`kangaroo-math.vn`

DNSSEC	⚠️ Not signed
A	118.70.182.235^{🇻🇳 FPT-AS-AP118.70.176.0/20 Vietnam Internet Network Information Center (VNNIC) 18 Nguyen Du Str, Hai Ba Trung District, Hanoi City, Vietnam 10th floor, MITEC Tower, Duong Dinh Nghe, Cau Giay, Hanoi}
		PTR	`mail.mclb.edu.vn`
NS	`ns1.pavietnam.vn` ⭐ ⚠️ Not in zone NS records
		A	2406:9c80::66^{🇻🇳 SUPERDATA2406:9c80::/48 -VN}
			PTR	`ns1.dotvndns.vn`
		A	112.213.89.3^{🇻🇳 SUPERDATA112.213.89.0/24 Vietnam Internet Network Information Center (VNNIC) 18 Nguyen Du Str, Hai Ba Trung District, Hanoi City, Vietnam 24th floor, VNTA Tower, Duong Dinh Nghe, Cau Giay, Hanoi}
			PTR	`ns1.dotvndns.vn`
NS	`ns1.dotvndns.vn` ⚠️ Not in parent delegation
		A	2406:9c80::66^{🇻🇳 SUPERDATA2406:9c80::/48 -VN}
			PTR	`ns1.dotvndns.vn`
		A	112.213.89.3^{🇻🇳 SUPERDATA112.213.89.0/24 Vietnam Internet Network Information Center (VNNIC) 18 Nguyen Du Str, Hai Ba Trung District, Hanoi City, Vietnam 24th floor, VNTA Tower, Duong Dinh Nghe, Cau Giay, Hanoi}
			PTR	`ns1.dotvndns.vn`
NS	`ns2.dotvndns.vn` ⚠️ Not in parent delegation
		A	2406:9c80::9000:111^{🇻🇳 SUPERDATA2406:9c80::/48 -VN}
			PTR	`ns2.dotvndns.vn`
		A	222.255.121.247^{🇻🇳 VDC222.255.121.0/24 VNPT}
			PTR	`static.vdc.vn`
			PTR	`static.vnpt.vn`
NS	`ns2.pavietnam.vn` ⚠️ Not in zone NS records
		A	2406:9c80::9000:111^{🇻🇳 SUPERDATA2406:9c80::/48 -VN}
			PTR	`ns2.dotvndns.vn`
		A	222.255.121.247^{🇻🇳 VDC222.255.121.0/24 VNPT}
			PTR	`static.vdc.vn`
			PTR	`static.vnpt.vn`
NS	`nsbak.dotvndns.com` ⚠️ Not in parent delegation
		A	2406:9c80::9000:302^{🇻🇳 SUPERDATA2406:9c80::/48 -VN}
			PTR	`nsbak.dotvndns.com`
		A	112.213.89.22^{🇻🇳 SUPERDATA112.213.89.0/24 Vietnam Internet Network Information Center (VNNIC) 18 Nguyen Du Str, Hai Ba Trung District, Hanoi City, Vietnam 24th floor, VNTA Tower, Duong Dinh Nghe, Cau Giay, Hanoi}
			PTR	`ns8922.dotvndns.vn`
NS	`nsbak.pavietnam.net` ⚠️ Not in zone NS records
		A	2406:9c80::9000:302^{🇻🇳 SUPERDATA2406:9c80::/48 -VN}
			PTR	`nsbak.dotvndns.com`
		A	112.213.89.22^{🇻🇳 SUPERDATA112.213.89.0/24 Vietnam Internet Network Information Center (VNNIC) 18 Nguyen Du Str, Hai Ba Trung District, Hanoi City, Vietnam 24th floor, VNTA Tower, Duong Dinh Nghe, Cau Giay, Hanoi}
			PTR	`ns8922.dotvndns.vn`
MX	`mail.kangaroo-math.vn` ⭐
		A	210.245.86.61^{🇻🇳 FPT-AS-AP210.245.86.0/24 Vietnam Internet Network Information Center (VNNIC) 18 Nguyen Du Str, Hai Ba Trung District, Hanoi City, Vietnam 10th floor, MITEC Tower, Duong Dinh Nghe, Cau Giay, Hanoi}
			PTR	`webhost53.fptdata.com`
TXT	`v=spf1 mx a:kangaroo-math.vn ip4:210.245.86.61 -all`
SOA	`ns1.pavietnam.vn`hostmaster@kangaroo-math.vn 2025-03-11 #54

