`spec.org.vn`

DNSSEC	⚠️ Not signed
A	103.221.223.13^{🇻🇳 AZDIGI-AS-VN103.221.220.0/22 AZDIGI-VN}
NS	`ns1.pavietnam.vn` ⭐
		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.pavietnam.vn`
		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.pavietnam.net`
		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	`smtp.google.com` ⭐
		A	2607:f8b0:4004:c17::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bl-in-f26.1e100.net`
		A	2607:f8b0:4004:c17::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bl-in-f27.1e100.net`
		A	2607:f8b0:4004:c19::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bk-in-f26.1e100.net`
		A	2607:f8b0:4004:c19::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bk-in-f27.1e100.net`
		A	142.251.16.26^{🇺🇸 Google142.251.16.0/24}
			PTR	`bl-in-f26.1e100.net`
		A	142.251.16.27^{🇺🇸 Google142.251.16.0/24}
			PTR	`bl-in-f27.1e100.net`
		A	142.251.111.26^{🇺🇸 Google142.251.111.0/24}
			PTR	`bk-in-f26.1e100.net`
		A	142.251.111.27^{🇺🇸 Google142.251.111.0/24}
			PTR	`bk-in-f27.1e100.net`
		A	192.178.155.27^{🇺🇸 Google192.178.155.0/24}
			PTR	`ip-192-178-155-27.defastlink.net`
TXT	`google-site-verification=WJ6YsBAnarl5j1z6NZw5D-j69StmU1zGynOMVdF9y94`
SOA	`ns1.pavietnam.vn`hostmaster@spec.org.vn 2025-11-25 #10

`org.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=2017789945

WOT: SAFE (99/100)

Subdomains

www.spec.org.vn

Same first word

spec.com.tw

spec.pl

spec.co

spec.pro

spec.in

spec.systems

spec.org.vn

spec.fi

spec.si

spec.co.in

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spec.com.br

spec.university

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spec.me

spec.ws

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spec.tv

spec.com.au

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spec.to

spec.bc.ca

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spec.training

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spec.help

spec.bar

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cspe.hu

DNS History

5 records (5 active, 0 former)

●NSns1.pavietnam.vn2026-05-01 → 2026-05-10 · 2 obs

● 2026-05-01 06:57:34
● 2026-05-10 13:23:22

●NSns2.pavietnam.vn2026-05-01 → 2026-05-10 · 2 obs

● 2026-05-01 06:57:34
● 2026-05-10 13:23:22

●NSnsbak.pavietnam.net2026-05-01 → 2026-05-10 · 2 obs

● 2026-05-01 06:57:34
● 2026-05-10 13:23:22

●MXsmtp.google.com2026-05-01 → 2026-05-10 · 2 obs

● 2026-05-01 06:57:34
● 2026-05-10 13:23:22

●A103.221.223.132026-05-01 → 2026-05-10 · 2 obs

● 2026-05-01 06:57:34
● 2026-05-10 13:23:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
vn	a.dns-servers.vn, b.dns-servers.vn, c.dns-servers.vn, d.dns-servers.vn...	-
spec.org.vn	ns1.pavietnam.vn, ns2.pavietnam.vn, nsbak.pavietnam.net	-

✅ Authoritative Response

Server:112.213.89.3

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for spec.org.vn (unsigned zone)

⏱️ Timing

Total: 3365ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`103.221.223.13`
NS	3	`ns1.pavietnam.vn, ns2.pavietnam.vn...`
MX	1	`smtp.google.com (pri: 1)`
TXT	1	`google-site-verification=WJ6YsBAnarl5j1z`
SOA	1	`ns1.pavietnam.vn hostmaster.spec.org.vn`