`bjzzschool.com`

DNSSEC	⚠️ Not signed
A	219.235.224.118^{🇨🇳 NOVA-CN219.235.224.0/24}
NS	`dns15.hichina.com` ⭐
		A	2408:4009:501::23^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.42^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.52^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.202^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.212^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.42^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.52^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.112^{🇨🇳 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	139.224.142.122^{🇨🇳 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	`dns16.hichina.com`
		A	2408:4009:501::24^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.41^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.51^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.201^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.211^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.41^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.51^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.111^{🇨🇳 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	139.224.142.121^{🇨🇳 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`⁽¹⁰⁾
TXT	`v=spf1 include:spf.mail.qq.com ~all`
SOA	`dns15.hichina.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=1774611507

Same first word

bjzzschool.com

DNS History

7 records (5 active, 2 former)

●NSdns15.hichina.com2017-05-12 → 2026-03-27 · 2 obs

● 2017-05-12 00:14:50
● 2026-03-27 11:54:36

●NSdns16.hichina.com2017-05-12 → 2026-03-27 · 2 obs

● 2017-05-12 00:14:50
● 2026-03-27 11:54:36

●MXmxbiz1.qq.com2026-03-25 → 2026-03-27 · 3 obs

○ 2017-07-31 19:39:50
● 2026-03-25 13:32:32
● 2026-03-27 11:54:36

●MXmxbiz2.qq.com2026-03-25 → 2026-03-27 · 3 obs

○ 2017-07-31 19:39:50
● 2026-03-25 13:32:32
● 2026-03-27 11:54:36

○MXmxn.mxhichina.com2017-05-12 → 2017-07-31 · 4 obs

● 2017-05-12 00:14:50
● 2017-07-31 19:39:50
○ 2026-03-25 13:32:32
○ 2026-03-27 11:54:36

○MXmxw.mxhichina.com2017-05-12 → 2017-07-31 · 4 obs

● 2017-05-12 00:14:50
● 2017-07-31 19:39:50
○ 2026-03-25 13:32:32
○ 2026-03-27 11:54:36

●A219.235.224.1182026-03-25 → 2026-03-27 · 2 obs

● 2026-03-25 13:32:32
● 2026-03-27 11:54:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	f.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
bjzzschool.com	dns15.hichina.com, dns16.hichina.com	18 records

✅ Authoritative Response

Server:120.76.107.42

NS records: dns15.hichina.com, dns16.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for bjzzschool.com (unsigned zone)

⏱️ Timing

Total: 5014ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`219.235.224.118`
NS	2	`dns15.hichina.com, dns16.hichina.com`
MX	2	`mxbiz2.qq.com (pri: 10), mxbiz1.qq.com (pri: 5)`
TXT	1	`v=spf1 include:spf.mail.qq.com ~all`
SOA	1	`dns15.hichina.com hostmaster.hichina.com`

📌 Glue Records Collected

Total: 18

Out-of-bailiwick: 18 (dns15.hichina.com, dns15.hichina.com, dns15.hichina.com...)

Analysis

IP Addresses

bjzzschool.com resolves to one IP number: 219.235.224.118.

Name Servers

bjzzschool.com is delegated to two name servers dns15.hichina.com and dns16.hichina.com.

bjzzschool.com shares the same name server setup as other domains, for instance hankook-tires.com, 00x1.com, thursdaye.com, wubitu.com and yuv.cc.

bjzzschool.com at least partially shares name servers with other domains, for instance zy1998.net, manuseek.com, xn--zf0ap6k.biz, beeshare.com and metwarebio.com.

These name servers are commonly used with expirens3.hichina.com, expirens4.hichina.com and ns1.alidns.com.

Host names with nine IP numbers:

dns15.hichina.com points to: 2408:4009:501::23, 39.96.153.42, 39.96.153.52, 47.118.199.202, 47.118.199.212, 120.76.107.42, 120.76.107.52, 139.224.142.112 and 139.224.142.122.

dns16.hichina.com points to: 2408:4009:501::24, 39.96.153.41, 39.96.153.51, 47.118.199.201, 47.118.199.211, 120.76.107.41, 120.76.107.51, 139.224.142.111 and 139.224.142.121.

Mail Servers

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

bjzzschool.com shares the same mail server setup as other domains, for instance scbt.cn, e2work.com, linklink-iot.com, konetiki.com and sosg.net.

bjzzschool.com shares at least partially some mail servers with other domains, including pssupport.org, zyue.com and hhaaii.com.

bjzzschool.com - robtex.com

bjzzschool.com

com