firstclass.cn - dns.ninja

firstclass.cn

DNSSEC⚠️ Not signed
NSdns9.hichina.com ⭐
A2408:4009:501::17🇨🇳 Alibaba-Cloud2408:4009:501::/48
A39.96.153.42🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC
A39.96.153.52🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC
A47.118.199.202🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.
A47.118.199.212🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.
A120.76.107.42🇨🇳 Alibaba-Cloud120.76.0.0/17
A120.76.107.52🇨🇳 Alibaba-Cloud120.76.0.0/17
A139.224.142.112🇨🇳 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,
A139.224.142.122🇨🇳 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,
NSdns10.hichina.com
A2408:4009:501::18🇨🇳 Alibaba-Cloud2408:4009:501::/48
A39.96.153.41🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC
A39.96.153.51🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC
A47.118.199.201🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.
A47.118.199.211🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.
A120.76.107.41🇨🇳 Alibaba-Cloud120.76.0.0/17
A120.76.107.51🇨🇳 Alibaba-Cloud120.76.0.0/17
A139.224.142.111🇨🇳 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,
A139.224.142.121🇨🇳 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,
MXmxn.mxhichina.com ⭐
A47.246.136.231🇺🇸 Alibaba-Cloud47.246.136.0/22 Alibaba CLoud
PTRcz-clare.com
PTRreachsmartdwell.com
PTRwevolt.tech
A47.246.137.47🇺🇸 Alibaba-Cloud47.246.136.0/22 Alibaba CLoud
MXmxw.mxhichina.com(10)
A47.246.99.195🇺🇸 Alibaba-Cloud47.246.96.0/22 Proxy-registered route object
PTRreachsmartdwell.com
TXTv=spf1 include:spf.mxhichina.com -all
SOAdns9.hichina.comhostmaster@hichina.com 2026-01-09 #13

cn

DNSSEC🔒 Signed (DS record present)
NSa.dns.cn ⭐
NSb.dns.cn
NSc.dns.cn
NSd.dns.cn
NSe.dns.cn
NSns.cernet.net ⚠️ Not in parent delegation
SOAa.dns.cnroot@cnnic.cn serial=2034877415

Same first word

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Similar names

calstrsifs.com
classfirst.com
firtsclass.com
classfirst.in

DNS History

8 records (4 active, 4 former)

20162017201820192020202120222023202420252026NSdns10.hichina.comdns9.hichina.comMXmxn.mxhichina.commxw.mxhichina.commx1.dns-diy.commx3.dns-diy.commx621.now.net.cn.firstclass.cn
○NS(root)2015-08-09 → 2016-06-07 · 4 obs
● 2015-08-09 13:24:30
● 2016-06-07 08:00:08
○ 2017-01-14 01:46:28
○ 2026-06-04 05:11:34
●NSdns10.hichina.com2017-01-14 → 2026-06-04 · 3 obs
○ 2016-06-07 08:00:08
● 2017-01-14 01:46:28
● 2026-06-04 05:11:34
●NSdns9.hichina.com2017-01-14 → 2026-06-04 · 3 obs
○ 2016-06-07 08:00:08
● 2017-01-14 01:46:28
● 2026-06-04 05:11:34
○MXmx1.dns-diy.com2015-08-09 → 2016-06-07 · 4 obs
● 2015-08-09 13:24:30
● 2016-06-07 08:00:08
○ 2017-01-14 01:46:28
○ 2026-06-04 05:11:34
○MXmx3.dns-diy.com2015-08-09 → 2016-06-07 · 4 obs
● 2015-08-09 13:24:30
● 2016-06-07 08:00:08
○ 2017-01-14 01:46:28
○ 2026-06-04 05:11:34
○MXmx621.now.net.cn.firstclass.cn2015-08-09 → 2016-06-07 · 4 obs
● 2015-08-09 13:24:30
● 2016-06-07 08:00:08
○ 2017-01-14 01:46:28
○ 2026-06-04 05:11:34
●MXmxn.mxhichina.com2017-01-14 → 2026-06-04 · 3 obs
○ 2016-06-07 08:00:08
● 2017-01-14 01:46:28
● 2026-06-04 05:11:34
●MXmxw.mxhichina.com2017-01-14 → 2026-06-04 · 3 obs
○ 2016-06-07 08:00:08
● 2017-01-14 01:46:28
● 2026-06-04 05:11:34

🔍 DNS Trace

Analysis

Name Servers

firstclass.cn has two authoritative name servers — dns10.hichina.com and dns9.hichina.com.

firstclass.cn uses the same name servers as several other domains — among them awinsz.com, yqybw.com, lnitveg.com and two more.

Some of firstclass.cn's name servers are also used by other domains, including ncbakery.com, zaxq.com, szlaikes.com and hardentools.com.

These name servers are regularly seen alongside ns1.alidns.com and ns2.alidns.com as name servers.

Hostnames that resolve to 9 IP addresses:

dns10.hichina.com resolves to 39.96.153.41, 39.96.153.51, 47.118.199.201 plus six other addresses.

dns9.hichina.com resolves to 39.96.153.42, 39.96.153.52, 47.118.199.202 plus six other addresses.

Mail Servers

Mail for firstclass.cn is handled by two mail servers — mxn.mxhichina.com and mxw.mxhichina.com.

firstclass.cn uses an identical mail server configuration to several other domains — among them hubing-ai.com, 51babyplan.com, chuan6.com and two more.

The MX records for firstclass.cn are at least partially shared with other domains, such as inkey.com, luoxun.com, kuercooler.com and leadcrete.com.

Hostnames that resolve to two IP addresses:

mxn.mxhichina.com resolves to 47.246.136.231 and 47.246.137.47.

Host names with one IP number:

mxw.mxhichina.com resolves to 47.246.99.195.