`5ptb.com`

DNSSEC	⚠️ Not signed
NS	`ns1.matbao.com` ⭐
		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`
		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}
MX	`ssl.emailserver.vn` ⭐
		A	203.171.31.205^{🇻🇳 CMC-1203.171.31.0/24 CMCTELECOM-VN}
			PTR	`static.cmcti.vn`
TXT	`v=spf1 mx include:emailserver.vn -all`
SOA	`ns1.matbao.com`admin@matbao.com 2025-12-27 #3

`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=1774687907

Same first word

5ptb.com

DNS History

4 records (3 active, 1 former)

○NSf1g1ns1.dnspod.net2017-05-09 → 2017-05-09 · 3 obs

● 2017-05-09 23:27:40
○ 2026-03-02 11:09:30
○ 2026-03-28 09:07:08

●NSns1.matbao.com2026-03-02 → 2026-03-28 · 3 obs

○ 2017-05-09 23:27:40
● 2026-03-02 11:09:30
● 2026-03-28 09:07:08

●NSns2.matbao.com2026-03-02 → 2026-03-28 · 3 obs

○ 2017-05-09 23:27:40
● 2026-03-02 11:09:30
● 2026-03-28 09:07:08

●MXssl.emailserver.vn2026-03-02 → 2026-03-28 · 2 obs

● 2026-03-02 11:09:30
● 2026-03-28 09:07:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	b.gtld-servers.net, d.gtld-servers.net, c.gtld-servers.net, j.gtld-servers.net...	-
5ptb.com	ns1.matbao.com, ns2.matbao.com	4 records

✅ Authoritative Response

Server:103.138.89.11

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 5ptb.com (unsigned zone)

⏱️ Timing

Total: 792ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`ns1.matbao.com, ns2.matbao.com`
MX	1	`ssl.emailserver.vn (pri: 10)`
TXT	1	`v=spf1 mx include:emailserver.vn -all`
SOA	1	`ns1.matbao.com admin.matbao.com`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns1.matbao.com, ns1.matbao.com, ns2.matbao.com...)

Analysis

Name Servers

5ptb.com's delegation uses two name servers: ns1.matbao.com and ns2.matbao.com.

5ptb.com uses the same name server setup as other domains, such as dauso1900.vn, thanhthanhtungstone.com, giaolo.com, netvas.net and baochau.net.

5ptb.com at least partially shares name servers with other domains, including kungfu.com.vn, csdl.edu.vn, tiepthilai.com, giahot.net and tanphuong.com.vn.

These name servers are commonly used with ns1.matbao.vn, ns2.matbao.vn, ns1.digipowerdns.com, ns2.digipowerdns.com, ns3.digipowerdns.com, ns4.digipowerdns.com, ns3.matbao.com and ns4.matbao.com.

Host names with two IPs:

ns1.matbao.com points to 13.250.228.99 and 103.110.128.60

ns2.matbao.com points to 35.198.203.127 and 103.138.89.11

Mail Servers

A single mail server handles 5ptb.com, ssl.emailserver.vn.

5ptb.com shares the same mail server setup as other domains, for instance gpsmega.com, 8gio.com, trandinh.vn, blogchiemtinh.com and vksquangninh.gov.vn.

5ptb.com shares at least some mail servers with other domains, for instance kontum.gov.vn, flavorsofhanoi.com and dnse.vn.

Host name ssl.emailserver.vn resolves to a single IP: 203.171.31.205.

5ptb.com - robtex.com

5ptb.com

com