`tcsoftware.vn`

DNSSEC	⚠️ Not signed
A	123.31.41.73^{🇻🇳 VNPT-AS-VN123.31.41.0/24 VNPT}
		PTR	`static.vnpt.vn`
NS	`ethan.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2ce8^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ethan.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3e8^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`ethan.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23e8^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`ethan.ns.cloudflare.com`
		A	108.162.195.232^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ethan.ns.cloudflare.com`
		A	162.159.44.232^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ethan.ns.cloudflare.com`
		A	172.64.35.232^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ethan.ns.cloudflare.com`
NS	`sara.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a90^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sara.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c090^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`sara.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2090^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`sara.ns.cloudflare.com`
		A	108.162.192.144^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sara.ns.cloudflare.com`
		A	172.64.32.144^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sara.ns.cloudflare.com`
		A	173.245.58.144^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sara.ns.cloudflare.com`
MX	`mail.tcsoftware.vn` ⭐
		A	123.31.41.73^{🇻🇳 VNPT-AS-VN123.31.41.0/24 VNPT}
			PTR	`static.vnpt.vn`
MX	`mx2.zoho.com` ⭐
		A	136.143.183.44^{🇺🇸 ZohoAS136.143.182.0/23 Zoho}
			PTR	`mx2.zoho.com`
			PTR	`mx3.zoho.com`
			PTR	`mx.zoho.com`
			PTR	`mx2.zohomail.com`
			PTR	`mx3.zohomail.com`
			PTR	`mx.zohomail.com`
MX	`mx3.zoho.com`⁽²⁰⁾
		A	204.141.43.44^{🇺🇸 ZohoAS204.141.42.0/23 Zoho Corporation}
			PTR	`mx2.zoho.com`
			PTR	`mx3.zoho.com`
			PTR	`mx6.zoho.com`
			PTR	`mx7.zoho.com`
			PTR	`mx8.zoho.com`
			PTR	`mx.zoho.com`
			PTR	`mx2.zohomail.com`
			PTR	`mx3.zohomail.com`
			PTR	`mx.zohomail.com`
MX	`mx.zoho.com`⁽⁵⁰⁾
		A	136.143.183.44^{🇺🇸 ZohoAS136.143.182.0/23 Zoho}
			PTR	`mx2.zoho.com`
			PTR	`mx3.zoho.com`
			PTR	`mx.zoho.com`
			PTR	`mx2.zohomail.com`
			PTR	`mx3.zohomail.com`
			PTR	`mx.zohomail.com`
		A	204.141.43.44^{🇺🇸 ZohoAS204.141.42.0/23 Zoho Corporation}
			PTR	`mx2.zoho.com`
			PTR	`mx3.zoho.com`
			PTR	`mx6.zoho.com`
			PTR	`mx7.zoho.com`
			PTR	`mx8.zoho.com`
			PTR	`mx.zoho.com`
			PTR	`mx2.zohomail.com`
			PTR	`mx3.zohomail.com`
			PTR	`mx.zohomail.com`
TXT	`google-site-verification=upYcR8q0GQKZcLp5CaTTU6Pz3NWLkFW5X20mcx2ywGg`
TXT	`v=spf1 +a +mx -all`
TXT	`v=spf1 +mx +a +ip4:123.31.41.73 -all`
TXT	`v=spf1 include:zoho.com ~all`
TXT	`zoho-verification=zb34063680.zmverify.zoho.com`
SOA	`ethan.ns.cloudflare.com`dns@cloudflare.com serial=2406419242

`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=2030870469

Subdomains

localtunnel.tcsoftware.vn

mail.tcsoftware.vn

aidoc.tcsoftware.vn

chamthi.tcsoftware.vn

quan-ly-in-an.tcsoftware.vn

Same first word

tcsoftware.net

tcsoftware.com

tcsoftware.vn

Similar names

ctsoftware.co.uk

ctsoftware.eu

ctsoftware.com.my

ctsoftware.no

ctsoftware.com

ctsoftware.nl

westfactor.ca

stowecraft.com

ctsoftware.de

softwaretc.net

softwaretc.com

ctsoftware.net

DNS History

7 records (7 active, 0 former)

