`challengeme.vn`

DNSSEC	⚠️ Not signed
A	103.154.102.55^{🇻🇳 HARAVAN-AS-VN103.154.102.0/23 HARAVAN-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	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c21::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`pe-in-f26.1e100.net`
		A	192.178.155.27^{🇺🇸 Google192.178.155.0/24}
			PTR	`yuiadrs-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	2607:f8b0:4023:3003::1a^{🇺🇸 Google2607:f8b0::/32}
			PTR	`yulnkjt-in-f26.1e100.net`
		A	172.253.145.27^{🇺🇸 Google172.253.145.0/24}
			PTR	`yulnkjt-in-f27.1e100.net`
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
		A	2607:f8b0:4023:1015::1a^{🇺🇸 Google2607:f8b0::/32}
			PTR	`yudfwta-in-f26.1e100.net`
		A	172.253.135.27^{🇺🇸 Google172.253.135.0/24}
			PTR	`yudfwta-in-f27.1e100.net`
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:4025:c01::1b^{🇵🇱 Google2a00:1450:4025::/48}
			PTR	`rd-in-f27.1e100.net`
		A	142.250.147.27^{🇺🇸 Google142.250.147.0/24}
			PTR	`rd-in-f27.1e100.net`
TXT	`v=spf1 include:_spf.google.com ~all`
TXT	`google-site-verification=G5xIUuCZ6oztGjnOP-Q574aS9xkZjDg7Jez7Hxt8cRI`
SOA	`ns1.pavietnam.vn`hostmaster@challengeme.vn 2025-05-21 #30

`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=2030756257

Subdomains

www.challengeme.vn

Same first word

Similar names

emchallenge.de

mechallenge.com

DNS History

9 records (9 active, 0 former)

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

● 2026-05-10 23:48:48
● 2026-05-10 23:48:50

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

● 2026-05-10 23:48:48
● 2026-05-10 23:48:50

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

● 2026-05-10 23:48:48
● 2026-05-10 23:48:50

●MXalt1.aspmx.l.google.com2026-05-10 → 2026-05-10 · 2 obs

● 2026-05-10 23:48:48
● 2026-05-10 23:48:50

●MXalt2.aspmx.l.google.com2026-05-10 → 2026-05-10 · 2 obs

● 2026-05-10 23:48:48
● 2026-05-10 23:48:50

●MXalt3.aspmx.l.google.com2026-05-10 → 2026-05-10 · 2 obs

● 2026-05-10 23:48:48
● 2026-05-10 23:48:50

●MXalt4.aspmx.l.google.com2026-05-10 → 2026-05-10 · 2 obs

● 2026-05-10 23:48:48
● 2026-05-10 23:48:50

●MXaspmx.l.google.com2026-05-10 → 2026-05-10 · 2 obs

● 2026-05-10 23:48:48
● 2026-05-10 23:48:50

●A103.154.102.552026-05-10 → 2026-05-10 · 2 obs

● 2026-05-10 23:48:48
● 2026-05-10 23:48:50

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
vn	a.dns-servers.vn, b.dns-servers.vn, c.dns-servers.vn, d.dns-servers.vn...	-
challengeme.vn	ns1.pavietnam.vn, ns2.pavietnam.vn, nsbak.pavietnam.net	4 records

✅ Authoritative Response

Server:222.255.121.247

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for challengeme.vn (unsigned zone)

⏱️ Timing

Total: 2341ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`103.154.102.55`
NS	3	`nsbak.pavietnam.net, ns2.pavietnam.vn...`
MX	5	`alt1.aspmx.l.google.com (pri: 5), alt3.aspmx.l.google.com (pri: 10)...`
TXT	2	`google-site-verification=G5xIUuCZ6oztGjn, v=spf1 include:_spf.google.com ~all`
SOA	1	`ns1.pavietnam.vn hostmaster.challengeme.`