`vn`

	DNSSEC	🔒 Signed (DS record present)
	NS	`dns-master.vnnic.vn` ⭐
	NS	`a.dns-servers.vn`
	NS	`b.dns-servers.vn`
	NS	`c.dns-servers.vn`
	NS	`d.dns-servers.vn`
	NS	`e.dns-servers.vn`
	NS	`f.dns-servers.vn`
	NS	`g.dns-servers.vn`
	NS	`h.dns-servers.vn`
	SOA	`dns-master.vnnic.vn`postmaster@vnnic.vn serial=2030650603

Subdomains

mail.kangaroo-math.vn

Same first word

kangaroo-math.vn

DNS History

11 records (8 active, 3 former)

○NSdns21.fpt.vn2018-05-06 → 2018-05-06 · 3 obs

● 2018-05-06 21:21:48
○ 2026-03-05 21:20:04
○ 2026-04-12 01:50:58

○NSdns22.fpt.vn2018-05-06 → 2018-05-06 · 3 obs

● 2018-05-06 21:21:48
○ 2026-03-05 21:20:04
○ 2026-04-12 01:50:58

●NSns1.dotvndns.vn2026-03-05 → 2026-04-12 · 3 obs

○ 2018-05-06 21:21:48
● 2026-03-05 21:20:04
● 2026-04-12 01:50:58

●NSns1.pavietnam.vn2026-03-05 → 2026-04-12 · 3 obs

○ 2018-05-06 21:21:48
● 2026-03-05 21:20:04
● 2026-04-12 01:50:58

●NSns2.dotvndns.vn2026-03-05 → 2026-04-12 · 3 obs

○ 2018-05-06 21:21:48
● 2026-03-05 21:20:04
● 2026-04-12 01:50:58

●NSns2.pavietnam.vn2026-03-05 → 2026-04-12 · 3 obs

○ 2018-05-06 21:21:48
● 2026-03-05 21:20:04
● 2026-04-12 01:50:58

●NSnsbak.dotvndns.com2026-03-05 → 2026-04-12 · 3 obs

○ 2018-05-06 21:21:48
● 2026-03-05 21:20:04
● 2026-04-12 01:50:58

●NSnsbak.pavietnam.net2026-03-05 → 2026-04-12 · 3 obs

○ 2018-05-06 21:21:48
● 2026-03-05 21:20:04
● 2026-04-12 01:50:58

●MXmail.kangaroo-math.vn2018-05-06 → 2026-04-12 · 2 obs

● 2018-05-06 21:21:48
● 2026-04-12 01:50:58

●A118.70.182.2352026-03-05 → 2026-04-12 · 3 obs

○ 2018-05-06 21:21:48
● 2026-03-05 21:20:04
● 2026-04-12 01:50:58

○A139.162.47.2132018-05-06 → 2018-05-06 · 3 obs

● 2018-05-06 21:21:48
○ 2026-03-05 21:20:04
○ 2026-04-12 01:50:58

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
vn	g.dns-servers.vn, c.dns-servers.vn, a.dns-servers.vn, e.dns-servers.vn...	16 records
kangaroo-math.vn	ns2.pavietnam.vn, nsbak.pavietnam.net, ns1.pavietnam.vn	4 records

✅ Authoritative Response

Server:112.213.89.3

NS records: ns2.pavietnam.vn, nsbak.pavietnam.net, ns1.pavietnam.vn

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for kangaroo-math.vn (unsigned zone)

⏱️ Timing

Total: 2014ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`118.70.182.235`
NS	3	`ns2.dotvndns.vn, ns1.dotvndns.vn...`
MX	1	`mail.kangaroo-math.vn (pri: 10)`
TXT	1	`v=spf1 mx a:kangaroo-math.vn ip4:210.245`
SOA	1	`ns1.pavietnam.vn hostmaster.kangaroo-mat`

📌 Glue Records Collected

Total: 20

In-bailiwick: 16 (h.dns-servers.vn, g.dns-servers.vn, f.dns-servers.vn...)

Out-of-bailiwick: 4 (ns1.pavietnam.vn, ns2.pavietnam.vn, ns1.pavietnam.vn...)

Analysis

Hierarchy

kangaroo-math.vn is a parent of mail.kangaroo-math.vn.

IP Addresses

kangaroo-math.vn points to a single IP number: 118.70.182.235.

Name Servers

kangaroo-math.vn is delegated to six name servers: nsbak.dotvndns.com, nsbak.pavietnam.net, ns1.dotvndns.vn, ns2.dotvndns.vn, ns1.pavietnam.vn and ns2.pavietnam.vn.

kangaroo-math.vn at least partially shares name servers with other domains, for instance thegioigiaitri.com.vn, kiettel.com, watacorp.com, itcs.com.vn and acemusic.com.vn.