stdz.cn - dns.ninja

`stdz.cn`

DNSSEC	⚠️ Not signed
NS	`dns17.hichina.com` ⭐
		A	2408:4009:501::25^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.40^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.60^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.200^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.220^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.40^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.60^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.100^{🇨🇳 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	139.224.142.110^{🇨🇳 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	`dns18.hichina.com`
		A	2408:4009:501::26^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.38^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.61^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.198^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.222^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.38^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.61^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.98^{🇨🇳 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	139.224.142.108^{🇨🇳 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	`mxn.mxhichina.com` ⭐
		A	47.246.136.231^{🇺🇸 Alibaba-Cloud47.246.136.0/22 Alibaba CLoud}
			PTR	`cz-clare.com`
			PTR	`reachsmartdwell.com`
			PTR	`wevolt.tech`
		A	47.246.137.47^{🇺🇸 Alibaba-Cloud47.246.136.0/22 Alibaba CLoud}
MX	`mxw.mxhichina.com`⁽¹⁰⁾
		A	47.246.99.195^{🇺🇸 Alibaba-Cloud47.246.96.0/22 Proxy-registered route object}
			PTR	`reachsmartdwell.com`
TXT	`v=spf1 include:spf.mxhichina.com -all`
SOA	`dns17.hichina.com`hostmaster@hichina.com 2026-06-04 #13

`cn`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.dns.cn` ⭐
	NS	`b.dns.cn`
	NS	`c.dns.cn`
	NS	`d.dns.cn`
	NS	`e.dns.cn`
	NS	`ns.cernet.net` ⚠️ Not in parent delegation
	SOA	`a.dns.cn`root@cnnic.cn serial=2034990706

Same first word

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szdt.org

DNS History

21 records (4 active, 17 former)

○NSdns1.iidns.com2015-08-11 → 2016-07-16 · 4 obs

● 2015-08-11 11:50:04
● 2016-07-16 17:22:38
○ 2026-06-26 14:39:46
○ 2026-07-01 13:21:38

●NSdns17.hichina.com2026-06-26 → 2026-07-01 · 3 obs

○ 2016-07-16 17:22:38
● 2026-06-26 14:39:46
● 2026-07-01 13:21:38

●NSdns18.hichina.com2026-06-26 → 2026-07-01 · 3 obs

○ 2016-07-16 17:22:38
● 2026-06-26 14:39:46
● 2026-07-01 13:21:38

○NSdns2.iidns.com2015-08-11 → 2016-07-16 · 4 obs

● 2015-08-11 11:50:04
● 2016-07-16 17:22:38
○ 2026-06-26 14:39:46
○ 2026-07-01 13:21:38

○NSdns3.iidns.com2015-08-11 → 2016-07-16 · 4 obs

● 2015-08-11 11:50:04
● 2016-07-16 17:22:38
○ 2026-06-26 14:39:46
○ 2026-07-01 13:21:38

○NSdns4.iidns.com2015-08-11 → 2016-07-16 · 4 obs

● 2015-08-11 11:50:04
● 2016-07-16 17:22:38
○ 2026-06-26 14:39:46
○ 2026-07-01 13:21:38

○NSdns5.iidns.com2015-08-11 → 2016-07-16 · 4 obs

● 2015-08-11 11:50:04
● 2016-07-16 17:22:38
○ 2026-06-26 14:39:46
○ 2026-07-01 13:21:38

○NSdns6.iidns.com2015-08-11 → 2016-07-16 · 4 obs

● 2015-08-11 11:50:04
● 2016-07-16 17:22:38
○ 2026-06-26 14:39:46
○ 2026-07-01 13:21:38

●MXmxn.mxhichina.com2026-06-26 → 2026-07-01 · 2 obs

● 2026-06-26 14:39:46
● 2026-07-01 13:21:38

●MXmxw.mxhichina.com2026-06-26 → 2026-07-01 · 2 obs

● 2026-06-26 14:39:46
● 2026-07-01 13:21:38

○A198.148.92.1572015-12-08 → 2015-12-08 · 4 obs

○ 2015-08-11 11:50:04
● 2015-12-08 09:30:10
○ 2016-03-17 09:06:38
○ 2026-07-01 13:21:38

○A198.148.92.1582015-12-08 → 2015-12-08 · 4 obs

○ 2015-08-11 11:50:04
● 2015-12-08 09:30:10
○ 2016-03-17 09:06:38
○ 2026-07-01 13:21:38

