smartclass.com.cn - dns.ninja

`smartclass.com.cn`

DNSSEC	⚠️ Not signed
A	114.215.19.189^{🇨🇳 Alibaba-Cloud114.215.0.0/18 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
NS	`dns25.hichina.com` ⭐
		A	2408:4009:501::33^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.39^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.59^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.199^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.219^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.39^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.59^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.99^{🇨🇳 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	139.224.142.109^{🇨🇳 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	`dns26.hichina.com`
		A	2408:4009:501::34^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.37^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.62^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.197^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.221^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.37^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.62^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.102^{🇨🇳 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	139.224.142.107^{🇨🇳 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,}
SOA	`dns25.hichina.com`hostmaster@hichina.com 2026-06-04 #13

`com.cn`

	DNSSEC	⚠️ Not signed
	NS	`a.dns.cn` ⭐ ⚠️ Not in parent delegation
	NS	`b.dns.cn` ⚠️ Not in parent delegation
	NS	`c.dns.cn` ⚠️ Not in parent delegation
	NS	`cns.cernet.net` ⚠️ Not in parent delegation
	NS	`d.dns.cn` ⚠️ Not in parent delegation
	NS	`e.dns.cn` ⚠️ Not in parent delegation
	SOA	`a.dns.cn`root@cnnic.cn serial=2030713614

WOT: NOT_SAFE (20/100)

Same first word

smartclass.cn

smartclass.eu

smartclass.in

smartclass.com.tr

smartclass.rw

smartclass.site

smartclass.com.cn

smartclass.it

smartclass.co.uk

smartclass.co

smartclass.fr

smartclass.cl

Similar names

mastrclass.com

classsmart.com

classmatrs.com

classsmart.org

DNS History

9 records (3 active, 6 former)

●NSdns25.hichina.com2020-03-12 → 2026-07-29 · 3 obs

○ 2017-01-02 18:35:08
● 2020-03-12 08:41:26
● 2026-07-29 04:02:08

●NSdns26.hichina.com2020-03-12 → 2026-07-29 · 3 obs

○ 2017-01-02 18:35:08
● 2020-03-12 08:41:26
● 2026-07-29 04:02:08

○NSwww.smartclass.com.cn2015-07-23 → 2017-01-02 · 4 obs

● 2015-07-23 01:02:16
● 2017-01-02 18:35:08
○ 2020-03-12 08:41:26
○ 2026-07-29 04:02:08

○MXio.bouncemx.com2015-11-30 → 2017-01-02 · 4 obs

● 2015-11-30 13:04:14
● 2017-01-02 18:35:08
○ 2020-03-12 08:41:26
○ 2026-07-29 04:02:08

●A114.215.19.1892020-03-12 → 2026-07-29 · 3 obs

○ 2017-01-02 18:35:08
● 2020-03-12 08:41:26
● 2026-07-29 04:02:08

○A70.39.84.2292017-01-02 → 2017-01-02 · 4 obs

○ 2016-04-18 02:59:26
● 2017-01-02 18:35:08
○ 2020-03-12 08:41:26
○ 2026-07-29 04:02:08

○A70.39.84.2342015-11-30 → 2015-11-30 · 4 obs

○ 2015-07-23 01:02:16
● 2015-11-30 13:04:14
○ 2016-04-18 02:59:26
○ 2026-07-29 04:02:08

○A70.39.84.2452015-07-23 → 2016-04-18 · 4 obs

● 2015-07-23 01:02:16
● 2016-04-18 02:59:26
○ 2017-01-02 18:35:08
○ 2026-07-29 04:02:08

○CNAMEs.dcoin.co2015-07-23 → 2017-01-02 · 4 obs

● 2015-07-23 01:02:16
● 2017-01-02 18:35:08
○ 2020-03-12 08:41:26
○ 2026-07-29 04:02:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn...	-
smartclass.com.cn	dns25.hichina.com, dns26.hichina.com	-

✅ Authoritative Response

Server:139.224.142.107

NS records: dns25.hichina.com, dns26.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for smartclass.com.cn (unsigned zone)

⏱️ Timing

Total: 4815ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`114.215.19.189`
NS	2	`dns25.hichina.com, dns26.hichina.com`
SOA	1	`dns25.hichina.com hostmaster.hichina.com`

Analysis

IP Addresses

smartclass.com.cn points to a single IP number: 114.215.19.189.

Name Servers

smartclass.com.cn uses two name servers for its delegation: dns25.hichina.com and dns26.hichina.com.

smartclass.com.cn shares its name server setup with other domains, including dqswgs.com.cn, kizking.com, yzgracehair.com and two others.

The name servers of smartclass.com.cn overlap at least partially with those of other domains — among them youmin.net, aatobb.com, chinaslot.com and two more.

These name servers commonly appear alongside the name servers ns1.alidns.com and ns2.alidns.com.

Host names with 9 IP numbers:

Hostname dns25.hichina.com directs to 39.96.153.39, 39.96.153.59 and 47.118.199.199 along with 6 other IP addresses.

Hostname dns26.hichina.com directs to 39.96.153.37, 39.96.153.62 and 47.118.199.197 along with 6 other IP addresses.