`smartcityos.com`

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	`mx.ym.163.com` ⭐
		A	111.124.200.35^{🇨🇳 AS139203111.124.192.0/19 GuiZhou telecom GuiAn IDC}
TXT	`v=spf1 include:spf.163.com ~all`
SOA	`dns17.hichina.com`hostmaster@hichina.com 2026-05-28 #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=1785089672

Same first word

smartcityos.com

Similar names

mysticroast.com

storymatics.com

DNS History

4 records (3 active, 1 former)

●NSdns17.hichina.com2015-06-13 → 2026-07-26 · 2 obs

● 2015-06-13 20:30:40
● 2026-07-26 18:30:44

●NSdns18.hichina.com2015-06-13 → 2026-07-26 · 2 obs

● 2015-06-13 20:30:40
● 2026-07-26 18:30:44

●MXmx.ym.163.com2026-07-14 → 2026-07-26 · 2 obs

● 2026-07-14 02:33:02
● 2026-07-26 18:30:44

○A112.74.103.1772015-06-13 → 2016-04-09 · 4 obs

● 2015-06-13 20:30:40
● 2016-04-09 13:37:32
○ 2017-02-08 05:08:04
○ 2026-07-26 18:30:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	d.gtld-servers.net, a.gtld-servers.net, b.gtld-servers.net, f.gtld-servers.net...	-
smartcityos.com	dns17.hichina.com, dns18.hichina.com	18 records

✅ Authoritative Response

Server:120.76.107.38

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for smartcityos.com (unsigned zone)

⏱️ Timing

Total: 492ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`dns17.hichina.com, dns18.hichina.com`
MX	1	`mx.ym.163.com (pri: 10)`
TXT	1	`v=spf1 include:spf.163.com ~all`
SOA	1	`dns17.hichina.com hostmaster.hichina.com`

📌 Glue Records Collected

Total: 18

Out-of-bailiwick: 18 (dns17.hichina.com, dns17.hichina.com, dns17.hichina.com...)

Analysis

Name Servers

Two name servers handle the delegation for smartcityos.com: dns17.hichina.com and dns18.hichina.com.

smartcityos.com uses the same name servers as several other domains — among them iidance.com, pister.com.cn, yghang.com and two more.

The name servers for smartcityos.com are partially shared with other domains like barbara.cn, davies.cn and icarbide.com

These name servers tend to be deployed in combination with the name servers ns1.alidns.com and ns2.alidns.com.

Hostnames that resolve to 9 IP addresses:

dns17.hichina.com resolves to 39.96.153.40, 39.96.153.60 and 47.118.199.200 among others, with 6 other IP addresses in total.

dns18.hichina.com resolves to 39.96.153.38, 39.96.153.61 and 47.118.199.198 among others, with 6 other IP addresses in total.

Mail Servers

Mail for smartcityos.com is handled by a single mail server, mx.ym.163.com.

smartcityos.com uses an identical mail server configuration to several other domains — among them kiseki.cn, yzhu.name, yxghgz.com and two more.

smartcityos.com has at least partial mail server overlap with other domains such as zba.org.cn, haqos.com, cora.cn and two more.

This set of mail servers commonly appears together with the mail servers mxbiz1.qq.com.

mx.ym.163.com carries a single IP number, which is 111.124.200.35.

smartcityos.com - robtex.com

smartcityos.com

com