`rangcercon.com`

DNSSEC	⚠️ Not signed
A	103.23.146.100^{🇻🇳 DIGINET-AS-VN103.23.146.0/24 Proxy-registered route object}
NS	`ns1.matbao.com` ⭐ ⚠️ Not in parent delegation
		A	13.250.228.99^{🇸🇬 Amazon13.250.0.0/15 EC2 SIN prefix}
			PTR	`ec2-13-250-228-99.ap-southeast-1.compute.amazonaws.com`
		A	103.110.128.60^{🇻🇳 AXYS-VN103.110.128.0/23}
NS	`ns1.matbao.vn` ⚠️ Not in zone NS records
		A	13.250.228.99^{🇸🇬 Amazon13.250.0.0/15 EC2 SIN prefix}
			PTR	`ec2-13-250-228-99.ap-southeast-1.compute.amazonaws.com`
		A	103.110.128.60^{🇻🇳 AXYS-VN103.110.128.0/23}
NS	`ns2.matbao.com` ⚠️ Not in parent delegation
		A	35.198.203.127^{🇸🇬 Google35.198.192.0/20}
			PTR	`127.203.198.35.bc.googleusercontent.com`
		A	103.138.89.11^{🇻🇳 VNPT-AS-VN103.138.88.0/23 VNPT-NET}
NS	`ns2.matbao.vn` ⚠️ Not in zone NS records
		A	35.198.203.127^{🇸🇬 Google35.198.192.0/20}
			PTR	`127.203.198.35.bc.googleusercontent.com`
		A	103.138.89.11^{🇻🇳 VNPT-AS-VN103.138.88.0/23 VNPT-NET}
SOA	`ns1.matbao.com`admin@matbao.com 2025-01-09 #2

`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=1778301576

Subdomains

www.rangcercon.com

Same first word

rangcercon.com

DNS History

6 records (5 active, 1 former)

●NSns1.matbao.com2016-12-20 → 2026-05-09 · 2 obs

● 2016-12-20 11:40:54
● 2026-05-09 04:46:36

●NSns1.matbao.vn2026-05-01 → 2026-05-09 · 3 obs

○ 2016-12-20 11:40:54
● 2026-05-01 13:11:14
● 2026-05-09 04:46:36

●NSns2.matbao.com2016-12-20 → 2026-05-09 · 2 obs

● 2016-12-20 11:40:54
● 2026-05-09 04:46:36

●NSns2.matbao.vn2026-05-01 → 2026-05-09 · 3 obs

○ 2016-12-20 11:40:54
● 2026-05-01 13:11:14
● 2026-05-09 04:46:36

●A103.23.146.1002026-05-01 → 2026-05-09 · 3 obs

○ 2017-10-11 01:09:34
● 2026-05-01 13:11:14
● 2026-05-09 04:46:36

○A112.72.98.1242016-12-20 → 2017-10-11 · 4 obs

● 2016-12-20 11:40:54
● 2017-10-11 01:09:34
○ 2026-05-01 13:11:14
○ 2026-05-09 04:46:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	i.gtld-servers.net, a.gtld-servers.net, b.gtld-servers.net, e.gtld-servers.net...	-
rangcercon.com	ns1.matbao.vn, ns2.matbao.vn	-

✅ Authoritative Response

Server:35.198.203.127

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rangcercon.com (unsigned zone)

⏱️ Timing

Total: 2108ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`103.23.146.100`
NS	2	`ns2.matbao.com, ns1.matbao.com`
SOA	1	`ns1.matbao.com admin.matbao.com`

Analysis

Hierarchy

The parent of www.rangcercon.com is rangcercon.com.

IP Addresses

rangcercon.com points to a single IP address: 103.23.146.100.

Other host names such as www.estrala.com.vn, tienich.bambu.vn, vastco.vn, web.muabanoto.com.vn and www.rangcercon.com share IPs with rangcercon.com.

Name Servers

rangcercon.com is delegated to four name servers: ns1.matbao.com, ns2.matbao.com, ns1.matbao.vn and ns2.matbao.vn.

rangcercon.com at least partially shares name servers with other domains, for example tailieuchuan.net, caobahung.com, lmcapital.vn, duocphamtuetinh.vn and tienlensteel.com.vn.

These name servers are commonly used with ns-bak.matbao.com and ns3.matbao.vn and ns4.matbao.vn.

Host names with two IP numbers:

The host name ns1.matbao.com points to 13.250.228.99 and 103.110.128.60; The host name ns1.matbao.vn points to 13.250.228.99 and 103.110.128.60.

The host name ns2.matbao.com points to 35.198.203.127 and 103.138.89.11; The host name ns2.matbao.vn points to 35.198.203.127 and 103.138.89.11.

Host names that point to 13.250.228.99: ns1.matbao.com and ns1.matbao.vn.

Host names that point to 103.110.128.60: ns1.matbao.com and ns1.matbao.vn.

Host names that point to 35.198.203.127: ns2.matbao.com and ns2.matbao.vn.

Host names that point to 103.138.89.11: ns2.matbao.com and ns2.matbao.vn.

rangcercon.com - robtex.com

rangcercon.com

com