`khoacuathanhdat.com`

DNSSEC	⚠️ Not signed
A	45.252.248.83^{🇻🇳 AZDIGI-AS-VN45.252.248.0/22 AZDIGI-VN}
NS	`ns3.azdigihost.com` ⭐ ⚠️ Not in parent delegation
NS	`ns3.azdigi.com` ⚠️ Not in zone NS records
		A	45.252.248.5^{🇻🇳 AZDIGI-AS-VN45.252.248.0/22 AZDIGI-VN}
NS	`ns4.azdigi.com` ⚠️ Not in zone NS records
		A	103.221.222.220^{🇻🇳 AZDIGI-AS-VN103.221.220.0/22 AZDIGI-VN}
NS	`ns4.azdigihost.com` ⚠️ Not in parent delegation
MX	`khoacuathanhdat.com` ⭐
		A	45.252.248.83^{🇻🇳 AZDIGI-AS-VN45.252.248.0/22 AZDIGI-VN}
SOA	`ns3.azdigihost.com`hosting-admin@azdigi.com 2026-03-20 #4

`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=1778358561

MX for

khoacuathanhdat.com

Same first word

khoacuathanhdat.com

DNS History

10 records (6 active, 4 former)

○NSns1.pavietnam.vn2017-01-04 → 2017-12-12 · 4 obs

● 2017-01-04 19:15:34
● 2017-12-12 23:42:10
○ 2026-05-01 17:35:04
○ 2026-05-09 20:30:16

○NSns2.pavietnam.vn2017-01-04 → 2017-12-12 · 4 obs

● 2017-01-04 19:15:34
● 2017-12-12 23:42:10
○ 2026-05-01 17:35:04
○ 2026-05-09 20:30:16

●NSns3.azdigi.com2026-05-01 → 2026-05-09 · 3 obs

○ 2017-12-12 23:42:10
● 2026-05-01 17:35:04
● 2026-05-09 20:30:16

●NSns3.azdigihost.com2026-05-01 → 2026-05-09 · 3 obs

○ 2017-12-12 23:42:10
● 2026-05-01 17:35:04
● 2026-05-09 20:30:16

●NSns4.azdigi.com2026-05-01 → 2026-05-09 · 3 obs

○ 2017-12-12 23:42:10
● 2026-05-01 17:35:04
● 2026-05-09 20:30:16

●NSns4.azdigihost.com2026-05-01 → 2026-05-09 · 3 obs

○ 2017-12-12 23:42:10
● 2026-05-01 17:35:04
● 2026-05-09 20:30:16

●MXkhoacuathanhdat.com2026-05-01 → 2026-05-09 · 3 obs

○ 2017-12-12 23:42:10
● 2026-05-01 17:35:04
● 2026-05-09 20:30:16

○MXmail.khoacuathanhdat.com2017-01-04 → 2017-12-12 · 4 obs

● 2017-01-04 19:15:34
● 2017-12-12 23:42:10
○ 2026-05-01 17:35:04
○ 2026-05-09 20:30:16

○A210.86.239.1472017-01-04 → 2017-12-12 · 4 obs

● 2017-01-04 19:15:34
● 2017-12-12 23:42:10
○ 2026-05-01 17:35:04
○ 2026-05-09 20:30:16

●A45.252.248.832026-05-01 → 2026-05-09 · 3 obs

○ 2017-12-12 23:42:10
● 2026-05-01 17:35:04
● 2026-05-09 20:30:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
khoacuathanhdat.com	ns3.azdigi.com, ns4.azdigi.com	2 records

✅ Authoritative Response

Server:45.252.248.5

NS records: ns3.azdigi.com, ns4.azdigi.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for khoacuathanhdat.com (unsigned zone)

⏱️ Timing

Total: 741ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`45.252.248.83`
NS	2	`ns4.azdigihost.com, ns3.azdigihost.com`
MX	1	`khoacuathanhdat.com (pri: 0)`
SOA	1	`ns3.azdigihost.com hosting-admin.azdigi.`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns3.azdigi.com, ns4.azdigi.com)

Analysis

Mail Server Role

For khoacuathanhdat.com, the mail server is khoacuathanhdat.com.

IP Addresses

khoacuathanhdat.com points to a single IP number: 45.252.248.83.

other host names for instance ccc.dddd.webmail.review.edu.vn, netmedia.vn, veranime.talkpro.edu.vn, www.coupontiktok.com.elevatemarketing.vn and thietke.me share IP numbers with khoacuathanhdat.com.

Name Servers

khoacuathanhdat.com is delegated to four name servers: ns3.azdigi.com, ns4.azdigi.com, ns3.azdigihost.com and ns4.azdigihost.com.

khoacuathanhdat.com at least partially shares name servers with other domains, for instance aro.com.vn, top10dichvu.com.vn, hiephoivsa.com.vn, openbuilds.vn and hoccungabbie.edu.vn.

These name servers are commonly used with ns1.matbao.vn, ns2.matbao.vn, ns1.azdigi.com, ns2.azdigi.com, ns1.matbao.com, ns4azdigi.com and ns2.matbao.com.

Host names with one IP number:

The host ns3.azdigi.com points to 45.252.248.5 and the host ns4.azdigi.com points to 103.221.222.220.

Mail Servers

One mail server handles khoacuathanhdat.com.

Host name khoacuathanhdat.com points to IP address 45.252.248.83.

khoacuathanhdat.com - robtex.com