`mail.swt.vn`

	DNSSEC	⚠️ Not signed
	A	42.96.13.109^{🇻🇳 BKNS-AS-VN42.96.12.0/22 BKNS-VN}

`swt.vn`

	DNSSEC	⚠️ Not signed
	A	42.96.13.109^{🇻🇳 BKNS-AS-VN42.96.12.0/22 BKNS-VN}
	NS	`ns1.bkdns.vn` ⭐
	NS	`ns2.bkdns.vn`
	NS	`ns3.bkdns.vn` ⚠️ Not in parent delegation
	MX	`mail.swt.vn` ⭐
	TXT	`v=spf1 ip4:109.13.96.42 mx -all`
	SOA	`ns1.bkdns.vn`hostmaster@swt.vn 2023-06-05 #61

MX for

swt.vn

Same first word

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DNS History

1 record (1 active, 0 former)

●A42.96.13.1092026-05-31 → 2026-07-19 · 2 obs

● 2026-05-31 11:46:48
● 2026-07-19 18:20:58

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
vn	a.dns-servers.vn, b.dns-servers.vn, c.dns-servers.vn, d.dns-servers.vn...	-
swt.vn	ns2.bkdns.vn, ns1.bkdns.vn	2 records

✅ Authoritative Response

Server:103.48.81.11

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for swt.vn (unsigned zone)

⏱️ Timing

Total: 4282ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`42.96.13.109`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1.bkdns.vn, ns2.bkdns.vn)

Analysis

Mail Server Role

swt.vn uses mail.swt.vn as a mail server.

IP Addresses

mail.swt.vn resolves to one IP address: 42.96.13.109.

Additional host names — including swt.vn and sys.swt.vn — share IP numbers with mail.swt.vn.

mail.swt.vn - robtex.com

mail.swt.vn

swt.vn