○A198.148.92.492016-07-16 → 2016-07-16 · 4 obs

○ 2016-03-17 09:06:38
● 2016-07-16 17:22:38
○ 2026-06-26 14:39:46
○ 2026-07-01 13:21:38

○A198.148.92.502016-07-16 → 2016-07-16 · 4 obs

○ 2016-03-17 09:06:38
● 2016-07-16 17:22:38
○ 2026-06-26 14:39:46
○ 2026-07-01 13:21:38

○A198.148.92.532015-08-11 → 2015-08-11 · 3 obs

● 2015-08-11 11:50:04
○ 2017-05-22 16:05:04
○ 2026-07-01 13:21:38

○A198.148.92.542015-12-08 → 2015-12-08 · 4 obs

○ 2015-08-11 11:50:04
● 2015-12-08 09:30:10
○ 2016-03-17 09:06:38
○ 2026-07-01 13:21:38

○A198.148.92.562015-08-11 → 2016-03-17 · 4 obs

● 2015-08-11 11:50:04
● 2016-03-17 09:06:38
○ 2016-07-16 17:22:38
○ 2026-07-01 13:21:38

○A198.148.92.572016-03-17 → 2016-03-17 · 4 obs

○ 2015-12-08 09:30:10
● 2016-03-17 09:06:38
○ 2016-07-16 17:22:38
○ 2026-07-01 13:21:38

○A198.148.92.582015-08-11 → 2016-03-17 · 4 obs

● 2015-08-11 11:50:04
● 2016-03-17 09:06:38
○ 2016-07-16 17:22:38
○ 2026-07-01 13:21:38

○A198.148.92.622015-08-11 → 2015-08-11 · 3 obs

● 2015-08-11 11:50:04
○ 2017-05-22 16:05:04
○ 2026-07-01 13:21:38

○CNAMEfw.ename.net2015-08-11 → 2017-05-22 · 4 obs

● 2015-08-11 11:50:04
● 2017-05-22 16:05:04
○ 2026-06-26 14:39:46
○ 2026-07-01 13:21:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn...	-
stdz.cn	dns17.hichina.com, dns18.hichina.com	-

✅ Authoritative Response

Server:39.96.153.40

NS records: dns17.hichina.com, dns18.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for stdz.cn (unsigned zone)

⏱️ Timing

Total: 3434ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`dns18.hichina.com, dns17.hichina.com`
MX	2	`mxw.mxhichina.com (pri: 10), mxn.mxhichina.com (pri: 5)`
TXT	1	`v=spf1 include:spf.mxhichina.com -all`
SOA	1	`dns17.hichina.com hostmaster.hichina.com`

Analysis

Name Servers

stdz.cn is delegated to two name servers: dns17.hichina.com and dns18.hichina.com.

stdz.cn has the same name server delegation as a number of other domains, such as chimebiologics.com, 91laiqian.net, ksdtx.com and two more.

There is at least partial name server overlap between stdz.cn and other domains — puv.cn, chinala.org, lsairport.cn and two more among them.

These name servers tend to appear in combination with the name servers expirens3.hichina.com, expirens4.hichina.com, dns31.hichina.com and dns32.hichina.com.

Host names resolving to 9 IP numbers:

dns17.hichina.com resolves to 39.96.153.40, 39.96.153.60, 47.118.199.200 and 6 other IP addresses.

dns18.hichina.com resolves to 39.96.153.38, 39.96.153.61, 47.118.199.198 and 6 other IP addresses.

Mail Servers

The MX records for stdz.cn point to two mail servers: mxn.mxhichina.com and mxw.mxhichina.com.

stdz.cn has the same mail server arrangement as a number of other domains, for example nbnewpai.com, unicornmodel.com, qinfengchina.com and two more.

stdz.cn shares at least some of its mail servers with other domains — for example medycon.com, key-stone.com.cn, datadirect-china.com and two more.

These mail servers are routinely found in combination with the mail servers mx1.qiye.aliyun.com, mx2.qiye.aliyun.com and mx3.qiye.aliyun.com.

Hosts with two IP numbers each:

mxn.mxhichina.com points to 47.246.136.231 and 47.246.137.47.

Hosts that resolve to one IP address:

mxw.mxhichina.com points to 47.246.99.195.