`mail.securityvietnam.com`

DNSSEC	⚠️ Not signed
A	165.99.16.174^{MOBIFONE-AS-VN165.99.16.0/23 COMI-VN}
		PTR	`mail.securityvietnam.com`

`securityvietnam.com`

	DNSSEC	⚠️ Not signed
	A	103.28.36.94^{🇻🇳 NHAN-HOA-AS-VN103.28.36.0/22 NHANHOA-VN}
	NS	`ns1.zonedns.vn` ⭐ ⚠️ Not in parent delegation
	NS	`ns1.novasoft.vn` ⚠️ Not in zone NS records
	NS	`ns2.novasoft.vn` ⚠️ Not in zone NS records
	NS	`ns2.zonedns.vn` ⚠️ Not in parent delegation
	NS	`ns3.novasoft.vn` ⚠️ Not in zone NS records
	NS	`ns3.zonedns.vn` ⚠️ Not in parent delegation
	NS	`ns4.novasoft.vn` ⚠️ Not in zone NS records
	MX	`mail.securityvietnam.com` ⭐
	TXT	`v=spf1 ip4:171.244.26.251 ip4:165.99.16.174 include:_spf.itcweb.net ~all`
	TXT	`google-site-verification=a2NvAPSdD_uhjjxLGTmPRS9hYwtwdWScQjMbCBzWHF0`
	SOA	`ns1.zonedns.vn`root@securityvietnam.com 2026-04-13 #1

PTR for

174.16.99.165.in-addr.arpa

251.0-24.26.244.171.in-addr.arpa

MX for

securityvietnam.com

Same first word

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DNS History

6 records (1 active, 5 former)

○A115.84.183.422015-07-18 → 2015-09-25 · 4 obs

● 2015-07-18 21:25:30
● 2015-09-25 13:13:20
○ 2015-10-06 07:33:18
○ 2026-04-27 03:40:18

○A118.69.195.1462016-08-11 → 2017-12-29 · 5 obs

○ 2016-08-01 17:32:58
● 2016-08-11 12:36:34
● 2017-12-29 14:47:02
○ 2018-02-13 16:54:38
○ 2026-04-27 03:40:18

○A125.253.112.1452018-02-13 → 2019-05-22 · 5 obs

○ 2017-12-29 14:47:02
● 2018-02-13 16:54:38
● 2019-05-22 09:41:44
○ 2026-02-20 11:20:20
○ 2026-04-27 03:40:18

●A165.99.16.1742026-04-07 → 2026-04-27 · 3 obs

○ 2026-03-30 14:04:00
● 2026-04-07 22:46:32
● 2026-04-27 03:40:18

○A171.244.26.2512026-02-20 → 2026-03-30 · 5 obs

○ 2019-05-22 09:41:44
● 2026-02-20 11:20:20
● 2026-03-30 14:04:00
○ 2026-04-07 22:46:32
○ 2026-04-27 03:40:18

○A222.255.237.1542015-10-06 → 2016-08-01 · 5 obs

○ 2015-09-25 13:13:20
● 2015-10-06 07:33:18
● 2016-08-01 17:32:58
○ 2016-08-11 12:36:34
○ 2026-04-27 03:40:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	k.gtld-servers.net, b.gtld-servers.net, m.gtld-servers.net, l.gtld-servers.net...	-
securityvietnam.com	ns1.novasoft.vn, ns2.novasoft.vn, ns3.novasoft.vn, ns4.novasoft.vn	-

✅ Authoritative Response

Server:103.28.39.159

NS records: ns1.novasoft.vn, ns2.novasoft.vn, ns3.novasoft.vn, ns4.novasoft.vn

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for securityvietnam.com (unsigned zone)

⏱️ Timing

Total: 2572ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`165.99.16.174`

Analysis

Mail Server Role

The mail server for securityvietnam.com is mail.securityvietnam.com.

IP Addresses

mail.securityvietnam.com points to a single IP number: 165.99.16.174.

mail.securityvietnam.com - robtex.com