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 2026-01-12 #9

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 2035-06-11 #72

Same first word

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Similar names

calstrsifs.com
classfirst.com
fristclass.com
firtsclass.com
classfirst.in
classfirst.net

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
○ 2026-07-19 16:08:36
●NSdns10.hichina.com2017-01-14 → 2026-07-19 · 3 obs
○ 2016-06-07 08:00:08
● 2017-01-14 01:46:28
● 2026-07-19 16:08:36
●NSdns9.hichina.com2017-01-14 → 2026-07-19 · 3 obs
○ 2016-06-07 08:00:08
● 2017-01-14 01:46:28
● 2026-07-19 16:08:36
○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
○ 2026-07-19 16:08:36
○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
○ 2026-07-19 16:08:36
○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
○ 2026-07-19 16:08:36
●MXmxn.mxhichina.com2017-01-14 → 2026-07-19 · 3 obs
○ 2016-06-07 08:00:08
● 2017-01-14 01:46:28
● 2026-07-19 16:08:36
●MXmxw.mxhichina.com2017-01-14 → 2026-07-19 · 3 obs
○ 2016-06-07 08:00:08
● 2017-01-14 01:46:28
● 2026-07-19 16:08:36

🔍 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.

firstclass.cn partially shares its NS delegation with several other domains, including ncbakery.com, zaxq.com, zhuo-chang.com and two others.

These name servers are regularly seen alongside expirens3.hichina.com and expirens4.hichina.com as name servers.

Hostnames that resolve to 9 IP addresses:

dns10.hichina.com points to 39.96.153.41, 39.96.153.51, 47.118.199.201 and 6 other IP addresses.

dns9.hichina.com points to 39.96.153.42, 39.96.153.52, 47.118.199.202 and 6 other IP 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 remond.ltd, hubing-ai.com, 51babyplan.com and two more.

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

Hostnames that resolve to two IP addresses:

mxn.mxhichina.com resolves to 47.246.136.231 and 47.246.137.47.

Hosts with just one IP address:

mxw.mxhichina.com resolves to 47.246.99.195.