`sieuthithangmay.com`

DNSSEC	⚠️ Not signed
A	103.254.12.58^{🇻🇳 BIZMAC-VN-AS103.254.12.0/24 BIZMAC-VN}
		PTR	`web04.bizmac.vn`
NS	`ns1.bizmac.net` ⭐
		A	45.117.76.241^{🇻🇳 BIZMAC-VN-AS45.117.76.0/24 BIZMAC-VN}
			PTR	`ns1.bizmac.net`
NS	`ns2.bizmac.net`
		A	103.238.215.29^{🇻🇳 VTN-1103.238.215.0/24 Vietnam Post and Telecom Corporation (VNPT)}
			PTR	`ns2.bizmac.net`
NS	`ns3.bizmac.net`
		A	45.117.78.29^{🇻🇳 BIZMAC-VN-AS45.117.78.0/24 BIZMAC-VN}
			PTR	`ns3.bizmac.net`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c19::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bk-in-f27.1e100.net`
		A	172.253.62.27^{🇺🇸 Google172.253.62.0/24}
			PTR	`bc-in-f27.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2607:f8b0:4003:c30::1b^{🇺🇸 Google2607:f8b0:4003::/48}
			PTR	`yutulis-in-f27.1e100.net`
		A	74.125.27.26^{🇺🇸 Google74.125.27.0/24}
			PTR	`yutulis-in-f26.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2607:f8b0:4001:c70::1a^{🇺🇸 Google2607:f8b0:4001::/48}
			PTR	`yucbful-in-f26.1e100.net`
		A	192.178.209.26^{🇺🇸 Google192.178.209.0/24}
			PTR	`yucbful-in-f26.1e100.net`
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
		A	2607:f8b0:4024:c0d::1b^{🇺🇸 Google2607:f8b0::/32}
			PTR	`mj-in-f27.1e100.net`
		A	192.178.152.26^{🇺🇸 Google192.178.152.0/24}
			PTR	`mj-in-f26.1e100.net`
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
		A	2607:f8b0:4023:403::1a^{🇺🇸 Google2607:f8b0::/32}
			PTR	`gg-in-f26.1e100.net`
		A	142.250.96.27^{🇺🇸 Google142.250.96.0/24}
			PTR	`gg-in-f27.1e100.net`
TXT	`h1rd33x6wzb00tcltj2dfxlnjh8lvbft`
TXT	`google-site-verification=zNe8HwsbGYU7sPg-3xHal40eBA5OOBjq4P0Q9_ZJZec`
SOA	`ns1.bizmac.net`dns@bizmac.com 2023-11-22 #0

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1771291435

🔒 HSTS Preload (+subdomains)

Same first word

sieuthithangmay.com

DNS History

9 records (9 active, 0 former)

●NSns1.bizmac.net2026-02-16 → 2026-03-24 · 2 obs

● 2026-02-16 06:45:24
● 2026-03-24 02:24:40

●NSns2.bizmac.net2026-02-16 → 2026-03-24 · 2 obs

● 2026-02-16 06:45:24
● 2026-03-24 02:24:40

●NSns3.bizmac.net2026-02-16 → 2026-03-24 · 2 obs

● 2026-02-16 06:45:24
● 2026-03-24 02:24:40

●MXalt1.aspmx.l.google.com2026-02-16 → 2026-03-24 · 2 obs

● 2026-02-16 06:45:24
● 2026-03-24 02:24:40

●MXalt2.aspmx.l.google.com2026-02-16 → 2026-03-24 · 2 obs

● 2026-02-16 06:45:24
● 2026-03-24 02:24:40

●MXalt3.aspmx.l.google.com2026-02-16 → 2026-03-24 · 2 obs

● 2026-02-16 06:45:24
● 2026-03-24 02:24:40

●MXalt4.aspmx.l.google.com2026-02-16 → 2026-03-24 · 2 obs

● 2026-02-16 06:45:24
● 2026-03-24 02:24:40

●MXaspmx.l.google.com2026-02-16 → 2026-03-24 · 2 obs

● 2026-02-16 06:45:24
● 2026-03-24 02:24:40

●A103.254.12.582026-02-16 → 2026-03-24 · 2 obs

● 2026-02-16 06:45:24
● 2026-03-24 02:24:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	f.gtld-servers.net, k.gtld-servers.net, d.gtld-servers.net, g.gtld-servers.net...	-
sieuthithangmay.com	ns1.bizmac.net, ns2.bizmac.net, ns3.bizmac.net	-

✅ Authoritative Response

Server:45.117.78.29

NS records: ns1.bizmac.net, ns2.bizmac.net, ns3.bizmac.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sieuthithangmay.com (unsigned zone)

⏱️ Timing

Total: 2267ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`103.254.12.58`
NS	3	`ns1.bizmac.net, ns3.bizmac.net...`
MX	5	`alt2.aspmx.l.google.com (pri: 5), alt1.aspmx.l.google.com (pri: 5)...`
TXT	2	`google-site-verification=zNe8HwsbGYU7sPg, h1rd33x6wzb00tcltj2dfxlnjh8lvbft`
SOA	1	`ns1.bizmac.net dns.bizmac.com`