`hzvacuum.com`

DNSSEC	⚠️ Not signed
NS	`ns1.chinanetsun.com` ⭐
		A	240e:96c:200:2e03::7^{🇨🇳 SHANGHAITELECOM240e:96c::/32 Chinanet Shanghai}
		A	180.235.66.112^{🇨🇳 SHANGHAITELECOM180.235.64.0/22 Chinanet Shanghai}
NS	`ns2.chinanetsun.com`
		A	240e:96c:200:2e03::70^{🇨🇳 SHANGHAITELECOM240e:96c::/32 Chinanet Shanghai}
		A	222.73.8.7^{🇨🇳 SHANGHAITELECOM222.73.8.0/21 SHIDC}
MX	`mxbiz1.qq.com` ⭐
MX	`mxbiz2.qq.com`⁽¹⁰⁾
TXT	`v=spf1 include:spf.mail.qq.com ~all`
SOA	`ns1.chinanetsun.com`task@netsun.com 2008-01-10 #17

`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=1776040182

Subdomains

www.hzvacuum.com

Same first word

hzvacuum.com

Similar names

zhvacuum.com

DNS History

6 records (4 active, 2 former)

●NSns1.chinanetsun.com2015-06-04 → 2026-04-13 · 2 obs

● 2015-06-04 23:58:12
● 2026-04-13 00:57:18

●NSns2.chinanetsun.com2015-06-04 → 2026-04-13 · 2 obs

● 2015-06-04 23:58:12
● 2026-04-13 00:57:18

○MXmx4.chinanetsun.com2015-06-04 → 2016-01-14 · 4 obs

● 2015-06-04 23:58:12
● 2016-01-14 15:20:50
○ 2016-04-01 21:41:06
○ 2026-04-13 00:57:18

○MXmx4a.chinanetsun.com2015-06-04 → 2016-01-14 · 4 obs

● 2015-06-04 23:58:12
● 2016-01-14 15:20:50
○ 2016-04-01 21:41:06
○ 2026-04-13 00:57:18

●MXmxbiz1.qq.com2016-04-01 → 2026-04-13 · 3 obs

○ 2016-01-14 15:20:50
● 2016-04-01 21:41:06
● 2026-04-13 00:57:18

●MXmxbiz2.qq.com2016-04-01 → 2026-04-13 · 3 obs

○ 2016-01-14 15:20:50
● 2016-04-01 21:41:06
● 2026-04-13 00:57:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
hzvacuum.com	ns1.chinanetsun.com, ns2.chinanetsun.com	4 records

✅ Authoritative Response

Server:180.235.66.112

NS records: ns1.chinanetsun.com, ns2.chinanetsun.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for hzvacuum.com (unsigned zone)

⏱️ Timing

Total: 552ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`ns1.chinanetsun.com, ns2.chinanetsun.com`
MX	2	`mxbiz1.qq.com (pri: 5), mxbiz2.qq.com (pri: 10)`
TXT	1	`v=spf1 include:spf.mail.qq.com ~all`
SOA	1	`ns1.chinanetsun.com task.netsun.com`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns1.chinanetsun.com, ns1.chinanetsun.com, ns2.chinanetsun.com...)

Analysis

Hierarchy

The parent of www.hzvacuum.com is hzvacuum.com.

Name Servers

Two name servers ns1.chinanetsun.com and ns2.chinanetsun.com handle the delegation for hzvacuum.com.

hzvacuum.com shares the same name server setup as other domains, for example ntacf.com, agricred.com, xxyhhg.com, combinewin.com and tlongagro.com.

Host names with two IP numbers:

ns1.chinanetsun.com points to 240e:96c:200:2e03::7 and 180.235.66.112.

ns2.chinanetsun.com points to 240e:96c:200:2e03::70 and 222.73.8.7.

Mail Servers

Two mail servers handle hzvacuum.com: mxbiz1.qq.com and mxbiz2.qq.com.

hzvacuum.com shares the same mail server setup as other domains, including dlseiwa.com, catrq.com, enjoyme.cn, aodsn.cn and lisound.cn.

hzvacuum.com shares some mail servers with other domains, at least partially, for instance bioeffect.com.hk, geke.cc, ai-bot.cn and alljobsearch.com.

hzvacuum.com - robtex.com

hzvacuum.com

com