`dhsc.vn`

DNSSEC	⚠️ Not signed
A	42.96.22.130^{🇻🇳 LVHN-AS-VN42.96.22.0/23 LVSS-VN}
NS	`bowen.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2c53^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bowen.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c353^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`bowen.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2353^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`bowen.ns.cloudflare.com`
		A	108.162.195.83^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bowen.ns.cloudflare.com`
		A	162.159.44.83^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bowen.ns.cloudflare.com`
		A	172.64.35.83^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bowen.ns.cloudflare.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`
		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	`mx1.larksuite.com` ⭐
		A	18.139.153.173^{🇸🇬 Amazon18.138.0.0/15 EC2 SIN prefix}
			PTR	`ec2-18-139-153-173.ap-southeast-1.compute.amazonaws.com`
MX	`mx2.larksuite.com`⁽⁵⁾
		A	18.139.153.173^{🇸🇬 Amazon18.138.0.0/15 EC2 SIN prefix}
			PTR	`ec2-18-139-153-173.ap-southeast-1.compute.amazonaws.com`
MX	`mx3.larksuite.com`⁽¹⁰⁾
		A	18.139.153.173^{🇸🇬 Amazon18.138.0.0/15 EC2 SIN prefix}
			PTR	`ec2-18-139-153-173.ap-southeast-1.compute.amazonaws.com`
		A	101.126.58.223^{🇨🇳 VOLCANO-ENGINE101.126.56.0/21 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
		A	122.14.230.154^{🇨🇳 CHINAMOBILE-CN122.14.224.0/20}
TXT	`verification-code-site-App_lark=AfMHRlN0erPyFGYvV7sN`
TXT	`v=spf1 +include:spf.onlarksuite.com -all`
SOA	`bowen.ns.cloudflare.com`hostmaster@dhsc.vn 2026-04-20 #26

`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=2030750082

Subdomains

harbor.dhsc.vn

bvthammynaman.dhsc.vn

bvdkkvphianam.dhsc.vn

argocd.dhsc.vn

ttytvinhthanh.dhsc.vn

a.dhsc.vn

bvdkomon.dhsc.vn

ttytkvnganam.dhsc.vn

demo.dhsc.vn

trinatesting.dhsc.vn

ttytkvthanhtri.dhsc.vn

ttytphuoclong.dhsc.vn

bvq1.dhsc.vn

beta.dhsc.vn

bvq12.dhsc.vn

dhtesting.dhsc.vn

crh.dhsc.vn

bvdkculaominh.dhsc.vn

bvnoitietquangngai.dhsc.vn

airflow.dhsc.vn

ttytcairang.dhsc.vn

ttytthoilai.dhsc.vn

b.dhsc.vn

ttyttracu.dhsc.vn

Same first word

dhsc.vn

dhsc.ch

dhsc.cn

dhsc.nhs.uk

dhsc.co.uk

dhsc.co.kr

dhsc.org

dhsc.store

dhsc.eu

dhsc.edu.et

dhsc.gov.uk

dhsc.com

dhsc.com.cn

dhsc.de

Similar names

dchs.ws

dchs.org

cdhs.org.uk

shdc.hu

dsch.cn

dcsh.co.uk

chsd.cz

hdsc.or.kr

sdch.net

hdcs.dk

hdsc.pl

chds.com.au

hdsc.de

shdc.in

schd.io

hsdc.gov.in

hsdc.cn

cdhs.com.cn

hdcs.net

dsch.ca

sdhc.info

cshd.xyz

dchs.com

sdhc.de

shcd.com

chsd.pl

hcds.gov.bf

chds.com.py

hcds.ru

hscd.de

hscd.fr

shcd.cc

dhcs.eu

cdsh.nl

chds.eu

chds.org

sdch.in

hdsc.org.uk

dsch.akamaiedge-staging.net

hsdc.net.cn

hdcs.de

sdch.org

hsdc.us

csdh.xyz

hcsd.org

cshd.de

sdhc.in

shdc.info

dchs.de

shcd.me

dhcs.com.cn

sdch.co.in

shdc.com

hscd.at

dhcs.nl

cshd.org

dshc.org.uk

hdsc.com.cn

hdsc.com

sdhc.org

cdsh.in

hdsc.net.au

shcd.net

schd.de

dchs.com.au

csdh.vip

hcsd.com

dshc.net

hdcs.ca

hdcs.co.uk

sdhc.it

dsch.net

hdcs.com.br

cdhs.info

csdh.ch

hdcs.com

dchs.net

scdh.ca

dchs.nl

cdhs.com

hcds.nl

sdhc.k12.fl.us

hcsd.com.au

schd.hu

hcds.cn

dsch.eu

hcsd.me

shcd.com.cn

chsd.ca

cshd.net

dsch.dk

dhcs.com

dhcs.vn

hsdc.ca

DNS History

8 records (8 active, 0 former)

