`now.ac.vn`

DNSSEC	⚠️ Not signed
A	103.28.36.218^{🇻🇳 NHAN-HOA-AS-VN103.28.36.0/22 NHANHOA-VN}
		PTR	`share-dedi08.nhanhoa.com`
NS	`ns1.zonedns.vn` ⭐
		A	2401:c080:1400:1cd4:5400:5ff:fe80:ec33^{🇸🇬 AS-VULTR2401:c080:1400::/38 Vultr Assigned Prefix}
		A	64.176.84.220^{🇸🇬 AS-VULTR64.176.80.0/20 Vultr Assigned Prefix}
			PTR	`ns1.zonedns.vn`
NS	`ns2.zonedns.vn`
		A	2401:c080:1400:1cd4:5400:5ff:fe80:ec33^{🇸🇬 AS-VULTR2401:c080:1400::/38 Vultr Assigned Prefix}
		A	103.176.178.51^{🇻🇳 NHAN-HOA-AS-VN103.176.178.0/24 NINETECH-VN}
NS	`ns3.zonedns.vn`
		A	2001:df1:3200::15^{🇻🇳 NHAN-HOA-AS-VN2001:df1:3200::/48 NHANHOA-VN}
		A	103.28.36.30^{🇻🇳 NHAN-HOA-AS-VN103.28.36.0/22 NHANHOA-VN}
NS	`ns4.zonedns.vn`
		A	2001:df1:3200::15^{🇻🇳 NHAN-HOA-AS-VN2001:df1:3200::/48 NHANHOA-VN}
		A	103.28.39.159^{🇻🇳 NHAN-HOA-AS-VN103.28.36.0/22 NHANHOA-VN}
MX	`now-ac-vn.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:cc09::^{🇸🇬 Microsoft2a01:111:f000::/36}
			PTR	`mail-sg2pr03cu00500.inbound.protection.outlook.com`
		A	2a01:111:f403:cc1a::8^{🇯🇵 Microsoft2a01:111:f000::/36}
			PTR	`mail-tydpr03cu00100.inbound.protection.outlook.com`
		A	2a01:111:f403:cc1f::4^{🇯🇵 Microsoft2a01:111:f000::/36}
			PTR	`mail-os8pr02cu00104.inbound.protection.outlook.com`
		A	52.101.124.117^{🇯🇵 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-tydpr03cu00105.inbound.protection.outlook.com`
		A	52.101.137.0^{🇸🇬 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sg2pr03cu00500.inbound.protection.outlook.com`
		A	52.101.157.80^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-os8pr02cu00100.inbound.protection.outlook.com`
MX	`ms79876551.msv1.invalid`^(32767)
TXT	`v=spf1 include:spf.protection.outlook.com -all`
TXT	`MS=ms79876551`
TXT	`google-site-verification=1w8LaaOYtrzdeCN3g-hzjgR9WrcFPUEDOFUH2xBVPZ4`
SOA	`ns1.zonedns.vn`root@now.ac.vn 2025-04-29 #2

`ac.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=2017714762

WOT: SAFE (99/100)

Subdomains

webdisk.now.ac.vn

m.now.ac.vn

website.now.ac.vn

cpanel.now.ac.vn

cpcalendars.now.ac.vn

dddd.now.ac.vn

czasopismo.now.ac.vn

Same first word

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wno.com.br

own.cc

own.com.my

DNS History

7 records (7 active, 0 former)

●NSns1.zonedns.vn2026-04-21 → 2026-04-24 · 2 obs

● 2026-04-21 23:23:32
● 2026-04-24 05:30:38

●NSns2.zonedns.vn2026-04-21 → 2026-04-24 · 2 obs

● 2026-04-21 23:23:32
● 2026-04-24 05:30:38

●NSns3.zonedns.vn2026-04-21 → 2026-04-24 · 2 obs

● 2026-04-21 23:23:32
● 2026-04-24 05:30:38

●NSns4.zonedns.vn2026-04-21 → 2026-04-24 · 2 obs

● 2026-04-21 23:23:32
● 2026-04-24 05:30:38

●MXms79876551.msv1.invalid2026-04-21 → 2026-04-24 · 2 obs

● 2026-04-21 23:23:32
● 2026-04-24 05:30:38

●MXnow-ac-vn.mail.protection.outlook.com2026-04-21 → 2026-04-24 · 2 obs

● 2026-04-21 23:23:32
● 2026-04-24 05:30:38

●A103.28.36.2182026-04-21 → 2026-04-24 · 2 obs

● 2026-04-21 23:23:32
● 2026-04-24 05:30:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
vn	a.dns-servers.vn, b.dns-servers.vn, c.dns-servers.vn, d.dns-servers.vn...	-
now.ac.vn	ns3.zonedns.vn, ns4.zonedns.vn, ns2.zonedns.vn, ns1.zonedns.vn	-

✅ Authoritative Response

Server:103.176.178.51

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for now.ac.vn (unsigned zone)

⏱️ Timing

Total: 2248ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`103.28.36.218`
NS	4	`ns1.zonedns.vn, ns2.zonedns.vn...`
MX	2	`ms79876551.msv1.invalid (pri: 32767), now-ac-vn.mail.protection.outlook.com (p`
TXT	3	`google-site-verification=1w8LaaOYtrzdeCN, v=spf1 include:spf.protection.outlook.co...`
SOA	1	`ns1.zonedns.vn root.now.ac.vn`

Analysis

Hierarchy

now.ac.vn is a parent of webdisk.now.ac.vn, m.now.ac.vn, website.now.ac.vn, cpanel.now.ac.vn and cpcalendars.now.ac.vn, plus a few other host names.