`tandtlongan.com`

DNSSEC	⚠️ Not signed
A	112.213.91.24^{🇻🇳 SUPERDATA112.213.91.0/24 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	`mx9124.superdata.vn`
NS	`ns1.dotvndns.vn` ⭐ ⚠️ Not in parent delegation
		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	`ns1.pavietnam.vn` ⚠️ Not in zone NS records
		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` ⚠️ Not in parent delegation
		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	`ns2.pavietnam.vn` ⚠️ Not in zone NS records
		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	`nsbak.pavietnam.net` ⚠️ Not in zone NS records
		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`
MX	`mail.tandtlongan.com` ⭐
		A	112.213.91.24^{🇻🇳 SUPERDATA112.213.91.0/24 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	`mx9124.superdata.vn`
TXT	`v=spf1 a mx ~all`
SOA	`ns1.dotvndns.vn`hostmaster@tandtlongan.com 2017-11-21 #0

`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=1778480076

Subdomains

mail.tandtlongan.com

Same first word

tandtlongan.com

DNS History

7 records (7 active, 0 former)

●NSns1.dotvndns.vn2015-06-17 → 2026-05-11 · 2 obs

● 2015-06-17 03:12:34
● 2026-05-11 06:20:52

●NSns1.pavietnam.vn2026-03-26 → 2026-05-11 · 3 obs

○ 2015-06-17 03:12:34
● 2026-03-26 05:02:30
● 2026-05-11 06:20:52

●NSns2.dotvndns.vn2015-06-17 → 2026-05-11 · 2 obs

● 2015-06-17 03:12:34
● 2026-05-11 06:20:52

●NSns2.pavietnam.vn2026-03-26 → 2026-05-11 · 3 obs

○ 2015-06-17 03:12:34
● 2026-03-26 05:02:30
● 2026-05-11 06:20:52

●NSnsbak.pavietnam.net2026-03-26 → 2026-05-11 · 3 obs

○ 2015-06-17 03:12:34
● 2026-03-26 05:02:30
● 2026-05-11 06:20:52

●MXmail.tandtlongan.com2015-06-17 → 2026-05-11 · 2 obs

● 2015-06-17 03:12:34
● 2026-05-11 06:20:52

●A112.213.91.242015-06-17 → 2026-05-11 · 2 obs

● 2015-06-17 03:12:34
● 2026-05-11 06:20:52

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
tandtlongan.com	nsbak.pavietnam.net, ns1.pavietnam.vn, ns2.pavietnam.vn	-

✅ Authoritative Response

Server:112.213.89.3

NS records: nsbak.pavietnam.net, ns1.pavietnam.vn, ns2.pavietnam.vn

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for tandtlongan.com (unsigned zone)

⏱️ Timing

Total: 1530ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`112.213.91.24`
NS	2	`ns2.dotvndns.vn, ns1.dotvndns.vn`
MX	1	`mail.tandtlongan.com (pri: 10)`
TXT	1	`v=spf1 a mx ~all`
SOA	1	`ns1.dotvndns.vn hostmaster.tandtlongan.c`

Analysis

Hierarchy

The parent of mail.tandtlongan.com is tandtlongan.com.

IP Addresses

tandtlongan.com points to an IP address: 112.213.91.24.

Other host names, for instance mail.tandtlongan.com, share IP numbers with tandtlongan.com.

Name Servers

tandtlongan.com is delegated to five name servers: nsbak.pavietnam.net, ns1.dotvndns.vn, ns2.dotvndns.vn, ns1.pavietnam.vn and ns2.pavietnam.vn.

tandtlongan.com at least partially shares name servers with other domains, for instance ketsatvip.vn, kimhoa.vn, luongkhoquandoi.vn, solarpump.vn and ipn.com.vn.