`qkbuilding.com`

DNSSEC	⚠️ Not signed
A	2408:400a:81:74fe:d0e3:d88a:8e02:69cf^{🇨🇳 Alibaba-Cloud2408:400a::/33}
A	47.94.145.30^{🇨🇳 Alibaba-Cloud47.94.0.0/15 CT BeiJing IDC}
NS	`ns1.alidns.com` ⭐
		A	2408:4009:501::1^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.45^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.55^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.205^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.215^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.45^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.55^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.115^{🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
		A	139.224.142.125^{🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
NS	`ns2.alidns.com`
		A	2408:4009:501::2^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.46^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.56^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.206^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.216^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.46^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.56^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.116^{🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
		A	139.224.142.126^{🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
MX	`mxbiz1.qq.com` ⭐
MX	`mxbiz2.qq.com` ⭐
TXT	`v=spf1 include:spf.mail.qq.com ~all`
SOA	`ns1.alidns.com`hostmaster@hichina.com 2026-01-12 #9

`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=1783822952

Subdomains

mail.qkbuilding.com

Same first word

qkbuilding.com

DNS History

13 records (6 active, 7 former)

●NSns1.alidns.com2026-03-01 → 2026-07-12 · 3 obs

○ 2020-02-12 02:21:24
● 2026-03-01 11:27:12
● 2026-07-12 02:39:32

○NSns1.myhostadmin.net2015-07-02 → 2020-02-12 · 4 obs

● 2015-07-02 14:39:36
● 2020-02-12 02:21:24
○ 2026-03-01 11:27:12
○ 2026-07-12 02:39:32

●NSns2.alidns.com2026-03-01 → 2026-07-12 · 3 obs

○ 2020-02-12 02:21:24
● 2026-03-01 11:27:12
● 2026-07-12 02:39:32

○NSns2.myhostadmin.net2015-10-18 → 2020-02-12 · 5 obs

○ 2015-07-02 14:39:36
● 2015-10-18 10:22:30
● 2020-02-12 02:21:24
○ 2026-03-01 11:27:12
○ 2026-07-12 02:39:32

○NSns3.myhostadmin.net2015-10-18 → 2020-02-12 · 5 obs

○ 2015-07-02 14:39:36
● 2015-10-18 10:22:30
● 2020-02-12 02:21:24
○ 2026-03-01 11:27:12
○ 2026-07-12 02:39:32

○NSns4.myhostadmin.net2015-10-18 → 2020-02-12 · 5 obs

○ 2015-07-02 14:39:36
● 2015-10-18 10:22:30
● 2020-02-12 02:21:24
○ 2026-03-01 11:27:12
○ 2026-07-12 02:39:32

○NSns5.myhostadmin.net2015-10-18 → 2020-02-12 · 5 obs

○ 2015-07-02 14:39:36
● 2015-10-18 10:22:30
● 2020-02-12 02:21:24
○ 2026-03-01 11:27:12
○ 2026-07-12 02:39:32

○NSns6.myhostadmin.net2015-10-18 → 2020-02-12 · 5 obs

○ 2015-07-02 14:39:36
● 2015-10-18 10:22:30
● 2020-02-12 02:21:24
○ 2026-03-01 11:27:12
○ 2026-07-12 02:39:32

●MXmxbiz1.qq.com2015-07-02 → 2026-07-12 · 2 obs

● 2015-07-02 14:39:36
● 2026-07-12 02:39:32

●MXmxbiz2.qq.com2015-07-02 → 2026-07-12 · 2 obs

● 2015-07-02 14:39:36
● 2026-07-12 02:39:32

●A2408:400a:81:74fe:d0e3:d88a:8e02:69cf2026-03-01 → 2026-07-12 · 3 obs

○ 2020-02-12 02:21:24
● 2026-03-01 11:27:12
● 2026-07-12 02:39:32

○A47.104.105.1952020-02-12 → 2020-02-12 · 3 obs

● 2020-02-12 02:21:24
○ 2026-03-01 11:27:12
○ 2026-07-12 02:39:32

●A47.94.145.302026-03-01 → 2026-07-12 · 3 obs

○ 2020-02-12 02:21:24
● 2026-03-01 11:27:12
● 2026-07-12 02:39:32

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
qkbuilding.com	ns1.alidns.com, ns2.alidns.com	18 records

✅ Authoritative Response

Server:120.76.107.46

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for qkbuilding.com (unsigned zone)

⏱️ Timing

Total: 696ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`47.94.145.30`
AAAA	1	`2408:400a:81:74fe:d0e3:d88a:8e02:69cf`
NS	2	`ns2.alidns.com, ns1.alidns.com`
MX	2	`mxbiz2.qq.com (pri: 10), mxbiz1.qq.com (pri: 10)`
TXT	1	`v=spf1 include:spf.mail.qq.com ~all`
SOA	1	`ns1.alidns.com hostmaster.hichina.com`

📌 Glue Records Collected

Total: 18

Out-of-bailiwick: 18 (ns1.alidns.com, ns1.alidns.com, ns1.alidns.com...)

Analysis

Hierarchy

mail.qkbuilding.com is delegated beneath qkbuilding.com.

IP Addresses

qkbuilding.com points to the IP addresses 47.94.145.30 and 2408:400a:81:74fe:d0e3:d88a:8e02:69cf

Name Servers

Two name servers handle the delegation for qkbuilding.com: ns1.alidns.com and ns2.alidns.com.

qkbuilding.com has the same name server delegation as a number of other domains, such as 471c9ed931019.beer, 664777.com, 5a76c9b0d1017.beer and two more.

There is at least partial name server overlap between qkbuilding.com and other domains — 11154.com, tedx.cn, xrwe6459lmbz.yachts and two more among them.

These name servers tend to appear in combination with the name servers ns7.alidns.com, ns8.alidns.com, dns19.hichina.com and dns20.hichina.com.

Host names resolving to 9 IP numbers:

ns1.alidns.com resolves to 39.96.153.45, 39.96.153.55 and 47.118.199.205 among others, with 6 other IP addresses in total.

ns2.alidns.com resolves to 39.96.153.46, 39.96.153.56 and 47.118.199.206 among others, with 6 other IP addresses in total.

Mail Servers

The MX records for qkbuilding.com point to two mail servers: mxbiz1.qq.com and mxbiz2.qq.com.

qkbuilding.com has the same mail server arrangement as a number of other domains, for example homelifexpo.com, 3aerp.com, sinomall.net and two more.

qkbuilding.com uses mail servers that are also used by other domains, including irybd.com, szfyxy.cn and chyxd.com.cn.

qkbuilding.com - robtex.com

qkbuilding.com

com

Subdomains

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`qkbuilding.com`

`com`