`controller.sp.edu.vn`

	DNSSEC	⚠️ Not signed
	A	64.29.17.65^{🇺🇸 Amazon64.29.17.0/24 EC2 Prefix}
	A	216.198.79.65^{🇺🇸 Amazon216.198.79.0/24 EC2 Prefix}

`sp.edu.vn`

	DNSSEC	⚠️ Not signed
	A	64.29.17.65^{🇺🇸 Amazon64.29.17.0/24 EC2 Prefix}
	A	216.198.79.65^{🇺🇸 Amazon216.198.79.0/24 EC2 Prefix}
	NS	`ns1.vercel-dns.com` ⭐
	NS	`ns2.vercel-dns.com`
	SOA	`ns1.vercel-dns.com`hostmaster@nsone.net serial=1757122734

Same first word

Similar names

trollercon.com

torreonllc.com

rollecontr.rest

DNS History

4 records (2 active, 2 former)

○A216.198.79.12026-05-01 → 2026-05-01 · 3 obs

● 2026-05-01 01:19:52
○ 2026-05-01 04:27:34
○ 2026-05-02 00:03:18

●A216.198.79.652026-05-01 → 2026-05-02 · 3 obs

○ 2026-05-01 01:19:52
● 2026-05-01 04:27:34
● 2026-05-02 00:03:18

○A64.29.17.12026-05-01 → 2026-05-01 · 3 obs

● 2026-05-01 01:19:52
○ 2026-05-01 04:27:34
○ 2026-05-02 00:03:18

●A64.29.17.652026-05-01 → 2026-05-02 · 3 obs

○ 2026-05-01 01:19:52
● 2026-05-01 04:27:34
● 2026-05-02 00:03:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
vn	c.dns-servers.vn, a.dns-servers.vn, e.dns-servers.vn, g.dns-servers.vn...	-
sp.edu.vn	ns2.vercel-dns.com, ns1.vercel-dns.com	-

✅ Authoritative Response

Server:198.51.44.13

NS records: ns2.vercel-dns.com, ns1.vercel-dns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sp.edu.vn (unsigned zone)

⏱️ Timing

Total: 825ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`216.198.79.65, 64.29.17.65`

Analysis

IP Addresses

controller.sp.edu.vn resolves to two IP numbers: 64.29.17.65 and 216.198.79.65.

other host names including mail.edna.edu.au, herranz.com.ar, vendfox.com, benittos.com and 1000sun.org share IP numbers with controller.sp.edu.vn.

controller.sp.edu.vn - robtex.com