`sieuthimaychamcong.vn`

DNSSEC	⚠️ Not signed
A	112.213.89.78^{🇻🇳 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	`hector.dotvndns.com`
NS	`ns1.pavietnam.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.pavietnam.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	`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.sieuthimaychamcong.vn` ⭐
		A	112.213.89.78^{🇻🇳 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	`hector.dotvndns.com`
TXT	`v=spf1 a mx ~all`
SOA	`ns1.pavietnam.vn`hostmaster@sieuthimaychamcong.vn 2025-11-03 #9

`vn`

	DNSSEC	🔒 Signed (DS record present)
	NS	`dns-master.vnnic.vn` ⭐
	NS	`a.dns-servers.vn`
	NS	`b.dns-servers.vn`
	NS	`c.dns-servers.vn`
	NS	`d.dns-servers.vn`
	NS	`e.dns-servers.vn`
	NS	`f.dns-servers.vn`
	NS	`g.dns-servers.vn`
	NS	`h.dns-servers.vn`
	SOA	`dns-master.vnnic.vn`postmaster@vnnic.vn serial=2030762692

Subdomains

cpcontacts.sieuthimaychamcong.vn

mail.sieuthimaychamcong.vn

www.sieuthimaychamcong.vn

cpanel.sieuthimaychamcong.vn

webmail.sieuthimaychamcong.vn

autodiscover.sieuthimaychamcong.vn

cpcalendars.sieuthimaychamcong.vn

Same first word

sieuthimaychamcong.vn

DNS History

6 records (5 active, 1 former)

●NSns1.pavietnam.vn2018-05-06 → 2026-05-12 · 2 obs

● 2018-05-06 21:09:44
● 2026-05-12 07:52:44

●NSns2.pavietnam.vn2018-05-06 → 2026-05-12 · 2 obs

● 2018-05-06 21:09:44
● 2026-05-12 07:52:44

●NSnsbak.pavietnam.net2018-05-06 → 2026-05-12 · 2 obs

● 2018-05-06 21:09:44
● 2026-05-12 07:52:44

●MXmail.sieuthimaychamcong.vn2026-05-01 → 2026-05-12 · 2 obs

● 2026-05-01 11:00:24
● 2026-05-12 07:52:44

○A112.213.89.1092018-05-06 → 2018-05-06 · 3 obs

● 2018-05-06 21:09:44
○ 2026-05-01 11:00:24
○ 2026-05-12 07:52:44

●A112.213.89.782026-05-01 → 2026-05-12 · 3 obs

○ 2018-05-06 21:09:44
● 2026-05-01 11:00:24
● 2026-05-12 07:52:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
vn	a.dns-servers.vn, b.dns-servers.vn, c.dns-servers.vn, d.dns-servers.vn...	-
sieuthimaychamcong.vn	ns1.pavietnam.vn, ns2.pavietnam.vn, nsbak.pavietnam.net	4 records

✅ Authoritative Response

Server:112.213.89.3

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sieuthimaychamcong.vn (unsigned zone)

⏱️ Timing

Total: 3768ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`112.213.89.78`
NS	2	`ns1.pavietnam.vn, ns2.pavietnam.vn`
MX	1	`mail.sieuthimaychamcong.vn (pri: 10)`
TXT	1	`v=spf1 a mx ~all`
SOA	1	`ns1.pavietnam.vn hostmaster.sieuthimaych`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns2.pavietnam.vn, ns2.pavietnam.vn, ns1.pavietnam.vn...)

Analysis

Hierarchy

sieuthimaychamcong.vn is a parent of cpcontacts.sieuthimaychamcong.vn, mail.sieuthimaychamcong.vn, www.sieuthimaychamcong.vn, cpanel.sieuthimaychamcong.vn, webmail.sieuthimaychamcong.vn and a few other host names.

IP Addresses

sieuthimaychamcong.vn points to a single IP: 112.213.89.78.

Other host names, for instance by.svc-1.denshi.vn, mail.lufafami.com.vn, tieuhocvanchuong.edu.vn, mail.thegioituinhua.com and 4.denshi.vn share IP numbers with sieuthimaychamcong.vn.

Name Servers

sieuthimaychamcong.vn is delegated to three name servers: nsbak.pavietnam.net, ns1.pavietnam.vn and ns2.pavietnam.vn.

sieuthimaychamcong.vn partially shares name servers with other domains; examples include gsht.vn, bigbox.vn, tonghoixaydung.vn, tvboxbentre.com and giasugioi.edu.vn.

These name servers commonly accompany ns1.dotvndns.vn, ns2.dotvndns.vn, nsbak.dotvndns.com and ns1.etd.com.vn.

Host names with two IP numbers:

nsbak.pavietnam.net points to 2406:9c80::9000:302 and 112.213.89.22.

ns1.pavietnam.vn points to 2406:9c80::66 and 112.213.89.3.

ns2.pavietnam.vn points to 2406:9c80::9000:111 and 222.255.121.247.

Mail Servers

sieuthimaychamcong.vn is handled by a single mail server, mail.sieuthimaychamcong.vn.

mail.sieuthimaychamcong.vn points to a single IP: 112.213.89.78.

sieuthimaychamcong.vn - robtex.com