`phongkhammat.com`

DNSSEC	⚠️ Not signed
A	103.82.21.170^{🇻🇳 VNPT-AS-VN103.82.20.0/22 INETACADEMY-AS-VN}
		PTR	`103.82.21.170.cloudfly.vn`
NS	`ns1.nina.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.nina.vn`
		A	222.255.121.247^{🇻🇳 VDC222.255.121.0/24 VNPT}
			PTR	`static.vdc.vn`
			PTR	`static.vnpt.vn`
MX	`mail.phongkhammat.com` ⭐
		A	103.82.21.170^{🇻🇳 VNPT-AS-VN103.82.20.0/22 INETACADEMY-AS-VN}
			PTR	`103.82.21.170.cloudfly.vn`
TXT	`google-site-verification=1VYjJGp1Kmhk2X09fm_cYDh0nXvwtXaxITMR_COdrzA`
TXT	`v=spf1 a mx ip4:103.82.21.170 ~all`
SOA	`ns1.nina.vn`hostmaster@phongkhammat.com 2026-01-27 #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=1771291435

Subdomains

mail.phongkhammat.com

Same first word

phongkhammat.com

DNS History

7 records (4 active, 3 former)

●NSns1.nina.vn2015-06-24 → 2026-03-24 · 2 obs

● 2015-06-24 19:00:48
● 2026-03-24 05:54:22

●NSns2.nina.vn2015-06-24 → 2026-03-24 · 2 obs

● 2015-06-24 19:00:48
● 2026-03-24 05:54:22

●MXmail.phongkhammat.com2015-06-24 → 2026-03-24 · 2 obs

● 2015-06-24 19:00:48
● 2026-03-24 05:54:22

●A103.82.21.1702026-03-21 → 2026-03-24 · 3 obs

○ 2017-11-30 03:56:40
● 2026-03-21 03:40:50
● 2026-03-24 05:54:22

○A103.82.36.212026-03-21 → 2026-03-24 · 2 obs

○ 2026-03-21 03:40:50
○ 2026-03-24 05:54:22

○A210.2.64.692015-06-24 → 2016-05-02 · 4 obs

● 2015-06-24 19:00:48
● 2016-05-02 10:15:06
○ 2016-12-31 21:16:58
○ 2026-03-24 05:54:22

○A210.2.87.32016-12-31 → 2017-11-30 · 5 obs

○ 2016-05-02 10:15:06
● 2016-12-31 21:16:58
● 2017-11-30 03:56:40
○ 2026-03-21 03:40:50
○ 2026-03-24 05:54:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
phongkhammat.com	ns1.nina.vn, ns2.nina.vn	-

✅ Authoritative Response

Server:112.213.89.3

NS records: ns1.nina.vn, ns2.nina.vn

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for phongkhammat.com (unsigned zone)

⏱️ Timing

Total: 1097ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`103.82.21.170`
NS	2	`ns1.nina.vn, ns2.nina.vn`
MX	1	`mail.phongkhammat.com (pri: 10)`
TXT	2	`v=spf1 a mx ip4:103.82.21.170 ~all, google-site-verification=1VYjJGp1Kmhk2X0`
SOA	1	`ns1.nina.vn hostmaster.phongkhammat.com`

Analysis

Hierarchy

phongkhammat.com is the parent of mail.phongkhammat.com.

IP Addresses

phongkhammat.com resolves to a single IP address: 103.82.21.170.

Other host names including mail.mayhanviet.com, mail.cid-vn.com, impackvietnam.com, thuycuchi.com and chongthamdaphat.com share IP numbers with phongkhammat.com.

Name Servers

phongkhammat.com's delegation uses two name servers, ns1.nina.vn and ns2.nina.vn.

phongkhammat.com shares the same name server setup as other domains, for example vantainguyenthanh.com, wufengvn.com, maynenkhiorm.com, giangiaolonggiap.com and carlogavazzi.vn.

phongkhammat.com at least partially shares name servers with other domains, including truongmaisaigon.com, dongxanh.net, vpplythienloc.com, atmdecor.com and thangmaytuongviet.com.

These name servers are commonly used with the name servers ns3.nina.vnns1.dotvndns.vnns4.nina.vnnsbak.pavietnam.netns1.pavietnam.vn and ns2.pavietnam.vn.

Host names with a single IP:

ns1.nina.vn points to 112.213.89.3.

ns2.nina.vn points to 222.255.121.247.

Mail Servers

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

mail.phongkhammat.com points to a single IP: 103.82.21.170.

phongkhammat.com - robtex.com