`firststeps.edu.vn`

DNSSEC	⚠️ Not signed
A	103.3.246.11^{🇻🇳 BKNS-AS-VN103.3.246.0/24 VDATA-VN}
NS	`ns1.bkdns.vn` ⭐
		A	2403:6a40:1:81::11:1^{🇻🇳 VNPT-AS-VN2403:6a40:1::/48 BKNS-VN}
		A	103.48.81.11^{🇻🇳 VNPT-AS-VN103.48.80.0/22 BKNS-VN}
			PTR	`ip-103-48-81-11.defastlink.net`
NS	`ns2.bkdns.vn`
		A	2403:6a40:2000:247::220:1^{🇻🇳 BKNS-AS-VN2403:6a40:2000::/36 BKNS-VN}
		A	103.3.247.220^{🇻🇳 BKNS-AS-VN103.3.247.0/24 VDATA-VN}
			PTR	`ip-103-3-247-220.defastlink.net`
NS	`ns3.bkdns.vn`
		A	2403:6a40:0:123::250:1^{🇻🇳 BKNS-AS-VN2403:6a40::/48 BKNS-VN BKNS-VN}
			PTR	`ns3.bkdns.vn`
		A	103.74.123.250^{🇻🇳 BKNS-AS-VN103.74.122.0/23 CNBKNS-VN}
			PTR	`ip-103-74-123-250.defastlink.net`
MX	`smtp81061.bkns.com.vn` ⭐
		A	103.48.81.61^{🇻🇳 VNPT-AS-VN103.48.80.0/22 BKNS-VN}
			PTR	`smtp81061.bkns.com.vn`
TXT	`v=spf1 include:_spf.bkns.com.vn ~all`
SOA	`ns1.bkdns.vn`hostmaster@firststeps.edu.vn 2024-05-01 #0

`edu.vn`

	DNSSEC	⚠️ Not signed
	NS	`dns-master.vnnic.vn` ⭐
	NS	`a.dns-servers.vn` ⚠️ Not in parent delegation
	NS	`b.dns-servers.vn` ⚠️ Not in parent delegation
	NS	`c.dns-servers.vn` ⚠️ Not in parent delegation
	NS	`d.dns-servers.vn` ⚠️ Not in parent delegation
	NS	`e.dns-servers.vn` ⚠️ Not in parent delegation
	NS	`f.dns-servers.vn` ⚠️ Not in parent delegation
	NS	`g.dns-servers.vn` ⚠️ Not in parent delegation
	NS	`h.dns-servers.vn` ⚠️ Not in parent delegation
	SOA	`dns-master.vnnic.vn`postmaster@vnnic.vn serial=2018564779

Subdomains

www.firststeps.edu.vn

Same first word

DNS History

5 records (5 active, 0 former)

●NSns1.bkdns.vn2026-05-01 → 2026-05-10 · 2 obs

● 2026-05-01 00:38:16
● 2026-05-10 09:54:44

●NSns2.bkdns.vn2026-05-01 → 2026-05-10 · 2 obs

● 2026-05-01 00:38:16
● 2026-05-10 09:54:44

●NSns3.bkdns.vn2026-05-01 → 2026-05-10 · 2 obs

● 2026-05-01 00:38:16
● 2026-05-10 09:54:44

●MXsmtp81061.bkns.com.vn2026-05-01 → 2026-05-10 · 2 obs

● 2026-05-01 00:38:16
● 2026-05-10 09:54:44

●A103.3.246.112026-05-01 → 2026-05-10 · 2 obs

● 2026-05-01 00:38:16
● 2026-05-10 09:54:44

🔍 DNS Trace

Analysis

Hierarchy

The parent of www.firststeps.edu.vn is firststeps.edu.vn.

IP Addresses

firststeps.edu.vn points to an IP address: 103.3.246.11.

Name Servers

firststeps.edu.vn is delegated to three name servers ns1.bkdns.vn, ns2.bkdns.vn and ns3.bkdns.vn.

firststeps.edu.vn at least partially shares name servers with other domains, for instance betonghopthanh.com.vn, xaydungnoithat.com.vn, nicesea.net.vn, itd.org.vn and casting.net.vn.

These name servers are commonly used alongside ns3.azdigi.com.

Host names with two IP numbers:

ns1.bkdns.vn points to 2403:6a40:1:81::11:1 and 103.48.81.11; ns2.bkdns.vn points to 2403:6a40:2000:247::220:1 and 103.3.247.220; ns3.bkdns.vn points to 2403:6a40:0:123::250:1 and 103.74.123.250.

Mail Servers

firststeps.edu.vn is handled by a single mail server, smtp81061.bkns.com.vn.

firststeps.edu.vn uses the same mail server setup as other domains, for instance tisasoft.com, thanhdattrading.vn, thehalifa.vn, vtlhp.vn and amazon.org.vn.

firststeps.edu.vn shares some mail servers with other domains, including okasa.vn, daitailoc.com, khanhlinh.vn and hatradecor.vn.

The host name smtp81061.bkns.com.vn points to IP 103.48.81.61.

firststeps.edu.vn - robtex.com