mail.vyhofoco.com.vn, ccc.dddd.thuviendulichsaigon.edu.vn and mail.ducminhcaosu.com share IP numbers with longthanhgiay.com.

Name Servers

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

longthanhgiay.com at least partially shares name servers with other domains such as lavada.net, vla.org.vn, trungtamungdung.com, handee.vn and quanlycuahangabc.id.vn.

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

Mail Servers

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

mail.longthanhgiay.com points to one IP number: 165.99.16.178.

longthanhgiay.com - robtex.com