●NSethan.ns.cloudflare.com2026-06-04 → 2026-06-10 · 2 obs

● 2026-06-04 10:08:32
● 2026-06-10 03:37:44

●NSsara.ns.cloudflare.com2026-06-04 → 2026-06-10 · 2 obs

● 2026-06-04 10:08:32
● 2026-06-10 03:37:44

●MXmail.tcsoftware.vn2026-06-04 → 2026-06-10 · 2 obs

● 2026-06-04 10:08:32
● 2026-06-10 03:37:44

●MXmx.zoho.com2026-06-04 → 2026-06-10 · 2 obs

● 2026-06-04 10:08:32
● 2026-06-10 03:37:44

●MXmx2.zoho.com2026-06-04 → 2026-06-10 · 2 obs

● 2026-06-04 10:08:32
● 2026-06-10 03:37:44

●MXmx3.zoho.com2026-06-04 → 2026-06-10 · 2 obs

● 2026-06-04 10:08:32
● 2026-06-10 03:37:44

●A123.31.41.732026-06-04 → 2026-06-10 · 2 obs

● 2026-06-04 10:08:32
● 2026-06-10 03:37:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
vn	a.dns-servers.vn, b.dns-servers.vn, c.dns-servers.vn, d.dns-servers.vn...	-
tcsoftware.vn	sara.ns.cloudflare.com, ethan.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.58.144

NS records: sara.ns.cloudflare.com, ethan.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for tcsoftware.vn (unsigned zone)

⏱️ Timing

Total: 1106ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`123.31.41.73`
NS	2	`ethan.ns.cloudflare.com, sara.ns.cloudflare.com`
MX	4	`mail.tcsoftware.vn (pri: 10), mx.zoho.com (pri: 10)...`
TXT	5	`google-site-verification=upYcR8q0GQKZcLp, v=spf1 +a +mx -all...`
SOA	1	`ethan.ns.cloudflare.com dns.cloudflare.c`

Analysis

Hierarchy

localtunnel.tcsoftware.vn, mail.tcsoftware.vn, aidoc.tcsoftware.vn, chamthi.tcsoftware.vn and quan-ly-in-an.tcsoftware.vn each fall under the parent domain tcsoftware.vn.

IP Addresses

tcsoftware.vn resolves to one IP address: 123.31.41.73.

quan-ly-in-an.tcsoftware.vn, nexus.tcgroup.vn, imgproxy.tcgroup.vn and two other host names share IP numbers with tcsoftware.vn.

Name Servers

DNS delegation for tcsoftware.vn points to two name servers: ethan.ns.cloudflare.com and sara.ns.cloudflare.com.

tcsoftware.vn uses the same name servers as several other domains — among them tcgroup.vn, witsenburg.nl, beritasuper.id and two more.

tcsoftware.vn partially shares its NS delegation with several other domains, including fiscalizacao360.online, gib.ee, metabolist.org and two others.

These name servers regularly co-occur with the name servers carter.ns.cloudflare.com, tess.ns.cloudflare.com and rohin.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

The hostname ethan.ns.cloudflare.com resolves to 108.162.195.232, 162.159.44.232, 172.64.35.232 and three additional IP addresses.

The hostname sara.ns.cloudflare.com resolves to 108.162.192.144, 172.64.32.144, 173.245.58.144 and three additional IP addresses.

Mail Servers

Email destined for tcsoftware.vn is delivered via 4 mail servers — mx2.zoho.com, mx3.zoho.com, mx.zoho.com and mail.tcsoftware.vn.

tcsoftware.vn has at least partial mail server overlap with other domains such as ndtaltas.com, vintross.de, homecare.works and two more.

Hostnames that resolve to two IP addresses:

mx.zoho.com has two IP addresses: 136.143.183.44 and 204.141.43.44.

Host names with one IP number:

mx2.zoho.com directs to 136.143.183.44.

mx3.zoho.com directs to 204.141.43.44.

mail.tcsoftware.vn directs to 123.31.41.73.

Host names pointing to 136.143.183.44 IP addresses: mx.zoho.com and mx2.zoho.com.

Host names pointing to 204.141.43.44 IP addresses: mx.zoho.com and mx3.zoho.com.

tcsoftware.vn - robtex.com

tcsoftware.vn

vn

Subdomains

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`tcsoftware.vn`

`vn`