`coa.vn`

DNSSEC	⚠️ Not signed
A	151.101.1.195^{🇺🇸 Fastly151.101.0.0/22}
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	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4023:c03::1b^{🇺🇸 Google2607:f8b0::/32}
			PTR	`dy-in-f27.1e100.net`
		A	74.125.137.27^{🇺🇸 Google74.125.137.0/24}
			PTR	`dy-in-f27.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c0f::1b^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.27^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f27.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:400b:c02::1b^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f27.1e100.net`
		A	172.253.116.27^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f27.1e100.net`
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:4009:c0f::1b^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrs-in-f27.1e100.net`
		A	192.178.223.27^{🇺🇸 Google192.178.223.0/24}
			PTR	`yulhrs-in-f27.1e100.net`
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:400c:c00::1b^{🇧🇪 Google2a00:1450:400c::/48}
			PTR	`ws-in-f27.1e100.net`
			PTR	`ws-in-x1b.1e100.net`
		A	173.194.76.26^{🇺🇸 Google173.194.76.0/24}
			PTR	`ws-in-f26.1e100.net`
TXT	`firebase=ccmn-e59c2`
TXT	`48dc46a10d6cff1bea25c0ab8b0d60e2`
TXT	`globalsign-domain-verification=3ciQCBKyhdWapKNABMR26YfHZobo7aqosPN1K4adyy`
SOA	`ns1.pavietnam.vn`hostmaster@coa.vn 2024-10-01 #33

`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=2030751815

⚠️ On DNS blocklist: tif

Same first word

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coa.ac.jp

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coa.org.vn

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DNS History

9 records (9 active, 0 former)

●NSns1.pavietnam.vn2026-05-03 → 2026-05-09 · 2 obs

● 2026-05-03 10:24:46
● 2026-05-09 14:35:40

●NSns2.pavietnam.vn2026-05-03 → 2026-05-09 · 2 obs

● 2026-05-03 10:24:46
● 2026-05-09 14:35:40

●NSnsbak.pavietnam.net2026-05-03 → 2026-05-09 · 2 obs

● 2026-05-03 10:24:46
● 2026-05-09 14:35:40

●MXalt1.aspmx.l.google.com2026-05-03 → 2026-05-09 · 2 obs

● 2026-05-03 10:24:46
● 2026-05-09 14:35:40

●MXalt2.aspmx.l.google.com2026-05-03 → 2026-05-09 · 2 obs

● 2026-05-03 10:24:46
● 2026-05-09 14:35:40

●MXalt3.aspmx.l.google.com2026-05-03 → 2026-05-09 · 2 obs

● 2026-05-03 10:24:46
● 2026-05-09 14:35:40

●MXalt4.aspmx.l.google.com2026-05-03 → 2026-05-09 · 2 obs

● 2026-05-03 10:24:46
● 2026-05-09 14:35:40

●MXaspmx.l.google.com2026-05-03 → 2026-05-09 · 2 obs

● 2026-05-03 10:24:46
● 2026-05-09 14:35:40

●A151.101.1.1952026-05-03 → 2026-05-09 · 2 obs

● 2026-05-03 10:24:46
● 2026-05-09 14:35:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
vn	d.dns-servers.vn, e.dns-servers.vn, a.dns-servers.vn, f.dns-servers.vn...	-
coa.vn	nsbak.pavietnam.net, ns2.pavietnam.vn, ns1.pavietnam.vn	4 records

✅ Authoritative Response

Server:112.213.89.3

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

🔒 DNSSEC Status

❌ Bogus (DNSSEC validation failed)

Validation error at coa.vn: Error: DNS query timeout: 203.119.44.105 for DS coa.vn

⏱️ Timing

Total: 4964ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`151.101.1.195`
NS	3	`ns1.pavietnam.vn, ns2.pavietnam.vn...`
MX	5	`aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...`
TXT	3	`firebase=ccmn-e59c2, globalsign-domain-verification=3ciQCBKyh...`
SOA	1	`ns1.pavietnam.vn hostmaster.coa.vn`