`ptrinternational.com`

DNSSEC	⚠️ Not signed
A	172.104.53.45^{🇸🇬 AKAMAI-LINODE-AP172.104.32.0/19 Akamai Technologies}
		PTR	`172-104-53-45.ip.linodeusercontent.com`
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}
MX	`pro10.emailserver.vn` ⭐
		A	103.110.129.110^{🇻🇳 AXYS-VN103.110.128.0/23}
			PTR	`pro10.emailserver.vn`
TXT	`v=spf1 mx include:emailserver.vn include:spf.protection.outlook.com -all`
TXT	`MS=ms97971924`
SOA	`ns1.matbao.com`admin@matbao.com 2026-01-08 #1

`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=1774649637

Subdomains

mail.ptrinternational.com

Same first word

ptrinternational.com

Similar names

trpinternational.com

tprinternational.mobi

rtpinternational.com

prtinternational.com

rptinternational.com

rptinternational.com.hk

tprinternational.com

tprinternational.net

tprinternational.info

DNS History

8 records (6 active, 2 former)

●NSns1.matbao.com2017-01-04 → 2026-03-27 · 2 obs

● 2017-01-04 16:50:48
● 2026-03-27 22:27:48

●NSns1.matbao.vn2026-02-16 → 2026-03-27 · 3 obs

○ 2017-01-04 16:50:48
● 2026-02-16 10:00:04
● 2026-03-27 22:27:48

●NSns2.matbao.com2017-01-04 → 2026-03-27 · 2 obs

● 2017-01-04 16:50:48
● 2026-03-27 22:27:48

●NSns2.matbao.vn2026-02-16 → 2026-03-27 · 3 obs

○ 2017-01-04 16:50:48
● 2026-02-16 10:00:04
● 2026-03-27 22:27:48

○MXmail.ptrinternational.com2017-01-04 → 2018-06-23 · 4 obs

● 2017-01-04 16:50:48
● 2018-06-23 17:14:00
○ 2026-02-16 10:00:04
○ 2026-03-27 22:27:48

●MXpro10.emailserver.vn2026-02-16 → 2026-03-27 · 3 obs

○ 2018-06-23 17:14:00
● 2026-02-16 10:00:04
● 2026-03-27 22:27:48

○A112.78.2.1312017-01-04 → 2018-06-23 · 4 obs

● 2017-01-04 16:50:48
● 2018-06-23 17:14:00
○ 2026-02-16 10:00:04
○ 2026-03-27 22:27:48

●A172.104.53.452026-02-16 → 2026-03-27 · 3 obs

○ 2018-06-23 17:14:00
● 2026-02-16 10:00:04
● 2026-03-27 22:27:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
ptrinternational.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 ptrinternational.com (unsigned zone)

⏱️ Timing

Total: 1834ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`172.104.53.45`
NS	2	`ns1.matbao.com, ns2.matbao.com`
MX	1	`pro10.emailserver.vn (pri: 0)`
TXT	2	`MS=ms97971924, v=spf1 mx include:emailserver.vn include`
SOA	1	`ns1.matbao.com admin.matbao.com`

Analysis

Hierarchy

The parent of mail.ptrinternational.com is ptrinternational.com.

IP Addresses

ptrinternational.com points to an IP address: 172.104.53.45.

other host names include easylaser.vn, thuvientinhlaocai.vn, xuyenhaviet.com, structcons.com and slcvietnam.com; they share IP numbers with ptrinternational.com.

Name Servers

ptrinternational.com delegates to four name servers: ns1.matbao.com, ns2.matbao.com, ns1.matbao.vn and ns2.matbao.vn.

ptrinternational.com at least partially shares name servers with other domains, for instance toyotathanglong.vn, daiphatcorporation.com, nhacungcapthucpham.com, vidia.vn and chauruabat.net.

These name servers are commonly used with the following: ns-bak.matbao.com, ns1.digipowerdns.com, ns2.digipowerdns.com and ns3.digipowerdns.com.

Host names with two IP numbers

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

ns1.matbao.vn points to 13.250.228.99 and 103.110.128.60

ns2.matbao.vn points to 35.198.203.127 and 103.138.89.11

Names pointing to 13.250.228.99: ns1.matbao.com and ns1.matbao.vn

Names pointing to 103.110.128.60: ns1.matbao.com and ns1.matbao.vn

Names pointing to 35.198.203.127: ns2.matbao.com and ns2.matbao.vn

Names pointing to 103.138.89.11: ns2.matbao.com and ns2.matbao.vn

Mail Servers

ptrinternational.com is handled by a single mail server, pro10.emailserver.vn.

ptrinternational.com uses the same mail server setup as other domains, for instance kimmarcom.com, dalatcadasaresort.vn, tonalegal.com, techspace.vn and pbisg.com.

ptrinternational.com shares at least some mail servers with other domains, including nhabepxinh.com and tribeco.com.vn.

these mail servers are commonly used together with nhabepxinh-com.mail.protection.outlook.com.

The host name pro10.emailserver.vn points to IP 103.110.129.110.

ptrinternational.com - robtex.com