●NSbowen.ns.cloudflare.com2026-05-01 → 2026-05-09 · 2 obs

● 2026-05-01 16:20:36
● 2026-05-09 00:53:16

●NSns1.pavietnam.vn2026-05-01 → 2026-05-09 · 2 obs

● 2026-05-01 16:20:36
● 2026-05-09 00:53:16

●NSns2.pavietnam.vn2026-05-01 → 2026-05-09 · 2 obs

● 2026-05-01 16:20:36
● 2026-05-09 00:53:16

●NSnsbak.pavietnam.net2026-05-01 → 2026-05-09 · 2 obs

● 2026-05-01 16:20:36
● 2026-05-09 00:53:16

●MXmx1.larksuite.com2026-05-01 → 2026-05-09 · 2 obs

● 2026-05-01 16:20:36
● 2026-05-09 00:53:16

●MXmx2.larksuite.com2026-05-01 → 2026-05-09 · 2 obs

● 2026-05-01 16:20:36
● 2026-05-09 00:53:16

●MXmx3.larksuite.com2026-05-01 → 2026-05-09 · 2 obs

● 2026-05-01 16:20:36
● 2026-05-09 00:53:16

●A42.96.22.1302026-05-01 → 2026-05-09 · 2 obs

● 2026-05-01 16:20:36
● 2026-05-09 00:53:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
vn	g.dns-servers.vn, a.dns-servers.vn, b.dns-servers.vn, f.dns-servers.vn...	-
dhsc.vn	ns1.pavietnam.vn, nsbak.pavietnam.net, ns2.pavietnam.vn	4 records

✅ Authoritative Response

Server:222.255.121.247

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for dhsc.vn (unsigned zone)

⏱️ Timing

Total: 2072ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`42.96.22.130`
NS	3	`nsbak.pavietnam.net, ns2.pavietnam.vn...`
MX	3	`mx2.larksuite.com (pri: 5), mx1.larksuite.com (pri: 1)...`
TXT	2	`v=spf1 +include:spf.onlarksuite.com -all, verification-code-site-App_lark=AfMHRlN0`
SOA	1	`bowen.ns.cloudflare.com hostmaster.dhsc.`

📌 Glue Records Collected

Total: 4

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

Analysis

Hierarchy

The parent of harbor.dhsc.vn, bvthammynaman.dhsc.vn, bvdkkvphianam.dhsc.vn, argocd.dhsc.vn, ttytvinhthanh.dhsc.vn and a few other host names is dhsc.vn.

IP Addresses

dhsc.vn resolves to a single IP: 42.96.22.130.

Other host names, for instance emr.bvquandanycantho.dhsc.vn, minio.ttyttracu.dhsc.vn, minio.bvdkomon.dhsc.vn, minio.ttytthoilai.dhsc.vn and emr.beta.bvdkculaominh.dhsc.vn share IP numbers with dhsc.vn.

Name Servers

dhsc.vn is delegated to four name servers: nsbak.pavietnam.net, ns1.pavietnam.vn, ns2.pavietnam.vn and bowen.ns.cloudflare.com.

dhsc.vn shares some name servers with other domains, for example today.edu.vn, hanoihoa.com, phanvu.com, thepangroup.vn and so(0x6469636b).com.vn.

These name servers are commonly used alongside ns1.dotvndns.vn, ns2.dotvndns.vn, nsbak.dotvndns.com and ns3.dotvndns.vn.

Names with six IPs: bowen.ns.cloudflare.com points to 2606:4700:58::a29f:2c53, 2803:f800:50::6ca2:c353, 2a06:98c1:50::ac40:2353, 108.162.195.83, 162.159.44.83 and 172.64.35.83.

Names with two IPs: 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

dhsc.vn is handled by three mail servers: mx1.larksuite.com, mx2.larksuite.com and mx3.larksuite.com.

dhsc.vn shares some mail servers with other domains, at least partially; for instance mineando.net, fantasyshare.net, coffiso.jp, foxjoygames.com and khanhanweb.com.

Host names with three IP numbers:

mx3.larksuite.com points to 18.139.153.173, 101.126.58.223 and 122.14.230.154.

Host names with one IP number:

mx1.larksuite.com and mx2.larksuite.com point to 18.139.153.173.

Host names that point to 18.139.153.173: mx3.larksuite.com, mx1.larksuite.com and mx2.larksuite.com.

dhsc.vn - robtex.com

dhsc.vn

vn

Subdomains

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`dhsc.vn`

`vn`